diff options
| author | NGINX team <nginx@nginx.org> | 2012-03-28 14:00:08 +0000 |
|---|---|---|
| committer | Jon Kolb <jon@b0g.us> | 2012-03-28 14:00:08 +0000 |
| commit | 60a50f7b445d1ac18ea0b1ff140745b6844c6794 (patch) | |
| tree | b2edd9e3a38a3e58a0b348b6988e55f7f8be7cd0 /src/os/unix/ngx_setaffinity.c | |
| parent | 3e2cd7431101761df65f2242c667c037599aa0c4 (diff) | |
| download | nginx-60a50f7b445d1ac18ea0b1ff140745b6844c6794.tar.gz | |
Changes with nginx 1.1.18 28 Mar 2012v1.1.18
*) Change: keepalive connections are no longer disabled for Safari by
default.
*) Feature: the $connection_requests variable.
*) Feature: $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd and
$tcpinfo_rcv_space variables.
*) Feature: the "worker_cpu_affinity" directive now works on FreeBSD.
*) Feature: the "xslt_param" and "xslt_string_param" directives.
Thanks to Samuel Behan.
*) Bugfix: in configure tests.
Thanks to Piotr Sikora.
*) Bugfix: in the ngx_http_xslt_filter_module.
*) Bugfix: nginx could not be built on Debian GNU/Hurd.
Diffstat (limited to 'src/os/unix/ngx_setaffinity.c')
| -rw-r--r-- | src/os/unix/ngx_setaffinity.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/os/unix/ngx_setaffinity.c b/src/os/unix/ngx_setaffinity.c new file mode 100644 index 000000000..8f6cf3594 --- /dev/null +++ b/src/os/unix/ngx_setaffinity.c @@ -0,0 +1,69 @@ + +/* + * 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 |