From 8f452530e61b299d4d48f82f41ab5364723607ae Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Wed, 5 Apr 2017 14:32:16 +0200
Subject: Stack guard for PCRE

---
 erts/emulator/sys/unix/sys.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'erts/emulator/sys/unix/sys.c')

diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c
index 6459fa064b..0c0acbf90c 100644
--- a/erts/emulator/sys/unix/sys.c
+++ b/erts/emulator/sys/unix/sys.c
@@ -275,6 +275,18 @@ erts_sys_schedule_interrupt_timed(int set, ErtsMonotonicTime timeout_time)
 }
 #endif
 
+UWord
+erts_sys_get_page_size(void)
+{
+#if defined(_SC_PAGESIZE)
+    return (UWord) sysconf(_SC_PAGESIZE);
+#elif defined(HAVE_GETPAGESIZE)
+    return (UWord) getpagesize();
+#else
+    return (UWord) 4*1024; /* Guess 4 KB */
+#endif
+}
+
 Uint
 erts_sys_misc_mem_sz(void)
 {
-- 
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