X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_self.c;h=a8cc80b50b1c30c2de4c484c6773857f3a940750;hb=a5d6199d091aad750b1fc325240a141a88ee770e;hp=686d73d598faa52b4c63507dd16221c79f6ba574;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c index 686d73d5..a8cc80b5 100644 --- a/src/thread/pthread_self.c +++ b/src/thread/pthread_self.c @@ -2,31 +2,26 @@ static struct pthread main_thread; -#undef errno -static int *errno_location() -{ - return pthread_self()->errno_ptr; -} +/* pthread_key_create.c overrides this */ +static const void *dummy[1] = { 0 }; +weak_alias(dummy, __pthread_tsd_main); static int init_main_thread() { - main_thread.tlsdesc[0] = -1; - main_thread.tlsdesc[1] = (long)&main_thread; - main_thread.tlsdesc[2] = SIZE_MAX/PAGE_SIZE; - main_thread.tlsdesc[3] = 0x51; - main_thread.self = &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(); - if (__set_thread_area(main_thread.tlsdesc) < 0) - return -1; - syscall1(__NR_set_tid_address, (long)&main_thread.tid); - libc.errno_location = errno_location; - main_thread.tid = main_thread.pid = getpid(); + 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; } -#undef pthread_self - -pthread_t pthread_self() +pthread_t __pthread_self_def() { static int init, failed; if (!init) { @@ -37,3 +32,6 @@ pthread_t pthread_self() } return __pthread_self(); } + +weak_alias(__pthread_self_def, pthread_self); +weak_alias(__pthread_self_def, __pthread_self_init);