From: David van Moolenbroek <david@minix3.org>
Date: Tue, 20 Dec 2016 14:46:42 +0000 (+0000)
Subject: libc: make posix_spawn(3) clean up child on failure
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch01.html?a=commitdiff_plain;h=1bb466dd36c0591122401dfd685782ec28865fc3;p=minix.git

libc: make posix_spawn(3) clean up child on failure

Change-Id: I39a321f23326485fca789e5792a57532d1036716
---

diff --git a/minix/lib/libc/sys/posix_spawn.c b/minix/lib/libc/sys/posix_spawn.c
index 0141fcafe..467fd5989 100644
--- a/minix/lib/libc/sys/posix_spawn.c
+++ b/minix/lib/libc/sys/posix_spawn.c
@@ -265,6 +265,9 @@ posix_spawn(pid_t * __restrict pid, const char * __restrict path,
 			error = errno;
 		close(pfd[0]);
 
+		if (error != 0)
+			(void)waitpid(p, NULL, 0);
+
 		if (pid != NULL)
 			*pid = p;
 		return error;