1 #include "pthread_impl.h"
3 static struct pthread main_thread;
5 /* pthread_key_create.c overrides this */
6 static const size_t dummy = 0;
7 weak_alias(dummy, __pthread_tsd_size);
10 static int *errno_location()
12 return __pthread_self()->errno_ptr;
15 static int init_main_thread()
18 if (__pthread_tsd_size) {
19 tsd = mmap(0, __pthread_tsd_size, PROT_READ|PROT_WRITE,
20 MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
21 if (tsd == MAP_FAILED) return -1;
23 main_thread.tsd = tsd;
24 main_thread.self = &main_thread;
25 if (__set_thread_area(&main_thread) < 0)
27 main_thread.errno_ptr = __errno_location();
28 libc.errno_location = errno_location;
29 main_thread.tid = main_thread.pid =
30 syscall(SYS_set_tid_address, &main_thread.tid);
34 pthread_t pthread_self()
36 static int init, failed;
39 if (init_main_thread() < 0) failed = 1;
43 return __pthread_self();