From d89af8f6d5f3b971dda663081c03d790437c2f03 Mon Sep 17 00:00:00 2001
From: comex
Date: Sat, 24 Jan 2015 20:04:20 -0500
Subject: Add function to deal with mprotecting RW and back.  A bit more
 complex than the minimum would be...

(and minor build fixes)
---
 lib/substitute.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/substitute.h')

diff --git a/lib/substitute.h b/lib/substitute.h
index ada57f2..95f8436 100644
--- a/lib/substitute.h
+++ b/lib/substitute.h
@@ -39,6 +39,7 @@ enum {
 
     /* substitute_hook_functions:    mmap or mprotect failure other than ENOMEM
      *                               (preserved in errno on return)
+     * substitute_hook_functions:    vm_region failure (errno = 0)
      * substitute_hook_objc_message: vm_remap failure
      * Most likely to come up with substitute_hook_functions if the kernel is
      * preventing pages from being marked executable. */
-- 
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