Tue, 24 Jul 2018 13:22:11 +0800
#7048 added Loongson release info to hs_err crash files
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "compiler/compileLog.hpp" |
brutisso@6904 | 27 | #include "gc_implementation/shared/gcId.hpp" |
aoqi@0 | 28 | #include "oops/oop.inline.hpp" |
aoqi@0 | 29 | #include "runtime/arguments.hpp" |
aoqi@0 | 30 | #include "utilities/defaultStream.hpp" |
aoqi@0 | 31 | #include "utilities/ostream.hpp" |
aoqi@0 | 32 | #include "utilities/top.hpp" |
aoqi@0 | 33 | #include "utilities/xmlstream.hpp" |
aoqi@0 | 34 | #ifdef TARGET_OS_FAMILY_linux |
aoqi@0 | 35 | # include "os_linux.inline.hpp" |
aoqi@0 | 36 | #endif |
aoqi@0 | 37 | #ifdef TARGET_OS_FAMILY_solaris |
aoqi@0 | 38 | # include "os_solaris.inline.hpp" |
aoqi@0 | 39 | #endif |
aoqi@0 | 40 | #ifdef TARGET_OS_FAMILY_windows |
aoqi@0 | 41 | # include "os_windows.inline.hpp" |
aoqi@0 | 42 | #endif |
aoqi@0 | 43 | #ifdef TARGET_OS_FAMILY_aix |
aoqi@0 | 44 | # include "os_aix.inline.hpp" |
aoqi@0 | 45 | #endif |
aoqi@0 | 46 | #ifdef TARGET_OS_FAMILY_bsd |
aoqi@0 | 47 | # include "os_bsd.inline.hpp" |
aoqi@0 | 48 | #endif |
aoqi@0 | 49 | |
aoqi@0 | 50 | extern "C" void jio_print(const char* s); // Declarationtion of jvm method |
aoqi@0 | 51 | |
aoqi@0 | 52 | outputStream::outputStream(int width) { |
aoqi@0 | 53 | _width = width; |
aoqi@0 | 54 | _position = 0; |
aoqi@0 | 55 | _newlines = 0; |
aoqi@0 | 56 | _precount = 0; |
aoqi@0 | 57 | _indentation = 0; |
aoqi@0 | 58 | } |
aoqi@0 | 59 | |
aoqi@0 | 60 | outputStream::outputStream(int width, bool has_time_stamps) { |
aoqi@0 | 61 | _width = width; |
aoqi@0 | 62 | _position = 0; |
aoqi@0 | 63 | _newlines = 0; |
aoqi@0 | 64 | _precount = 0; |
aoqi@0 | 65 | _indentation = 0; |
aoqi@0 | 66 | if (has_time_stamps) _stamp.update(); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | |
aoqi@0 | 69 | void outputStream::update_position(const char* s, size_t len) { |
aoqi@0 | 70 | for (size_t i = 0; i < len; i++) { |
aoqi@0 | 71 | char ch = s[i]; |
aoqi@0 | 72 | if (ch == '\n') { |
aoqi@0 | 73 | _newlines += 1; |
aoqi@0 | 74 | _precount += _position + 1; |
aoqi@0 | 75 | _position = 0; |
aoqi@0 | 76 | } else if (ch == '\t') { |
aoqi@0 | 77 | int tw = 8 - (_position & 7); |
aoqi@0 | 78 | _position += tw; |
aoqi@0 | 79 | _precount -= tw-1; // invariant: _precount + _position == total count |
aoqi@0 | 80 | } else { |
aoqi@0 | 81 | _position += 1; |
aoqi@0 | 82 | } |
aoqi@0 | 83 | } |
aoqi@0 | 84 | } |
aoqi@0 | 85 | |
aoqi@0 | 86 | // Execute a vsprintf, using the given buffer if necessary. |
aoqi@0 | 87 | // Return a pointer to the formatted string. |
aoqi@0 | 88 | const char* outputStream::do_vsnprintf(char* buffer, size_t buflen, |
aoqi@0 | 89 | const char* format, va_list ap, |
aoqi@0 | 90 | bool add_cr, |
aoqi@0 | 91 | size_t& result_len) { |
aoqi@0 | 92 | const char* result; |
aoqi@0 | 93 | if (add_cr) buflen--; |
aoqi@0 | 94 | if (!strchr(format, '%')) { |
aoqi@0 | 95 | // constant format string |
aoqi@0 | 96 | result = format; |
aoqi@0 | 97 | result_len = strlen(result); |
aoqi@0 | 98 | if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate |
aoqi@0 | 99 | } else if (format[0] == '%' && format[1] == 's' && format[2] == '\0') { |
aoqi@0 | 100 | // trivial copy-through format string |
aoqi@0 | 101 | result = va_arg(ap, const char*); |
aoqi@0 | 102 | result_len = strlen(result); |
aoqi@0 | 103 | if (add_cr && result_len >= buflen) result_len = buflen-1; // truncate |
aoqi@0 | 104 | } else if (vsnprintf(buffer, buflen, format, ap) >= 0) { |
aoqi@0 | 105 | result = buffer; |
aoqi@0 | 106 | result_len = strlen(result); |
aoqi@0 | 107 | } else { |
aoqi@0 | 108 | DEBUG_ONLY(warning("increase O_BUFLEN in ostream.hpp -- output truncated");) |
aoqi@0 | 109 | result = buffer; |
aoqi@0 | 110 | result_len = buflen - 1; |
aoqi@0 | 111 | buffer[result_len] = 0; |
aoqi@0 | 112 | } |
aoqi@0 | 113 | if (add_cr) { |
aoqi@0 | 114 | if (result != buffer) { |
aoqi@0 | 115 | strncpy(buffer, result, buflen); |
aoqi@0 | 116 | result = buffer; |
aoqi@0 | 117 | } |
aoqi@0 | 118 | buffer[result_len++] = '\n'; |
aoqi@0 | 119 | buffer[result_len] = 0; |
aoqi@0 | 120 | } |
aoqi@0 | 121 | return result; |
aoqi@0 | 122 | } |
aoqi@0 | 123 | |
aoqi@0 | 124 | void outputStream::print(const char* format, ...) { |
aoqi@0 | 125 | char buffer[O_BUFLEN]; |
aoqi@0 | 126 | va_list ap; |
aoqi@0 | 127 | va_start(ap, format); |
aoqi@0 | 128 | size_t len; |
aoqi@0 | 129 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, false, len); |
aoqi@0 | 130 | write(str, len); |
aoqi@0 | 131 | va_end(ap); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | |
aoqi@0 | 134 | void outputStream::print_cr(const char* format, ...) { |
aoqi@0 | 135 | char buffer[O_BUFLEN]; |
aoqi@0 | 136 | va_list ap; |
aoqi@0 | 137 | va_start(ap, format); |
aoqi@0 | 138 | size_t len; |
aoqi@0 | 139 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, ap, true, len); |
aoqi@0 | 140 | write(str, len); |
aoqi@0 | 141 | va_end(ap); |
aoqi@0 | 142 | } |
aoqi@0 | 143 | |
aoqi@0 | 144 | void outputStream::vprint(const char *format, va_list argptr) { |
aoqi@0 | 145 | char buffer[O_BUFLEN]; |
aoqi@0 | 146 | size_t len; |
aoqi@0 | 147 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, false, len); |
aoqi@0 | 148 | write(str, len); |
aoqi@0 | 149 | } |
aoqi@0 | 150 | |
aoqi@0 | 151 | void outputStream::vprint_cr(const char* format, va_list argptr) { |
aoqi@0 | 152 | char buffer[O_BUFLEN]; |
aoqi@0 | 153 | size_t len; |
aoqi@0 | 154 | const char* str = do_vsnprintf(buffer, O_BUFLEN, format, argptr, true, len); |
aoqi@0 | 155 | write(str, len); |
aoqi@0 | 156 | } |
aoqi@0 | 157 | |
aoqi@0 | 158 | void outputStream::fill_to(int col) { |
aoqi@0 | 159 | int need_fill = col - position(); |
aoqi@0 | 160 | sp(need_fill); |
aoqi@0 | 161 | } |
aoqi@0 | 162 | |
aoqi@0 | 163 | void outputStream::move_to(int col, int slop, int min_space) { |
aoqi@0 | 164 | if (position() >= col + slop) |
aoqi@0 | 165 | cr(); |
aoqi@0 | 166 | int need_fill = col - position(); |
aoqi@0 | 167 | if (need_fill < min_space) |
aoqi@0 | 168 | need_fill = min_space; |
aoqi@0 | 169 | sp(need_fill); |
aoqi@0 | 170 | } |
aoqi@0 | 171 | |
aoqi@0 | 172 | void outputStream::put(char ch) { |
aoqi@0 | 173 | assert(ch != 0, "please fix call site"); |
aoqi@0 | 174 | char buf[] = { ch, '\0' }; |
aoqi@0 | 175 | write(buf, 1); |
aoqi@0 | 176 | } |
aoqi@0 | 177 | |
aoqi@0 | 178 | #define SP_USE_TABS false |
aoqi@0 | 179 | |
aoqi@0 | 180 | void outputStream::sp(int count) { |
aoqi@0 | 181 | if (count < 0) return; |
aoqi@0 | 182 | if (SP_USE_TABS && count >= 8) { |
aoqi@0 | 183 | int target = position() + count; |
aoqi@0 | 184 | while (count >= 8) { |
aoqi@0 | 185 | this->write("\t", 1); |
aoqi@0 | 186 | count -= 8; |
aoqi@0 | 187 | } |
aoqi@0 | 188 | count = target - position(); |
aoqi@0 | 189 | } |
aoqi@0 | 190 | while (count > 0) { |
aoqi@0 | 191 | int nw = (count > 8) ? 8 : count; |
aoqi@0 | 192 | this->write(" ", nw); |
aoqi@0 | 193 | count -= nw; |
aoqi@0 | 194 | } |
aoqi@0 | 195 | } |
aoqi@0 | 196 | |
aoqi@0 | 197 | void outputStream::cr() { |
aoqi@0 | 198 | this->write("\n", 1); |
aoqi@0 | 199 | } |
aoqi@0 | 200 | |
aoqi@0 | 201 | void outputStream::stamp() { |
aoqi@0 | 202 | if (! _stamp.is_updated()) { |
aoqi@0 | 203 | _stamp.update(); // start at 0 on first call to stamp() |
aoqi@0 | 204 | } |
aoqi@0 | 205 | |
aoqi@0 | 206 | // outputStream::stamp() may get called by ostream_abort(), use snprintf |
aoqi@0 | 207 | // to avoid allocating large stack buffer in print(). |
aoqi@0 | 208 | char buf[40]; |
aoqi@0 | 209 | jio_snprintf(buf, sizeof(buf), "%.3f", _stamp.seconds()); |
aoqi@0 | 210 | print_raw(buf); |
aoqi@0 | 211 | } |
aoqi@0 | 212 | |
aoqi@0 | 213 | void outputStream::stamp(bool guard, |
aoqi@0 | 214 | const char* prefix, |
aoqi@0 | 215 | const char* suffix) { |
aoqi@0 | 216 | if (!guard) { |
aoqi@0 | 217 | return; |
aoqi@0 | 218 | } |
