From 50700c4d3ceded853dac685e7c3671a839f9dec3 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 15 Feb 2018 01:59:16 +0000
Subject: thread_pthread.c: Use `getpagesize()` when
 `pthread_attr_getguardsize` is unavailable

This is also for emscripten.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_pthread.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'thread_pthread.c')

diff --git a/thread_pthread.c b/thread_pthread.c
index 381114d1ce..d36c149483 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -561,8 +561,12 @@ get_stack(void **addr, size_t *size)
     CHECK_ERR(pthread_attr_getstackaddr(&attr, addr));
     CHECK_ERR(pthread_attr_getstacksize(&attr, size));
 # endif
+# ifdef HAVE_PTHREAD_ATTR_GETGUARDSIZE
     CHECK_ERR(pthread_attr_getguardsize(&attr, &guard));
     *size -= guard;
+# else
+    *size -= getpagesize();
+# endif
     pthread_attr_destroy(&attr);
 #elif defined HAVE_PTHREAD_ATTR_GET_NP /* FreeBSD, DragonFly BSD, NetBSD */
     pthread_attr_t attr;
-- 
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