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Replaced the Win32 threads with the proven to be better performing C++11 threads.

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OBattler
2021-12-17 03:49:54 +01:00
parent 84ff7ab6ff
commit 707acadd36
5 changed files with 138 additions and 188 deletions
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183
src/win/win_thread.c
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@@ -1,183 +0,0 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Implement threads and mutexes for the Win32 platform.
*
*
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2017,2018 Fred N. van Kempen.
*/
#define UNICODE
#define BITMAP WINDOWS_BITMAP
#include <windows.h>
#include <windowsx.h>
#include <process.h>
#undef BITMAP
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <wchar.h>
#include <86box/86box.h>
#include <86box/plat.h>
typedef struct {
HANDLE handle;
} win_event_t;
thread_t *
thread_create(void (*func)(void *param), void *param)
{
uintptr_t bt = _beginthread(func, 0, param);
return((thread_t *)bt);
}
int
thread_wait(thread_t *arg, int timeout)
{
if (arg == NULL) return(0);
if (timeout == -1)
timeout = INFINITE;
if (WaitForSingleObject(arg, timeout)) return(1);
return(0);
}
event_t *
thread_create_event(void)
{
win_event_t *ev = malloc(sizeof(win_event_t));
ev->handle = CreateEvent(NULL, FALSE, FALSE, NULL);
return((event_t *)ev);
}
void
thread_set_event(event_t *arg)
{
win_event_t *ev = (win_event_t *)arg;
if (arg == NULL) return;
SetEvent(ev->handle);
}
void
thread_reset_event(event_t *arg)
{
win_event_t *ev = (win_event_t *)arg;
if (arg == NULL) return;
ResetEvent(ev->handle);
}
int
thread_wait_event(event_t *arg, int timeout)
{
win_event_t *ev = (win_event_t *)arg;
if (arg == NULL) return(0);
if (ev->handle == NULL) return(0);
if (timeout == -1)
timeout = INFINITE;
if (WaitForSingleObject(ev->handle, timeout)) return(1);
return(0);
}
void
thread_destroy_event(event_t *arg)
{
win_event_t *ev = (win_event_t *)arg;
if (arg == NULL) return;
CloseHandle(ev->handle);
free(ev);
}
mutex_t *
thread_create_mutex(void)
{
mutex_t *mutex = malloc(sizeof(CRITICAL_SECTION));
InitializeCriticalSection(mutex);
return mutex;
}
mutex_t *
thread_create_mutex_with_spin_count(unsigned int spin_count)
{
mutex_t *mutex = malloc(sizeof(CRITICAL_SECTION));
InitializeCriticalSectionAndSpinCount(mutex, spin_count);
return mutex;
}
int
thread_wait_mutex(mutex_t *mutex)
{
if (mutex == NULL) return(0);
LPCRITICAL_SECTION critsec = (LPCRITICAL_SECTION)mutex;
EnterCriticalSection(critsec);
return 1;
}
int
thread_release_mutex(mutex_t *mutex)
{
if (mutex == NULL) return(0);
LPCRITICAL_SECTION critsec = (LPCRITICAL_SECTION)mutex;
LeaveCriticalSection(critsec);
return 1;
}
void
thread_close_mutex(mutex_t *mutex)
{
if (mutex == NULL) return;
LPCRITICAL_SECTION critsec = (LPCRITICAL_SECTION)mutex;
DeleteCriticalSection(critsec);
free(critsec);
}