flock: add C library pieces

diff --git a/Library/include/sys/file.h b/Library/include/sys/file.h
index 89ad33d..d018b12 100644 (file)
--- a/Library/include/sys/file.h
+++ b/Library/include/sys/file.h
@@ -12,4 +12,11 @@
 
 #endif
 
+#define        LOCK_SH         0
+#define LOCK_EX                1
+#define LOCK_UN                2
+#define LOCK_NB                O_NDELAY
+
+extern int flock(int fd, int operation);
+
 #endif

diff --git a/Library/include/syscalls.h b/Library/include/syscalls.h
index 63bedab..a93958d 100644 (file)
--- a/Library/include/syscalls.h
+++ b/Library/include/syscalls.h
@@ -123,6 +123,7 @@ extern int waitpid(pid_t pid, int *status, int options);
 extern int uadmin(int cmd, int ctrl, void *ptr);
 extern int nice(int prio);
 extern int rename(const char *path, const char *newpath);
+extern int flock(int fd, int op);
 
 /* asm syscall hooks with C wrappers */
 extern int _getdirent(int fd, void *buf, int len);