diff options
Diffstat (limited to 'util/mutex.h')
| -rw-r--r-- | util/mutex.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/util/mutex.h b/util/mutex.h index 9c49158..e2a8715 100644 --- a/util/mutex.h +++ b/util/mutex.h @@ -10,7 +10,12 @@ * You should assume the locks are *not* re-entrant. */ -#if !defined(_WIN32) +#ifdef _WIN32 +// Requires Windows Vista or Windows Server 2008 at minimum. +#if defined(WINVER) && WINVER >= 0x0600 +#define MUTEX_IS_WIN32_SRWLOCK +#endif +#else #ifndef _POSIX_C_SOURCE #define _POSIX_C_SOURCE 200809L #endif @@ -20,7 +25,10 @@ #endif #endif -#if defined(MUTEX_IS_PTHREAD_RWLOCK) +#if defined(MUTEX_IS_WIN32_SRWLOCK) +#include <windows.h> +typedef SRWLOCK MutexType; +#elif defined(MUTEX_IS_PTHREAD_RWLOCK) #include <pthread.h> #include <stdlib.h> typedef pthread_rwlock_t MutexType; @@ -56,7 +64,16 @@ class Mutex { Mutex& operator=(const Mutex&) = delete; }; -#if defined(MUTEX_IS_PTHREAD_RWLOCK) +#if defined(MUTEX_IS_WIN32_SRWLOCK) + +Mutex::Mutex() { InitializeSRWLock(&mutex_); } +Mutex::~Mutex() { } +void Mutex::Lock() { AcquireSRWLockExclusive(&mutex_); } +void Mutex::Unlock() { ReleaseSRWLockExclusive(&mutex_); } +void Mutex::ReaderLock() { AcquireSRWLockShared(&mutex_); } +void Mutex::ReaderUnlock() { ReleaseSRWLockShared(&mutex_); } + +#elif defined(MUTEX_IS_PTHREAD_RWLOCK) #define SAFE_PTHREAD(fncall) \ do { \ |