From: Rich Felker <dalias@aerifal.cx>
Date: Sun, 21 Oct 2012 17:23:03 +0000 (-0400)
Subject: fix copy/paste error in popen changes that broke signals
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=f1b23d41cff432a8d0939af427fa005b4a4f95d7

fix copy/paste error in popen changes that broke signals

signal mask was not being restored after fork, but instead blocked again.
---

diff --git a/src/stdio/popen.c b/src/stdio/popen.c
index 5a47509e..ca3cdf9d 100644
--- a/src/stdio/popen.c
+++ b/src/stdio/popen.c
@@ -42,7 +42,7 @@ FILE *popen(const char *cmd, const char *mode)
 	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;