/********************************************************************************

* MIT License

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

* SOFTWARE.

*

* Copyright (c) 2020 Sarayu Nhookeaw

*

********************************************************************************/

#ifndef CM_AFFINITY_H

#define CM_AFFINITY_H

#include "dll.h"

#include "arch.h"

#include "types.h"

#include "utils.h"

CM_BEGIN_EXTERN

#if defined(CM_SYS_WINDOWS)

typedef struct cmAffinity {

b32 is_accurate;

isize core_count;

isize thread_count;

#define CM_WIN32_MAX_THREADS (8 * cm_size_of(usize))

usize core_masks[CM_WIN32_MAX_THREADS];

} cmAffinity;

#elif defined(CM_SYS_OSX)

typedef struct cmAffinity {

b32 is_accurate;

isize core_count;

isize thread_count;

isize threads_per_core;

} cmAffinity;

#elif defined(CM_SYS_LINUX)

typedef struct cmAffinity {

b32 is_accurate;

isize core_count;

isize thread_count;

isize threads_per_core;

} cmAffinity;

#endif

CM_DEF void cm_affinity_init (cmAffinity *a);

CM_DEF void cm_affinity_destroy (cmAffinity *a);

CM_DEF b32 cm_affinity_set (cmAffinity *a, isize core, isize thread);

CM_DEF isize cm_affinity_thread_count_for_core(cmAffinity *a, isize core);

CM_END_EXTERN

#endif //CM_AFFINITY_H