fix broken thread list unlocking after fork

[musl] / src / signal / sighold.c

diff --git a/src/signal/sighold.c b/src/signal/sighold.c
index 992812f..cfa2306 100644 (file)
--- a/src/signal/sighold.c
+++ b/src/signal/sighold.c
@@ -1,5 +1,4 @@
 #include <signal.h>
-#include <stddef.h>
 
 int sighold(int sig)
 {
@@ -7,5 +6,5 @@ int sighold(int sig)
 
        sigemptyset(&mask);
        if (sigaddset(&mask, sig) < 0) return -1;
-       return sigprocmask(SIG_BLOCK, &mask, NULL);
+       return sigprocmask(SIG_BLOCK, &mask, 0);
 }