| /* | |
| * Copyright (C) Nginx, Inc. | |
| */ | |
| #include <ngx_config.h> | |
| #include <ngx_core.h> | |
| #if (NGX_HAVE_CPUSET_SETAFFINITY) | |
| void | |
| ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) | |
| { | |
| ngx_uint_t i; | |
| for (i = 0; i < CPU_SETSIZE; i++) { | |
| if (CPU_ISSET(i, cpu_affinity)) { | |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, | |
| "cpuset_setaffinity(): using cpu #%ui", i); | |
| } | |
| } | |
| if (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, | |
| sizeof(cpuset_t), cpu_affinity) == -1) | |
| { | |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| "cpuset_setaffinity() failed"); | |
| } | |
| } | |
| #elif (NGX_HAVE_SCHED_SETAFFINITY) | |
| void | |
| ngx_setaffinity(ngx_cpuset_t *cpu_affinity, ngx_log_t *log) | |
| { | |
| ngx_uint_t i; | |
| for (i = 0; i < CPU_SETSIZE; i++) { | |
| if (CPU_ISSET(i, cpu_affinity)) { | |
| ngx_log_error(NGX_LOG_NOTICE, log, 0, | |
| "sched_setaffinity(): using cpu #%ui", i); | |
| } | |
| } | |
| if (sched_setaffinity(0, sizeof(cpu_set_t), cpu_affinity) == -1) { | |
| ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| "sched_setaffinity() failed"); | |
| } | |
| } | |
| #endif |