normal	2018-06-29 17:51:33 +0900 (Fri, 29 Jun 2018)

  New Revision: 63790

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63790

  Log:
    process.c: handle errno correctly in non-SIGCHLD path
    
    It's a bit redundant, but we optimize for platforms with
    SIGCHLD, not without.

  Modified files:
    trunk/process.c
Index: process.c
===================================================================
--- process.c	(revision 63789)
+++ process.c	(revision 63790)
@@ -1114,6 +1114,8 @@ waitpid_no_SIGCHLD(struct waitpid_state https://github.com/ruby/ruby/blob/trunk/process.c#L1114
                                        RUBY_UBF_PROCESS, 0);
         } while (w->ret < 0 && errno == EINTR && (RUBY_VM_CHECK_INTS(w->ec),1));
     }
+    if (w->ret == -1)
+        w->errnum = errno;
 }
 
 rb_pid_t

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