Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/linux/vm/os_linux.cpp
src/os/linux/vm/os_linux.cpp
- changeset 9676
- bf1c9a3312a4
- parent 9620
- 97d605522fcb
- child 9703
- 2fdf635bcf28
- child 9711
- 0f2fe7d37d8c
equal
deleted
inserted
replaced
| 9675:894c78fcb2ea | 9676:bf1c9a3312a4 |
|---|---|
| 134 address os::Linux::_initial_thread_stack_bottom = NULL; | 134 address os::Linux::_initial_thread_stack_bottom = NULL; |
| 135 uintptr_t os::Linux::_initial_thread_stack_size = 0; | 135 uintptr_t os::Linux::_initial_thread_stack_size = 0; |
| 136 | 136 |
| 137 int (*os::Linux::_clock_gettime)(clockid_t, struct timespec *) = NULL; | 137 int (*os::Linux::_clock_gettime)(clockid_t, struct timespec *) = NULL; |
| 138 int (*os::Linux::_pthread_getcpuclockid)(pthread_t, clockid_t *) = NULL; | 138 int (*os::Linux::_pthread_getcpuclockid)(pthread_t, clockid_t *) = NULL; |
| 139 int (*os::Linux::_pthread_setname_np)(pthread_t, const char*) = NULL; | |
| 139 Mutex* os::Linux::_createThread_lock = NULL; | 140 Mutex* os::Linux::_createThread_lock = NULL; |
| 140 pthread_t os::Linux::_main_thread; | 141 pthread_t os::Linux::_main_thread; |
| 141 int os::Linux::_page_size = -1; | 142 int os::Linux::_page_size = -1; |
| 142 const int os::Linux::_vm_default_page_size = (8 * K); | 143 const int os::Linux::_vm_default_page_size = (8 * K); |
| 143 bool os::Linux::_is_floating_stack = false; | 144 bool os::Linux::_is_floating_stack = false; |
| 5052 if (vm_page_size() > (int)Linux::vm_default_page_size()) { | 5053 if (vm_page_size() > (int)Linux::vm_default_page_size()) { |
| 5053 StackYellowPages = 1; | 5054 StackYellowPages = 1; |
| 5054 StackRedPages = 1; | 5055 StackRedPages = 1; |
| 5055 StackShadowPages = round_to((StackShadowPages*Linux::vm_default_page_size()), vm_page_size()) / vm_page_size(); | 5056 StackShadowPages = round_to((StackShadowPages*Linux::vm_default_page_size()), vm_page_size()) / vm_page_size(); |
| 5056 } | 5057 } |
| 5058 | |
| 5059 // retrieve entry point for pthread_setname_np | |
| 5060 Linux::_pthread_setname_np = | |
| 5061 (int(*)(pthread_t, const char*))dlsym(RTLD_DEFAULT, "pthread_setname_np"); | |
| 5062 | |
| 5057 } | 5063 } |
| 5058 | 5064 |
| 5059 // To install functions for atexit system call | 5065 // To install functions for atexit system call |
| 5060 extern "C" { | 5066 extern "C" { |
| 5061 static void perfMemory_exit_helper() { | 5067 static void perfMemory_exit_helper() { |
| 5306 | 5312 |
| 5307 return active_cpus; | 5313 return active_cpus; |
| 5308 } | 5314 } |
| 5309 | 5315 |
| 5310 void os::set_native_thread_name(const char *name) { | 5316 void os::set_native_thread_name(const char *name) { |
| 5311 // Not yet implemented. | 5317 if (Linux::_pthread_setname_np) { |
| 5312 return; | 5318 char buf [16]; // according to glibc manpage, 16 chars incl. '/0' |
| 5319 snprintf(buf, sizeof(buf), "%s", name); | |
| 5320 buf[sizeof(buf) - 1] = '\0'; | |
| 5321 const int rc = Linux::_pthread_setname_np(pthread_self(), buf); | |
| 5322 // ERANGE should not happen; all other errors should just be ignored. | |
| 5323 assert(rc != ERANGE, "pthread_setname_np failed"); | |
| 5324 } | |
| 5313 } | 5325 } |
| 5314 | 5326 |
| 5315 bool os::distribute_processes(uint length, uint* distribution) { | 5327 bool os::distribute_processes(uint length, uint* distribution) { |
| 5316 // Not yet implemented. | 5328 // Not yet implemented. |
| 5317 return false; | 5329 return false; |
