Revert atimer changes

They seem to be not needed any more.

* src/atimer.c (set_alarm): Revert
(turn_on_atimers):  Revert
(have_buggy_timerfd):  Revert

1 files changed, 4 insertions, 11 deletions

diff --git a/src/atimer.c b/src/atimer.c
index 197b504bf51..490c21bff16 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -310,13 +310,10 @@ set_alarm (void)
           ispec.it_value = atimers->expiration;
           ispec.it_interval.tv_sec = ispec.it_interval.tv_nsec = 0;
 # ifdef HAVE_TIMERFD
-          if (timerfd >= 0)
+          if (timerfd_settime (timerfd, TFD_TIMER_ABSTIME, &ispec, 0) == 0)
             {
-              if (timerfd_settime (timerfd, TFD_TIMER_ABSTIME, &ispec, 0) == 0)
-                {
-                  add_timer_wait_descriptor (timerfd);
-                  exit = true;
-                }
+              add_timer_wait_descriptor (timerfd);
+              exit = true;
             }
 # endif
           if (alarm_timer_ok
@@ -467,8 +464,7 @@ turn_on_atimers (bool on)
       if (alarm_timer_ok)
         timer_settime (alarm_timer, TIMER_ABSTIME, &ispec, 0);
 # ifdef HAVE_TIMERFD
-      if (timerfd >= 0)
-        timerfd_settime (timerfd, TFD_TIMER_ABSTIME, &ispec, 0);
+      timerfd_settime (timerfd, TFD_TIMER_ABSTIME, &ispec, 0);
 # endif
 #endif
       alarm (0);
@@ -575,9 +571,6 @@ have_buggy_timerfd (void)
 # ifdef CYGWIN
   struct utsname name;
   return uname (&name) < 0 || strverscmp (name.release, "3.0.2") < 0;
-# elif defined HAVE_PGTK
-  /* pgtk emacs does not want timerfd. */
-  return true;
 # else
   return false;
 # endif