From ce2a3b40ed06a25e9292dd7d02b311510d0ba8e2 Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 30 Jun 2018 00:51:57 +0000
Subject: use SIGCHLD_LOSSY to enable waitpid polling mode

Some systems lack SIGCHLD or have incomplete SIGCHLD
implementations.  So enable polling mode for them.

[ruby-core:87705] [Bug #14867]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 mjit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mjit.c')

diff --git a/mjit.c b/mjit.c
index e166a066bf..fb4b153cc3 100644
--- a/mjit.c
+++ b/mjit.c
@@ -408,7 +408,7 @@ exec_process(const char *path, char *const argv[])
 {
     int stat, exit_code = -2;
     pid_t pid;
-    rb_vm_t *vm = RUBY_SIGCHLD ? GET_VM() : 0;
+    rb_vm_t *vm = (RUBY_SIGCHLD || SIGCHLD_LOSSY) ? GET_VM() : 0;
     rb_nativethread_cond_t cond;
 
     if (vm) {
-- 
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