From e33f6354c3aa06745857921e64a0aafeac7aee41 Mon Sep 17 00:00:00 2001
From: Juan RP <xtraeme@voidlinux.eu>
Date: Thu, 4 Feb 2016 11:39:02 +0100
Subject: [PATCH] Execute pkg scripts via posix_spawn(3).

---
 NEWS                 | 3 +++
 lib/external/fexec.c | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index 9cf575e2..31ad8aed 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 xbps-0.52 (???):
 
+ * libxbps: package INSTALL/REMOVE scripts are now executed via
+   posix_spawn(3), replacing vfork(3).
+
  * libxbps: package INSTALL/REMOVE scripts do not need to be executables
    anymore because they are executed with "/bin/sh" directly. That means
    "/tmp" can be mounted as "noexec". Fixed #149 correctly.
diff --git a/lib/external/fexec.c b/lib/external/fexec.c
index 00eff213..cc2cf166 100644
--- a/lib/external/fexec.c
+++ b/lib/external/fexec.c
@@ -37,6 +37,7 @@
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
+#include <spawn.h>
 
 #undef _DEFAULT_SOURCE
 #undef _BSD_SOURCE
@@ -48,7 +49,10 @@ pfcexec(struct xbps_handle *xhp, const char *file, const char **argv)
 	pid_t child;
 	int status;
 
-	child = vfork();
+	if (posix_spawn(&child, file, NULL, NULL,
+			(char* const*)__UNCONST(argv), NULL) != 0)
+		return -1;
+
 	switch (child) {
 	case 0:
 		/*