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Diffstat (limited to 'sqmail-4.3.07/src/trigger.c')
-rw-r--r--sqmail-4.3.07/src/trigger.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/sqmail-4.3.07/src/trigger.c b/sqmail-4.3.07/src/trigger.c
new file mode 100644
index 0000000..ec22e11
--- /dev/null
+++ b/sqmail-4.3.07/src/trigger.c
@@ -0,0 +1,41 @@
+#include "select.h"
+#include "ndelay.h"
+#include "open.h"
+#include "trigger.h"
+#include "close.h"
+
+static int fd = -1;
+
+void trigger_set()
+{
+ if (fd != -1) close(fd);
+ fd = open_read("lock/trigger");
+}
+
+void trigger_selprep(int *nfds,fd_set *rfds)
+{
+ if (fd != -1) {
+ FD_SET(fd,rfds);
+ if (*nfds < fd + 1) *nfds = fd + 1;
+ }
+}
+
+int trigger_pulled(fd_set *rfds)
+{
+ if (fd != -1) if (FD_ISSET(fd,rfds)) return 1;
+ return 0;
+}
+
+void write(); /* compiler warning (temp) */
+
+void triggerpull()
+{
+ int fd;
+
+ fd = open_write("lock/trigger");
+ if (fd >= 0) {
+ ndelay_on(fd);
+ write(fd,"",1); /* if it fails, bummer */
+ close(fd);
+ }
+}