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From c6cd600f859960c6e22a7e1c8b3d9ba92021e63a Mon Sep 17 00:00:00 2001
From: Chen Qi <Qi.Chen@windriver.com>
Date: Mon, 25 Feb 2019 15:03:47 +0800
Subject: [PATCH] fix missing of __register_atfork for non-glibc builds
Upstream-Status: Inappropriate [musl specific]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
---
src/basic/process-util.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/basic/process-util.c b/src/basic/process-util.c
index 14259ea8df..18681838ef 100644
--- a/src/basic/process-util.c
+++ b/src/basic/process-util.c
@@ -18,6 +18,9 @@
#if HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
#endif
+#ifndef __GLIBC__
+#include <pthread.h>
+#endif
#include "alloc-util.h"
#include "architecture.h"
@@ -1202,11 +1205,15 @@ void reset_cached_pid(void) {
cached_pid = CACHED_PID_UNSET;
}
+#ifdef __GLIBC__
/* We use glibc __register_atfork() + __dso_handle directly here, as they are not included in the glibc
* headers. __register_atfork() is mostly equivalent to pthread_atfork(), but doesn't require us to link against
* libpthread, as it is part of glibc anyway. */
extern int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void *dso_handle);
extern void* __dso_handle _weak_;
+#else
+#define __register_atfork(prepare,parent,child,dso) pthread_atfork(prepare,parent,child)
+#endif
pid_t getpid_cached(void) {
static bool installed = false;
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