/*
* Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <errno.h>
#import "OFPlainThread.h"
#import "macros.h"
#include <windows.h>
struct ThreadContext {
void (*function)(id);
id object;
};
static WINAPI void
functionWrapper(struct ThreadContext *context)
{
context->function(context->object);
free(context);
}
int
OFPlainThreadAttributesInit(OFPlainThreadAttributes *attr)
{
attr->priority = 0;
attr->stackSize = 0;
return 0;
}
int
OFPlainThreadNew(OFPlainThread *thread, const char *name, void (*function)(id),
id object, const OFPlainThreadAttributes *attr)
{
DWORD priority = THREAD_PRIORITY_NORMAL;
struct ThreadContext *context;
DWORD threadID;
if (attr != NULL && attr->priority != 0) {
if (attr->priority < -1 || attr->priority > 1)
return EINVAL;
if (attr->priority < 0)
priority = THREAD_PRIORITY_LOWEST +
(1.0 + attr->priority) *
(THREAD_PRIORITY_NORMAL - THREAD_PRIORITY_LOWEST);
else
priority = THREAD_PRIORITY_NORMAL +
attr->priority *
(THREAD_PRIORITY_HIGHEST - THREAD_PRIORITY_NORMAL);
}
if ((context = malloc(sizeof(*context))) == NULL)
return ENOMEM;
context->function = function;
context->object = object;
*thread = CreateThread(NULL, (attr != NULL ? attr->stackSize : 0),
(LPTHREAD_START_ROUTINE)functionWrapper, context, 0, &threadID);
if (thread == NULL) {
int error;
switch (GetLastError()) {
case ERROR_NOT_ENOUGH_MEMORY:
error = ENOMEM;
break;
case ERROR_ACCESS_DENIED:
error = EACCES;
break;
default:
OFEnsure(0);
}
free(context);
return error;
}
if (attr != NULL && attr->priority != 0)
OFEnsure(!SetThreadPriority(*thread, priority));
return 0;
}
int
OFPlainThreadJoin(OFPlainThread thread)
{
switch (WaitForSingleObject(thread, INFINITE)) {
case WAIT_OBJECT_0:
CloseHandle(thread);
return 0;
case WAIT_FAILED:
switch (GetLastError()) {
case ERROR_INVALID_HANDLE:
return EINVAL;
default:
OFEnsure(0);
}
default:
OFEnsure(0);
}
}
int
OFPlainThreadDetach(OFPlainThread thread)
{
CloseHandle(thread);
return 0;
}
void
OFSetThreadName(const char *name)
{
}