aoqi@0 | 219 | print_raw(prefix); |
aoqi@0 | 220 | stamp(); |
aoqi@0 | 221 | print_raw(suffix); |
aoqi@0 | 222 | } |
aoqi@0 | 223 | |
aoqi@0 | 224 | void outputStream::date_stamp(bool guard, |
aoqi@0 | 225 | const char* prefix, |
aoqi@0 | 226 | const char* suffix) { |
aoqi@0 | 227 | if (!guard) { |
aoqi@0 | 228 | return; |
aoqi@0 | 229 | } |
aoqi@0 | 230 | print_raw(prefix); |
aoqi@0 | 231 | static const char error_time[] = "yyyy-mm-ddThh:mm:ss.mmm+zzzz"; |
aoqi@0 | 232 | static const int buffer_length = 32; |
aoqi@0 | 233 | char buffer[buffer_length]; |
aoqi@0 | 234 | const char* iso8601_result = os::iso8601_time(buffer, buffer_length); |
aoqi@0 | 235 | if (iso8601_result != NULL) { |
aoqi@0 | 236 | print_raw(buffer); |
aoqi@0 | 237 | } else { |
aoqi@0 | 238 | print_raw(error_time); |
aoqi@0 | 239 | } |
aoqi@0 | 240 | print_raw(suffix); |
aoqi@0 | 241 | return; |
aoqi@0 | 242 | } |
aoqi@0 | 243 | |
brutisso@6904 | 244 | void outputStream::gclog_stamp(const GCId& gc_id) { |
brutisso@6904 | 245 | date_stamp(PrintGCDateStamps); |
brutisso@6904 | 246 | stamp(PrintGCTimeStamps); |
brutisso@6904 | 247 | if (PrintGCID) { |
brutisso@6904 | 248 | print("#%u: ", gc_id.id()); |
brutisso@6904 | 249 | } |
brutisso@6904 | 250 | } |
brutisso@6904 | 251 | |
aoqi@0 | 252 | outputStream& outputStream::indent() { |
aoqi@0 | 253 | while (_position < _indentation) sp(); |
aoqi@0 | 254 | return *this; |
aoqi@0 | 255 | } |
aoqi@0 | 256 | |
aoqi@0 | 257 | void outputStream::print_jlong(jlong value) { |
aoqi@0 | 258 | print(JLONG_FORMAT, value); |
aoqi@0 | 259 | } |
aoqi@0 | 260 | |
aoqi@0 | 261 | void outputStream::print_julong(julong value) { |
aoqi@0 | 262 | print(JULONG_FORMAT, value); |
aoqi@0 | 263 | } |
aoqi@0 | 264 | |
aoqi@0 | 265 | /** |
aoqi@0 | 266 | * This prints out hex data in a 'windbg' or 'xxd' form, where each line is: |
aoqi@0 | 267 | * <hex-address>: 8 * <hex-halfword> <ascii translation (optional)> |
aoqi@0 | 268 | * example: |
aoqi@0 | 269 | * 0000000: 7f44 4f46 0102 0102 0000 0000 0000 0000 .DOF............ |
aoqi@0 | 270 | * 0000010: 0000 0000 0000 0040 0000 0020 0000 0005 .......@... .... |
aoqi@0 | 271 | * 0000020: 0000 0000 0000 0040 0000 0000 0000 015d .......@.......] |
aoqi@0 | 272 | * ... |
aoqi@0 | 273 | * |
aoqi@0 | 274 | * indent is applied to each line. Ends with a CR. |
aoqi@0 | 275 | */ |
aoqi@0 | 276 | void outputStream::print_data(void* data, size_t len, bool with_ascii) { |
aoqi@0 | 277 | size_t limit = (len + 16) / 16 * 16; |
aoqi@0 | 278 | for (size_t i = 0; i < limit; ++i) { |
aoqi@0 | 279 | if (i % 16 == 0) { |
aoqi@0 | 280 | indent().print(SIZE_FORMAT_HEX_W(07)":", i); |
aoqi@0 | 281 | } |
aoqi@0 | 282 | if (i % 2 == 0) { |
aoqi@0 | 283 | print(" "); |
aoqi@0 | 284 | } |
aoqi@0 | 285 | if (i < len) { |
aoqi@0 | 286 | print("%02x", ((unsigned char*)data)[i]); |
aoqi@0 | 287 | } else { |
aoqi@0 | 288 | print(" "); |
aoqi@0 | 289 | } |
aoqi@0 | 290 | if ((i + 1) % 16 == 0) { |
aoqi@0 | 291 | if (with_ascii) { |
aoqi@0 | 292 | print(" "); |
aoqi@0 | 293 | for (size_t j = 0; j < 16; ++j) { |
aoqi@0 | 294 | size_t idx = i + j - 15; |
aoqi@0 | 295 | if (idx < len) { |
aoqi@0 | 296 | char c = ((char*)data)[idx]; |
aoqi@0 | 297 | print("%c", c >= 32 && c <= 126 ? c : '.'); |
aoqi@0 | 298 | } |
aoqi@0 | 299 | } |
aoqi@0 | 300 | } |
aoqi@0 | 301 | cr(); |
aoqi@0 | 302 | } |
aoqi@0 | 303 | } |
aoqi@0 | 304 | } |
aoqi@0 | 305 | |
aoqi@0 | 306 | stringStream::stringStream(size_t initial_size) : outputStream() { |
aoqi@0 | 307 | buffer_length = initial_size; |
aoqi@0 | 308 | buffer = NEW_RESOURCE_ARRAY(char, buffer_length); |
aoqi@0 | 309 | buffer_pos = 0; |
aoqi@0 | 310 | buffer_fixed = false; |
aoqi@0 | 311 | DEBUG_ONLY(rm = Thread::current()->current_resource_mark();) |
aoqi@0 | 312 | } |
aoqi@0 | 313 | |
aoqi@0 | 314 | // useful for output to fixed chunks of memory, such as performance counters |
aoqi@0 | 315 | stringStream::stringStream(char* fixed_buffer, size_t fixed_buffer_size) : outputStream() { |
aoqi@0 | 316 | buffer_length = fixed_buffer_size; |
aoqi@0 | 317 | buffer = fixed_buffer; |
aoqi@0 | 318 | buffer_pos = 0; |
aoqi@0 | 319 | buffer_fixed = true; |
aoqi@0 | 320 | } |
aoqi@0 | 321 | |
aoqi@0 | 322 | void stringStream::write(const char* s, size_t len) { |
aoqi@0 | 323 | size_t write_len = len; // number of non-null bytes to write |
aoqi@0 | 324 | size_t end = buffer_pos + len + 1; // position after write and final '\0' |
aoqi@0 | 325 | if (end > buffer_length) { |
aoqi@0 | 326 | if (buffer_fixed) { |
aoqi@0 | 327 | // if buffer cannot resize, silently truncate |
aoqi@0 | 328 | end = buffer_length; |
aoqi@0 | 329 | write_len = end - buffer_pos - 1; // leave room for the final '\0' |
aoqi@0 | 330 | } else { |
aoqi@0 | 331 | // For small overruns, double the buffer. For larger ones, |
aoqi@0 | 332 | // increase to the requested size. |
aoqi@0 | 333 | if (end < buffer_length * 2) { |
aoqi@0 | 334 | end = buffer_length * 2; |
aoqi@0 | 335 | } |
aoqi@0 | 336 | char* oldbuf = buffer; |
aoqi@0 | 337 | assert(rm == NULL || Thread::current()->current_resource_mark() == rm, |
aoqi@0 | 338 | "stringStream is re-allocated with a different ResourceMark"); |
aoqi@0 | 339 | buffer = NEW_RESOURCE_ARRAY(char, end); |
aoqi@0 | 340 | strncpy(buffer, oldbuf, buffer_pos); |
aoqi@0 | 341 | buffer_length = end; |
aoqi@0 | 342 | } |
aoqi@0 | 343 | } |
aoqi@0 | 344 | // invariant: buffer is always null-terminated |
aoqi@0 | 345 | guarantee(buffer_pos + write_len + 1 <= buffer_length, "stringStream oob"); |
aoqi@0 | 346 | buffer[buffer_pos + write_len] = 0; |
aoqi@0 | 347 | strncpy(buffer + buffer_pos, s, write_len); |
aoqi@0 | 348 | buffer_pos += write_len; |
aoqi@0 | 349 | |
aoqi@0 | 350 | // Note that the following does not depend on write_len. |
aoqi@0 | 351 | // This means that position and count get updated |
aoqi@0 | 352 | // even when overflow occurs. |
aoqi@0 | 353 | update_position(s, len); |
aoqi@0 | 354 | } |
aoqi@0 | 355 | |
aoqi@0 | 356 | char* stringStream::as_string() { |
aoqi@0 | 357 | char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos + 1); |
aoqi@0 | 358 | strncpy(copy, buffer, buffer_pos); |
aoqi@0 | 359 | copy[buffer_pos] = 0; // terminating null |
aoqi@0 | 360 | return copy; |
aoqi@0 | 361 | } |
aoqi@0 | 362 | |
aoqi@0 | 363 | stringStream::~stringStream() {} |
aoqi@0 | 364 | |
aoqi@0 | 365 | xmlStream* xtty; |
aoqi@0 | 366 | outputStream* tty; |
aoqi@0 | 367 | outputStream* gclog_or_tty; |
iklam@7089 | 368 | CDS_ONLY(fileStream* classlist_file;) // Only dump the classes that can be stored into the CDS archive |
aoqi@0 | 369 | extern Mutex* tty_lock; |
aoqi@0 | 370 | |
aoqi@0 | 371 | #define EXTRACHARLEN 32 |
aoqi@0 | 372 | #define CURRENTAPPX ".current" |
aoqi@0 | 373 | // convert YYYY-MM-DD HH:MM:SS to YYYY-MM-DD_HH-MM-SS |
aoqi@0 | 374 | char* get_datetime_string(char *buf, size_t len) { |
aoqi@0 | 375 | os::local_time_string(buf, len); |
aoqi@0 | 376 | int i = (int)strlen(buf); |
aoqi@0 | 377 | while (i-- >= 0) { |
aoqi@0 | 378 | if (buf[i] == ' ') buf[i] = '_'; |
aoqi@0 | 379 | else if (buf[i] == ':') buf[i] = '-'; |
aoqi@0 | 380 | } |
aoqi@0 | 381 | return buf; |
aoqi@0 | 382 | } |
aoqi@0 | 383 | |
aoqi@0 | 384 | static const char* make_log_name_internal(const char* log_name, const char* force_directory, |
aoqi@0 | 385 | int pid, const char* tms) { |
aoqi@0 | 386 | const char* basename = log_name; |
aoqi@0 | 387 | char file_sep = os::file_separator()[0]; |
aoqi@0 | 388 | const char* cp; |
aoqi@0 | 389 | char pid_text[32]; |
aoqi@0 | 390 | |
aoqi@0 | 391 | for (cp = log_name; *cp != '\0'; cp++) { |
aoqi@0 | 392 | if (*cp == '/' || *cp == file_sep) { |
aoqi@0 | 393 | basename = cp + 1; |
aoqi@0 | 394 | } |
aoqi@0 | 395 | } |
aoqi@0 | 396 | const char* nametail = log_name; |
aoqi@0 | 397 | // Compute buffer length |
aoqi@0 | 398 | size_t buffer_length; |
aoqi@0 | 399 | if (force_directory != NULL) { |
