mirror of
https://github.com/nginx/nginx.git
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118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
#ifndef _NGX_THREAD_H_INCLUDED_
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#define _NGX_THREAD_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#if (NGX_THREADS)
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#define NGX_MAX_THREADS 128
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#if (NGX_USE_RFORK)
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#include <ngx_freebsd_rfork_thread.h>
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#else /* use pthreads */
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#include <pthread.h>
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typedef pthread_t ngx_tid_t;
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#define ngx_thread_self() pthread_self()
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#define ngx_log_tid (int) ngx_thread_self()
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#define TID_T_FMT PTR_FMT
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typedef pthread_key_t ngx_tls_key_t;
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#define ngx_thread_key_create(key) pthread_key_create(key, NULL)
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#define ngx_thread_key_create_n "pthread_key_create()"
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#define ngx_thread_set_tls pthread_setspecific
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#define ngx_thread_set_tls_n "pthread_setspecific()"
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#define ngx_thread_get_tls pthread_getspecific
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#define NGX_MUTEX_LIGHT 0
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typedef struct {
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pthread_mutex_t mutex;
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ngx_log_t *log;
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} ngx_mutex_t;
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typedef struct {
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pthread_cond_t cond;
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ngx_tid_t tid;
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ngx_log_t *log;
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} ngx_cond_t;
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#define ngx_thread_sigmask pthread_sigmask
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#define ngx_thread_sigmask_n "pthread_sigmask()"
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#define ngx_thread_join(t, p) pthread_join(t, p)
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#define ngx_setthrtitle(n)
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ngx_int_t ngx_mutex_trylock(ngx_mutex_t *m);
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ngx_int_t ngx_mutex_lock(ngx_mutex_t *m);
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ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m);
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#endif
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#define ngx_thread_volatile volatile
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typedef struct {
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ngx_tid_t tid;
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ngx_cond_t *cv;
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ngx_uint_t state;
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} ngx_thread_t;
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#define NGX_THREAD_FREE 1
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#define NGX_THREAD_BUSY 2
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#define NGX_THREAD_EXIT 3
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#define NGX_THREAD_DONE 4
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extern ngx_int_t ngx_threads_n;
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extern volatile ngx_thread_t ngx_threads[NGX_MAX_THREADS];
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ngx_int_t ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle);
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int ngx_create_thread(ngx_tid_t *tid, void* (*func)(void *arg), void *arg,
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ngx_log_t *log);
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ngx_mutex_t *ngx_mutex_init(ngx_log_t *log, uint flags);
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void ngx_mutex_destroy(ngx_mutex_t *m);
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ngx_cond_t *ngx_cond_init(ngx_log_t *log);
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void ngx_cond_destroy(ngx_cond_t *cv);
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ngx_int_t ngx_cond_wait(ngx_cond_t *cv, ngx_mutex_t *m);
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ngx_int_t ngx_cond_signal(ngx_cond_t *cv);
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#else /* !NGX_THREADS */
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#define ngx_thread_volatile
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#define ngx_log_tid 0
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#define TID_T_FMT "%d"
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#define ngx_mutex_lock(m) NGX_OK
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#define ngx_mutex_unlock(m)
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#define ngx_cond_signal(cv)
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#define ngx_thread_main() 1
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#endif
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#endif /* _NGX_THREAD_H_INCLUDED_ */
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