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 a594016cb1ff1db565f5739a97169f873d00167a..d9487d3df7b73ad67872be69dae90697990095f3 100644 (file)
--- a/src/lib/user/syscall.h
+++ b/src/lib/user/syscall.h
@@ -5,22 +5,32 @@
 #include <debug.h>
 
 typedef int pid_t;
+#define PID_ERROR ((pid_t) -1)
+
+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);
-int join (pid_t);
-bool create (const char *file);
+int wait (pid_t);
+bool create (const char *file, unsigned initial_size);
 bool remove (const char *file);
 int open (const char *file);
 int filesize (int fd);
 int read (int fd, void *buffer, unsigned length);
 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);
+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 */