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comparison src/os/unix/ngx_process_cycle.c @ 6651:7d4e33092e2a

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Always seed PRNG with PID, seconds, and milliseconds.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 04 Aug 2016 23:43:10 +0300
parents 1a1d55834b5c
children ca709bca4b77
comparison
equal deleted inserted replaced
6650:1a1d55834b5c 6651:7d4e33092e2a
783 static void 783 static void
784 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker) 784 ngx_worker_process_init(ngx_cycle_t *cycle, ngx_int_t worker)
785 { 785 {
786 sigset_t set; 786 sigset_t set;
787 ngx_int_t n; 787 ngx_int_t n;
788 ngx_time_t *tp;
788 ngx_uint_t i; 789 ngx_uint_t i;
789 ngx_cpuset_t *cpu_affinity; 790 ngx_cpuset_t *cpu_affinity;
790 struct rlimit rlmt; 791 struct rlimit rlmt;
791 ngx_core_conf_t *ccf; 792 ngx_core_conf_t *ccf;
792 ngx_listening_t *ls; 793 ngx_listening_t *ls;
882 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) { 883 if (sigprocmask(SIG_SETMASK, &set, NULL) == -1) {
883 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, 884 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
884 "sigprocmask() failed"); 885 "sigprocmask() failed");
885 } 886 }
886 887
887 srandom(((unsigned) ngx_pid << 16) ^ ngx_time()); 888 tp = ngx_timeofday();
889 srandom(((unsigned) ngx_pid << 16) ^ tp->sec ^ tp->msec);
888 890
889 /* 891 /*
890 * disable deleting previous events for the listening sockets because 892 * disable deleting previous events for the listening sockets because
891 * in the worker processes there are no events at all at this point 893 * in the worker processes there are no events at all at this point
892 */ 894 */