#ifndef _NGX_THREAD_H_INCLUDED_
#define _NGX_THREAD_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
#if (NGX_THREADS)
#include <pthread.h>
typedef pthread_mutex_t ngx_thread_mutex_t;
ngx_int_t ngx_thread_mutex_create(ngx_thread_mutex_t *mtx, ngx_log_t *log);
ngx_int_t ngx_thread_mutex_destroy(ngx_thread_mutex_t *mtx, ngx_log_t *log);
ngx_int_t ngx_thread_mutex_lock(ngx_thread_mutex_t *mtx, ngx_log_t *log);
ngx_int_t ngx_thread_mutex_unlock(ngx_thread_mutex_t *mtx, ngx_log_t *log);
typedef pthread_cond_t ngx_thread_cond_t;
ngx_int_t ngx_thread_cond_create(ngx_thread_cond_t *cond, ngx_log_t *log);
ngx_int_t ngx_thread_cond_destroy(ngx_thread_cond_t *cond, ngx_log_t *log);
ngx_int_t ngx_thread_cond_signal(ngx_thread_cond_t *cond, ngx_log_t *log);
ngx_int_t ngx_thread_cond_wait(ngx_thread_cond_t *cond, ngx_thread_mutex_t *mtx,
ngx_log_t *log);
#if (NGX_LINUX)
typedef pid_t ngx_tid_t;
#define NGX_TID_T_FMT …
#elif (NGX_FREEBSD)
typedef uint32_t ngx_tid_t;
#define NGX_TID_T_FMT …
#elif (NGX_DARWIN)
typedef uint64_t ngx_tid_t;
#define NGX_TID_T_FMT …
#else
typedef uint64_t ngx_tid_t;
#define NGX_TID_T_FMT …
#endif
ngx_tid_t ngx_thread_tid(void);
#define ngx_log_tid …
#else
#define ngx_log_tid …
#define NGX_TID_T_FMT …
#endif
#endif