/*
* $Id$
*
- * Citadel "system dependent" stuff.
- * See copyright.txt for copyright information.
+ * WebCit "system dependent" code.
*
- * Here's where we (hopefully) have most parts of the Citadel server that
- * would need to be altered to run the server in a non-POSIX environment.
- *
- * If we ever port to a different platform and either have multiple
- * variants of this file or simply load it up with #ifdefs.
+ * Copyright (c) 1996-2010 by the citadel.org team
*
+ * This program is free 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.
+ *
+ * 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"
#include <stdlib.h>
#include <unistd.h>
int ssock;
int i = 0;
int fail_this_transaction = 0;
- int ret;
- struct timeval tv;
- fd_set readset, tempset;
ParsedHttpHdrs Hdr;
memset(&Hdr, 0, sizeof(ParsedHttpHdrs));
Hdr.HR.eReqType = eGET;
http_new_modules(&Hdr);
- tv.tv_sec = 0;
- tv.tv_usec = 10000;
- FD_ZERO(&readset);
- FD_SET(msock, &readset);
do {
/* Only one thread can accept at a time */
ssock = -1;
errno = EAGAIN;
do {
- ret = -1; /* just one at once should select... */
- begin_critical_section(S_SELECT);
-
- FD_ZERO(&tempset);
- if (msock > 0) FD_SET(msock, &tempset);
- tv.tv_sec = 0;
- tv.tv_usec = 10000;
- if (msock > 0) ret = select(msock+1, &tempset, NULL, NULL, &tv);
- end_critical_section(S_SELECT);
- if ((ret < 0) && (errno != EINTR) && (errno != EAGAIN))
- {/* EINTR and EAGAIN are thrown but not of interest. */
- lprintf(2, "accept() failed:%d %s\n",
- errno, strerror(errno));
- }
- else if ((ret > 0) && (msock > 0) && FD_ISSET(msock, &tempset))
- {/* Successfully selected, and still not shutting down? Accept! */
- ssock = accept(msock, NULL, 0);
- }
-
+ --num_threads_executing;
+ ssock = accept(msock, NULL, 0);
+ ++num_threads_executing;
+ lprintf(9, "Thread %u woke up, accept() returned %d %s\n",
+ pthread_self(),
+ ssock,
+ ((ssock >= 0) ? "" : strerror(errno))
+ );
} while ((msock > 0) && (ssock < 0) && (time_to_die == 0));
if ((msock == -1)||(time_to_die))
{/* ok, we're going down. */
int shutdown = 0;
- /* the first to come here will have to do the cleanup.
- * make shure its realy just one.
+ /* The first thread to get here will have to do the cleanup.
+ * Make sure it's really just one.
*/
begin_critical_section(S_SHUTDOWN);
if (msock == -1)
}
if (ssock < 0 ) continue;
+ /* Now do something. */
if (msock < 0) {
if (ssock > 0) close (ssock);
- lprintf(2, "inbetween.");
+ lprintf(2, "in between.");
pthread_exit(NULL);
- } else { /* Got it? do some real work! */
+ } else {
+ /* Got it? do some real work! */
/* Set the SO_REUSEADDR socket option */
i = 1;
- setsockopt(ssock, SOL_SOCKET, SO_REUSEADDR,
- &i, sizeof(i));
+ setsockopt(ssock, SOL_SOCKET, SO_REUSEADDR, &i, sizeof(i));
/* If we are an HTTPS server, go crypto now. */
#ifdef HAVE_OPENSSL
#endif
/* ...and close the socket. */
- if (Hdr.http_sock > 0)
+ if (Hdr.http_sock > 0) {
lingering_close(ssock);
+ }
http_detach_modules(&Hdr);
}
}
-
-
/*
* Shut us down the regular way.
* signum is the signal we want to forward
exit(WEXITSTATUS(status));
}
+
/*
* Spawn an additional worker thread into the pool.
*/
pthread_attr_t attr; /* Thread attributes */
int ret;
- lprintf(3, "Creating a new thread. Pool size is now %d\n", ++num_threads);
+ lprintf(3, "Creating a new thread.\n");
+
+ ++num_threads_existing;
+ ++num_threads_executing;
/* set attributes for the new thread */
pthread_attr_init(&attr);
* otherwise the MIME parser crashes on FreeBSD.
*/
if ((ret = pthread_attr_setstacksize(&attr, 1024 * 1024))) {
- lprintf(1, "pthread_attr_setstacksize: %s\n",
- strerror(ret));
+ lprintf(1, "pthread_attr_setstacksize: %s\n", strerror(ret));
pthread_attr_destroy(&attr);
}
/* now create the thread */
- if (pthread_create(&SessThread, &attr,
- (void *(*)(void *)) worker_entry, NULL)
- != 0) {
+ if (pthread_create(&SessThread, &attr, (void *(*)(void *)) worker_entry, NULL) != 0) {
lprintf(1, "Can't create thread: %s\n", strerror(errno));
}
perror("chdir");
}
}
+
void drop_root(uid_t UID)
{
struct passwd pw, *pwp = NULL;