* Europagate, 1995
*
* $Log: gipc.c,v $
- * Revision 1.2 1995/03/28 08:03:46 adam
+ * Revision 1.6 1995/05/01 16:27:29 adam
+ * Various improvements. Close-on-exec and close on failure on either
+ * read or write FIFO.
+ *
+ * Revision 1.5 1995/04/21 16:38:07 adam
+ * Added more debugging logs.
+ *
+ * Revision 1.4 1995/04/20 15:12:45 adam
+ * Minor hacks really.
+ *
+ * Revision 1.3 1995/04/19 16:02:06 adam
+ * Some hacks to get the FIFO communication work!! Isn't reliable.
+ *
+ * Revision 1.2 1995/03/28 08:03:46 adam
* Non-blocking open used when sync is set.
*
* Revision 1.1 1995/03/27 08:24:59 adam
#include <unistd.h>
#include <fcntl.h>
+#include <gw-log.h>
#include <gip.h>
GIP gipc_initialize (const char *name)
{
if (sync)
{
- gip->rfd = open (gip->name, O_RDONLY);
+ gw_log (GW_LOG_DEBUG, "gipc", "Open sync writeonly of %s", server);
gip->wfd = open (server, O_WRONLY);
+ gw_log (GW_LOG_DEBUG, "gipc", "got wfd %d", gip->wfd);
+
+ gw_log (GW_LOG_DEBUG, "gipc", "Open sync readonly of %s", gip->name);
+ gip->rfd = open (gip->name, O_RDONLY);
+ gw_log (GW_LOG_DEBUG, "gipc", "got rfd %d", gip->rfd);
}
else
{
- gip->wfd = open (server, O_WRONLY|O_NONBLOCK);
+ gw_log (GW_LOG_DEBUG, "gipc", "Open readonly of %s", gip->name);
gip->rfd = open (gip->name, O_RDONLY|O_NONBLOCK);
+ gw_log (GW_LOG_DEBUG, "gipc", "got rfd %d", gip->rfd);
+
+ gw_log (GW_LOG_DEBUG, "gipc", "Open witeonly of %s", server);
+ gip->wfd = open (server, O_WRONLY|O_NONBLOCK);
+ gw_log (GW_LOG_DEBUG, "gipc", "got wfd %d", gip->wfd);
}
if (gip->rfd == -1)
+ {
+ gw_log (GW_LOG_DEBUG, "gipc", "Cannot open %s", gip->name);
+ if (gip->wfd != -1)
+ {
+ close (gip->wfd);
+ gip->wfd = -1;
+ }
return -1;
+ }
if (gip->wfd == -1)
+ {
+ gw_log (GW_LOG_DEBUG, "gipc", "Cannot open %s", server);
+ close (gip->rfd);
+ gip->rfd = -1;
return -2;
- fcntl (gip->wfd, F_SETFL, ~(O_NONBLOCK|O_APPEND));
- fcntl (gip->rfd, F_SETFL, ~(O_NONBLOCK|O_APPEND));
+ }
+ fcntl (gip->wfd, F_SETFL, 0);
+ fcntl (gip->rfd, F_SETFL, 0);
+ fcntl (gip->wfd, F_SETFD, FD_CLOEXEC);
+ fcntl (gip->rfd, F_SETFD, FD_CLOEXEC);
return 0;
}
int gipc_close (GIP gip)
{
if (gip->rfd != -1)
+ {
close (gip->rfd);
+ gip->rfd = -1;
+ }
if (gip->wfd != -1)
+ {
close (gip->wfd);
+ gip->wfd = -1;
+ }
return 0;
}