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-rw-r--r--coroutine-sigaltstack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/coroutine-sigaltstack.c b/coroutine-sigaltstack.c
index 7ff2d3379e..b2e316cea2 100644
--- a/coroutine-sigaltstack.c
+++ b/coroutine-sigaltstack.c
@@ -226,7 +226,7 @@ static Coroutine *coroutine_new(void)
* called.
*/
coTS->tr_called = 0;
- kill(getpid(), SIGUSR2);
+ pthread_kill(pthread_self(), SIGUSR2);
sigfillset(&sigs);
sigdelset(&sigs, SIGUSR2);
while (!coTS->tr_called) {