main/musl: cherry-pick upstream fixes, add strftime gnu extensions

ref #5907

1 files changed, 44 insertions, 0 deletions

diff --git a/main/musl/0036-implement-new-posix_spawn-flag-POSIX_SPAWN_SETSID.patch b/main/musl/0036-implement-new-posix_spawn-flag-POSIX_SPAWN_SETSID.patch
new file mode 100644
index 0000000000..4e39d63697
--- /dev/null
+++ b/main/musl/0036-implement-new-posix_spawn-flag-POSIX_SPAWN_SETSID.patch
@@ -0,0 +1,44 @@
+From bb439bb17108b67f3df9c9af824d3a607b5b059d Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+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;
+-- 
+2.13.0
+