remove mmap

git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@411 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

4 files changed, 8 insertions, 25 deletions

diff --git a/include/proto.h b/include/proto.h
index 2f916219..5e3d8f91 100644
--- a/include/proto.h
+++ b/include/proto.h
@@ -1,4 +1,4 @@
-/* $Id: proto.h,v 1.23 2002/06/26 09:51:33 ptt Exp $ */
+/* $Id: proto.h,v 1.24 2002/07/04 19:46:14 in2 Exp $ */
 #ifndef INCLUDE_PROTO_H
 #define INCLUDE_PROTO_H
 
@@ -550,7 +550,7 @@ int Goodbye();
 unsigned StringHash(unsigned char *s);
 
 /* passwd */
-int passwd_mmap();
+int passwd_init();
 int passwd_update(int num, userec_t *buf);
 int passwd_query(int num, userec_t *buf);
 int passwd_apply(int (*fptr)(userec_t *));
diff --git a/mbbsd/cache.c b/mbbsd/cache.c
index 9b14eb8a..206b39e3 100644
--- a/mbbsd/cache.c
+++ b/mbbsd/cache.c
@@ -1,4 +1,4 @@
-/* $Id: cache.c,v 1.39 2002/06/26 01:55:30 in2 Exp $ */
+/* $Id: cache.c,v 1.40 2002/07/04 19:46:16 in2 Exp $ */
 #include "bbs.h"
 
 #ifndef __FreeBSD__
@@ -56,19 +56,6 @@ void *attach_shm(int shmkey, int shmsize) {
     void *shmptr;
     int shmid;
 
-    char *empty_addr;
-    /* set up one page in-accessible -- jochang */
-    {
-	int fd = open("/dev/zero",O_RDONLY);
-	int size = ((shmsize + 4095) / 4096) * 4096;
-	
-	munmap(
-	    (empty_addr=mmap(0,4096+size,PROT_NONE,MAP_PRIVATE,fd,0))+4096
-	    ,size);
-	
-	close(fd);
-    }
-    
     shmid = shmget(shmkey, shmsize, 0);
     if(shmid < 0) {
 	shmid = shmget(shmkey, shmsize, IPC_CREAT | 0600);
@@ -83,10 +70,6 @@ void *attach_shm(int shmkey, int shmsize) {
 	    attach_err(shmkey, "shmat");
     }
     
-    /* unmap the page -- jochang */
-    {
-	munmap(empty_addr,4096);		
-    }
     return shmptr;
 }
 
diff --git a/mbbsd/mbbsd.c b/mbbsd/mbbsd.c
index 2b33fc2c..ae560338 100644
--- a/mbbsd/mbbsd.c
+++ b/mbbsd/mbbsd.c
@@ -1,4 +1,4 @@
-/* $Id: mbbsd.c,v 1.36 2002/06/30 14:33:14 in2 Exp $ */
+/* $Id: mbbsd.c,v 1.37 2002/07/04 19:46:16 in2 Exp $ */
 #include "bbs.h"
 
 #define SOCKET_QLEN 4
@@ -956,8 +956,8 @@ start_client ()
     
     dup2 (0, 1);
 
-    /* mmap passwd file */
-    if (passwd_mmap ())
+    /* initialize passwd semaphores */
+    if( passwd_init() )
 	exit (1);
     
     do_term_init ();
diff --git a/mbbsd/passwd.c b/mbbsd/passwd.c
index 4291fa3e..06a26d32 100644
--- a/mbbsd/passwd.c
+++ b/mbbsd/passwd.c
@@ -1,4 +1,4 @@
-/* $Id: passwd.c,v 1.5 2002/07/02 19:17:31 in2 Exp $ */
+/* $Id: passwd.c,v 1.6 2002/07/04 19:46:16 in2 Exp $ */
 #include "bbs.h"
 
 static int semid = -1;
@@ -20,7 +20,7 @@ union semun {
 };
 #endif
 
-int passwd_mmap() {
+int passwd_init() {
     semid = semget(PASSWDSEM_KEY, 1, SEM_R | SEM_A | IPC_CREAT | IPC_EXCL);
     if(semid == -1) {
 	if(errno == EEXIST) {