aoqi@0 | 400 | buffer_length = strlen(force_directory) + strlen(os::file_separator()) + |
aoqi@0 | 401 | strlen(basename) + 1; |
aoqi@0 | 402 | } else { |
aoqi@0 | 403 | buffer_length = strlen(log_name) + 1; |
aoqi@0 | 404 | } |
aoqi@0 | 405 | |
aoqi@0 | 406 | const char* pts = strstr(basename, "%p"); |
aoqi@0 | 407 | int pid_pos = (pts == NULL) ? -1 : (pts - nametail); |
aoqi@0 | 408 | |
aoqi@0 | 409 | if (pid_pos >= 0) { |
aoqi@0 | 410 | jio_snprintf(pid_text, sizeof(pid_text), "pid%u", pid); |
aoqi@0 | 411 | buffer_length += strlen(pid_text); |
aoqi@0 | 412 | } |
aoqi@0 | 413 | |
aoqi@0 | 414 | pts = strstr(basename, "%t"); |
aoqi@0 | 415 | int tms_pos = (pts == NULL) ? -1 : (pts - nametail); |
aoqi@0 | 416 | if (tms_pos >= 0) { |
aoqi@0 | 417 | buffer_length += strlen(tms); |
aoqi@0 | 418 | } |
aoqi@0 | 419 | |
brutisso@7448 | 420 | // File name is too long. |
brutisso@7448 | 421 | if (buffer_length > JVM_MAXPATHLEN) { |
brutisso@7448 | 422 | return NULL; |
brutisso@7448 | 423 | } |
brutisso@7448 | 424 | |
aoqi@0 | 425 | // Create big enough buffer. |
aoqi@0 | 426 | char *buf = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
aoqi@0 | 427 | |
aoqi@0 | 428 | strcpy(buf, ""); |
aoqi@0 | 429 | if (force_directory != NULL) { |
aoqi@0 | 430 | strcat(buf, force_directory); |
aoqi@0 | 431 | strcat(buf, os::file_separator()); |
aoqi@0 | 432 | nametail = basename; // completely skip directory prefix |
aoqi@0 | 433 | } |
aoqi@0 | 434 | |
aoqi@0 | 435 | // who is first, %p or %t? |
aoqi@0 | 436 | int first = -1, second = -1; |
aoqi@0 | 437 | const char *p1st = NULL; |
aoqi@0 | 438 | const char *p2nd = NULL; |
aoqi@0 | 439 | |
aoqi@0 | 440 | if (pid_pos >= 0 && tms_pos >= 0) { |
aoqi@0 | 441 | // contains both %p and %t |
aoqi@0 | 442 | if (pid_pos < tms_pos) { |
aoqi@0 | 443 | // case foo%pbar%tmonkey.log |
aoqi@0 | 444 | first = pid_pos; |
aoqi@0 | 445 | p1st = pid_text; |
aoqi@0 | 446 | second = tms_pos; |
aoqi@0 | 447 | p2nd = tms; |
aoqi@0 | 448 | } else { |
aoqi@0 | 449 | // case foo%tbar%pmonkey.log |
aoqi@0 | 450 | first = tms_pos; |
aoqi@0 | 451 | p1st = tms; |
aoqi@0 | 452 | second = pid_pos; |
aoqi@0 | 453 | p2nd = pid_text; |
aoqi@0 | 454 | } |
aoqi@0 | 455 | } else if (pid_pos >= 0) { |
aoqi@0 | 456 | // contains %p only |
aoqi@0 | 457 | first = pid_pos; |
aoqi@0 | 458 | p1st = pid_text; |
aoqi@0 | 459 | } else if (tms_pos >= 0) { |
aoqi@0 | 460 | // contains %t only |
aoqi@0 | 461 | first = tms_pos; |
aoqi@0 | 462 | p1st = tms; |
aoqi@0 | 463 | } |
aoqi@0 | 464 | |
aoqi@0 | 465 | int buf_pos = (int)strlen(buf); |
aoqi@0 | 466 | const char* tail = nametail; |
aoqi@0 | 467 | |
aoqi@0 | 468 | if (first >= 0) { |
aoqi@0 | 469 | tail = nametail + first + 2; |
aoqi@0 | 470 | strncpy(&buf[buf_pos], nametail, first); |
aoqi@0 | 471 | strcpy(&buf[buf_pos + first], p1st); |
aoqi@0 | 472 | buf_pos = (int)strlen(buf); |
aoqi@0 | 473 | if (second >= 0) { |
aoqi@0 | 474 | strncpy(&buf[buf_pos], tail, second - first - 2); |
aoqi@0 | 475 | strcpy(&buf[buf_pos + second - first - 2], p2nd); |
aoqi@0 | 476 | tail = nametail + second + 2; |
aoqi@0 | 477 | } |
aoqi@0 | 478 | } |
aoqi@0 | 479 | strcat(buf, tail); // append rest of name, or all of name |
aoqi@0 | 480 | return buf; |
aoqi@0 | 481 | } |
aoqi@0 | 482 | |
iklam@7089 | 483 | // log_name comes from -XX:LogFile=log_name, -Xloggc:log_name or |
iklam@7089 | 484 | // -XX:DumpLoadedClassList=<file_name> |
aoqi@0 | 485 | // in log_name, %p => pid1234 and |
aoqi@0 | 486 | // %t => YYYY-MM-DD_HH-MM-SS |
aoqi@0 | 487 | static const char* make_log_name(const char* log_name, const char* force_directory) { |
aoqi@0 | 488 | char timestr[32]; |
aoqi@0 | 489 | get_datetime_string(timestr, sizeof(timestr)); |
aoqi@0 | 490 | return make_log_name_internal(log_name, force_directory, os::current_process_id(), |
aoqi@0 | 491 | timestr); |
aoqi@0 | 492 | } |
aoqi@0 | 493 | |
aoqi@0 | 494 | #ifndef PRODUCT |
aoqi@0 | 495 | void test_loggc_filename() { |
aoqi@0 | 496 | int pid; |
aoqi@0 | 497 | char tms[32]; |
brutisso@7448 | 498 | char i_result[JVM_MAXPATHLEN]; |
aoqi@0 | 499 | const char* o_result; |
aoqi@0 | 500 | get_datetime_string(tms, sizeof(tms)); |
aoqi@0 | 501 | pid = os::current_process_id(); |
aoqi@0 | 502 | |
aoqi@0 | 503 | // test.log |
brutisso@7448 | 504 | jio_snprintf(i_result, JVM_MAXPATHLEN, "test.log", tms); |
aoqi@0 | 505 | o_result = make_log_name_internal("test.log", NULL, pid, tms); |
aoqi@0 | 506 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test.log\", NULL)"); |
aoqi@0 | 507 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
aoqi@0 | 508 | |
aoqi@0 | 509 | // test-%t-%p.log |
brutisso@7448 | 510 | jio_snprintf(i_result, JVM_MAXPATHLEN, "test-%s-pid%u.log", tms, pid); |
aoqi@0 | 511 | o_result = make_log_name_internal("test-%t-%p.log", NULL, pid, tms); |
aoqi@0 | 512 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t-%%p.log\", NULL)"); |
aoqi@0 | 513 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
aoqi@0 | 514 | |
aoqi@0 | 515 | // test-%t%p.log |
brutisso@7448 | 516 | jio_snprintf(i_result, JVM_MAXPATHLEN, "test-%spid%u.log", tms, pid); |
aoqi@0 | 517 | o_result = make_log_name_internal("test-%t%p.log", NULL, pid, tms); |
aoqi@0 | 518 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"test-%%t%%p.log\", NULL)"); |
aoqi@0 | 519 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
aoqi@0 | 520 | |
aoqi@0 | 521 | // %p%t.log |
brutisso@7448 | 522 | jio_snprintf(i_result, JVM_MAXPATHLEN, "pid%u%s.log", pid, tms); |
aoqi@0 | 523 | o_result = make_log_name_internal("%p%t.log", NULL, pid, tms); |
aoqi@0 | 524 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p%%t.log\", NULL)"); |
aoqi@0 | 525 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
aoqi@0 | 526 | |
aoqi@0 | 527 | // %p-test.log |
brutisso@7448 | 528 | jio_snprintf(i_result, JVM_MAXPATHLEN, "pid%u-test.log", pid); |
aoqi@0 | 529 | o_result = make_log_name_internal("%p-test.log", NULL, pid, tms); |
aoqi@0 | 530 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%p-test.log\", NULL)"); |
aoqi@0 | 531 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
aoqi@0 | 532 | |
aoqi@0 | 533 | // %t.log |
brutisso@7448 | 534 | jio_snprintf(i_result, JVM_MAXPATHLEN, "%s.log", tms); |
aoqi@0 | 535 | o_result = make_log_name_internal("%t.log", NULL, pid, tms); |
aoqi@0 | 536 | assert(strcmp(i_result, o_result) == 0, "failed on testing make_log_name(\"%%t.log\", NULL)"); |
aoqi@0 | 537 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
brutisso@7448 | 538 | |
brutisso@7448 | 539 | { |
brutisso@7448 | 540 | // longest filename |
brutisso@7448 | 541 | char longest_name[JVM_MAXPATHLEN]; |
brutisso@7448 | 542 | memset(longest_name, 'a', sizeof(longest_name)); |
brutisso@7448 | 543 | longest_name[JVM_MAXPATHLEN - 1] = '\0'; |
brutisso@7448 | 544 | o_result = make_log_name_internal((const char*)&longest_name, NULL, pid, tms); |
brutisso@7448 | 545 | assert(strcmp(longest_name, o_result) == 0, err_msg("longest name does not match. expected '%s' but got '%s'", longest_name, o_result)); |
brutisso@7448 | 546 | FREE_C_HEAP_ARRAY(char, o_result, mtInternal); |
brutisso@7448 | 547 | } |
brutisso@7448 | 548 | |
brutisso@7448 | 549 | { |
brutisso@7448 | 550 | // too long file name |
brutisso@7448 | 551 | char too_long_name[JVM_MAXPATHLEN + 100]; |
brutisso@7448 | 552 | int too_long_length = sizeof(too_long_name); |
brutisso@7448 | 553 | memset(too_long_name, 'a', too_long_length); |
brutisso@7448 | 554 | too_long_name[too_long_length - 1] = '\0'; |
brutisso@7448 | 555 | o_result = make_log_name_internal((const char*)&too_long_name, NULL, pid, tms); |
brutisso@7448 | 556 | assert(o_result == NULL, err_msg("Too long file name should return NULL, but got '%s'", o_result)); |
brutisso@7448 | 557 | } |
brutisso@7448 | 558 | |
brutisso@7448 | 559 | { |
brutisso@7448 | 560 | // too long with timestamp |
brutisso@7448 | 561 | char longest_name[JVM_MAXPATHLEN]; |
