fix mips sigsetjmp asm to match fixed jmp_buf size

[musl] / src / mman / munmap.c

diff --git a/src/mman/munmap.c b/src/mman/munmap.c
index c9661cd..8488d75 100644 (file)
--- a/src/mman/munmap.c
+++ b/src/mman/munmap.c
@@ -1,11 +1,19 @@
-#include <unistd.h>
 #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);
+
 int __munmap(void *start, size_t len)
 {
-       return syscall2(__NR_munmap, (long)start, len);
+       int ret;
+       __vm_lock(-1);
+       ret = syscall(SYS_munmap, start, len);
+       __vm_unlock();
+       return ret;
 }
 
 weak_alias(__munmap, munmap);