removed a bunch of blank comment lines
[citadel.git] / webcit / sysdep.c
index 101c3647a06b551ef8157acd59323cf0c5c4707f..5d81fe3d248b581420affe4fb8a5ad826f39c084 100644 (file)
@@ -1,21 +1,15 @@
 /*
  * WebCit "system dependent" code.
  *
- * Copyright (c) 1996-2011 by the citadel.org team
+ * Copyright (c) 1996-2012 by the citadel.org team
  *
  * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
+ * it under the terms of the GNU General Public License, version 3.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #include "sysdep.h"
@@ -79,10 +73,10 @@ pthread_key_t MyConKey;                             /* TSD key for MyContext() */
 pthread_key_t MyReq;                           /* TSD key for MyReq() */
 int msock;                     /* master listening socket */
 int time_to_die = 0;            /* Nonzero if server is shutting down */
-int verbosity = 9;             /* Logging level */
 
 extern void *context_loop(ParsedHttpHdrs *Hdr);
 extern void *housekeeping_loop(void);
+extern void do_housekeeping(void);
 
 char ctdl_key_dir[PATH_MAX]=SSL_DIR;
 char file_crpt_file_key[PATH_MAX]="";
@@ -100,6 +94,8 @@ char  *static_dirs[]={                               /* needs same sort order as the web mapping */
        (char*)static_icon_dir                  /* our icons... */
 };
 
+int ExitPipe[2];
+
 void InitialiseSemaphores(void)
 {
        int i;
@@ -108,6 +104,15 @@ void InitialiseSemaphores(void)
        for (i=0; i<MAX_SEMAPHORES; ++i) {
                pthread_mutex_init(&Critters[i], NULL);
        }
+
+       if (pipe(ExitPipe))
+       {
+               syslog(2, "Failed to open exit pipe: %d [%s]\n", 
+                      errno, 
+                      strerror(errno));
+               
+               exit(-1);
+       }
 }
 
 /*
@@ -161,7 +166,16 @@ void worker_entry(void)
                ssock = -1; 
                errno = EAGAIN;
                do {
+                       fd_set wset;
                        --num_threads_executing;
+                        FD_ZERO(&wset);
+                        FD_SET(msock, &wset);
+                        FD_SET(ExitPipe[1], &wset);
+
+                        select(msock + 1, NULL, &wset, NULL, NULL);
+                       if (time_to_die)
+                               break;
+
                        ssock = accept(msock, NULL, 0);
                        ++num_threads_executing;
                        if (ssock < 0) fail_this_transaction = 1;
@@ -274,6 +288,7 @@ void worker_entry(void)
 pid_t current_child;
 void graceful_shutdown_watcher(int signum) {
        syslog(1, "Watcher thread exiting.\n");
+       write(ExitPipe[0], HKEY("                              "));
        kill(current_child, signum);
        if (signum != SIGHUP)
                exit(0);
@@ -297,6 +312,7 @@ void graceful_shutdown(int signum) {
        fflush (FD);
        fclose (FD);
        close(fd);
+       write(ExitPipe[0], HKEY("                              "));
 }
 
 
@@ -309,8 +325,6 @@ void start_daemon(char *pid_file)
        pid_t child = 0;
        FILE *fp;
        int do_restart = 0;
-       int rv;
-       FILE *rvfp = NULL;
 
        current_child = 0;
 
@@ -318,7 +332,7 @@ void start_daemon(char *pid_file)
         * We don't just call close() because we don't want these fd's
         * to be reused for other files.
         */
-       rv = chdir("/");
+       chdir("/");
 
        signal(SIGHUP, SIG_IGN);
        signal(SIGINT, SIG_IGN);
@@ -331,9 +345,9 @@ void start_daemon(char *pid_file)
 
        setsid();
        umask(0);
-       rvfp = freopen("/dev/null", "r", stdin);
-       rvfp = freopen("/dev/null", "w", stdout);
-       rvfp = freopen("/dev/null", "w", stderr);
+       freopen("/dev/null", "r", stdin);
+       freopen("/dev/null", "w", stdout);
+       freopen("/dev/null", "w", stderr);
        signal(SIGTERM, graceful_shutdown_watcher);
        signal(SIGHUP, graceful_shutdown_watcher);
 
@@ -495,15 +509,15 @@ void drop_root(uid_t UID)
 #ifdef HAVE_GETPWUID_R
 #ifdef SOLARIS_GETPWUID
                pwp = getpwuid_r(UID, &pw, pwbuf, sizeof(pwbuf));
-#else // SOLARIS_GETPWUID
+#else /* SOLARIS_GETPWUID */
                getpwuid_r(UID, &pw, pwbuf, sizeof(pwbuf), &pwp);
-#endif // SOLARIS_GETPWUID
-#else // HAVE_GETPWUID_R
+#endif /* SOLARIS_GETPWUID */
+#else /* HAVE_GETPWUID_R */
                pwp = NULL;
-#endif // HAVE_GETPWUID_R
+#endif /* HAVE_GETPWUID_R */
 
                if (pwp == NULL)
-                       syslog(LOG_CRIT, "WARNING: getpwuid(%ld): %s\n"
+                       syslog(LOG_CRIT, "WARNING: getpwuid(%d): %s\n"
                                "Group IDs will be incorrect.\n", UID,
                                strerror(errno));
                else {