diff options
| -rw-r--r-- | libc/sysdeps/linux/common/umount.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/umount.c b/libc/sysdeps/linux/common/umount.c index d8e890d8b..158aefc5f 100644 --- a/libc/sysdeps/linux/common/umount.c +++ b/libc/sysdeps/linux/common/umount.c @@ -9,26 +9,33 @@ #include "syscalls.h" -#ifdef __NR_umount /* Some newer archs only have umount2 */ + +/* arch provides umount() syscall */ +#ifdef __NR_umount + #include <sys/mount.h> _syscall1(int, umount, const char *, specialfile); + +/* arch provides umount2() syscall */ #elif defined __NR_umount2 -/* No umount syscall, but umount2 is available.... Try to - * emulate umount() using umount2() */ #define __NR___syscall_umount2 __NR_umount2 -static inline _syscall2(int, umount2, const char *, special_file, int, flags); +static inline _syscall2(int, __syscall_umount2, const char *, special_file, int, flags); int umount(const char *special_file) { return (__syscall_umount2(special_file, 0)); } + +/* arch doesn't provide any umount syscall !? */ #else + int umount(const char *special_file) { __set_errno(ENOSYS); return -1; } + #endif |