brutisso@7448 | 562 | memset(longest_name, 'a', JVM_MAXPATHLEN); |
brutisso@7448 | 563 | longest_name[JVM_MAXPATHLEN - 3] = '%'; |
brutisso@7448 | 564 | longest_name[JVM_MAXPATHLEN - 2] = 't'; |
brutisso@7448 | 565 | longest_name[JVM_MAXPATHLEN - 1] = '\0'; |
brutisso@7448 | 566 | o_result = make_log_name_internal((const char*)&longest_name, NULL, pid, tms); |
brutisso@7448 | 567 | assert(o_result == NULL, err_msg("Too long file name after timestamp expansion should return NULL, but got '%s'", o_result)); |
brutisso@7448 | 568 | } |
brutisso@7448 | 569 | |
brutisso@7448 | 570 | { |
brutisso@7448 | 571 | // too long with pid |
brutisso@7448 | 572 | char longest_name[JVM_MAXPATHLEN]; |
brutisso@7448 | 573 | memset(longest_name, 'a', JVM_MAXPATHLEN); |
brutisso@7448 | 574 | longest_name[JVM_MAXPATHLEN - 3] = '%'; |
brutisso@7448 | 575 | longest_name[JVM_MAXPATHLEN - 2] = 'p'; |
brutisso@7448 | 576 | longest_name[JVM_MAXPATHLEN - 1] = '\0'; |
brutisso@7448 | 577 | o_result = make_log_name_internal((const char*)&longest_name, NULL, pid, tms); |
brutisso@7448 | 578 | assert(o_result == NULL, err_msg("Too long file name after pid expansion should return NULL, but got '%s'", o_result)); |
brutisso@7448 | 579 | } |
aoqi@0 | 580 | } |
aoqi@0 | 581 | #endif // PRODUCT |
aoqi@0 | 582 | |
aoqi@0 | 583 | fileStream::fileStream(const char* file_name) { |
aoqi@0 | 584 | _file = fopen(file_name, "w"); |
aoqi@0 | 585 | if (_file != NULL) { |
aoqi@0 | 586 | _need_close = true; |
aoqi@0 | 587 | } else { |
aoqi@0 | 588 | warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); |
aoqi@0 | 589 | _need_close = false; |
aoqi@0 | 590 | } |
aoqi@0 | 591 | } |
aoqi@0 | 592 | |
aoqi@0 | 593 | fileStream::fileStream(const char* file_name, const char* opentype) { |
aoqi@0 | 594 | _file = fopen(file_name, opentype); |
aoqi@0 | 595 | if (_file != NULL) { |
aoqi@0 | 596 | _need_close = true; |
aoqi@0 | 597 | } else { |
aoqi@0 | 598 | warning("Cannot open file %s due to %s\n", file_name, strerror(errno)); |
aoqi@0 | 599 | _need_close = false; |
aoqi@0 | 600 | } |
aoqi@0 | 601 | } |
aoqi@0 | 602 | |
aoqi@0 | 603 | void fileStream::write(const char* s, size_t len) { |
aoqi@0 | 604 | if (_file != NULL) { |
aoqi@0 | 605 | // Make an unused local variable to avoid warning from gcc 4.x compiler. |
aoqi@0 | 606 | size_t count = fwrite(s, 1, len, _file); |
aoqi@0 | 607 | } |
aoqi@0 | 608 | update_position(s, len); |
aoqi@0 | 609 | } |
aoqi@0 | 610 | |
aoqi@0 | 611 | long fileStream::fileSize() { |
aoqi@0 | 612 | long size = -1; |
aoqi@0 | 613 | if (_file != NULL) { |
aoqi@0 | 614 | long pos = ::ftell(_file); |
aoqi@0 | 615 | if (::fseek(_file, 0, SEEK_END) == 0) { |
aoqi@0 | 616 | size = ::ftell(_file); |
aoqi@0 | 617 | } |
aoqi@0 | 618 | ::fseek(_file, pos, SEEK_SET); |
aoqi@0 | 619 | } |
aoqi@0 | 620 | return size; |
aoqi@0 | 621 | } |
aoqi@0 | 622 | |
aoqi@0 | 623 | char* fileStream::readln(char *data, int count ) { |
aoqi@0 | 624 | char * ret = ::fgets(data, count, _file); |
aoqi@0 | 625 | //Get rid of annoying \n char |
aoqi@0 | 626 | data[::strlen(data)-1] = '\0'; |
aoqi@0 | 627 | return ret; |
aoqi@0 | 628 | } |
aoqi@0 | 629 | |
aoqi@0 | 630 | fileStream::~fileStream() { |
aoqi@0 | 631 | if (_file != NULL) { |
aoqi@0 | 632 | if (_need_close) fclose(_file); |
aoqi@0 | 633 | _file = NULL; |
aoqi@0 | 634 | } |
aoqi@0 | 635 | } |
aoqi@0 | 636 | |
aoqi@0 | 637 | void fileStream::flush() { |
aoqi@0 | 638 | fflush(_file); |
aoqi@0 | 639 | } |
aoqi@0 | 640 | |
aoqi@0 | 641 | fdStream::fdStream(const char* file_name) { |
aoqi@0 | 642 | _fd = open(file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); |
aoqi@0 | 643 | _need_close = true; |
aoqi@0 | 644 | } |
aoqi@0 | 645 | |
aoqi@0 | 646 | fdStream::~fdStream() { |
aoqi@0 | 647 | if (_fd != -1) { |
aoqi@0 | 648 | if (_need_close) close(_fd); |
aoqi@0 | 649 | _fd = -1; |
aoqi@0 | 650 | } |
aoqi@0 | 651 | } |
aoqi@0 | 652 | |
aoqi@0 | 653 | void fdStream::write(const char* s, size_t len) { |
aoqi@0 | 654 | if (_fd != -1) { |
aoqi@0 | 655 | // Make an unused local variable to avoid warning from gcc 4.x compiler. |
aoqi@0 | 656 | size_t count = ::write(_fd, s, (int)len); |
aoqi@0 | 657 | } |
aoqi@0 | 658 | update_position(s, len); |
aoqi@0 | 659 | } |
aoqi@0 | 660 | |
aoqi@0 | 661 | // dump vm version, os version, platform info, build id, |
aoqi@0 | 662 | // memory usage and command line flags into header |
aoqi@0 | 663 | void gcLogFileStream::dump_loggc_header() { |
aoqi@0 | 664 | if (is_open()) { |
aoqi@0 | 665 | print_cr("%s", Abstract_VM_Version::internal_vm_info_string()); |
aoqi@0 | 666 | os::print_memory_info(this); |
aoqi@0 | 667 | print("CommandLine flags: "); |
aoqi@0 | 668 | CommandLineFlags::printSetFlags(this); |
aoqi@0 | 669 | } |
aoqi@0 | 670 | } |
aoqi@0 | 671 | |
aoqi@0 | 672 | gcLogFileStream::~gcLogFileStream() { |
aoqi@0 | 673 | if (_file != NULL) { |
aoqi@0 | 674 | if (_need_close) fclose(_file); |
aoqi@0 | 675 | _file = NULL; |
aoqi@0 | 676 | } |
aoqi@0 | 677 | if (_file_name != NULL) { |
aoqi@0 | 678 | FREE_C_HEAP_ARRAY(char, _file_name, mtInternal); |
aoqi@0 | 679 | _file_name = NULL; |
aoqi@0 | 680 | } |
aoqi@0 | 681 | } |
aoqi@0 | 682 | |
aoqi@0 | 683 | gcLogFileStream::gcLogFileStream(const char* file_name) { |
aoqi@0 | 684 | _cur_file_num = 0; |
aoqi@0 | 685 | _bytes_written = 0L; |
aoqi@0 | 686 | _file_name = make_log_name(file_name, NULL); |
aoqi@0 | 687 | |
brutisso@7448 | 688 | if (_file_name == NULL) { |
brutisso@7448 | 689 | warning("Cannot open file %s: file name is too long.\n", file_name); |
brutisso@7448 | 690 | _need_close = false; |
brutisso@7448 | 691 | UseGCLogFileRotation = false; |
brutisso@7448 | 692 | return; |
brutisso@7448 | 693 | } |
brutisso@7448 | 694 | |
aoqi@0 | 695 | // gc log file rotation |
aoqi@0 | 696 | if (UseGCLogFileRotation && NumberOfGCLogFiles > 1) { |
brutisso@7448 | 697 | char tempbuf[JVM_MAXPATHLEN]; |
aoqi@0 | 698 | jio_snprintf(tempbuf, sizeof(tempbuf), "%s.%d" CURRENTAPPX, _file_name, _cur_file_num); |
aoqi@0 | 699 | _file = fopen(tempbuf, "w"); |
aoqi@0 | 700 | } else { |
aoqi@0 | 701 | _file = fopen(_file_name, "w"); |
aoqi@0 | 702 | } |
aoqi@0 | 703 | if (_file != NULL) { |
aoqi@0 | 704 | _need_close = true; |
aoqi@0 | 705 | dump_loggc_header(); |
aoqi@0 | 706 | } else { |
aoqi@0 | 707 | warning("Cannot open file %s due to %s\n", _file_name, strerror(errno)); |
aoqi@0 | 708 | _need_close = false; |
aoqi@0 | 709 | } |
aoqi@0 | 710 | } |
aoqi@0 | 711 | |
aoqi@0 | 712 | void gcLogFileStream::write(const char* s, size_t len) { |
aoqi@0 | 713 | if (_file != NULL) { |
aoqi@0 | 714 | size_t count = fwrite(s, 1, len, _file); |
aoqi@0 | 715 | _bytes_written += count; |
aoqi@0 | 716 | } |
aoqi@0 | 717 | update_position(s, len); |
aoqi@0 | 718 | } |
aoqi@0 | 719 | |
aoqi@0 | 720 | // rotate_log must be called from VMThread at safepoint. In case need change parameters |
aoqi@0 | 721 | // for gc log rotation from thread other than VMThread, a sub type of VM_Operation |
aoqi@0 | 722 | // should be created and be submitted to VMThread's operation queue. DO NOT call this |
aoqi@0 | 723 | // function directly. Currently, it is safe to rotate log at safepoint through VMThread. |
aoqi@0 | 724 | // That is, no mutator threads and concurrent GC threads run parallel with VMThread to |
aoqi@0 | 725 | // write to gc log file at safepoint. If in future, changes made for mutator threads or |
aoqi@0 | 726 | // concurrent GC threads to run parallel with VMThread at safepoint, write and rotate_log |
aoqi@0 | 727 | // must be synchronized. |
aoqi@0 | 728 | void gcLogFileStream::rotate_log(bool force, outputStream* out) { |
brutisso@7448 | 729 | char time_msg[O_BUFLEN]; |
aoqi@0 | 730 | char time_str[EXTRACHARLEN]; |
brutisso@7448 | 731 | char current_file_name[JVM_MAXPATHLEN]; |
brutisso@7448 | 732 | char renamed_file_name[JVM_MAXPATHLEN]; |
aoqi@0 | 733 | |
aoqi@0 | 734 | if (!should_rotate(force)) { |
aoqi@0 | 735 | return; |
