normal	2018-06-30 12:50:52 +0900 (Sat, 30 Jun 2018)

  New Revision: 63796

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63796

  Log:
    mjit: provide more diagnostics for waitpid failures
    
    Also, enable check for defined(_WIN32) macro for SIGCHLD_LOSSY, too.
    
    [Bug #14867]

  Modified files:
    trunk/mjit.c
    trunk/vm_core.h
Index: mjit.c
===================================================================
--- mjit.c	(revision 63795)
+++ mjit.c	(revision 63796)
@@ -422,8 +422,9 @@ exec_process(const char *path, char *con https://github.com/ruby/ruby/blob/trunk/mjit.c#L422
                      : waitpid(pid, &stat, 0);
         if (r == -1) {
             if (errno == EINTR) continue;
-            fprintf(stderr, "[%d] waitpid(%d): %s\n",
-                    getpid(), pid, strerror(errno));
+            fprintf(stderr, "[%d] waitpid(%d): %s (SIGCHLD=%d,%u)\n",
+                    getpid(), pid, strerror(errno),
+                    RUBY_SIGCHLD, SIGCHLD_LOSSY);
             break;
         }
         else if (r == pid) {
Index: vm_core.h
===================================================================
--- vm_core.h	(revision 63795)
+++ vm_core.h	(revision 63796)
@@ -101,7 +101,7 @@ https://github.com/ruby/ruby/blob/trunk/vm_core.h#L101
 #endif
 
 /* platforms with broken or non-existent SIGCHLD work by polling */
-#if defined(__APPLE__) || defined(__WIN32__)
+#if defined(__APPLE__) || defined(__WIN32__) || defined(_WIN32)
 #  define SIGCHLD_LOSSY (1)
 #else
 #  define SIGCHLD_LOSSY (0)

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