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don't use pthread_once when there is no danger in race
[musl]
/
src
/
thread
/
cancel_impl.c
diff --git
a/src/thread/cancel_impl.c
b/src/thread/cancel_impl.c
index
28dc84d
..
7bcfaef
100644
(file)
--- a/
src/thread/cancel_impl.c
+++ b/
src/thread/cancel_impl.c
@@
-71,8
+71,11
@@
static void init_cancellation()
int pthread_cancel(pthread_t t)
{
- static pthread_once_t once;
- pthread_once(&once, init_cancellation);
+ static int init;
+ if (!init) {
+ init_cancellation();
+ init = 1;
+ }
a_store(&t->cancel, 1);
return pthread_kill(t, SIGCANCEL);
}