MT support in mingw win32.

This commit is contained in:
Vitor Santos Costa 2012-06-29 15:38:49 -05:00
parent 2d71a96d54
commit 5989af937b
8 changed files with 141 additions and 107 deletions

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@ -170,7 +170,9 @@ typedef enum
#if __YAP_PROLOG__
#include "pl-yap.h"
#if _WIN32
#ifndef THREADS
typedef int pthread_t;
#endif
#define __WINDOWS__ 1
#else
#include <pthread.h>
@ -198,6 +200,21 @@ typedef uintptr_t PL_atomic_t; /* same a word */
#define TRAIL_OVERFLOW (-3)
#define ARGUMENT_OVERFLOW (-4)
/********************************
* THREADS *
*********************************/
#include "pl-thread.h"
#if O_PLMT
/*******************************
* WINDOWS *
*******************************/
#define WM_SIGNALLED (WM_USER+4201) /* how to select a good number!? */
#endif
/********************************
* UTILITIES *
*********************************/

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@ -126,6 +126,7 @@ INTERFACE_HEADERS = \
$(srcdir)/include/YapRegs.h \
$(srcdir)/H/YapTerm.h \
$(srcdir)/library/dialect/bprolog/fli/bprolog.h \
$(srcdir)/os/pl-thread.h \
$(srcdir)/os/SWI-Stream.h
IOLIB_HEADERS=$(srcdir)/os/pl-buffer.h \

1
config.h.in Normal file → Executable file
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@ -153,6 +153,7 @@
/* Define return type for signal */
#undef RETSIGTYPE
#undef HAVE__CHSIZE_S
#undef HAVE__NSGETENVIRON
#undef HAVE_ACCESS
#undef HAVE_ACOSH

4
include/SWI-Prolog.h Normal file → Executable file
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@ -662,11 +662,13 @@ PL_EXPORT(pl_wchar_t*) PL_atom_generator_w(const pl_wchar_t *pref,
* WINDOWS MESSAGES *
*******************************/
#ifdef _WINDOWS_ /* <windows.h> is included */
#if defined(_MSC_VER) || defined(__MINGW32__) /* <windows.h> is included */
#define PL_MSG_EXCEPTION_RAISED -1
#define PL_MSG_IGNORED 0
#define PL_MSG_HANDLED 1
#include <windows.h>
PL_EXPORT(LRESULT) PL_win_message_proc(HWND hwnd,
UINT message,
WPARAM wParam,

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@ -2595,7 +2595,7 @@ PL_set_engine(PL_engine_t engine, PL_engine_t *old)
}
pthread_mutex_lock(&(REMOTE_ThreadHandle(nwid).tlock));
if (REMOTE_ThreadHandle(nwid).pthread_handle) {
if (REMOTE_ThreadHandle(nwid).ref_count) {
pthread_mutex_unlock(&(REMOTE_ThreadHandle(nwid).tlock));
if (cwid != nwid) {
return PL_ENGINE_INUSE;

102
os/SWI-Stream.h Normal file → Executable file
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@ -94,107 +94,7 @@ typedef int64_t (*Sseek64_function)(void *handle, int64_t pos, int whence);
typedef int (*Sclose_function)(void *handle);
typedef int (*Scontrol_function)(void *handle, int action, void *arg);
#if defined(THREADS) && !defined(O_PLMT)
#define O_PLMT 1
#endif
#if defined(O_PLMT) && defined(PL_KERNEL)
/* Support PL_LOCK in the interface */
#if THREADS
#include <pthread.h>
typedef pthread_mutex_t simpleMutex;
#define simpleMutexInit(p) pthread_mutex_init(p, NULL)
#define simpleMutexDelete(p) pthread_mutex_destroy(p)
#define simpleMutexLock(p) pthread_mutex_lock(p)
#define simpleMutexUnlock(p) pthread_mutex_unlock(p)
typedef pthread_mutex_t recursiveMutex;
#define NEED_RECURSIVE_MUTEX_INIT 1
extern int recursiveMutexInit(recursiveMutex *m);
#define recursiveMutexDelete(p) pthread_mutex_destroy(p)
#define recursiveMutexLock(p) pthread_mutex_lock(p)
#define recursiveMutexTryLock(p) pthread_mutex_trylock(p)
#define recursiveMutexUnlock(p) pthread_mutex_unlock(p)
#define IF_MT(id, g) if ( id == L_THREAD || GD->thread.enabled ) g
typedef struct counting_mutex
{ simpleMutex mutex; /* mutex itself */
const char *name; /* name of the mutex */
long count; /* # times locked */
long unlocked; /* # times unlocked */
#ifdef O_CONTENTION_STATISTICS
long collisions; /* # contentions */
#endif
struct counting_mutex *next; /* next of allocated chain */
} counting_mutex;
extern counting_mutex *allocSimpleMutex(const char *name);
extern void freeSimpleMutex(counting_mutex *m);
extern counting_mutex _PL_mutexes[]; /* Prolog mutexes */
#define L_MISC 0
#define L_ALLOC 1
#define L_ATOM 2
#define L_FLAG 3
#define L_FUNCTOR 4
#define L_RECORD 5
#define L_THREAD 6
#define L_PREDICATE 7
#define L_MODULE 8
#define L_TABLE 9
#define L_BREAK 10
#define L_FILE 11
#define L_PLFLAG 12
#define L_OP 13
#define L_INIT 14
#define L_TERM 15
#define L_GC 16
#define L_AGC 17
#define L_FOREIGN 18
#define L_OS 19
#ifdef O_CONTENTION_STATISTICS
#define countingMutexLock(cm) \
do \
{ if ( pthread_mutex_trylock(&(cm)->mutex) == EBUSY ) \
{ (cm)->collisions++; \
pthread_mutex_lock(&(cm)->mutex); \
} \
(cm)->count++; \
} while(0)
#else
#define countingMutexLock(cm) \
do \
{ simpleMutexLock(&(cm)->mutex); \
(cm)->count++; \
} while(0)
#endif
#define countingMutexUnlock(cm) \
do \
{ (cm)->unlocked++; \
assert((cm)->unlocked <= (cm)->count); \
simpleMutexUnlock(&(cm)->mutex); \
} while(0)
#define PL_LOCK(id) IF_MT(id, countingMutexLock(&_PL_mutexes[id]))
#define PL_UNLOCK(id) IF_MT(id, countingMutexUnlock(&_PL_mutexes[id]))
#define IOLOCK recursiveMutex
#endif
#else
#define PL_LOCK(X)
#define PL_UNLOCK(X)
typedef void * IOLOCK;
#endif
#include "pl-thread.h"
typedef struct io_functions
{ Sread_function read; /* fill the buffer */

