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Message-Id: <20170331050243.4485-1-quae@daurnimator.com>
Date: Fri, 31 Mar 2017 16:02:43 +1100
From: daurnimator <quae@...rnimator.com>
To: musl@...ts.openwall.com
Cc: daurnimator <quae@...rnimator.com>
Subject: [PATCH] add support for POSIX_SPAWN_SETSID
This patch adds support for the POSIX_SPAWN_SETSID flag.
It was recently accepted by the Austin Group:
http://austingroupbugs.net/view.php?id=1044
---
include/spawn.h | 1 +
src/process/posix_spawn.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/include/spawn.h b/include/spawn.h
index 29c799ee..7dee7cfa 100644
--- a/include/spawn.h
+++ b/include/spawn.h
@@ -21,6 +21,7 @@ struct sched_param;
#define POSIX_SPAWN_SETSIGMASK 8
#define POSIX_SPAWN_SETSCHEDPARAM 16
#define POSIX_SPAWN_SETSCHEDULER 32
+#define POSIX_SPAWN_SETSID 64
typedef struct {
int __flags;
diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c
index 0bdf71cd..03392ba8 100644
--- a/src/process/posix_spawn.c
+++ b/src/process/posix_spawn.c
@@ -73,6 +73,10 @@ static int child(void *args_vp)
__libc_sigaction(i, &sa, 0);
}
+ if (attr->__flags & POSIX_SPAWN_SETSID)
+ if ((ret=__syscall(SYS_setsid)))
+ goto fail;
+
if (attr->__flags & POSIX_SPAWN_SETPGROUP)
if ((ret=__syscall(SYS_setpgid, 0, attr->__pgrp)))
goto fail;
--
2.12.1
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