Mercurial > jdk8-mips64-public > hotspot / file revision
src/share/vm/prims/hpi_imported.h@f95d63e2154a
src/share/vm/prims/hpi_imported.h
Tue, 23 Nov 2010 13:22:55 -0800
- author
- stefank
- date
- Tue, 23 Nov 2010 13:22:55 -0800
- changeset 2314
- f95d63e2154a
- parent 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
1 /*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 /*
26 * HotSpot integration note:
27 *
28 * This is a consolidation of these two files:
29 * src/share/hpi/export/hpi.h 1.15 99/06/18 JDK1.3 beta build I
30 * src/share/hpi/export/dll.h 1.3 98/09/15 JDK1.3 beta build I
31 * from the classic VM.
32 *
33 * bool_t is a type in the classic VM, and we define it here,
34 * but in the future this should be a jboolean.
35 *
36 * The files are included verbatim expect for local includes removed from hpi.h.
37 */
39 #ifndef SHARE_VM_PRIMS_HPI_IMPORTED_H
40 #define SHARE_VM_PRIMS_HPI_IMPORTED_H
42 #include "jni.h"
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
48 /* A classic VMism that should become a jboolean. Fix in 1.2.1? */
49 typedef enum { HPI_FALSE = 0, HPI_TRUE = 1 } bool_t;
51 /*
52 * DLL.H: A common interface for helper DLLs loaded by the VM.
53 * Each library exports the main entry point "DLL_Initialize". Through
54 * that function the programmer can obtain a function pointer which has
55 * type "GetInterfaceFunc." Through the function pointer the programmer
56 * can obtain other interfaces supported in the DLL.
57 */
58 typedef jint (JNICALL * GetInterfaceFunc)
59 (void **intfP, const char *name, jint ver);
61 jint JNICALL DLL_Initialize(GetInterfaceFunc *, void *args);
64 /*
65 * Host Porting Interface. This defines the "porting layer" for
66 * POSIX.1 compliant operating systems.
67 */
69 /*
70 * memory allocations
71 */
72 typedef struct {
73 /*
74 * Malloc must return a unique pointer if size == 0.
75 */
76 void * (*Malloc)(size_t size);
77 void * (*Realloc)(void *ptr, size_t new_size);
78 /*
79 * Free must allow ptr == NULL to be a no-op.
80 */
81 void (*Free)(void *ptr);
82 /*
83 * Calloc must return a unique pointer for if
84 * n_item == 0 || item_size == 0.
85 */
86 void * (*Calloc)(size_t n_item, size_t item_size);
87 char * (*Strdup)(const char *str);
89 void * (*MapMem)(size_t req_size, size_t *maped_size);
90 void * (*UnmapMem)(void *req_addr, size_t req_size, size_t *unmap_size);
91 /*
92 * CommitMem should round the ptr down to the nearest page and
93 * round the size up to the nearest page so that the committed
94 * region is at least as large as the requested region.
95 */
96 void * (*CommitMem)(void *ptr, size_t size, size_t *actual);
97 /*
98 * sysDecommitMem should round the ptr up to the nearest page and
99 * round the size down to the nearest page so that the decommitted
100 * region is no greater than the requested region.
