diff options
| -rw-r--r-- | src/Makefile.am | 2 | ||||
| -rw-r--r-- | src/allocators.cpp | 64 | ||||
| -rw-r--r-- | src/allocators.h | 56 |
3 files changed, 68 insertions, 54 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index c0687ae2e6..49249fedc7 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -31,7 +31,7 @@ obj/build.h: FORCE $(abs_top_srcdir) version.o: obj/build.h -libbitcoin_a_SOURCES = addrman.cpp alert.cpp bitcoinrpc.cpp bloom.cpp \ +libbitcoin_a_SOURCES = addrman.cpp alert.cpp allocators.cpp bitcoinrpc.cpp bloom.cpp \ chainparams.cpp checkpoints.cpp core.cpp crypter.cpp db.cpp hash.cpp \ init.cpp key.cpp keystore.cpp leveldb.cpp main.cpp miner.cpp \ netbase.cpp net.cpp noui.cpp protocol.cpp rpcblockchain.cpp rpcdump.cpp \ diff --git a/src/allocators.cpp b/src/allocators.cpp new file mode 100644 index 0000000000..b239b623d8 --- /dev/null +++ b/src/allocators.cpp @@ -0,0 +1,64 @@ +// Copyright (c) 2009-2013 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include "allocators.h" + +#ifdef WIN32 +#ifdef _WIN32_WINNT +#undef _WIN32_WINNT +#endif +#define _WIN32_WINNT 0x0501 +#define WIN32_LEAN_AND_MEAN 1 +#ifndef NOMINMAX +#define NOMINMAX +#endif +#include <windows.h> +// This is used to attempt to keep keying material out of swap +// Note that VirtualLock does not provide this as a guarantee on Windows, +// but, in practice, memory that has been VirtualLock'd almost never gets written to +// the pagefile except in rare circumstances where memory is extremely low. +#else +#include <sys/mman.h> +#include <limits.h> // for PAGESIZE +#include <unistd.h> // for sysconf +#endif + +/** Determine system page size in bytes */ +static inline size_t GetSystemPageSize() +{ + size_t page_size; +#if defined(WIN32) + SYSTEM_INFO sSysInfo; + GetSystemInfo(&sSysInfo); + page_size = sSysInfo.dwPageSize; +#elif defined(PAGESIZE) // defined in limits.h + page_size = PAGESIZE; +#else // assume some POSIX OS + page_size = sysconf(_SC_PAGESIZE); +#endif + return page_size; +} + +bool MemoryPageLocker::Lock(const void *addr, size_t len) +{ +#ifdef WIN32 + return VirtualLock(const_cast<void*>(addr), len); +#else + return mlock(addr, len) == 0; +#endif +} + +bool MemoryPageLocker::Unlock(const void *addr, size_t len) +{ +#ifdef WIN32 + return VirtualUnlock(const_cast<void*>(addr), len); +#else + return munlock(addr, len) == 0; +#endif +} + +LockedPageManager::LockedPageManager() : LockedPageManagerBase<MemoryPageLocker>(GetSystemPageSize()) +{ +} + diff --git a/src/allocators.h b/src/allocators.h index 85af8fe376..fd6f51b27e 100644 --- a/src/allocators.h +++ b/src/allocators.h @@ -11,25 +11,6 @@ #include <map> #include <openssl/crypto.h> // for OPENSSL_cleanse() -#ifdef WIN32 -#ifdef _WIN32_WINNT -#undef _WIN32_WINNT -#endif -#define _WIN32_WINNT 0x0501 -#define WIN32_LEAN_AND_MEAN 1 -#ifndef NOMINMAX -#define NOMINMAX -#endif -#include <windows.h> -// This is used to attempt to keep keying material out of swap -// Note that VirtualLock does not provide this as a guarantee on Windows, -// but, in practice, memory that has been VirtualLock'd almost never gets written to -// the pagefile except in rare circumstances where memory is extremely low. -#else -#include <sys/mman.h> -#include <limits.h> // for PAGESIZE -#include <unistd.h> // for sysconf -#endif /** * Thread-safe class to keep track of locked (ie, non-swappable) memory pages. @@ -115,21 +96,6 @@ private: Histogram histogram; }; -/** Determine system page size in bytes */ -static inline size_t GetSystemPageSize() -{ - size_t page_size; -#if defined(WIN32) - SYSTEM_INFO sSysInfo; - GetSystemInfo(&sSysInfo); - page_size = sSysInfo.dwPageSize; -#elif defined(PAGESIZE) // defined in limits.h - page_size = PAGESIZE; -#else // assume some POSIX OS - page_size = sysconf(_SC_PAGESIZE); -#endif - return page_size; -} /** * OS-dependent memory page locking/unlocking. @@ -141,25 +107,11 @@ public: /** Lock memory pages. * addr and len must be a multiple of the system page size */ - bool Lock(const void *addr, size_t len) - { -#ifdef WIN32 - return VirtualLock(const_cast<void*>(addr), len); -#else - return mlock(addr, len) == 0; -#endif - } + bool Lock(const void *addr, size_t len); /** Unlock memory pages. * addr and len must be a multiple of the system page size */ - bool Unlock(const void *addr, size_t len) - { -#ifdef WIN32 - return VirtualUnlock(const_cast<void*>(addr), len); -#else - return munlock(addr, len) == 0; -#endif - } + bool Unlock(const void *addr, size_t len); }; /** @@ -171,9 +123,7 @@ class LockedPageManager: public LockedPageManagerBase<MemoryPageLocker> public: static LockedPageManager instance; // instantiated in util.cpp private: - LockedPageManager(): - LockedPageManagerBase<MemoryPageLocker>(GetSystemPageSize()) - {} + LockedPageManager(); }; // |