* 设置线程亲和性，仅针对linux系统 */
| 148 | * 设置线程亲和性，仅针对linux系统 |
| 149 | */ |
| 150 | CVoid setAffinity(int index) { |
| 151 | #ifdef __linux__ |
| 152 | if (!config_->bind_cpu_enable_ || CGRAPH_CPU_NUM == 0 || index < 0) { |
| 153 | return; |
| 154 | } |
| 155 | |
| 156 | cpu_set_t mask; |
| 157 | CPU_ZERO(&mask); |
| 158 | CPU_SET(index % CGRAPH_CPU_NUM, &mask); |
| 159 | |
| 160 | auto handle = thread_.native_handle(); |
| 161 | int ret = pthread_setaffinity_np(handle, sizeof(cpu_set_t), &mask); |
| 162 | if (0 != ret) { |
| 163 | CGRAPH_ECHO("warning : set thread affinity failed, error code is [%d]", ret); |
| 164 | } |
| 165 | #endif |
| 166 | } |
| 167 | |
| 168 | |
| 169 | private: |