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mips clone: don't free stack space used to copy arg
[musl]
/
src
/
exit
/
exit.c
diff --git
a/src/exit/exit.c
b/src/exit/exit.c
index
d0c1bfc
..
e4aeaf1
100644
(file)
--- a/
src/exit/exit.c
+++ b/
src/exit/exit.c
@@
-2,26
+2,30
@@
#include <unistd.h>
#include <stdio.h>
#include "libc.h"
#include <unistd.h>
#include <stdio.h>
#include "libc.h"
+#include "atomic.h"
+#include "syscall.h"
-/* __overflow.c and atexit.c override these */
-static int (*const dummy)() = 0;
+static void dummy()
+{
+}
+
+/* __toread.c, __towrite.c, and atexit.c override these */
weak_alias(dummy, __funcs_on_exit);
weak_alias(dummy, __funcs_on_exit);
-weak_alias(dummy, __fflush_on_exit);
+weak_alias(dummy, __flush_on_exit);
+weak_alias(dummy, __seek_on_exit);
void exit(int code)
{
static int lock;
/* If more than one thread calls exit, hang until _Exit ends it all */
void exit(int code)
{
static int lock;
/* If more than one thread calls exit, hang until _Exit ends it all */
- LOCK(&lock);
-
- /* Only do atexit & stdio flush if they were actually used */
- if (__funcs_on_exit) __funcs_on_exit();
- if (__fflush_on_exit) __fflush_on_exit(0);
+ while (a_swap(&lock, 1)) __syscall(SYS_pause);
- /* Destructor s**t is kept separate from atexit to avoid bloat */
+ __funcs_on_exit();
if (libc.fini) libc.fini();
if (libc.ldso_fini) libc.ldso_fini();
if (libc.fini) libc.fini();
if (libc.ldso_fini) libc.ldso_fini();
+ __flush_on_exit();
+ __seek_on_exit();
_Exit(code);
for(;;);
_Exit(code);
for(;;);