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@ -38,7 +38,7 @@
#include "pl-incl.h"
#include "pl-utf8.h"
#include <crtdbg.h>
//#include <crtdbg.h>
#include <process.h>
#include "pl-ctype.h"
#include <stdio.h>
@ -234,10 +234,16 @@ Pause(double t)
int
ftruncate(int fileno, int64_t length)
{ errno_t e;
{ int e;
#if HAVE__CHSIZE_S
/* not always available in mingw */
if ( (e=_chsize_s(fileno, length)) == 0 )
return 0;
#else
if ( (e=_chsize(fileno, (long)length)) == 0 )
return 0;
#endif
errno = e;
return -1;
@ -338,7 +344,7 @@ typedef struct
} showtype;
static int
get_showCmd(term_t show, int *cmd)
get_showCmd(term_t show, UINT *cmd)
{ char *s;
showtype *st;
static showtype types[] =
@ -721,7 +727,7 @@ static int
unify_csidl_path(term_t t, int csidl)
{ wchar_t buf[MAX_PATH];
if ( SHGetSpecialFolderPathW(0, buf, csidl, FALSE) )
if ( SHGetFolderPathW(0, csidl, NULL, FALSE, buf) )
{ wchar_t *p;
for(p=buf; *p; p++)

107
os/pl-thread.h Executable file
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@ -0,0 +1,107 @@
#ifndef PL_THREAD_H
#define PL_THREAD_H 1
#if defined(THREADS) && !defined(O_PLMT)
#define O_PLMT 1
#endif
#if defined(O_PLMT) // && defined(PL_KERNEL)
/* Support PL_LOCK in the interface */
#if THREADS
#include <pthread.h>
typedef pthread_mutex_t simpleMutex;
#define simpleMutexInit(p) pthread_mutex_init(p, NULL)
#define simpleMutexDelete(p) pthread_mutex_destroy(p)
#define simpleMutexLock(p) pthread_mutex_lock(p)
#define simpleMutexUnlock(p) pthread_mutex_unlock(p)
typedef pthread_mutex_t recursiveMutex;
#define NEED_RECURSIVE_MUTEX_INIT 1
extern int recursiveMutexInit(recursiveMutex *m);
#define recursiveMutexDelete(p) pthread_mutex_destroy(p)
#define recursiveMutexLock(p) pthread_mutex_lock(p)
#define recursiveMutexTryLock(p) pthread_mutex_trylock(p)
#define recursiveMutexUnlock(p) pthread_mutex_unlock(p)
#define IF_MT(id, g) if ( id == L_THREAD || GD->thread.enabled ) g
typedef struct counting_mutex
{ simpleMutex mutex; /* mutex itself */
const char *name; /* name of the mutex */
long count; /* # times locked */
long unlocked; /* # times unlocked */
#ifdef O_CONTENTION_STATISTICS
long collisions; /* # contentions */
#endif
struct counting_mutex *next; /* next of allocated chain */
} counting_mutex;
extern counting_mutex *allocSimpleMutex(const char *name);
extern void freeSimpleMutex(counting_mutex *m);
extern counting_mutex _PL_mutexes[]; /* Prolog mutexes */
#define L_MISC 0
#define L_ALLOC 1
#define L_ATOM 2
#define L_FLAG 3
#define L_FUNCTOR 4
#define L_RECORD 5
#define L_THREAD 6
#define L_PREDICATE 7
#define L_MODULE 8
#define L_TABLE 9
#define L_BREAK 10
#define L_FILE 11
#define L_PLFLAG 12
#define L_OP 13
#define L_INIT 14
#define L_TERM 15
#define L_GC 16
#define L_AGC 17
#define L_FOREIGN 18
#define L_OS 19
#ifdef O_CONTENTION_STATISTICS
#define countingMutexLock(cm) \
do \
{ if ( pthread_mutex_trylock(&(cm)->mutex) == EBUSY ) \
{ (cm)->collisions++; \
pthread_mutex_lock(&(cm)->mutex); \
} \
(cm)->count++; \
} while(0)
#else
#define countingMutexLock(cm) \
do \
{ simpleMutexLock(&(cm)->mutex); \
(cm)->count++; \
} while(0)
#endif
#define countingMutexUnlock(cm) \
do \
{ (cm)->unlocked++; \
assert((cm)->unlocked <= (cm)->count); \
simpleMutexUnlock(&(cm)->mutex); \
} while(0)
#define PL_LOCK(id) IF_MT(id, countingMutexLock(&_PL_mutexes[id]))
#define PL_UNLOCK(id) IF_MT(id, countingMutexUnlock(&_PL_mutexes[id]))
#define IOLOCK recursiveMutex
#endif
#else
#define PL_LOCK(X)
#define PL_UNLOCK(X)
typedef void * IOLOCK;
#endif
#endif