From 6dc05fbe198ccb326dceb8f05ee943f9a4dfb4ba Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Wed, 9 Mar 2011 20:21:23 -0500 Subject: 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. --- src/thread/pthread_self.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c index 028d387b..d2de2cb8 100644 --- a/src/thread/pthread_self.c +++ b/src/thread/pthread_self.c @@ -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; } -- cgit v1.2.1