Cygwin: posix timers: implement timer_getoverrun

- set DELAYTIMER_MAX to INT_MAX
- make sure to set siginfo_t::si_overrun, as on Linux

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index 419b097..8c1b3b4 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -27,6 +27,7 @@ details. */
 #include "child_info.h"
 #include "ntdll.h"
 #include "exception.h"
+#include "timer.h"
 
 /* Definitions for code simplification */
 #ifdef __x86_64__
@@ -1473,6 +1474,8 @@ sigpacket::process ()
 
   if (handler == SIG_IGN)
     {
+      if (si.si_code == SI_TIMER)
+	((timer_tracker *) si.si_tid)->disarm_event ();
       sigproc_printf ("signal %d ignored", si.si_signo);
       goto done;
     }
@@ -1496,6 +1499,8 @@ sigpacket::process ()
 	  || si.si_signo == SIGCONT || si.si_signo == SIGWINCH
 	  || si.si_signo == SIGURG)
 	{
+	  if (si.si_code == SI_TIMER)
+	    ((timer_tracker *) si.si_tid)->disarm_event ();
 	  sigproc_printf ("signal %d default is currently ignore", si.si_signo);
 	  goto done;
 	}
@@ -1620,6 +1625,13 @@ _cygtls::call_signal_handler ()
 
       sigset_t this_oldmask = set_process_mask_delta ();
 
+      if (infodata.si_code == SI_TIMER)
+	{
+	  timer_tracker *tt = (timer_tracker *)
+			      infodata.si_tid;
+	  infodata.si_overrun = tt->disarm_event ();
+	}
+
       /* Save information locally on stack to pass to handler. */
       int thissig = sig;
       siginfo_t thissi = infodata;