Mercurial > hg > nginx-quic
view src/os/unix/ngx_setaffinity.c @ 5142:afea5259e05c
Upstream: fixed tcp_nodelay with connection upgrade (ticket #325).
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 27 Mar 2013 15:18:34 +0000 |
parents | f31162fefe01 |
children | 7296b38f6416 |
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/* * Copyright (C) Nginx, Inc. */ #include <ngx_config.h> #include <ngx_core.h> #if (NGX_HAVE_CPUSET_SETAFFINITY) #include <sys/cpuset.h> void ngx_setaffinity(uint64_t cpu_affinity, ngx_log_t *log) { cpuset_t mask; ngx_uint_t i; ngx_log_error(NGX_LOG_NOTICE, log, 0, "cpuset_setaffinity(0x%08Xl)", cpu_affinity); CPU_ZERO(&mask); i = 0; do { if (cpu_affinity & 1) { CPU_SET(i, &mask); } i++; cpu_affinity >>= 1; } while (cpu_affinity); if (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID, -1, sizeof(cpuset_t), &mask) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "cpuset_setaffinity() failed"); } } #elif (NGX_HAVE_SCHED_SETAFFINITY) void ngx_setaffinity(uint64_t cpu_affinity, ngx_log_t *log) { cpu_set_t mask; ngx_uint_t i; ngx_log_error(NGX_LOG_NOTICE, log, 0, "sched_setaffinity(0x%08Xl)", cpu_affinity); CPU_ZERO(&mask); i = 0; do { if (cpu_affinity & 1) { CPU_SET(i, &mask); } i++; cpu_affinity >>= 1; } while (cpu_affinity); if (sched_setaffinity(0, sizeof(cpu_set_t), &mask) == -1) { ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, "sched_setaffinity() failed"); } } #endif