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| author | Rich Felker <dalias@aerifal.cx> | 2011-03-09 20:21:23 -0500 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-03-09 20:21:23 -0500 |
| commit | 6dc05fbe198ccb326dceb8f05ee943f9a4dfb4ba (patch) | |
| tree | 208a7b8da2bd16000f4b1d7343a91cf267dda055 /src/thread/pthread_self.c | |
| parent | 0bed7e0acfd34e3fb63ca0e4d99b7592571355a9 (diff) | |
| download | musl-6dc05fbe198ccb326dceb8f05ee943f9a4dfb4ba.tar.gz musl-6dc05fbe198ccb326dceb8f05ee943f9a4dfb4ba.tar.xz musl-6dc05fbe198ccb326dceb8f05ee943f9a4dfb4ba.zip | |
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.
Diffstat (limited to 'src/thread/pthread_self.c')
| -rw-r--r-- | src/thread/pthread_self.c | 4 |
1 files changed, 2 insertions, 2 deletions
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; } |