normal	2018-08-14 11:24:37 +0900 (Tue, 14 Aug 2018)

  New Revision: 64356

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64356

  Log:
    thread_pthread.c: use CLOCK_REALTIME on SunOS (Solaris)
    
    timer_create does not seem to support CLOCK_MONOTONIC on Solaris,
    and CLOCK_HIRES seems like it could fail with insufficient permissions:
    
    https://docs.oracle.com/cd/E86824_01/html/E54766/timer-create-3c.html
    
    (Only tested on Linux and FreeBSD)
    
    [ruby-core:88360] [Misc #14937]

  Modified files:
    trunk/thread_pthread.c
Index: thread_pthread.c
===================================================================
--- thread_pthread.c	(revision 64355)
+++ thread_pthread.c	(revision 64356)
@@ -1580,12 +1580,18 @@ static void https://github.com/ruby/ruby/blob/trunk/thread_pthread.c#L1580
 rb_timer_create(rb_pid_t current)
 {
 #if UBF_TIMER == UBF_TIMER_POSIX
+#  if defined(__sun)
+#    define UBF_TIMER_CLOCK CLOCK_REALTIME
+#  else /* Tested Linux and FreeBSD: */
+#    define UBF_TIMER_CLOCK CLOCK_MONOTONIC
+#  endif
+
     struct sigevent sev;
 
     sev.sigev_notify = SIGEV_SIGNAL;
     sev.sigev_signo = SIGVTALRM;
     sev.sigev_value.sival_ptr = &timer_posix;
-    if (!timer_create(CLOCK_MONOTONIC, &sev, &timer_posix.timerid))
+    if (!timer_create(UBF_TIMER_CLOCK, &sev, &timer_posix.timerid))
         timer_posix.owner = current;
     else
 	rb_warn("timer_create failed: %s, signals racy", strerror(errno));

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