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Make mmap use segment IDs.
[pintos-anon]
/
src
/
lib
/
user
/
syscall.h
diff --git
a/src/lib/user/syscall.h
b/src/lib/user/syscall.h
index 188576d35edbe205507fa2d61e6dc4644014be87..f6294667428490acd3debb417c7c369981ca7a17 100644
(file)
--- a/
src/lib/user/syscall.h
+++ b/
src/lib/user/syscall.h
@@
-7,6
+7,9
@@
typedef int pid_t;
#define PID_ERROR ((pid_t) -1)
typedef int pid_t;
#define PID_ERROR ((pid_t) -1)
+typedef int mapid_t;
+#define MAPID_ERROR ((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);
@@
-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);
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);
bool chdir (const char *dir);
bool mkdir (const char *dir);
void lsdir (void);