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-rw-r--r--util/shmctl.c92
1 files changed, 57 insertions, 35 deletions
diff --git a/util/shmctl.c b/util/shmctl.c
index 4d9a96ee..e658c304 100644
--- a/util/shmctl.c
+++ b/util/shmctl.c
@@ -1,4 +1,4 @@
-/* $Id: shmctl.c,v 1.27 2002/11/03 07:48:51 in2 Exp $ */
+/* $Id: shmctl.c,v 1.28 2002/11/03 15:19:36 in2 Exp $ */
#include "bbs.h"
extern SHM_t *SHM;
@@ -40,11 +40,23 @@ void purge_utmp(userinfo_t *uentp)
//memset(uentp, 0, sizeof(userinfo_t));
}
+typedef struct {
+ int index;
+ int idle;
+} IDLE_t;
+
+int sfIDLE(const void *a, const void *b)
+{
+ return ((IDLE_t *)b)->idle - ((IDLE_t *)a)->idle;
+}
+
int utmpfix(int argc, char **argv)
{
int i, fast = 0, lowerbound = 100, nownum = SHM->UTMPnumber;
+ int which, nactive = 0;
time_t now, timeout = -1;
char *clean, buf[1024], ch;
+ IDLE_t idle[USHM_SIZE];
while( (ch = getopt(argc, argv, "nt:l:")) != -1 )
switch( ch ){
@@ -62,7 +74,6 @@ int utmpfix(int argc, char **argv)
return 1;
}
- time(&now);
for( i = 0 ; i < 5 ; ++i )
if( !SHM->UTMPbusystate )
break;
@@ -71,45 +82,56 @@ int utmpfix(int argc, char **argv)
sleep(1);
}
- printf("starting scaning... %s \n", (fast ? "(fast mode)" : ""));
SHM->UTMPbusystate = 1;
- for( i = 0 ; i < USHM_SIZE ; ++i )
- if( SHM->uinfo[i].pid ){
- clean = NULL;
- if( !isalpha(SHM->uinfo[i].userid[0]) )
- clean = "userid error";
- else if( kill(SHM->uinfo[i].pid, 0) < 0 ){
- clean = "process error";
- purge_utmp(&SHM->uinfo[i]);
+ printf("starting scaning... %s \n", (fast ? "(fast mode)" : ""));
+ if( !fast ){
+ time(&now);
+ for( i = 0, nactive = 0 ; i < USHM_SIZE ; ++i )
+ if( SHM->uinfo[i].pid ){
+ idle[nactive].index = i;
+ idle[nactive].idle = now - SHM->uinfo[i].lastact;
+ ++nactive;
}
- else if( !fast ){
- if( searchuser(SHM->uinfo[i].userid) == 0 ){
- clean = "user not exist";
- }
+ qsort(idle, nactive, sizeof(IDLE_t), sfIDLE);
+ }
+
+ for( i = 0 ; i < nactive ; ++i ){
+ which = idle[i].index;
+ clean = NULL;
+ if( !isalpha(SHM->uinfo[which].userid[0]) )
+ clean = "userid error";
+ else if( kill(SHM->uinfo[which].pid, 0) < 0 ){
+ clean = "process error";
+ purge_utmp(&SHM->uinfo[which]);
+ }
+ else if( !fast ){
+ if( searchuser(SHM->uinfo[which].userid) == 0 ){
+ clean = "user not exist";
+ }
#ifdef DOTIMEOUT
- else if( nownum > lowerbound &&
- now - SHM->uinfo[i].lastact >
- (timeout == -1 ? IDLE_TIMEOUT : timeout) ){
- sprintf(buf, "timeout(%s",
- ctime(&SHM->uinfo[i].lastact));
- buf[strlen(buf) - 1] = 0;
- strcat(buf, ")");
- clean = buf;
- kill(SHM->uinfo[i].pid, SIGHUP);
- printf("%s\n", buf);
- --nownum;
- continue;
- }
-#endif
- }
-
- if( clean ){
- printf("clean %06d(%s), userid: %s\n",
- i, clean, SHM->uinfo[i].userid);
- memset(&SHM->uinfo[i], 0, sizeof(userinfo_t));
+ else if( nownum > lowerbound &&
+ idle[i].idle >
+ (timeout == -1 ? IDLE_TIMEOUT : timeout) ){
+ sprintf(buf, "timeout(%s",
+ ctime(&SHM->uinfo[which].lastact));
+ buf[strlen(buf) - 1] = 0;
+ strcat(buf, ")");
+ clean = buf;
+ kill(SHM->uinfo[which].pid, SIGHUP);
+ printf("%s\n", buf);
--nownum;
+ continue;
}
+#endif
+ }
+
+ if( clean ){
+ printf("clean %06d(%s), userid: %s\n",
+ i, clean, SHM->uinfo[which].userid);
+ memset(&SHM->uinfo[which], 0, sizeof(userinfo_t));
+ --nownum;
}
+ }
SHM->UTMPbusystate = 0;
return 0;
}