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optimize pthread initialization 

the set_tid_address returns the tid (which is also the pid when called
from the initial thread) so there is no need to make a separate
syscall to get pid/tid.
This commit is contained in:
Rich Felker 2011-03-09 20:21:23 -05:00
parent 0bed7e0acf
commit 6dc05fbe19
1 changed files with 2 additions and 2 deletions
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4
src/thread/pthread_self.c
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@ -24,10 +24,10 @@ 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();
main_thread.tid = main_thread.pid =
syscall1(__NR_set_tid_address, (long)&main_thread.tid);
return 0;
}