ngx_debug_quit    395 os/unix/ngx_process.c             ngx_debug_quit = 1;
ngx_debug_quit     43 os/unix/ngx_process_cycle.c sig_atomic_t  ngx_debug_quit;
ngx_debug_quit   1038 os/unix/ngx_process_cycle.c                 ngx_debug_quit = 1;
ngx_debug_quit   1042 os/unix/ngx_process_cycle.c         if (ngx_debug_quit) {
ngx_debug_quit     52 os/unix/ngx_process_cycle.h extern sig_atomic_t    ngx_debug_quit;