aoqi@0 | 736 | } |
aoqi@0 | 737 | |
aoqi@0 | 738 | #ifdef ASSERT |
aoqi@0 | 739 | Thread *thread = Thread::current(); |
aoqi@0 | 740 | assert(thread == NULL || |
aoqi@0 | 741 | (thread->is_VM_thread() && SafepointSynchronize::is_at_safepoint()), |
aoqi@0 | 742 | "Must be VMThread at safepoint"); |
aoqi@0 | 743 | #endif |
aoqi@0 | 744 | if (NumberOfGCLogFiles == 1) { |
aoqi@0 | 745 | // rotate in same file |
aoqi@0 | 746 | rewind(); |
aoqi@0 | 747 | _bytes_written = 0L; |
aoqi@0 | 748 | jio_snprintf(time_msg, sizeof(time_msg), "File %s rotated at %s\n", |
aoqi@0 | 749 | _file_name, os::local_time_string((char *)time_str, sizeof(time_str))); |
aoqi@0 | 750 | write(time_msg, strlen(time_msg)); |
aoqi@0 | 751 | |
aoqi@0 | 752 | if (out != NULL) { |
aoqi@0 | 753 | out->print("%s", time_msg); |
aoqi@0 | 754 | } |
aoqi@0 | 755 | |
aoqi@0 | 756 | dump_loggc_header(); |
aoqi@0 | 757 | return; |
aoqi@0 | 758 | } |
aoqi@0 | 759 | |
aoqi@0 | 760 | #if defined(_WINDOWS) |
aoqi@0 | 761 | #ifndef F_OK |
aoqi@0 | 762 | #define F_OK 0 |
aoqi@0 | 763 | #endif |
aoqi@0 | 764 | #endif // _WINDOWS |
aoqi@0 | 765 | |
aoqi@0 | 766 | // rotate file in names extended_filename.0, extended_filename.1, ..., |
aoqi@0 | 767 | // extended_filename.<NumberOfGCLogFiles - 1>. Current rotation file name will |
aoqi@0 | 768 | // have a form of extended_filename.<i>.current where i is the current rotation |
aoqi@0 | 769 | // file number. After it reaches max file size, the file will be saved and renamed |
aoqi@0 | 770 | // with .current removed from its tail. |
aoqi@0 | 771 | if (_file != NULL) { |
brutisso@7448 | 772 | jio_snprintf(renamed_file_name, JVM_MAXPATHLEN, "%s.%d", |
aoqi@0 | 773 | _file_name, _cur_file_num); |
brutisso@7448 | 774 | int result = jio_snprintf(current_file_name, JVM_MAXPATHLEN, |
brutisso@7448 | 775 | "%s.%d" CURRENTAPPX, _file_name, _cur_file_num); |
brutisso@7448 | 776 | if (result >= JVM_MAXPATHLEN) { |
brutisso@7448 | 777 | warning("Cannot create new log file name: %s: file name is too long.\n", current_file_name); |
brutisso@7448 | 778 | return; |
brutisso@7448 | 779 | } |
aoqi@0 | 780 | |
aoqi@0 | 781 | const char* msg = force ? "GC log rotation request has been received." |
aoqi@0 | 782 | : "GC log file has reached the maximum size."; |
aoqi@0 | 783 | jio_snprintf(time_msg, sizeof(time_msg), "%s %s Saved as %s\n", |
aoqi@0 | 784 | os::local_time_string((char *)time_str, sizeof(time_str)), |
aoqi@0 | 785 | msg, renamed_file_name); |
aoqi@0 | 786 | write(time_msg, strlen(time_msg)); |
aoqi@0 | 787 | |
aoqi@0 | 788 | if (out != NULL) { |
aoqi@0 | 789 | out->print("%s", time_msg); |
aoqi@0 | 790 | } |
aoqi@0 | 791 | |
aoqi@0 | 792 | fclose(_file); |
aoqi@0 | 793 | _file = NULL; |
aoqi@0 | 794 | |
aoqi@0 | 795 | bool can_rename = true; |
aoqi@0 | 796 | if (access(current_file_name, F_OK) != 0) { |
aoqi@0 | 797 | // current file does not exist? |
aoqi@0 | 798 | warning("No source file exists, cannot rename\n"); |
aoqi@0 | 799 | can_rename = false; |
aoqi@0 | 800 | } |
aoqi@0 | 801 | if (can_rename) { |
aoqi@0 | 802 | if (access(renamed_file_name, F_OK) == 0) { |
aoqi@0 | 803 | if (remove(renamed_file_name) != 0) { |
aoqi@0 | 804 | warning("Could not delete existing file %s\n", renamed_file_name); |
aoqi@0 | 805 | can_rename = false; |
aoqi@0 | 806 | } |
aoqi@0 | 807 | } else { |
aoqi@0 | 808 | // file does not exist, ok to rename |
aoqi@0 | 809 | } |
aoqi@0 | 810 | } |
aoqi@0 | 811 | if (can_rename && rename(current_file_name, renamed_file_name) != 0) { |
aoqi@0 | 812 | warning("Could not rename %s to %s\n", _file_name, renamed_file_name); |
aoqi@0 | 813 | } |
aoqi@0 | 814 | } |
aoqi@0 | 815 | |
aoqi@0 | 816 | _cur_file_num++; |
aoqi@0 | 817 | if (_cur_file_num > NumberOfGCLogFiles - 1) _cur_file_num = 0; |
brutisso@7448 | 818 | int result = jio_snprintf(current_file_name, JVM_MAXPATHLEN, "%s.%d" CURRENTAPPX, |
aoqi@0 | 819 | _file_name, _cur_file_num); |
brutisso@7448 | 820 | if (result >= JVM_MAXPATHLEN) { |
brutisso@7448 | 821 | warning("Cannot create new log file name: %s: file name is too long.\n", current_file_name); |
brutisso@7448 | 822 | return; |
brutisso@7448 | 823 | } |
brutisso@7448 | 824 | |
aoqi@0 | 825 | _file = fopen(current_file_name, "w"); |
aoqi@0 | 826 | |
aoqi@0 | 827 | if (_file != NULL) { |
aoqi@0 | 828 | _bytes_written = 0L; |
aoqi@0 | 829 | _need_close = true; |
aoqi@0 | 830 | // reuse current_file_name for time_msg |
brutisso@7448 | 831 | jio_snprintf(current_file_name, JVM_MAXPATHLEN, |
aoqi@0 | 832 | "%s.%d", _file_name, _cur_file_num); |
aoqi@0 | 833 | jio_snprintf(time_msg, sizeof(time_msg), "%s GC log file created %s\n", |
brutisso@7448 | 834 | os::local_time_string((char *)time_str, sizeof(time_str)), current_file_name); |
aoqi@0 | 835 | write(time_msg, strlen(time_msg)); |
aoqi@0 | 836 | |
aoqi@0 | 837 | if (out != NULL) { |
aoqi@0 | 838 | out->print("%s", time_msg); |
aoqi@0 | 839 | } |
aoqi@0 | 840 | |
aoqi@0 | 841 | dump_loggc_header(); |
aoqi@0 | 842 | // remove the existing file |
aoqi@0 | 843 | if (access(current_file_name, F_OK) == 0) { |
aoqi@0 | 844 | if (remove(current_file_name) != 0) { |
aoqi@0 | 845 | warning("Could not delete existing file %s\n", current_file_name); |
aoqi@0 | 846 | } |
aoqi@0 | 847 | } |
aoqi@0 | 848 | } else { |
aoqi@0 | 849 | warning("failed to open rotation log file %s due to %s\n" |
aoqi@0 | 850 | "Turned off GC log file rotation\n", |
aoqi@0 | 851 | _file_name, strerror(errno)); |
aoqi@0 | 852 | _need_close = false; |
aoqi@0 | 853 | FLAG_SET_DEFAULT(UseGCLogFileRotation, false); |
aoqi@0 | 854 | } |
aoqi@0 | 855 | } |
aoqi@0 | 856 | |
aoqi@0 | 857 | defaultStream* defaultStream::instance = NULL; |
aoqi@0 | 858 | int defaultStream::_output_fd = 1; |
aoqi@0 | 859 | int defaultStream::_error_fd = 2; |
aoqi@0 | 860 | FILE* defaultStream::_output_stream = stdout; |
aoqi@0 | 861 | FILE* defaultStream::_error_stream = stderr; |
aoqi@0 | 862 | |
aoqi@0 | 863 | #define LOG_MAJOR_VERSION 160 |
aoqi@0 | 864 | #define LOG_MINOR_VERSION 1 |
aoqi@0 | 865 | |
aoqi@0 | 866 | void defaultStream::init() { |
aoqi@0 | 867 | _inited = true; |
aoqi@0 | 868 | if (LogVMOutput || LogCompilation) { |
aoqi@0 | 869 | init_log(); |
aoqi@0 | 870 | } |
aoqi@0 | 871 | } |
aoqi@0 | 872 | |
aoqi@0 | 873 | bool defaultStream::has_log_file() { |
aoqi@0 | 874 | // lazily create log file (at startup, LogVMOutput is false even |
aoqi@0 | 875 | // if +LogVMOutput is used, because the flags haven't been parsed yet) |
aoqi@0 | 876 | // For safer printing during fatal error handling, do not init logfile |
aoqi@0 | 877 | // if a VM error has been reported. |
aoqi@0 | 878 | if (!_inited && !is_error_reported()) init(); |
aoqi@0 | 879 | return _log_file != NULL; |
aoqi@0 | 880 | } |
aoqi@0 | 881 | |
brutisso@7448 | 882 | fileStream* defaultStream::open_file(const char* log_name) { |
brutisso@7448 | 883 | const char* try_name = make_log_name(log_name, NULL); |
brutisso@7448 | 884 | if (try_name == NULL) { |
brutisso@7448 | 885 | warning("Cannot open file %s: file name is too long.\n", log_name); |
brutisso@7448 | 886 | return NULL; |
brutisso@7448 | 887 | } |
brutisso@7448 | 888 | |
brutisso@7448 | 889 | fileStream* file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
brutisso@7448 | 890 | FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
brutisso@7448 | 891 | if (file->is_open()) { |
brutisso@7448 | 892 | return file; |
brutisso@7448 | 893 | } |
brutisso@7448 | 894 | |
brutisso@7448 | 895 | // Try again to open the file in the temp directory. |
brutisso@7448 | 896 | delete file; |
brutisso@7448 | 897 | char warnbuf[O_BUFLEN*2]; |
brutisso@7448 | 898 | jio_snprintf(warnbuf, sizeof(warnbuf), "Warning: Cannot open log file: %s\n", log_name); |
brutisso@7448 | 899 | // Note: This feature is for maintainer use only. No need for L10N. |
brutisso@7448 | 900 | jio_print(warnbuf); |
brutisso@7448 | 901 | try_name = make_log_name(log_name, os::get_temp_directory()); |
