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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/*****************************************************************************/
/* */
/* File Name : ithread.c */
/* */
/* Description : Contains abstraction for threads, mutex and semaphores*/
/* */
/* List of Functions : */
/* */
/* Issues / Problems : None */
/* */
/* Revision History : */
/* */
/* DD MM YYYY Author(s) Changes */
/* 07 09 2012 Harish Initial Version */
/*****************************************************************************/
/*****************************************************************************/
/* File Includes */
/*****************************************************************************/
#include <string.h>
#include "ih264_typedefs.h"
#include "ithread.h"
#include <sys/types.h>
#define UNUSED(x) ((void)(x))
//#define PTHREAD_AFFINITY
//#define SYSCALL_AFFINITY
#ifdef PTHREAD_AFFINITY
#define _GNU_SOURCE
#define __USE_GNU
#endif
#include <pthread.h>
#include <sched.h>
#include <semaphore.h>
#include <unistd.h>
#ifdef PTHREAD_AFFINITY
#include <sys/prctl.h>
#endif
UWORD32 ithread_get_handle_size(void)
{
return sizeof(pthread_t);
}
UWORD32 ithread_get_mutex_lock_size(void)
{
return sizeof(pthread_mutex_t);
}
WORD32 ithread_create(void *thread_handle, void *attribute, void *strt, void *argument)
{
UNUSED(attribute);
return pthread_create((pthread_t *)thread_handle, NULL,(void *(*)(void *)) strt, argument);
}
WORD32 ithread_join(void *thread_handle, void ** val_ptr)
{
UNUSED(val_ptr);
pthread_t *pthread_handle = (pthread_t *)thread_handle;
return pthread_join(*pthread_handle, NULL);
}
WORD32 ithread_get_mutex_struct_size(void)
{
return(sizeof(pthread_mutex_t));
}
WORD32 ithread_mutex_init(void *mutex)
{
return pthread_mutex_init((pthread_mutex_t *) mutex, NULL);
}
WORD32 ithread_mutex_destroy(void *mutex)
{
return pthread_mutex_destroy((pthread_mutex_t *) mutex);
}
WORD32 ithread_mutex_lock(void *mutex)
{
return pthread_mutex_lock((pthread_mutex_t *)mutex);
}
WORD32 ithread_mutex_unlock(void *mutex)
{
return pthread_mutex_unlock((pthread_mutex_t *)mutex);
}
void ithread_yield(void)
{
sched_yield();
}
void ithread_sleep(UWORD32 u4_time)
{
usleep(u4_time * 1000 * 1000);
}
void ithread_msleep(UWORD32 u4_time_ms)
{
usleep(u4_time_ms * 1000);
}
void ithread_usleep(UWORD32 u4_time_us)
{
usleep(u4_time_us);
}
UWORD32 ithread_get_sem_struct_size(void)
{
return(sizeof(sem_t));
}
WORD32 ithread_sem_init(void *sem,WORD32 pshared,UWORD32 value)
{
return sem_init((sem_t *)sem,pshared,value);
}
WORD32 ithread_sem_post(void *sem)
{
return sem_post((sem_t *)sem);
}
WORD32 ithread_sem_wait(void *sem)
{
return sem_wait((sem_t *)sem);
}
WORD32 ithread_sem_destroy(void *sem)
{
return sem_destroy((sem_t *)sem);
}
void ithread_set_name(CHAR *pc_thread_name)
{
#ifndef WIN32
#ifndef QNX
#ifndef IOS
UNUSED(pc_thread_name);
//prctl(PR_SET_NAME, (unsigned long)pu1_thread_name, 0, 0, 0);
#endif
#endif
#endif
}
WORD32 ithread_set_affinity(WORD32 core_id)
{
#ifdef PTHREAD_AFFINITY
cpu_set_t cpuset;
int num_cores = sysconf(_SC_NPROCESSORS_ONLN);
pthread_t cur_thread = pthread_self();
if (core_id >= num_cores)
return -1;
CPU_ZERO(&cpuset);
CPU_SET(core_id, &cpuset);
return pthread_setaffinity_np(cur_thread, sizeof(cpu_set_t), &cpuset);
#elif SYSCALL_AFFINITY
WORD32 i4_sys_res;
UNUSED(core_id);
pid_t pid = gettid();
i4_sys_res = syscall(__NR_sched_setaffinity, pid, sizeof(i4_mask), &i4_mask);
if (i4_sys_res)
{
//WORD32 err;
//err = errno;
//perror("Error in setaffinity syscall PERROR : ");
//LOG_ERROR("Error in the syscall setaffinity: mask=0x%x err=0x%x", i4_mask, i4_sys_res);
return -1;
}
#else
UNUSED(core_id);
#endif
return 1;
}
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