1 files changed, 54 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/posix_timer.h b/winsup/cygwin/local_includes/posix_timer.h
new file mode 100644
index 000000000..e1cfe84c7
--- /dev/null
+++ b/winsup/cygwin/local_includes/posix_timer.h
@@ -0,0 +1,54 @@
+/* timer.h: Define class timer_tracker, base class for posix timers
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef __POSIX_TIMER_H__
+#define __POSIX_TIMER_H__
+
+#define TT_MAGIC 0x513e4a1c
+class timer_tracker
+{
+  unsigned magic;
+  SRWLOCK srwlock;
+  clockid_t clock_id;
+  sigevent evp;
+  struct itimerspec time_spec;
+  HANDLE timer;
+  HANDLE cancel_evt;
+  HANDLE sync_thr;
+  LONG64 interval;
+  LONG64 exp_ts;
+  LONG overrun_count_curr;
+  LONG64 overrun_count;
+
+  bool cancel ();
+
+ public:
+  void *operator new (size_t, void *p) __attribute__ ((nothrow)) {return p;}
+  void operator delete (void *p) { HeapFree (GetProcessHeap (), 0, p); }
+  timer_tracker (clockid_t, const sigevent *);
+  ~timer_tracker ();
+  inline bool is_timer_tracker () const { return magic == TT_MAGIC; }
+  inline sigevent_t *sigevt () { return &evp; }
+  inline int getoverrun () const { return overrun_count_curr; }
+
+  LONG64 get_clock_now () const { return get_clock (clock_id)->n100secs (); }
+  LONG64 get_exp_ts () const { return exp_ts; }
+  LONG64 get_interval () const { return interval; }
+  void set_exp_ts (LONG64 ts) { exp_ts = ts; }
+
+  bool arm_overrun_event (LONG64);
+  LONG disarm_overrun_event ();
+
+  int gettime (itimerspec *, bool);
+  int settime (int, const itimerspec *, itimerspec *);
+
+  DWORD thread_func ();
+  static void fixup_after_fork ();
+};
+
+#endif /* __POSIX_TIMER_H__ */