fix possible fd leak via missing O_CLOEXEC in pthread_setname_np

[musl] / src / mman / munmap.c

diff --git a/src/mman/munmap.c b/src/mman/munmap.c
index 8488d75..2bf83bb 100644 (file)
--- a/src/mman/munmap.c
+++ b/src/mman/munmap.c
@@ -1,19 +1,13 @@
 #include <sys/mman.h>
 #include "syscall.h"
-#include "libc.h"
 
-static void dummy1(int x) { }
-static void dummy0(void) { }
-weak_alias(dummy1, __vm_lock);
-weak_alias(dummy0, __vm_unlock);
+static void dummy(void) { }
+weak_alias(dummy, __vm_wait);
 
 int __munmap(void *start, size_t len)
 {
-       int ret;
-       __vm_lock(-1);
-       ret = syscall(SYS_munmap, start, len);
-       __vm_unlock();
-       return ret;
+       __vm_wait();
+       return syscall(SYS_munmap, start, len);
 }
 
 weak_alias(__munmap, munmap);