mirror of https://github.com/pvnis/srsRAN_4G.git
Merge branch 'working_mac' of https://github.com/srslte/srslte into working_mac
Paul Sutton
10 years ago
commit
9bb70f153f
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The srsLTE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <pthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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bool threads_new_rt(pthread_t *thread, void *(*start_routine) (void*), void *arg);
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bool threads_new_rt_cpu(pthread_t *thread, void *(*start_routine) (void*), void *arg, int cpu);
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void threads_print_self();
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,116 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The srsLTE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <pthread.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <sys/types.h>
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#include "srsapps/common/threads.h"
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bool threads_new_rt(pthread_t *thread, void *(*start_routine) (void*), void *arg) {
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return threads_new_rt_cpu(thread, start_routine, arg, -1);
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}
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bool threads_new_rt_cpu(pthread_t *thread, void *(*start_routine) (void*), void *arg, int cpu) {
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bool ret = false;
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pthread_attr_t attr;
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struct sched_param param;
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param.sched_priority = sched_get_priority_max(SCHED_FIFO);
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pthread_attr_init(&attr);
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if (pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED)) {
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perror("pthread_attr_setinheritsched");
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}
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if (pthread_attr_setschedpolicy(&attr, SCHED_FIFO)) {
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perror("pthread_attr_setschedpolicy");
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}
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if (pthread_attr_setschedparam(&attr, ¶m)) {
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perror("pthread_attr_setschedparam");
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fprintf(stderr, "Error not enough privileges to set Scheduling priority\n");
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}
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if (cpu != -1) {
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cpu_set_t cpuset;
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CPU_ZERO(&cpuset);
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CPU_SET((size_t) cpu, &cpuset);
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if (pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset)) {
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perror("pthread_attr_setaffinity_np");
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}
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}
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if (pthread_create(thread, &attr, start_routine, arg)) {
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perror("pthread_create");
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} else {
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ret = true;
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}
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pthread_attr_destroy(&attr);
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return ret;
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}
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void threads_print_self() {
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pthread_t thread;
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cpu_set_t cpuset;
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struct sched_param param;
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int policy;
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const char *p;
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int s,j;
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thread = pthread_self();
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s = pthread_getaffinity_np(thread, sizeof(cpu_set_t), &cpuset);
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if (s != 0) {
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printf("error pthread_getaffinity_np: %s\n",strerror(s));
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}
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printf("Set returned by pthread_getaffinity_np() contained:\n");
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for (j = 0; j < CPU_SETSIZE; j++) {
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if (CPU_ISSET(j, &cpuset)) {
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printf(" CPU %d\n", j);
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}
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}
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s = pthread_getschedparam(thread, &policy, ¶m);
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if (s != 0) {
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printf("error pthread_getaffinity_np: %s\n", strerror(s));
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}
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switch(policy) {
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case SCHED_FIFO:
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p = "SCHED_FIFO";
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break;
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case SCHED_RR:
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p = "SCHED_RR";
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break;
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default:
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p = "Other";
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break;
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}
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printf("Sched policy is %s. Priority is %d\n",p,param.sched_priority);
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}
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