X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_self.c;h=c3d1be78be66b62101dfcfba8a0cc8dc101800ca;hp=3a4d4c581267e9f669ede16476cb69244ca21cae;hb=aa398f56fa398f2202b04e82c67f822f3233786f;hpb=7b2dd2235dd0db3a2f71e25d1c0925e0348e1996 diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c index 3a4d4c58..c3d1be78 100644 --- a/src/thread/pthread_self.c +++ b/src/thread/pthread_self.c @@ -2,6 +2,10 @@ static struct pthread main_thread; +/* pthread_key_create.c overrides this */ +static const size_t dummy = 0; +weak_alias(dummy, __pthread_tsd_size); + #undef errno static int *errno_location() { @@ -10,13 +14,20 @@ static int *errno_location() static int init_main_thread() { + void *tsd = 0; + if (__pthread_tsd_size) { + tsd = mmap(0, __pthread_tsd_size, PROT_READ|PROT_WRITE, + MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + if (tsd == MAP_FAILED) return -1; + } + main_thread.tsd = tsd; 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(); + main_thread.tid = main_thread.pid = + syscall(SYS_set_tid_address, &main_thread.tid); return 0; }