brutisso@7448 | 902 | if (try_name == NULL) { |
brutisso@7448 | 903 | warning("Cannot open file %s: file name is too long for directory %s.\n", log_name, os::get_temp_directory()); |
brutisso@7448 | 904 | return NULL; |
brutisso@7448 | 905 | } |
brutisso@7448 | 906 | |
brutisso@7448 | 907 | jio_snprintf(warnbuf, sizeof(warnbuf), |
brutisso@7448 | 908 | "Warning: Forcing option -XX:LogFile=%s\n", try_name); |
brutisso@7448 | 909 | jio_print(warnbuf); |
brutisso@7448 | 910 | |
brutisso@7448 | 911 | file = new(ResourceObj::C_HEAP, mtInternal) fileStream(try_name); |
brutisso@7448 | 912 | FREE_C_HEAP_ARRAY(char, try_name, mtInternal); |
brutisso@7448 | 913 | if (file->is_open()) { |
brutisso@7448 | 914 | return file; |
brutisso@7448 | 915 | } |
brutisso@7448 | 916 | |
brutisso@7448 | 917 | delete file; |
brutisso@7448 | 918 | return NULL; |
brutisso@7448 | 919 | } |
brutisso@7448 | 920 | |
aoqi@0 | 921 | void defaultStream::init_log() { |
aoqi@0 | 922 | // %%% Need a MutexLocker? |
aoqi@0 | 923 | const char* log_name = LogFile != NULL ? LogFile : "hotspot_%p.log"; |
brutisso@7448 | 924 | fileStream* file = open_file(log_name); |
brutisso@7448 | 925 | |
brutisso@7448 | 926 | if (file != NULL) { |
brutisso@7448 | 927 | _log_file = file; |
brutisso@7448 | 928 | _outer_xmlStream = new(ResourceObj::C_HEAP, mtInternal) xmlStream(file); |
brutisso@7448 | 929 | start_log(); |
brutisso@7448 | 930 | } else { |
brutisso@7448 | 931 | // and leave xtty as NULL |
brutisso@7448 | 932 | LogVMOutput = false; |
brutisso@7448 | 933 | DisplayVMOutput = true; |
brutisso@7448 | 934 | LogCompilation = false; |
aoqi@0 | 935 | } |
brutisso@7448 | 936 | } |
aoqi@0 | 937 | |
brutisso@7448 | 938 | void defaultStream::start_log() { |
brutisso@7448 | 939 | xmlStream*xs = _outer_xmlStream; |
aoqi@0 | 940 | if (this == tty) xtty = xs; |
aoqi@0 | 941 | // Write XML header. |
aoqi@0 | 942 | xs->print_cr("<?xml version='1.0' encoding='UTF-8'?>"); |
aoqi@0 | 943 | // (For now, don't bother to issue a DTD for this private format.) |
aoqi@0 | 944 | jlong time_ms = os::javaTimeMillis() - tty->time_stamp().milliseconds(); |
aoqi@0 | 945 | // %%% Should be: jlong time_ms = os::start_time_milliseconds(), if |
aoqi@0 | 946 | // we ever get round to introduce that method on the os class |
aoqi@0 | 947 | xs->head("hotspot_log version='%d %d'" |
aoqi@0 | 948 | " process='%d' time_ms='"INT64_FORMAT"'", |
aoqi@0 | 949 | LOG_MAJOR_VERSION, LOG_MINOR_VERSION, |
aoqi@0 | 950 | os::current_process_id(), (int64_t)time_ms); |
aoqi@0 | 951 | // Write VM version header immediately. |
aoqi@0 | 952 | xs->head("vm_version"); |
aoqi@0 | 953 | xs->head("name"); xs->text("%s", VM_Version::vm_name()); xs->cr(); |
aoqi@0 | 954 | xs->tail("name"); |
aoqi@0 | 955 | xs->head("release"); xs->text("%s", VM_Version::vm_release()); xs->cr(); |
aoqi@0 | 956 | xs->tail("release"); |
aoqi@0 | 957 | xs->head("info"); xs->text("%s", VM_Version::internal_vm_info_string()); xs->cr(); |
aoqi@0 | 958 | xs->tail("info"); |
aoqi@0 | 959 | xs->tail("vm_version"); |
aoqi@0 | 960 | // Record information about the command-line invocation. |
aoqi@0 | 961 | xs->head("vm_arguments"); // Cf. Arguments::print_on() |
aoqi@0 | 962 | if (Arguments::num_jvm_flags() > 0) { |
aoqi@0 | 963 | xs->head("flags"); |
aoqi@0 | 964 | Arguments::print_jvm_flags_on(xs->text()); |
aoqi@0 | 965 | xs->tail("flags"); |
aoqi@0 | 966 | } |
aoqi@0 | 967 | if (Arguments::num_jvm_args() > 0) { |
aoqi@0 | 968 | xs->head("args"); |
aoqi@0 | 969 | Arguments::print_jvm_args_on(xs->text()); |
aoqi@0 | 970 | xs->tail("args"); |
aoqi@0 | 971 | } |
aoqi@0 | 972 | if (Arguments::java_command() != NULL) { |
aoqi@0 | 973 | xs->head("command"); xs->text()->print_cr("%s", Arguments::java_command()); |
aoqi@0 | 974 | xs->tail("command"); |
aoqi@0 | 975 | } |
aoqi@0 | 976 | if (Arguments::sun_java_launcher() != NULL) { |
aoqi@0 | 977 | xs->head("launcher"); xs->text()->print_cr("%s", Arguments::sun_java_launcher()); |
aoqi@0 | 978 | xs->tail("launcher"); |
aoqi@0 | 979 | } |
aoqi@0 | 980 | if (Arguments::system_properties() != NULL) { |
aoqi@0 | 981 | xs->head("properties"); |
aoqi@0 | 982 | // Print it as a java-style property list. |
aoqi@0 | 983 | // System properties don't generally contain newlines, so don't bother with unparsing. |
aoqi@0 | 984 | for (SystemProperty* p = Arguments::system_properties(); p != NULL; p = p->next()) { |
aoqi@0 | 985 | xs->text()->print_cr("%s=%s", p->key(), p->value()); |
aoqi@0 | 986 | } |
aoqi@0 | 987 | xs->tail("properties"); |
aoqi@0 | 988 | } |
aoqi@0 | 989 | xs->tail("vm_arguments"); |
aoqi@0 | 990 | // tty output per se is grouped under the <tty>...</tty> element. |
aoqi@0 | 991 | xs->head("tty"); |
aoqi@0 | 992 | // All further non-markup text gets copied to the tty: |
aoqi@0 | 993 | xs->_text = this; // requires friend declaration! |
aoqi@0 | 994 | } |
aoqi@0 | 995 | |
aoqi@0 | 996 | // finish_log() is called during normal VM shutdown. finish_log_on_error() is |
aoqi@0 | 997 | // called by ostream_abort() after a fatal error. |
aoqi@0 | 998 | // |
aoqi@0 | 999 | void defaultStream::finish_log() { |
aoqi@0 | 1000 | xmlStream* xs = _outer_xmlStream; |
aoqi@0 | 1001 | xs->done("tty"); |
aoqi@0 | 1002 | |
aoqi@0 | 1003 | // Other log forks are appended here, at the End of Time: |
aoqi@0 | 1004 | CompileLog::finish_log(xs->out()); // write compile logging, if any, now |
aoqi@0 | 1005 | |
aoqi@0 | 1006 | xs->done("hotspot_log"); |
aoqi@0 | 1007 | xs->flush(); |
aoqi@0 | 1008 | |
aoqi@0 | 1009 | fileStream* file = _log_file; |
aoqi@0 | 1010 | _log_file = NULL; |
aoqi@0 | 1011 | |
aoqi@0 | 1012 | delete _outer_xmlStream; |
aoqi@0 | 1013 | _outer_xmlStream = NULL; |
aoqi@0 | 1014 | |
aoqi@0 | 1015 | file->flush(); |
aoqi@0 | 1016 | delete file; |
aoqi@0 | 1017 | } |
aoqi@0 | 1018 | |
aoqi@0 | 1019 | void defaultStream::finish_log_on_error(char *buf, int buflen) { |
aoqi@0 | 1020 | xmlStream* xs = _outer_xmlStream; |
aoqi@0 | 1021 | |
aoqi@0 | 1022 | if (xs && xs->out()) { |
aoqi@0 | 1023 | |
aoqi@0 | 1024 | xs->done_raw("tty"); |
aoqi@0 | 1025 | |
aoqi@0 | 1026 | // Other log forks are appended here, at the End of Time: |
aoqi@0 | 1027 | CompileLog::finish_log_on_error(xs->out(), buf, buflen); // write compile logging, if any, now |
aoqi@0 | 1028 | |
aoqi@0 | 1029 | xs->done_raw("hotspot_log"); |
aoqi@0 | 1030 | xs->flush(); |
aoqi@0 | 1031 | |
aoqi@0 | 1032 | fileStream* file = _log_file; |
aoqi@0 | 1033 | _log_file = NULL; |
aoqi@0 | 1034 | _outer_xmlStream = NULL; |
aoqi@0 | 1035 | |
aoqi@0 | 1036 | if (file) { |
aoqi@0 | 1037 | file->flush(); |
aoqi@0 | 1038 | |
aoqi@0 | 1039 | // Can't delete or close the file because delete and fclose aren't |
aoqi@0 | 1040 | // async-safe. We are about to die, so leave it to the kernel. |
aoqi@0 | 1041 | // delete file; |
aoqi@0 | 1042 | } |
aoqi@0 | 1043 | } |
aoqi@0 | 1044 | } |
aoqi@0 | 1045 | |
aoqi@0 | 1046 | intx defaultStream::hold(intx writer_id) { |
aoqi@0 | 1047 | bool has_log = has_log_file(); // check before locking |
aoqi@0 | 1048 | if (// impossible, but who knows? |
aoqi@0 | 1049 | writer_id == NO_WRITER || |
aoqi@0 | 1050 | |
aoqi@0 | 1051 | // bootstrap problem |
aoqi@0 | 1052 | tty_lock == NULL || |
aoqi@0 | 1053 | |
aoqi@0 | 1054 | // can't grab a lock or call Thread::current() if TLS isn't initialized |
aoqi@0 | 1055 | ThreadLocalStorage::thread() == NULL || |
aoqi@0 | 1056 | |
aoqi@0 | 1057 | // developer hook |
aoqi@0 | 1058 | !SerializeVMOutput || |
aoqi@0 | 1059 | |
aoqi@0 | 1060 | // VM already unhealthy |
aoqi@0 | 1061 | is_error_reported() || |
aoqi@0 | 1062 | |
aoqi@0 | 1063 | // safepoint == global lock (for VM only) |
aoqi@0 | 1064 | (SafepointSynchronize::is_synchronizing() && |
aoqi@0 | 1065 | Thread::current()->is_VM_thread()) |
aoqi@0 | 1066 | ) { |
aoqi@0 | 1067 | // do not attempt to lock unless we know the thread and the VM is healthy |
