From bb439bb17108b67f3df9c9af824d3a607b5b059d Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 22 Apr 2017 18:39:40 -0400 Subject: [PATCH] implement new posix_spawn flag POSIX_SPAWN_SETSID this functionality has been adopted for inclusion in the next issue of POSIX as the result of Austin Group issue #1044. based on patch by Daurnimator. --- 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..f3e9e23c 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 128 typedef struct { int __flags; diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c index 0bdf71cd..ea5d2998 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)) < 0) + goto fail; + if (attr->__flags & POSIX_SPAWN_SETPGROUP) if ((ret=__syscall(SYS_setpgid, 0, attr->__pgrp))) goto fail;