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| author | Rich Felker <dalias@aerifal.cx> | 2013-06-03 16:35:59 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2013-06-03 16:35:59 -0400 |
| commit | 44b4d09fc0626541ca12cf96f65adc21ab1fc413 (patch) | |
| tree | 5ef32eaf4dc0e507a69fb9bb4cca14d8b2cab35a /src/thread/pthread_self.c | |
| parent | d9265653552a2b667bf3e84407a06edaa7e9f74f (diff) | |
| download | musl-44b4d09fc0626541ca12cf96f65adc21ab1fc413.tar.gz musl-44b4d09fc0626541ca12cf96f65adc21ab1fc413.tar.xz musl-44b4d09fc0626541ca12cf96f65adc21ab1fc413.zip | |
ensure that thread dtv pointer is never null to optimize __tls_get_addr
Diffstat (limited to 'src/thread/pthread_self.c')
| -rw-r--r-- | src/thread/pthread_self.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c index c50a2fb5..aed4b5f1 100644 --- a/src/thread/pthread_self.c +++ b/src/thread/pthread_self.c @@ -17,6 +17,8 @@ static int init_main_thread() main_thread->self = main_thread; main_thread->tid = main_thread->pid = __syscall(SYS_set_tid_address, &main_thread->tid); + if (!main_thread->dtv) + main_thread->dtv = (void *)dummy; libc.main_thread = main_thread; return 0; } |