yugui	2009-02-22 18:48:12 +0900 (Sun, 22 Feb 2009)

  New Revision: 22517

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=22517

  Log:
    merges r22091 from trunk into ruby_1_9_1.
    * signal.c (register_sigaltstack): ignore sigaltstack error.
      It fails on OpenBSD 4.4 when pthread library is linked.

  Modified files:
    branches/ruby_1_9_1/ChangeLog
    branches/ruby_1_9_1/signal.c

Index: ruby_1_9_1/ChangeLog
===================================================================
--- ruby_1_9_1/ChangeLog	(revision 22516)
+++ ruby_1_9_1/ChangeLog	(revision 22517)
@@ -1,3 +1,8 @@
+Fri Feb  6 20:37:42 2009  Tanaka Akira  <akr@f...>
+
+	* signal.c (register_sigaltstack): ignore sigaltstack error.
+	  It fails on OpenBSD 4.4 when pthread library is linked.
+
 Fri Feb  6 12:03:47 2009  NAKAMURA Usaku  <usa@r...>
 
 	* ruby.c (process_options): -K and -E in shebang should be reflect to
Index: ruby_1_9_1/signal.c
===================================================================
--- ruby_1_9_1/signal.c	(revision 22516)
+++ ruby_1_9_1/signal.c	(revision 22517)
@@ -444,8 +444,7 @@
     newSS.ss_size = ALT_STACK_SIZE;
     newSS.ss_flags = 0;
 
-    if (sigaltstack(&newSS, &oldSS) < 0) 
-	rb_bug("register_sigaltstack. error\n");
+    sigaltstack(&newSS, &oldSS); /* ignore error. */
 }
 #endif
 

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