Mercurial > hg > nginx
view src/os/unix/ngx_setaffinity.c @ 5392:f1caf7b8ae1d
Upstream: subrequest_in_memory fix.
With previous code only part of u->buffer might be emptied in case
of special responses, resulting in partial responses seen by SSI set
in case of simple protocols, or spurious errors like "upstream sent
invalid chunked response" in case of complex ones.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Fri, 27 Sep 2013 16:50:26 +0400 |
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