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authorEric Andersen <andersen@codepoet.org>2005-01-23 11:27:02 +0000
committerEric Andersen <andersen@codepoet.org>2005-01-23 11:27:02 +0000
commit610c850501ff9d21d06b4a9942f2cfd2c347619e (patch)
tree1dc405281419ef5387c102e2946a853baf26af68 /libc/sysdeps
parent13284bb0b24bd0a3ac7f3ac1033baedcfd0a7927 (diff)
When there is no umount syscall, but umount2 is available, then
try to emulate umount() using umount2()
Diffstat (limited to 'libc/sysdeps')
-rw-r--r--libc/sysdeps/linux/common/umount.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/umount.c b/libc/sysdeps/linux/common/umount.c
index 6457ddf30..f4eb8c64e 100644
--- a/libc/sysdeps/linux/common/umount.c
+++ b/libc/sysdeps/linux/common/umount.c
@@ -12,6 +12,13 @@
#ifdef __NR_umount /* Some newer archs only have umount2 */
#include <sys/mount.h>
_syscall1(int, umount, const char *, specialfile);
+#elif defined __NR_umount2
+/* No umount syscall, but umount2 is available.... Try to
+ * emulate umount() using umount2() */
+int umount(const char *special_file, int flags)
+{
+ return _syscall2(int, umount2, const char *, special_file, int, flags);
+}
#else
int umount(const char *special_file)
{