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Use Windows threads library with mingw

Browse source 
Instead of Posix threads. This seems to fix time
losses of the gcc compiled version for Windows.
The patch replaces the MSVC specific _MSC_VER flag
with _WIN32 and _WIN64 that are defined both by
MSVC and mingw-gcc.

Workaround found by Jim Ablett.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2012-01-25 06:29:30 +01:00
parent 24b25b4827
commit a189a5f0c5
4 changed files with 14 additions and 12 deletions
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5
src/history.h
View file

@ -20,9 +20,10 @@
#if !defined(HISTORY_H_INCLUDED) #if !defined(HISTORY_H_INCLUDED)
#define HISTORY_H_INCLUDED #define HISTORY_H_INCLUDED
#include "types.h"
#include <cstring>
#include <algorithm> #include <algorithm>
#include <cstring>
#include "types.h"
/// The History class stores statistics about how often different moves /// The History class stores statistics about how often different moves
/// have been successful or unsuccessful during the current search. These /// have been successful or unsuccessful during the current search. These

5
src/lock.h
View file

@ -20,7 +20,7 @@
#if !defined(LOCK_H_INCLUDED) #if !defined(LOCK_H_INCLUDED)
#define LOCK_H_INCLUDED #define LOCK_H_INCLUDED
#if !defined(_MSC_VER) #if !defined(_WIN32) && !defined(_WIN64)
# include <pthread.h> # include <pthread.h>
@ -42,7 +42,10 @@ typedef pthread_t ThreadHandle;
#else #else
#if !defined(NOMINMAX)
# define NOMINMAX // disable macros min() and max() # define NOMINMAX // disable macros min() and max()
#endif
#define WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN
#include <windows.h> #include <windows.h>
#undef WIN32_LEAN_AND_MEAN #undef WIN32_LEAN_AND_MEAN

8
src/misc.cpp
View file

@ -17,7 +17,7 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#if defined(_MSC_VER) #if defined(_WIN32) || defined(_WIN64)
#define _CRT_SECURE_NO_DEPRECATE #define _CRT_SECURE_NO_DEPRECATE
#define NOMINMAX // disable macros min() and max() #define NOMINMAX // disable macros min() and max()
@ -113,7 +113,7 @@ void dbg_print() {
int system_time() { int system_time() {
#if defined(_MSC_VER) #if defined(_WIN32) || defined(_WIN64)
struct _timeb t; struct _timeb t;
_ftime(&t); _ftime(&t);
return int(t.time * 1000 + t.millitm); return int(t.time * 1000 + t.millitm);
@ -129,7 +129,7 @@ int system_time() {
int cpu_count() { int cpu_count() {
#if defined(_MSC_VER) #if defined(_WIN32) || defined(_WIN64)
SYSTEM_INFO s; SYSTEM_INFO s;
GetSystemInfo(&s); GetSystemInfo(&s);
return std::min(int(s.dwNumberOfProcessors), MAX_THREADS); return std::min(int(s.dwNumberOfProcessors), MAX_THREADS);
@ -155,7 +155,7 @@ int cpu_count() {
void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) { void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) {
#if defined(_MSC_VER) #if defined(_WIN32) || defined(_WIN64)
int tm = msec; int tm = msec;
#else #else
struct timeval t; struct timeval t;

6
src/thread.cpp
View file

@ -36,7 +36,7 @@ namespace { extern "C" {
// and last thread are special. First one is the main search thread while the // and last thread are special. First one is the main search thread while the
// last one mimics a timer, they run in main_loop() and timer_loop(). // last one mimics a timer, they run in main_loop() and timer_loop().
#if defined(_MSC_VER) #if defined(_WIN32) || defined(_WIN64)
DWORD WINAPI start_routine(LPVOID thread) { DWORD WINAPI start_routine(LPVOID thread) {
#else #else
void* start_routine(void* thread) { void* start_routine(void* thread) {
@ -177,9 +177,7 @@ void ThreadsManager::init() {
threads[i].do_sleep = (i != 0); // Avoid a race with start_thinking() threads[i].do_sleep = (i != 0); // Avoid a race with start_thinking()
threads[i].threadID = i; threads[i].threadID = i;
bool ok = thread_create(threads[i].handle, start_routine, threads[i]); if (!thread_create(threads[i].handle, start_routine, threads[i]))
if (!ok)
{ {
std::cerr << "Failed to create thread number " << i << std::endl; std::cerr << "Failed to create thread number " << i << std::endl;
::exit(EXIT_FAILURE); ::exit(EXIT_FAILURE);