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/*
* 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
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