X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_self.c;h=23dbaa5eb805ccbcf65d9e1772b9ab6cabb52853;hp=3a4d4c581267e9f669ede16476cb69244ca21cae;hb=ac562aa1ef4012f617583f474a8d8e5c972ed6ee;hpb=7b2dd2235dd0db3a2f71e25d1c0925e0348e1996 diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c index 3a4d4c58..23dbaa5e 100644 --- a/src/thread/pthread_self.c +++ b/src/thread/pthread_self.c @@ -1,26 +1,27 @@ #include "pthread_impl.h" -static struct pthread main_thread; +static struct pthread *main_thread = &(struct pthread){0}; -#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.self = &main_thread; - if (__set_thread_area(&main_thread) < 0) - return -1; - syscall1(__NR_set_tid_address, (long)&main_thread.tid); - main_thread.errno_ptr = __errno_location(); - libc.errno_location = errno_location; - main_thread.tid = main_thread.pid = getpid(); + __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, + SIGPT_SET, 0, __SYSCALL_SSLEN); + if (__set_thread_area(TP_ADJ(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() +pthread_t __pthread_self_def() { static int init, failed; if (!init) { @@ -31,3 +32,12 @@ pthread_t pthread_self() } return __pthread_self(); } + +weak_alias(__pthread_self_def, pthread_self); +weak_alias(__pthread_self_def, __pthread_self_init); + +void *__install_initial_tls(void *p) +{ + main_thread = p; + return __pthread_self_def(); +}