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From d8872a3274bb6d5b0ab327c4b85792009970c841 Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Tue, 27 May 2014 15:20:28 +0200
Subject: [PATCH] Only use POSIX_SPAWN_USEVFORK if defined or if GNU libc
musl libc does not have it
fixes #54
---
ext/posix-spawn.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/ext/posix-spawn.c b/ext/posix-spawn.c
index 501423d..29101f8 100644
--- a/ext/posix-spawn.c
+++ b/ext/posix-spawn.c
@@ -396,9 +396,9 @@ rb_posixspawn_pspawn(VALUE self, VALUE env, VALUE argv, VALUE options)
sigemptyset(&mask);
posix_spawnattr_setsigmask(&attr, &mask);
-#if defined(POSIX_SPAWN_USEVFORK) || defined(__linux__)
- /* Force USEVFORK on linux. If this is undefined, it's probably because
- * you forgot to define _GNU_SOURCE at the top of this file.
+#if defined(POSIX_SPAWN_USEVFORK) || defined(__GLIBC__)
+ /* Force USEVFORK on GNU libc. If this is undefined, it's probably
+ * because you forgot to define _GNU_SOURCE at the top of this file.
*/
flags |= POSIX_SPAWN_USEVFORK;
#endif
--
1.9.3
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