X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fuser%2Fsyscall.h;h=340d1b15fea253155bbe30c50eb7bc9cb73ee383;hb=123ffab09a40b08fc381e1bd7e33077fe531d47f;hp=f6294667428490acd3debb417c7c369981ca7a17;hpb=2655ee80b0014689c2d8fffcf67e4d6b1546b298;p=pintos-anon

diff --git a/src/lib/user/syscall.h b/src/lib/user/syscall.h
index f629466..340d1b1 100644
--- a/src/lib/user/syscall.h
+++ b/src/lib/user/syscall.h
@@ -8,12 +8,14 @@ typedef int pid_t;
 #define PID_ERROR ((pid_t) -1)
 
 typedef int mapid_t;
-#define MAPID_ERROR ((mapid_t) -1)
+#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);
-int join (pid_t);
+int wait (pid_t);
 bool create (const char *file, unsigned initial_size);
 bool remove (const char *file);
 int open (const char *file);
@@ -24,9 +26,10 @@ 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);
 
 #endif /* lib/user/syscall.h */