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comparison src/os/unix/ngx_process_cycle.c @ 4403:c8b9f62cb414

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Fixed sched_setaffinity(2) to correctly pass size. Second argument (cpusetsize) is size in bytes, not in bits. Previously used constant 32 resulted in reading of uninitialized memory and caused EINVAL to be returned on some Linux kernels.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 16 Jan 2012 11:13:48 +0000
parents 59b99f217c6d
children d620f497c50f
comparison
equal deleted inserted replaced
4402:b20019ecfdcc 4403:c8b9f62cb414
912 912
913 if (cpu_affinity) { 913 if (cpu_affinity) {
914 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, 914 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
915 "sched_setaffinity(0x%08Xl)", cpu_affinity); 915 "sched_setaffinity(0x%08Xl)", cpu_affinity);
916 916
917 if (sched_setaffinity(0, 32, (cpu_set_t *) &cpu_affinity) == -1) { 917 if (sched_setaffinity(0, sizeof(cpu_affinity),
918 (cpu_set_t *) &cpu_affinity)
919 == -1)
920 {
918 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, 921 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
919 "sched_setaffinity(0x%08Xl) failed", cpu_affinity); 922 "sched_setaffinity(0x%08Xl) failed", cpu_affinity);
920 } 923 }
921 } 924 }
922 925