X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flib%2Fuser%2Fsyscall.h;h=c2941087faa09de8dca3c6f434fbcf0f35aea99f;hb=2cfc156c39840ce7f1cda6b473de1322691a8a0b;hp=188576d35edbe205507fa2d61e6dc4644014be87;hpb=8a0c402207a9c4b0dc58f417ae3bc169c6f62f0f;p=pintos-anon

diff --git a/src/lib/user/syscall.h b/src/lib/user/syscall.h
index 188576d..c294108 100644
--- a/src/lib/user/syscall.h
+++ b/src/lib/user/syscall.h
@@ -7,10 +7,13 @@
 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;
 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);
@@ -20,8 +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);