87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/*
|
|
Copyright (c) 2005-2017 Intel Corporation
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
|
|
|
|
|
|
|
|
*/
|
|
|
|
#ifndef __TBB_global_control_H
|
|
#define __TBB_global_control_H
|
|
|
|
#if !TBB_PREVIEW_GLOBAL_CONTROL && !__TBB_BUILD
|
|
#error Set TBB_PREVIEW_GLOBAL_CONTROL before including global_control.h
|
|
#endif
|
|
|
|
#include "tbb_stddef.h"
|
|
|
|
namespace tbb {
|
|
namespace interface9 {
|
|
|
|
class global_control {
|
|
public:
|
|
enum parameter {
|
|
max_allowed_parallelism,
|
|
thread_stack_size,
|
|
parameter_max // insert new parameters above this point
|
|
};
|
|
|
|
global_control(parameter p, size_t value) :
|
|
my_value(value), my_next(NULL), my_param(p) {
|
|
__TBB_ASSERT(my_param < parameter_max, "Invalid parameter");
|
|
#if __TBB_WIN8UI_SUPPORT
|
|
// For Windows Store* apps it's impossible to set stack size
|
|
if (p==thread_stack_size)
|
|
return;
|
|
#elif __TBB_x86_64 && (_WIN32 || _WIN64)
|
|
if (p==thread_stack_size)
|
|
__TBB_ASSERT_RELEASE((unsigned)value == value, "Stack size is limited to unsigned int range");
|
|
#endif
|
|
if (my_param==max_allowed_parallelism)
|
|
__TBB_ASSERT_RELEASE(my_value>0, "max_allowed_parallelism cannot be 0.");
|
|
internal_create();
|
|
}
|
|
|
|
~global_control() {
|
|
__TBB_ASSERT(my_param < parameter_max, "Invalid parameter. Probably the object was corrupted.");
|
|
#if __TBB_WIN8UI_SUPPORT
|
|
// For Windows Store* apps it's impossible to set stack size
|
|
if (my_param==thread_stack_size)
|
|
return;
|
|
#endif
|
|
internal_destroy();
|
|
}
|
|
|
|
static size_t active_value(parameter p) {
|
|
__TBB_ASSERT(p < parameter_max, "Invalid parameter");
|
|
return active_value((int)p);
|
|
}
|
|
private:
|
|
size_t my_value;
|
|
global_control *my_next;
|
|
parameter my_param;
|
|
|
|
void __TBB_EXPORTED_METHOD internal_create();
|
|
void __TBB_EXPORTED_METHOD internal_destroy();
|
|
static size_t __TBB_EXPORTED_FUNC active_value(int param);
|
|
};
|
|
} // namespace interface9
|
|
|
|
using interface9::global_control;
|
|
|
|
} // tbb
|
|
|
|
#endif // __TBB_global_control_H
|