From c3403048ab4f47341514d1e37f06984f441cae76 Mon Sep 17 00:00:00 2001 From: in2 Date: Fri, 18 Feb 2005 13:35:47 +0000 Subject: background load bottom after sort_bcache() or damage whole system, especially sites with large number of boards or slow hdds. git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@2519 63ad8ddf-47c3-0310-b6dd-a9e9d9715204 --- mbbsd/cache.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) (limited to 'mbbsd/cache.c') diff --git a/mbbsd/cache.c b/mbbsd/cache.c index c29f3a42..469acc46 100644 --- a/mbbsd/cache.c +++ b/mbbsd/cache.c @@ -540,6 +540,7 @@ void reload_bcache(void) { int i, fd; + pid_t pid; for( i = 0 ; i < 10 && SHM->Bbusystate ; ++i ){ printf("SHM->Bbusystate is currently locked (value: %d). " "please wait... ", SHM->Bbusystate); @@ -556,6 +557,16 @@ reload_bcache(void) memset(SHM->lastposttime, 0, MAX_BOARD * sizeof(time4_t)); memset(SHM->total, 0, MAX_BOARD * sizeof(int)); + /* 等所有 boards 資料更新後再設定 uptime */ + SHM->Buptime = SHM->Btouchtime; + log_usies("CACHE", "reload bcache"); + SHM->Bbusystate = 0; + sort_bcache(); + + printf("load bottom in background"); + if( (pid = fork()) > 0 ) + return; + setproctitle("loading bottom"); for( i = 0 ; i < MAX_BOARD ; ++i ) if( SHM->bcache[i].brdname[0] ){ char fn[128]; @@ -568,12 +579,9 @@ reload_bcache(void) n = 5; SHM->n_bottom[i] = n; } - - /* 等所有 boards 資料更新後再設定 uptime */ - SHM->Buptime = SHM->Btouchtime; - log_usies("CACHE", "reload bcache"); - SHM->Bbusystate = 0; - sort_bcache(); + if( pid == 0 ) + exit(0); + // if pid == -1 should be returned } void resolve_boards(void) -- cgit v1.2.3