ngx_thread_mutex_create  122 src/core/ngx_thread_pool.c     if (ngx_thread_mutex_create(&tp->mtx, log) != NGX_OK) {
ngx_thread_mutex_create   22 src/os/unix/ngx_thread.h ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log);