Another step in prying ntplib loose. Partly decouple ppsthread.c fom sessions.

All regression tests pass.

1 files changed, 47 insertions, 0 deletions

diff --git a/ppsthread.h b/ppsthread.h
new file mode 100644
index 00000000..ae7bd886
--- /dev/null
+++ b/ppsthread.h
@@ -0,0 +1,47 @@
+/*
+ * This file is Copyright (c) 2015 by the GPSD project
+ * BSD terms apply: see the file COPYING in the distribution root for details.
+ */
+
+#ifndef PPSTHREAD_H
+#define PPSTHREAD_H
+
+#include <stdbool.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
+#ifndef HAVE_TIMEDELTA
+
+struct timedelta_t {
+    struct timespec	real;
+    struct timespec	clock;
+};
+
+#define HAVE_TIMEDELTA
+#endif /* HAVE_TIMEDELTA */
+
+struct pps_state_t {
+    volatile struct timedelta_t ppslast;
+    volatile int ppscount;
+};
+
+struct pps_fixtime_t {
+    timestamp_t real;
+    /* clock must be a timespec as it is in nSec and
+     * a timestamp_t will lose precision */
+    struct timespec clock; /* system clock time when last fix received */
+};
+
+#define PPS_THREAD_OK	0
+#define PPS_LOCK_ERR	-1
+#define PPS_UNLOCK_ERR	-2
+
+extern int pps_thread_stash_fixtime(volatile struct pps_fixtime_t *, 
+			      timestamp_t, struct timespec);
+extern int pps_thread_lastpps(struct pps_state_t *, struct timedelta_t *);
+
+#endif /* PPSTHREAD_H */
+
+/* end */