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Don't pass "-nics 0" to qemu, because this option name has changed
[pintos-anon]
/
src
/
lib
/
user
/
syscall.h
diff --git
a/src/lib/user/syscall.h
b/src/lib/user/syscall.h
index c07f3ea6b7fa3bf93fc3edfaa3bdc2e54276b720..d03eae163ef371956b911277f75575637da18053 100644
(file)
--- a/
src/lib/user/syscall.h
+++ b/
src/lib/user/syscall.h
@@
-5,12
+5,16
@@
#include <debug.h>
typedef int pid_t;
#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;
pid_t exec (const char *file);
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);
bool remove (const char *file);
int open (const char *file);
int filesize (int fd);
@@
-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);
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 chdir (const char *dir);
bool mkdir (const char *dir);
void lsdir (void);