aoqi@0 | 1068 | return NO_WRITER; |
aoqi@0 | 1069 | } |
aoqi@0 | 1070 | if (_writer == writer_id) { |
aoqi@0 | 1071 | // already held, no need to re-grab the lock |
aoqi@0 | 1072 | return NO_WRITER; |
aoqi@0 | 1073 | } |
aoqi@0 | 1074 | tty_lock->lock_without_safepoint_check(); |
aoqi@0 | 1075 | // got the lock |
aoqi@0 | 1076 | if (writer_id != _last_writer) { |
aoqi@0 | 1077 | if (has_log) { |
aoqi@0 | 1078 | _log_file->bol(); |
aoqi@0 | 1079 | // output a hint where this output is coming from: |
aoqi@0 | 1080 | _log_file->print_cr("<writer thread='" UINTX_FORMAT "'/>", writer_id); |
aoqi@0 | 1081 | } |
aoqi@0 | 1082 | _last_writer = writer_id; |
aoqi@0 | 1083 | } |
aoqi@0 | 1084 | _writer = writer_id; |
aoqi@0 | 1085 | return writer_id; |
aoqi@0 | 1086 | } |
aoqi@0 | 1087 | |
aoqi@0 | 1088 | void defaultStream::release(intx holder) { |
aoqi@0 | 1089 | if (holder == NO_WRITER) { |
aoqi@0 | 1090 | // nothing to release: either a recursive lock, or we scribbled (too bad) |
aoqi@0 | 1091 | return; |
aoqi@0 | 1092 | } |
aoqi@0 | 1093 | if (_writer != holder) { |
aoqi@0 | 1094 | return; // already unlocked, perhaps via break_tty_lock_for_safepoint |
aoqi@0 | 1095 | } |
aoqi@0 | 1096 | _writer = NO_WRITER; |
aoqi@0 | 1097 | tty_lock->unlock(); |
aoqi@0 | 1098 | } |
aoqi@0 | 1099 | |
aoqi@0 | 1100 | |
aoqi@0 | 1101 | // Yuck: jio_print does not accept char*/len. |
aoqi@0 | 1102 | static void call_jio_print(const char* s, size_t len) { |
aoqi@0 | 1103 | char buffer[O_BUFLEN+100]; |
aoqi@0 | 1104 | if (len > sizeof(buffer)-1) { |
aoqi@0 | 1105 | warning("increase O_BUFLEN in ostream.cpp -- output truncated"); |
aoqi@0 | 1106 | len = sizeof(buffer)-1; |
aoqi@0 | 1107 | } |
aoqi@0 | 1108 | strncpy(buffer, s, len); |
aoqi@0 | 1109 | buffer[len] = '\0'; |
aoqi@0 | 1110 | jio_print(buffer); |
aoqi@0 | 1111 | } |
aoqi@0 | 1112 | |
aoqi@0 | 1113 | |
aoqi@0 | 1114 | void defaultStream::write(const char* s, size_t len) { |
aoqi@0 | 1115 | intx thread_id = os::current_thread_id(); |
aoqi@0 | 1116 | intx holder = hold(thread_id); |
aoqi@0 | 1117 | |
aoqi@0 | 1118 | if (DisplayVMOutput && |
aoqi@0 | 1119 | (_outer_xmlStream == NULL || !_outer_xmlStream->inside_attrs())) { |
aoqi@0 | 1120 | // print to output stream. It can be redirected by a vfprintf hook |
aoqi@0 | 1121 | if (s[len] == '\0') { |
aoqi@0 | 1122 | jio_print(s); |
aoqi@0 | 1123 | } else { |
aoqi@0 | 1124 | call_jio_print(s, len); |
aoqi@0 | 1125 | } |
aoqi@0 | 1126 | } |
aoqi@0 | 1127 | |
aoqi@0 | 1128 | // print to log file |
aoqi@0 | 1129 | if (has_log_file()) { |
aoqi@0 | 1130 | int nl0 = _newlines; |
aoqi@0 | 1131 | xmlTextStream::write(s, len); |
aoqi@0 | 1132 | // flush the log file too, if there were any newlines |
aoqi@0 | 1133 | if (nl0 != _newlines){ |
aoqi@0 | 1134 | flush(); |
aoqi@0 | 1135 | } |
aoqi@0 | 1136 | } else { |
aoqi@0 | 1137 | update_position(s, len); |
aoqi@0 | 1138 | } |
aoqi@0 | 1139 | |
aoqi@0 | 1140 | release(holder); |
aoqi@0 | 1141 | } |
aoqi@0 | 1142 | |
aoqi@0 | 1143 | intx ttyLocker::hold_tty() { |
aoqi@0 | 1144 | if (defaultStream::instance == NULL) return defaultStream::NO_WRITER; |
aoqi@0 | 1145 | intx thread_id = os::current_thread_id(); |
aoqi@0 | 1146 | return defaultStream::instance->hold(thread_id); |
aoqi@0 | 1147 | } |
aoqi@0 | 1148 | |
aoqi@0 | 1149 | void ttyLocker::release_tty(intx holder) { |
aoqi@0 | 1150 | if (holder == defaultStream::NO_WRITER) return; |
aoqi@0 | 1151 | defaultStream::instance->release(holder); |
aoqi@0 | 1152 | } |
aoqi@0 | 1153 | |
aoqi@0 | 1154 | bool ttyLocker::release_tty_if_locked() { |
aoqi@0 | 1155 | intx thread_id = os::current_thread_id(); |
aoqi@0 | 1156 | if (defaultStream::instance->writer() == thread_id) { |
aoqi@0 | 1157 | // release the lock and return true so callers know if was |
aoqi@0 | 1158 | // previously held. |
aoqi@0 | 1159 | release_tty(thread_id); |
aoqi@0 | 1160 | return true; |
aoqi@0 | 1161 | } |
aoqi@0 | 1162 | return false; |
aoqi@0 | 1163 | } |
aoqi@0 | 1164 | |
aoqi@0 | 1165 | void ttyLocker::break_tty_lock_for_safepoint(intx holder) { |
aoqi@0 | 1166 | if (defaultStream::instance != NULL && |
aoqi@0 | 1167 | defaultStream::instance->writer() == holder) { |
aoqi@0 | 1168 | if (xtty != NULL) { |
aoqi@0 | 1169 | xtty->print_cr("<!-- safepoint while printing -->"); |
aoqi@0 | 1170 | } |
aoqi@0 | 1171 | defaultStream::instance->release(holder); |
aoqi@0 | 1172 | } |
aoqi@0 | 1173 | // (else there was no lock to break) |
aoqi@0 | 1174 | } |
aoqi@0 | 1175 | |
aoqi@0 | 1176 | void ostream_init() { |
aoqi@0 | 1177 | if (defaultStream::instance == NULL) { |
aoqi@0 | 1178 | defaultStream::instance = new(ResourceObj::C_HEAP, mtInternal) defaultStream(); |
aoqi@0 | 1179 | tty = defaultStream::instance; |
aoqi@0 | 1180 | |
aoqi@0 | 1181 | // We want to ensure that time stamps in GC logs consider time 0 |
aoqi@0 | 1182 | // the time when the JVM is initialized, not the first time we ask |
aoqi@0 | 1183 | // for a time stamp. So, here, we explicitly update the time stamp |
aoqi@0 | 1184 | // of tty. |
aoqi@0 | 1185 | tty->time_stamp().update_to(1); |
aoqi@0 | 1186 | } |
aoqi@0 | 1187 | } |
aoqi@0 | 1188 | |
aoqi@0 | 1189 | void ostream_init_log() { |
aoqi@0 | 1190 | // For -Xloggc:<file> option - called in runtime/thread.cpp |
aoqi@0 | 1191 | // Note : this must be called AFTER ostream_init() |
aoqi@0 | 1192 | |
aoqi@0 | 1193 | gclog_or_tty = tty; // default to tty |
aoqi@0 | 1194 | if (Arguments::gc_log_filename() != NULL) { |
aoqi@0 | 1195 | fileStream * gclog = new(ResourceObj::C_HEAP, mtInternal) |
aoqi@0 | 1196 | gcLogFileStream(Arguments::gc_log_filename()); |
aoqi@0 | 1197 | if (gclog->is_open()) { |
aoqi@0 | 1198 | // now we update the time stamp of the GC log to be synced up |
aoqi@0 | 1199 | // with tty. |
aoqi@0 | 1200 | gclog->time_stamp().update_to(tty->time_stamp().ticks()); |
aoqi@0 | 1201 | } |
aoqi@0 | 1202 | gclog_or_tty = gclog; |
aoqi@0 | 1203 | } |
aoqi@0 | 1204 | |
iklam@7089 | 1205 | #if INCLUDE_CDS |
iklam@7089 | 1206 | // For -XX:DumpLoadedClassList=<file> option |
iklam@7089 | 1207 | if (DumpLoadedClassList != NULL) { |
iklam@7089 | 1208 | const char* list_name = make_log_name(DumpLoadedClassList, NULL); |
iklam@7089 | 1209 | classlist_file = new(ResourceObj::C_HEAP, mtInternal) |
iklam@7089 | 1210 | fileStream(list_name); |
iklam@7089 | 1211 | FREE_C_HEAP_ARRAY(char, list_name, mtInternal); |
iklam@7089 | 1212 | } |
iklam@7089 | 1213 | #endif |
iklam@7089 | 1214 | |
aoqi@0 | 1215 | // If we haven't lazily initialized the logfile yet, do it now, |
aoqi@0 | 1216 | // to avoid the possibility of lazy initialization during a VM |
aoqi@0 | 1217 | // crash, which can affect the stability of the fatal error handler. |
aoqi@0 | 1218 | defaultStream::instance->has_log_file(); |
aoqi@0 | 1219 | } |
aoqi@0 | 1220 | |
aoqi@0 | 1221 | // ostream_exit() is called during normal VM exit to finish log files, flush |
aoqi@0 | 1222 | // output and free resource. |
aoqi@0 | 1223 | void ostream_exit() { |
aoqi@0 | 1224 | static bool ostream_exit_called = false; |
aoqi@0 | 1225 | if (ostream_exit_called) return; |
aoqi@0 | 1226 | ostream_exit_called = true; |
iklam@7089 | 1227 | #if INCLUDE_CDS |
iklam@7089 | 1228 | if (classlist_file != NULL) { |
iklam@7089 | 1229 | delete classlist_file; |
iklam@7089 | 1230 | } |
iklam@7089 | 1231 | #endif |
aoqi@0 | 1232 | if (gclog_or_tty != tty) { |
aoqi@0 | 1233 | delete gclog_or_tty; |
aoqi@0 | 1234 | } |
aoqi@0 | 1235 | { |
aoqi@0 | 1236 | // we temporaly disable PrintMallocFree here |
aoqi@0 | 1237 | // as otherwise it'll lead to using of almost deleted |
aoqi@0 | 1238 | // tty or defaultStream::instance in logging facility |
aoqi@0 | 1239 | // of HeapFree(), see 6391258 |
aoqi@0 | 1240 | DEBUG_ONLY(FlagSetting fs(PrintMallocFree, false);) |
aoqi@0 | 1241 | if (tty != defaultStream::instance) { |
aoqi@0 | 1242 | delete tty; |
aoqi@0 | 1243 | } |
aoqi@0 | 1244 | if (defaultStream::instance != NULL) { |
