Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/memory/filemap.cpp
src/share/vm/memory/filemap.cpp
- changeset 4396
- 6c3f47d964f3
- parent 4293
- fe81517cfb77
- child 4397
- 561148896559
equal
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| 4395:cc6a617fffd2 | 4396:6c3f47d964f3 |
|---|---|
| 209 tty->print_cr(" %s", _full_path); | 209 tty->print_cr(" %s", _full_path); |
| 210 } | 210 } |
| 211 | 211 |
| 212 // Remove the existing file in case another process has it open. | 212 // Remove the existing file in case another process has it open. |
| 213 remove(_full_path); | 213 remove(_full_path); |
| 214 #ifdef _WINDOWS // if 0444 is used on Windows, then remove() will fail. | |
| 215 int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0744); | |
| 216 #else | |
| 214 int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0444); | 217 int fd = open(_full_path, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0444); |
| 218 #endif | |
| 215 if (fd < 0) { | 219 if (fd < 0) { |
| 216 fail_stop("Unable to create shared archive file %s.", _full_path); | 220 fail_stop("Unable to create shared archive file %s.", _full_path); |
| 217 } | 221 } |
| 218 _fd = fd; | 222 _fd = fd; |
| 219 _file_offset = 0; | 223 _file_offset = 0; |
| 368 if (!rs.is_reserved()) { | 372 if (!rs.is_reserved()) { |
| 369 fail_continue(err_msg("Unable to reserved shared space at required address " INTPTR_FORMAT, requested_addr)); | 373 fail_continue(err_msg("Unable to reserved shared space at required address " INTPTR_FORMAT, requested_addr)); |
| 370 return rs; | 374 return rs; |
| 371 } | 375 } |
| 372 // the reserved virtual memory is for mapping class data sharing archive | 376 // the reserved virtual memory is for mapping class data sharing archive |
| 373 if (MemTracker::is_on()) { | 377 MemTracker::record_virtual_memory_type((address)rs.base(), mtClassShared); |
| 374 MemTracker::record_virtual_memory_type((address)rs.base(), mtClassShared); | 378 |
| 375 } | |
| 376 return rs; | 379 return rs; |
| 377 } | 380 } |
| 378 | 381 |
| 379 // Memory map a region in the address space. | 382 // Memory map a region in the address space. |
| 380 static const char* shared_region_name[] = { "ReadOnly", "ReadWrite", "MiscData", "MiscCode"}; | 383 static const char* shared_region_name[] = { "ReadOnly", "ReadWrite", "MiscData", "MiscCode"}; |
| 392 si->_allow_exec); | 395 si->_allow_exec); |
| 393 if (base == NULL || base != si->_base) { | 396 if (base == NULL || base != si->_base) { |
| 394 fail_continue(err_msg("Unable to map %s shared space at required address.", shared_region_name[i])); | 397 fail_continue(err_msg("Unable to map %s shared space at required address.", shared_region_name[i])); |
| 395 return NULL; | 398 return NULL; |
| 396 } | 399 } |
| 400 #ifdef _WINDOWS | |
| 401 // This call is Windows-only because the memory_type gets recorded for the other platforms | |
| 402 // in method FileMapInfo::reserve_shared_memory(), which is not called on Windows. | |
| 403 MemTracker::record_virtual_memory_type((address)base, mtClassShared); | |
| 404 #endif | |
| 397 return base; | 405 return base; |
| 398 } | 406 } |
| 399 | 407 |
| 400 | 408 |
| 401 // Unmap a memory region in the address space. | 409 // Unmap a memory region in the address space. |