101 */
102 void * (*DecommitMem)(void *ptr, size_t size, size_t *actual);
104 #define HPI_PAGE_ALIGNMENT (64 * 1024)
106 void * (*AllocBlock)(size_t size, void **headP);
107 void (*FreeBlock)(void *head);
108 } HPI_MemoryInterface;
110 /*
111 * dynamic linking libraries
112 */
113 typedef struct {
114 void (*BuildLibName)(char *buf, int buf_len, char *path, const char *name);
115 int (*BuildFunName)(char *name, int name_len, int arg_size, int en_idx);
117 void * (*LoadLibrary)(const char *name, char *err_buf, int err_buflen);
118 void (*UnloadLibrary)(void *lib);
119 void * (*FindLibraryEntry)(void *lib, const char *name);
120 } HPI_LibraryInterface;
122 typedef void (*signal_handler_t)(int sig, void *siginfo, void *context);
124 #define HPI_SIG_DFL (signal_handler_t)0
125 #define HPI_SIG_ERR (signal_handler_t)-1
126 #define HPI_SIG_IGN (signal_handler_t)1
128 typedef struct {
129 char *name; /* name such as green/native threads. */
130 int isMP;
131 } HPI_SysInfo;
133 typedef struct {
134 HPI_SysInfo * (*GetSysInfo)(void);
135 long (*GetMilliTicks)(void);
136 jlong (*TimeMillis)(void);
138 signal_handler_t (*Signal)(int sig, signal_handler_t handler);
139 void (*Raise)(int sig);
140 void (*SignalNotify)(int sig);
141 int (*SignalWait)(void);
143 int (*Shutdown)(void);
145 int (*SetLoggingLevel)(int level);
146 bool_t (*SetMonitoringOn)(bool_t on);
147 int (*GetLastErrorString)(char *buf, int len);
148 } HPI_SystemInterface;
150 /*
151 * threads and monitors
152 */
153 typedef struct sys_thread sys_thread_t;
154 typedef struct sys_mon sys_mon_t;
156 #define HPI_OK 0
157 #define HPI_ERR -1
158 #define HPI_INTRPT -2 /* Operation was interrupted */
159 #define HPI_TIMEOUT -3 /* A timer ran out */
160 #define HPI_NOMEM -5 /* Ran out of memory */
161 #define HPI_NORESOURCE -6 /* Ran out of some system resource */
163 /* There are three basic states: RUNNABLE, MONITOR_WAIT, and CONDVAR_WAIT.
164 * When the thread is suspended in any of these states, the
165 * HPI_THREAD_SUSPENDED bit will be set
166 */
167 enum {
168 HPI_THREAD_RUNNABLE = 1,
169 HPI_THREAD_MONITOR_WAIT,
170 HPI_THREAD_CONDVAR_WAIT
171 };
173 #define HPI_MINIMUM_PRIORITY 1
174 #define HPI_MAXIMUM_PRIORITY 10
175 #define HPI_NORMAL_PRIORITY 5
177 #define HPI_THREAD_SUSPENDED 0x8000
178 #define HPI_THREAD_INTERRUPTED 0x4000
180 typedef struct {
181 sys_thread_t *owner;
182 int entry_count;
183 sys_thread_t **monitor_waiters;
184 sys_thread_t **condvar_waiters;
185 int sz_monitor_waiters;
186 int sz_condvar_waiters;
187 int n_monitor_waiters;
188 int n_condvar_waiters;
189 } sys_mon_info;
191 typedef struct {
192 int (*ThreadBootstrap)(sys_thread_t **tidP,
193 sys_mon_t **qlockP,
194 int nReservedBytes);
195 int (*ThreadCreate)(sys_thread_t **tidP,
196 long stk_size,
197 void (*func)(void *),
198 void *arg);
199 sys_thread_t * (*ThreadSelf)(void);
200 void (*ThreadYield)(void);
201 int (*ThreadSuspend)(sys_thread_t *tid);
202 int (*ThreadResume)(sys_thread_t *tid);
203 int (*ThreadSetPriority)(sys_thread_t *tid, int prio);
204 int (*ThreadGetPriority)(sys_thread_t *tid, int *prio);
205 void * (*ThreadStackPointer)(sys_thread_t *tid);
206 void * (*ThreadStackTop)(sys_thread_t *tid);
207 long * (*ThreadRegs)(sys_thread_t *tid, int *regs);
208 int (*ThreadSingle)(void);
209 void (*ThreadMulti)(void);
210 int (*ThreadEnumerateOver)(int (*func)(sys_thread_t *, void *),
211 void *arg);
212 int (*ThreadCheckStack)(void);
213 void (*ThreadPostException)(sys_thread_t *tid, void *arg);
214 void (*ThreadInterrupt)(sys_thread_t *tid);
215 int (*ThreadIsInterrupted)(sys_thread_t *tid, int clear);
216 int (*ThreadAlloc)(sys_thread_t **tidP);
217 int (*ThreadFree)(void);
218 jlong (*ThreadCPUTime)(void);
219 int (*ThreadGetStatus)(sys_thread_t *tid, sys_mon_t **monitor);
220 void * (*ThreadInterruptEvent)(void);
221 void * (*ThreadNativeID)(sys_thread_t *tid);
223 /* These three functions are used by the CPU time profiler.
224 * sysThreadIsRunning determines whether the thread is running (not just
225 * runnable). It is only safe to call this function after calling
226 * sysThreadProfSuspend.
