X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fmman%2Fmunmap.c;h=91aefd407f5071e348dc020aa98c3719bb6b8931;hp=ab7da9e2013111f3d4494968361db2a8a935f812;hb=60164570111873175111cf8a5b973375e492eee9;hpb=3f39c9b3130cd6c142d358159879b799370a6663

diff --git a/src/mman/munmap.c b/src/mman/munmap.c
index ab7da9e2..91aefd40 100644
--- a/src/mman/munmap.c
+++ b/src/mman/munmap.c
@@ -3,9 +3,18 @@
 #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 syscall(SYS_munmap, start, len);
+	int ret;
+	__vm_lock(-1);
+	ret = syscall(SYS_munmap, start, len);
+	__vm_unlock();
+	return ret;
 }
 
 weak_alias(__munmap, munmap);