From c5cbdacb8acec54e140c879393c8c7dd658c3488 Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed, 13 Nov 2019 13:30:46 -0300
Subject: Implement wait in terms of waitpid

The POSIX implementation is used as default and both BSD and Linux
version are removed.  It simplifies the implementation for
architectures that do not provide either __NR_waitpid or
__NR_wait4.

Checked on x86_64-linux-gnu and powerpc64le-linux-gnu.
---
 posix/wait.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

(limited to 'posix')

diff --git a/posix/wait.c b/posix/wait.c
index 0acd1e4926..57064726f0 100644
--- a/posix/wait.c
+++ b/posix/wait.c
@@ -16,16 +16,12 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <sys/wait.h>
-#include <errno.h>
 
 /* Wait for a child to die.  When one does, put its status in *STAT_LOC
    and return its process ID.  For errors, return (pid_t) -1.  */
 __pid_t
 __wait (int *stat_loc)
 {
-  __set_errno (ENOSYS);
-  return -1;
+  return __waitpid (WAIT_ANY, stat_loc, 0);
 }
-stub_warning (wait)
-
 weak_alias (__wait, wait)
-- 
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