diff options
| author | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-07-05 03:46:16 +0800 |
|---|---|---|
| committer | in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2002-07-05 03:46:16 +0800 |
| commit | 849e8bdccab33fa65d599b8f0bddf8819f499553 (patch) | |
| tree | a9376a18fae9b4774b68d28ec7b0a8061dc4128c /mbbsd/cache.c | |
| parent | d5c9ccc6c80d8aa8ed5ba8533ddfb9629c55b237 (diff) | |
| download | pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar.gz pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar.bz2 pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar.lz pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar.xz pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.tar.zst pttbbs-849e8bdccab33fa65d599b8f0bddf8819f499553.zip | |
remove mmap
git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@411 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd/cache.c')
| -rw-r--r-- | mbbsd/cache.c | 19 |
1 files changed, 1 insertions, 18 deletions
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; } |