* This file is part of DisOrder.
* Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
*
- * This program is free software; you can redistribute it and/or modify
+ * 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 2 of the License, or
+ * 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.
- *
+ *
+ * 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file lib/event.c
* @brief DisOrder event loop
*/
-#include <config.h>
+#include "common.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <unistd.h>
-#include <assert.h>
#include <signal.h>
#include <errno.h>
-#include <string.h>
-#include <limits.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
-#include <stdio.h>
#include "event.h"
#include "mem.h"
#include "log.h"
D(("registering %s fd %d callback %p %p", modenames[mode], fd,
(void *)callback, u));
+ if(fd >= FD_SETSIZE)
+ return -1;
assert(mode < ev_nmodes);
if(ev->mode[mode].nfds >= ev->mode[mode].fdslots) {
ev->mode[mode].fdslots = (ev->mode[mode].fdslots
/* probably the reader has stopped listening for some reason */
if(write(sigfd[s], &sc, 1) < 0) {
- write(2, errmsg, sizeof errmsg - 1);
+ /* do the best we can as we're about to abort; shut _up_, gcc */
+ int _ignore = write(2, errmsg, sizeof errmsg - 1);
+ (void)_ignore;
abort();
}
}
return 0;
}
+/** @brief Terminate and wait for all child processes
+ * @param ev Event loop
+ *
+ * Does *not* call the completion callbacks. Only used during teardown.
+ */
+void ev_child_killall(ev_source *ev) {
+ int n, rc, w;
+
+ for(n = 0; n < ev->nchildren; ++n) {
+ if(kill(ev->children[n].pid, SIGTERM) < 0) {
+ error(errno, "sending SIGTERM to pid %lu",
+ (unsigned long)ev->children[n].pid);
+ ev->children[n].pid = -1;
+ }
+ }
+ for(n = 0; n < ev->nchildren; ++n) {
+ if(ev->children[n].pid == -1)
+ continue;
+ do {
+ rc = waitpid(ev->children[n].pid, &w, 0);
+ } while(rc < 0 && errno == EINTR);
+ if(rc < 0) {
+ error(errno, "waiting for pid %lu", (unsigned long)ev->children[n].pid);
+ continue;
+ }
+ }
+ ev->nchildren = 0;
+}
+
/* socket listeners ***********************************************************/
/** @brief State for a socket listener */