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-rw-r--r--src/thread/pthread_atfork.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/thread/pthread_atfork.c b/src/thread/pthread_atfork.c
index 76497401..6d348ac8 100644
--- a/src/thread/pthread_atfork.c
+++ b/src/thread/pthread_atfork.c
@@ -1,4 +1,5 @@
 #include <pthread.h>
+#include <errno.h>
 #include "libc.h"
 #include "lock.h"
 
@@ -34,7 +35,7 @@ void __fork_handler(int who)
 int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void))
 {
 	struct atfork_funcs *new = malloc(sizeof *new);
-	if (!new) return -1;
+	if (!new) return ENOMEM;
 
 	LOCK(lock);
 	new->next = funcs;