File system project updates:

[pintos-anon] / src / lib / user / syscall.h

diff --git a/src/lib/user/syscall.h b/src/lib/user/syscall.h
index c2941087faa09de8dca3c6f434fbcf0f35aea99f..d9487d3df7b73ad67872be69dae90697990095f3 100644 (file)
--- a/src/lib/user/syscall.h
+++ b/src/lib/user/syscall.h
@@ -10,6 +10,8 @@ typedef int pid_t;
 typedef int mapid_t;
 #define MAP_FAILED ((mapid_t) -1)
 
+#define READDIR_MAX_LEN 14
+
 void halt (void) NO_RETURN;
 void exit (int status) NO_RETURN;
 pid_t exec (const char *file);
@@ -24,9 +26,11 @@ void seek (int fd, unsigned position);
 unsigned tell (int fd);
 void close (int fd);
 mapid_t mmap (int fd, void *addr);
-bool munmap (mapid_t);
+void munmap (mapid_t);
 bool chdir (const char *dir);
 bool mkdir (const char *dir);
-void lsdir (void);
+bool readdir (int fd, char name[READDIR_MAX_LEN + 1]);
+bool isdir (int fd);
+int inumber (int fd);
 
 #endif /* lib/user/syscall.h */