X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fpopen.c;h=ed20f5a1f017c4415303940e435ce61b9caff7b1;hb=b0302863a36ef6ad24bd25e3ef4df74b9a56980d;hp=0c9f24e3062da16aab72a9369a750f94b2c19b75;hpb=44eb4d8b9b7b3b539bcd4e311e9d7c8e2acf8d80;p=musl

diff --git a/src/stdio/popen.c b/src/stdio/popen.c
index 0c9f24e3..ed20f5a1 100644
--- a/src/stdio/popen.c
+++ b/src/stdio/popen.c
@@ -1,4 +1,7 @@
 #include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
 #include "stdio_impl.h"
 #include "pthread_impl.h"
 #include "syscall.h"
@@ -38,11 +41,11 @@ FILE *popen(const char *cmd, const char *mode)
 	
 	__acquire_ptc();
 	pid = __vfork();
-	__release_ptc();
 
 	if (pid) {
+		__release_ptc();
 		__syscall(SYS_close, p[1-op]);
-		sigprocmask(SIG_BLOCK, SIGALL_SET, &old);
+		sigprocmask(SIG_SETMASK, &old, 0);
 		if (pid < 0) {
 			fclose(f);
 			return 0;