| #include "pthread_impl.h" |
| |
| static struct pthread main_thread; |
| |
| /* pthread_key_create.c overrides this */ |
| static const void *dummy[1] = { 0 }; |
| weak_alias(dummy, __pthread_tsd_main); |
| |
| static int init_main_thread() |
| { |
| __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, |
| SIGPT_SET, 0, __SYSCALL_SSLEN); |
| if (__set_thread_area(&main_thread) < 0) return -1; |
| main_thread.canceldisable = libc.canceldisable; |
| main_thread.tsd = (void **)__pthread_tsd_main; |
| main_thread.errno_ptr = __errno_location(); |
| main_thread.self = &main_thread; |
| main_thread.tid = main_thread.pid = |
| __syscall(SYS_set_tid_address, &main_thread.tid); |
| libc.main_thread = &main_thread; |
| return 0; |
| } |
| |
| pthread_t __pthread_self_def() |
| { |
| static int init, failed; |
| if (!init) { |
| if (failed) return 0; |
| if (init_main_thread() < 0) failed = 1; |
| if (failed) return 0; |
| init = 1; |
| } |
| return __pthread_self(); |
| } |
| |
| weak_alias(__pthread_self_def, pthread_self); |
| weak_alias(__pthread_self_def, __pthread_self_init); |