aoqi@0 | 1245 | delete defaultStream::instance; |
aoqi@0 | 1246 | } |
aoqi@0 | 1247 | } |
aoqi@0 | 1248 | tty = NULL; |
aoqi@0 | 1249 | xtty = NULL; |
aoqi@0 | 1250 | gclog_or_tty = NULL; |
aoqi@0 | 1251 | defaultStream::instance = NULL; |
aoqi@0 | 1252 | } |
aoqi@0 | 1253 | |
aoqi@0 | 1254 | // ostream_abort() is called by os::abort() when VM is about to die. |
aoqi@0 | 1255 | void ostream_abort() { |
aoqi@0 | 1256 | // Here we can't delete gclog_or_tty and tty, just flush their output |
aoqi@0 | 1257 | if (gclog_or_tty) gclog_or_tty->flush(); |
aoqi@0 | 1258 | if (tty) tty->flush(); |
aoqi@0 | 1259 | |
aoqi@0 | 1260 | if (defaultStream::instance != NULL) { |
aoqi@0 | 1261 | static char buf[4096]; |
aoqi@0 | 1262 | defaultStream::instance->finish_log_on_error(buf, sizeof(buf)); |
aoqi@0 | 1263 | } |
aoqi@0 | 1264 | } |
aoqi@0 | 1265 | |
aoqi@0 | 1266 | staticBufferStream::staticBufferStream(char* buffer, size_t buflen, |
aoqi@0 | 1267 | outputStream *outer_stream) { |
aoqi@0 | 1268 | _buffer = buffer; |
aoqi@0 | 1269 | _buflen = buflen; |
aoqi@0 | 1270 | _outer_stream = outer_stream; |
aoqi@0 | 1271 | // compile task prints time stamp relative to VM start |
aoqi@0 | 1272 | _stamp.update_to(1); |
aoqi@0 | 1273 | } |
aoqi@0 | 1274 | |
aoqi@0 | 1275 | void staticBufferStream::write(const char* c, size_t len) { |
aoqi@0 | 1276 | _outer_stream->print_raw(c, (int)len); |
aoqi@0 | 1277 | } |
aoqi@0 | 1278 | |
aoqi@0 | 1279 | void staticBufferStream::flush() { |
aoqi@0 | 1280 | _outer_stream->flush(); |
aoqi@0 | 1281 | } |
aoqi@0 | 1282 | |
aoqi@0 | 1283 | void staticBufferStream::print(const char* format, ...) { |
aoqi@0 | 1284 | va_list ap; |
aoqi@0 | 1285 | va_start(ap, format); |
aoqi@0 | 1286 | size_t len; |
aoqi@0 | 1287 | const char* str = do_vsnprintf(_buffer, _buflen, format, ap, false, len); |
aoqi@0 | 1288 | write(str, len); |
aoqi@0 | 1289 | va_end(ap); |
aoqi@0 | 1290 | } |
aoqi@0 | 1291 | |
aoqi@0 | 1292 | void staticBufferStream::print_cr(const char* format, ...) { |
aoqi@0 | 1293 | va_list ap; |
aoqi@0 | 1294 | va_start(ap, format); |
aoqi@0 | 1295 | size_t len; |
aoqi@0 | 1296 | const char* str = do_vsnprintf(_buffer, _buflen, format, ap, true, len); |
aoqi@0 | 1297 | write(str, len); |
aoqi@0 | 1298 | va_end(ap); |
aoqi@0 | 1299 | } |
aoqi@0 | 1300 | |
aoqi@0 | 1301 | void staticBufferStream::vprint(const char *format, va_list argptr) { |
aoqi@0 | 1302 | size_t len; |
aoqi@0 | 1303 | const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, false, len); |
aoqi@0 | 1304 | write(str, len); |
aoqi@0 | 1305 | } |
aoqi@0 | 1306 | |
aoqi@0 | 1307 | void staticBufferStream::vprint_cr(const char* format, va_list argptr) { |
aoqi@0 | 1308 | size_t len; |
aoqi@0 | 1309 | const char* str = do_vsnprintf(_buffer, _buflen, format, argptr, true, len); |
aoqi@0 | 1310 | write(str, len); |
aoqi@0 | 1311 | } |
aoqi@0 | 1312 | |
aoqi@0 | 1313 | bufferedStream::bufferedStream(size_t initial_size, size_t bufmax) : outputStream() { |
aoqi@0 | 1314 | buffer_length = initial_size; |
aoqi@0 | 1315 | buffer = NEW_C_HEAP_ARRAY(char, buffer_length, mtInternal); |
aoqi@0 | 1316 | buffer_pos = 0; |
aoqi@0 | 1317 | buffer_fixed = false; |
aoqi@0 | 1318 | buffer_max = bufmax; |
aoqi@0 | 1319 | } |
aoqi@0 | 1320 | |
aoqi@0 | 1321 | bufferedStream::bufferedStream(char* fixed_buffer, size_t fixed_buffer_size, size_t bufmax) : outputStream() { |
aoqi@0 | 1322 | buffer_length = fixed_buffer_size; |
aoqi@0 | 1323 | buffer = fixed_buffer; |
aoqi@0 | 1324 | buffer_pos = 0; |
aoqi@0 | 1325 | buffer_fixed = true; |
aoqi@0 | 1326 | buffer_max = bufmax; |
aoqi@0 | 1327 | } |
aoqi@0 | 1328 | |
aoqi@0 | 1329 | void bufferedStream::write(const char* s, size_t len) { |
aoqi@0 | 1330 | |
aoqi@0 | 1331 | if(buffer_pos + len > buffer_max) { |
aoqi@0 | 1332 | flush(); |
aoqi@0 | 1333 | } |
aoqi@0 | 1334 | |
aoqi@0 | 1335 | size_t end = buffer_pos + len; |
aoqi@0 | 1336 | if (end >= buffer_length) { |
aoqi@0 | 1337 | if (buffer_fixed) { |
aoqi@0 | 1338 | // if buffer cannot resize, silently truncate |
aoqi@0 | 1339 | len = buffer_length - buffer_pos - 1; |
aoqi@0 | 1340 | } else { |
aoqi@0 | 1341 | // For small overruns, double the buffer. For larger ones, |
aoqi@0 | 1342 | // increase to the requested size. |
aoqi@0 | 1343 | if (end < buffer_length * 2) { |
aoqi@0 | 1344 | end = buffer_length * 2; |
aoqi@0 | 1345 | } |
aoqi@0 | 1346 | buffer = REALLOC_C_HEAP_ARRAY(char, buffer, end, mtInternal); |
aoqi@0 | 1347 | buffer_length = end; |
aoqi@0 | 1348 | } |
aoqi@0 | 1349 | } |
aoqi@0 | 1350 | memcpy(buffer + buffer_pos, s, len); |
aoqi@0 | 1351 | buffer_pos += len; |
aoqi@0 | 1352 | update_position(s, len); |
aoqi@0 | 1353 | } |
aoqi@0 | 1354 | |
aoqi@0 | 1355 | char* bufferedStream::as_string() { |
aoqi@0 | 1356 | char* copy = NEW_RESOURCE_ARRAY(char, buffer_pos+1); |
aoqi@0 | 1357 | strncpy(copy, buffer, buffer_pos); |
aoqi@0 | 1358 | copy[buffer_pos] = 0; // terminating null |
aoqi@0 | 1359 | return copy; |
aoqi@0 | 1360 | } |
aoqi@0 | 1361 | |
aoqi@0 | 1362 | bufferedStream::~bufferedStream() { |
aoqi@0 | 1363 | if (!buffer_fixed) { |
aoqi@0 | 1364 | FREE_C_HEAP_ARRAY(char, buffer, mtInternal); |
aoqi@0 | 1365 | } |
aoqi@0 | 1366 | } |
aoqi@0 | 1367 | |
aoqi@0 | 1368 | #ifndef PRODUCT |
aoqi@0 | 1369 | |
aoqi@0 | 1370 | #if defined(SOLARIS) || defined(LINUX) || defined(AIX) || defined(_ALLBSD_SOURCE) |
aoqi@0 | 1371 | #include <sys/types.h> |
aoqi@0 | 1372 | #include <sys/socket.h> |
aoqi@0 | 1373 | #include <netinet/in.h> |
aoqi@0 | 1374 | #include <arpa/inet.h> |
aoqi@0 | 1375 | #endif |
aoqi@0 | 1376 | |
aoqi@0 | 1377 | // Network access |
aoqi@0 | 1378 | networkStream::networkStream() : bufferedStream(1024*10, 1024*10) { |
aoqi@0 | 1379 | |
aoqi@0 | 1380 | _socket = -1; |
aoqi@0 | 1381 | |
aoqi@0 | 1382 | int result = os::socket(AF_INET, SOCK_STREAM, 0); |
aoqi@0 | 1383 | if (result <= 0) { |
aoqi@0 | 1384 | assert(false, "Socket could not be created!"); |
aoqi@0 | 1385 | } else { |
aoqi@0 | 1386 | _socket = result; |
aoqi@0 | 1387 | } |
aoqi@0 | 1388 | } |
aoqi@0 | 1389 | |
aoqi@0 | 1390 | int networkStream::read(char *buf, size_t len) { |
aoqi@0 | 1391 | return os::recv(_socket, buf, (int)len, 0); |
aoqi@0 | 1392 | } |
aoqi@0 | 1393 | |
aoqi@0 | 1394 | void networkStream::flush() { |
aoqi@0 | 1395 | if (size() != 0) { |
aoqi@0 | 1396 | int result = os::raw_send(_socket, (char *)base(), size(), 0); |
aoqi@0 | 1397 | assert(result != -1, "connection error"); |
aoqi@0 | 1398 | assert(result == (int)size(), "didn't send enough data"); |
aoqi@0 | 1399 | } |
aoqi@0 | 1400 | reset(); |
aoqi@0 | 1401 | } |
aoqi@0 | 1402 | |
aoqi@0 | 1403 | networkStream::~networkStream() { |
aoqi@0 | 1404 | close(); |
aoqi@0 | 1405 | } |
aoqi@0 | 1406 | |
aoqi@0 | 1407 | void networkStream::close() { |
aoqi@0 | 1408 | if (_socket != -1) { |
aoqi@0 | 1409 | flush(); |
aoqi@0 | 1410 | os::socket_close(_socket); |
aoqi@0 | 1411 | _socket = -1; |
aoqi@0 | 1412 | } |
aoqi@0 | 1413 | } |
aoqi@0 | 1414 | |
aoqi@0 | 1415 | bool networkStream::connect(const char *ip, short port) { |
aoqi@0 | 1416 | |
aoqi@0 | 1417 | struct sockaddr_in server; |
aoqi@0 | 1418 | server.sin_family = AF_INET; |
aoqi@0 | 1419 | server.sin_port = htons(port); |
aoqi@0 | 1420 | |
aoqi@0 | 1421 | server.sin_addr.s_addr = inet_addr(ip); |
aoqi@0 | 1422 | if (server.sin_addr.s_addr == (uint32_t)-1) { |
aoqi@0 | 1423 | struct hostent* host = os::get_host_by_name((char*)ip); |
aoqi@0 | 1424 | if (host != NULL) { |
aoqi@0 | 1425 | memcpy(&server.sin_addr, host->h_addr_list[0], host->h_length); |
aoqi@0 | 1426 | } else { |
aoqi@0 | 1427 | return false; |
aoqi@0 | 1428 | } |
aoqi@0 | 1429 | } |
aoqi@0 | 1430 | |
aoqi@0 | 1431 | |
aoqi@0 | 1432 | int result = os::connect(_socket, (struct sockaddr*)&server, sizeof(struct sockaddr_in)); |
aoqi@0 | 1433 | return (result >= 0); |
aoqi@0 | 1434 | } |
aoqi@0 | 1435 | |
aoqi@0 | 1436 | #endif |