From: Doug Huff <mith@jrbobdobbs.org>
Date: Thu, 30 Jun 2011 00:04:44 +0000 (+0200)
Subject: Make mlock() and munlock() portable to systems that require the address to be on... 
X-Git-Tag: v0.4.0-unstable~227^2~99^2~9
X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=commitdiff_plain;h=a48c671957e37594d8f9e0fd51b24e7a4f44300e

Make mlock() and munlock() portable to systems that require the address to be on a page boundary.
---

diff --git a/src/serialize.h b/src/serialize.h
index 6952004..38c533d 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -38,6 +38,18 @@ typedef unsigned long long  uint64;
 #define munlock(p, n) VirtualUnlock((p), (n));
 #else
 #include <sys/mman.h>
+#include <limits.h>
+/* This comes from limits.h if it's not defined there set a sane default */
+#ifndef PAGESIZE
+#include <unistd.h>
+#define PAGESIZE sysconf(_SC_PAGESIZE)
+#endif
+#define mlock(a,b) \
+  mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
+  (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
+#define munlock(a,b) \
+  munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
+  (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
 #endif
 
 class CScript;