1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* This program is free software; you can redistribute it and/or modify
* it under the terms of version 3 or later of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if USE_MULTITHREAD
#include "backgammon.h"
#include <glib.h>
#ifdef WIN32
#include <windows.h>
#endif
/*#define DEBUG_MULTITHREADED 1*/
#ifdef DEBUG_MULTITHREADED
#define multi_debug(x) puts(x)
#else
#define multi_debug(x)
#endif
#define MAX_NUMTHREADS 16
typedef enum _TaskType {TT_ANALYSEMOVE, TT_ROLLOUTLOOP, TT_TEST, TT_RUNCALIBRATIONEVALS, TT_CLOSE, TT_ASYNCTASK} TaskType;
typedef struct _Task
{
TaskType type;
struct _Task *pLinkedTask;
} Task;
typedef struct _AsyncTask
{
Task task;
AsyncFun fun;
void *data;
} AsyncTask;
typedef struct _AnalyseMoveTask
{
Task task;
moverecord *pmr;
listOLD *plGame;
statcontext *psc;
matchstate ms;
} AnalyseMoveTask;
extern unsigned int MT_GetNumThreads(void);
extern void MT_InitThreads(void);
extern void MT_StartThreads(void);
extern void MT_Close(void);
extern void MT_AddTask(Task *pt, gboolean lock);
extern int MT_WaitForTasks(void (*pCallback)(void), int callbackTime);
extern void MT_SetNumThreads(unsigned int num);
extern int MT_Enabled(void);
extern int MT_GetThreadID(void);
extern void mt_add_tasks(int num_tasks, TaskType tt, gpointer linked);
extern void MT_Release(void);
extern int MT_GetDoneTasks(void);
extern void MT_SyncInit(void);
extern void MT_SyncStart(void);
extern double MT_SyncEnd(void);
extern void MT_Exclusive(void);
#ifdef GLIB_THREADS
#define MT_SafeInc(x) g_atomic_int_add(x, 1)
#define MT_SafeIncValue(x) (g_atomic_int_exchange_and_add(x, 1) + 1)
#define MT_SafeIncCheck(x) (g_atomic_int_exchange_and_add(x, 1))
#define MT_SafeAdd(x, y) g_atomic_int_exchange_and_add(x, y)
#define MT_SafeDec(x) g_atomic_int_add(x, -1)
#define MT_SafeDecCheck(x) g_atomic_int_dec_and_test(x)
#else
#define MT_SafeInc(x) (void)InterlockedIncrement((long*)x)
#define MT_SafeIncValue(x) InterlockedIncrement((long*)x)
#define MT_SafeIncCheck(x) (InterlockedIncrement((long*)x) > 1)
#define MT_SafeAdd(x, y) InterlockedExchangeAdd((long*)x, y)
#define MT_SafeDec(x) (void)InterlockedDecrement((long*)x)
#define MT_SafeDecCheck(x) (InterlockedDecrement((long*)x) == 0)
#endif
#else /*USE_MULTITHREAD*/
#define MT_SafeInc(x) (++(*x))
#define MT_SafeIncValue(x) (++(*x))
#define MT_SafeIncCheck(x) ((*x)++)
#define MT_SafeAdd(x, y) ((*x) += y)
#define MT_SafeDec(x) (--(*x))
#define MT_SafeDecCheck(x) ((--(*x)) == 0)
#define MT_GetThreadID(x) 0
#endif
|
