diff options
| -rw-r--r-- | include/sys/file.h | 11 | ||||
| -rw-r--r-- | lib/libc/sys/Kbuild | 1 | ||||
| -rw-r--r-- | lib/libc/sys/flock.c | 6 |
3 files changed, 18 insertions, 0 deletions
diff --git a/include/sys/file.h b/include/sys/file.h new file mode 100644 index 00000000..0fa1e73d --- /dev/null +++ b/include/sys/file.h @@ -0,0 +1,11 @@ +#ifndef __SYS_FILE_H +#define __SYS_FILE_H + +#define LOCK_SH 1 +#define LOCK_EX 2 +#define LOCK_NB 4 +#define LOCK_UN 8 + +extern int flock(int, int); + +#endif diff --git a/lib/libc/sys/Kbuild b/lib/libc/sys/Kbuild index 7e371981..caaf922a 100644 --- a/lib/libc/sys/Kbuild +++ b/lib/libc/sys/Kbuild @@ -11,3 +11,4 @@ obj-y += reboot.o obj-y += sysinfo.o obj-y += umount.o obj-y += umount2.o +obj-y += flock.o diff --git a/lib/libc/sys/flock.c b/lib/libc/sys/flock.c new file mode 100644 index 00000000..4a1ec923 --- /dev/null +++ b/lib/libc/sys/flock.c @@ -0,0 +1,6 @@ +#include <syscall.h> + +int flock(int fildes, int opcode) +{ + return syscall(flock, fildes, opcode); +} |