227 */
228 bool_t (*ThreadIsRunning)(sys_thread_t *tid);
229 void (*ThreadProfSuspend)(sys_thread_t *tid);
230 void (*ThreadProfResume)(sys_thread_t *tid);
232 int (*AdjustTimeSlice)(int ms);
234 size_t (*MonitorSizeof)(void);
235 int (*MonitorInit)(sys_mon_t *mid);
236 int (*MonitorDestroy)(sys_mon_t *mid);
237 int (*MonitorEnter)(sys_thread_t *self, sys_mon_t *mid);
238 bool_t (*MonitorEntered)(sys_thread_t *self, sys_mon_t *mid);
239 int (*MonitorExit)(sys_thread_t *self, sys_mon_t *mid);
240 int (*MonitorNotify)(sys_thread_t *self, sys_mon_t *mid);
241 int (*MonitorNotifyAll)(sys_thread_t *self, sys_mon_t *mid);
242 int (*MonitorWait)(sys_thread_t *self, sys_mon_t *mid, jlong ms);
243 bool_t (*MonitorInUse)(sys_mon_t *mid);
244 sys_thread_t * (*MonitorOwner)(sys_mon_t *mid);
245 int (*MonitorGetInfo)(sys_mon_t *mid, sys_mon_info *info);
247 } HPI_ThreadInterface;
249 /*
250 * files
251 */
253 #define HPI_FILETYPE_REGULAR (0)
254 #define HPI_FILETYPE_DIRECTORY (1)
255 #define HPI_FILETYPE_OTHER (2)
257 typedef struct {
258 char * (*NativePath)(char *path);
259 int (*FileType)(const char *path);
260 int (*Open)(const char *name, int openMode, int filePerm);
261 int (*Close)(int fd);
262 jlong (*Seek)(int fd, jlong offset, int whence);
263 int (*SetLength)(int fd, jlong length);
264 int (*Sync)(int fd);
265 int (*Available)(int fd, jlong *bytes);
266 size_t (*Read)(int fd, void *buf, unsigned int nBytes);
267 size_t (*Write)(int fd, const void *buf, unsigned int nBytes);
268 int (*FileSizeFD)(int fd, jlong *size);
269 } HPI_FileInterface;
271 /*
272 * sockets
273 */
274 struct sockaddr;
275 struct hostent;
277 typedef struct {
278 int (*Close)(int fd);
279 long (*Available)(int fd, jint *pbytes);
280 int (*Connect)(int fd, struct sockaddr *him, int len);
281 int (*Accept)(int fd, struct sockaddr *him, int *len);
282 int (*SendTo)(int fd, char *buf, int len, int flags,
283 struct sockaddr *to, int tolen);
284 int (*RecvFrom)(int fd, char *buf, int nbytes, int flags,
285 struct sockaddr *from, int *fromlen);
286 int (*Listen)(int fd, long count);
287 int (*Recv)(int fd, char *buf, int nBytes, int flags);
288 int (*Send)(int fd, char *buf, int nBytes, int flags);
289 int (*Timeout)(int fd, long timeout);
290 struct hostent * (*GetHostByName)(char *hostname);
291 int (*Socket)(int domain, int type, int protocol);
292 int (*SocketShutdown)(int fd, int howto);
293 int (*Bind)(int fd, struct sockaddr *him, int len);
294 int (*GetSocketName)(int fd, struct sockaddr *him, int *len);
295 int (*GetHostName)(char *hostname, int namelen);
296 struct hostent * (*GetHostByAddr)(const char *hostname, int len, int type);
297 int (*SocketGetOption)(int fd, int level, int optname, char *optval, int *optlen);
298 int (*SocketSetOption)(int fd, int level, int optname, const char *optval, int optlen);
299 struct protoent * (*GetProtoByName)(char* name);
300 } HPI_SocketInterface;
302 /*
303 * callbacks.
304 */
305 typedef struct vm_calls {
306 int (*jio_fprintf)(FILE *fp, const char *fmt, ...);
307 void (*panic)(const char *fmt, ...);
308 void (*monitorRegister)(sys_mon_t *mid, char *info_str);
310 void (*monitorContendedEnter)(sys_thread_t *self, sys_mon_t *mid);
311 void (*monitorContendedEntered)(sys_thread_t *self, sys_mon_t *mid);
312 void (*monitorContendedExit)(sys_thread_t *self, sys_mon_t *mid);
313 } vm_calls_t;
315 #ifdef __cplusplus
316 }
317 #endif
319 #endif // SHARE_VM_PRIMS_HPI_IMPORTED_H
