Update mmap() tests.

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

diff --git a/src/lib/user/syscall.h b/src/lib/user/syscall.h
index d0a22500dd8f36f7090ca57ee23173ff85ecfff4..147252531bb0db74ae12bd74d378a25ea02bbebf 100644 (file)
--- a/src/lib/user/syscall.h
+++ b/src/lib/user/syscall.h
@@ -5,6 +5,10 @@
 #include <debug.h>
 
 typedef int pid_t;
+#define PID_ERROR ((pid_t) -1)
+
+typedef int mapid_t;
+#define MAP_FAILED ((mapid_t) -1)
 
 void halt (void) NO_RETURN;
 void exit (int status) NO_RETURN;
@@ -19,8 +23,8 @@ int write (int fd, const void *buffer, unsigned length);
 void seek (int fd, unsigned position);
 unsigned tell (int fd);
 void close (int fd);
-bool mmap (int fd, void *addr, unsigned length);
-bool munmap (void *addr, unsigned length);
+mapid_t mmap (int fd, void *addr);
+bool munmap (mapid_t);
 bool chdir (const char *dir);
 bool mkdir (const char *dir);
 void lsdir (void);