2004-09-28 16:34:51 +08:00
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/*
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2004-09-30 00:00:49 +08:00
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* Copyright (C) Igor Sysoev
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2004-09-28 16:34:51 +08:00
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*/
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2004-07-05 14:55:54 +08:00
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#ifndef _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_
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#define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_
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#include <sys/ipc.h>
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#include <sys/sem.h>
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#include <sched.h>
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typedef pid_t ngx_tid_t;
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#define ngx_log_pid ngx_thread_self()
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#define ngx_log_tid 0
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2004-11-11 22:07:14 +08:00
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#define NGX_TID_T_FMT "%P"
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2004-07-07 00:12:16 +08:00
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2004-07-05 14:55:54 +08:00
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#define NGX_MUTEX_LIGHT 1
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#define NGX_MUTEX_LOCK_BUSY 0x80000000
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typedef volatile struct {
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ngx_atomic_t lock;
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ngx_log_t *log;
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int semid;
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} ngx_mutex_t;
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#define NGX_CV_SIGNAL 64
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typedef struct {
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int signo;
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int kq;
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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(how, set, oset) \
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(sigprocmask(how, set, oset) == -1) ? ngx_errno : 0
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#define ngx_thread_sigmask_n "sigprocmask()"
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#define ngx_thread_join(t, p)
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#define ngx_setthrtitle(n) setproctitle(n)
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extern char *ngx_freebsd_kern_usrstack;
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extern size_t ngx_thread_stack_size;
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2005-10-19 20:33:58 +08:00
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static ngx_inline ngx_int_t
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ngx_gettid()
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2004-07-05 14:55:54 +08:00
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{
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char *sp;
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if (ngx_thread_stack_size == 0) {
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return 0;
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}
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#if ( __i386__ )
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__asm__ volatile ("mov %%esp, %0" : "=q" (sp));
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#elif ( __amd64__ )
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__asm__ volatile ("mov %%rsp, %0" : "=q" (sp));
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#else
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#error "rfork()ed threads are not supported on this platform"
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#endif
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return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size;
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}
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ngx_tid_t ngx_thread_self();
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2004-07-07 23:01:00 +08:00
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typedef ngx_uint_t ngx_tls_key_t;
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#define NGX_THREAD_KEYS_MAX 16
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extern void **ngx_tls;
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2004-11-11 22:07:14 +08:00
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ngx_err_t ngx_thread_key_create(ngx_tls_key_t *key);
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2004-07-07 23:01:00 +08:00
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#define ngx_thread_key_create_n "the tls key creation"
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2004-11-11 22:07:14 +08:00
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ngx_err_t ngx_thread_set_tls(ngx_tls_key_t key, void *value);
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2004-07-07 23:01:00 +08:00
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#define ngx_thread_set_tls_n "the tls key setting"
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2005-10-19 20:33:58 +08:00
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static void *
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ngx_thread_get_tls(ngx_tls_key_t key)
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2005-11-15 21:30:52 +08:00
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{
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2004-07-07 23:01:00 +08:00
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if (key >= NGX_THREAD_KEYS_MAX) {
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return NULL;
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}
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return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()];
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}
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2004-07-05 14:55:54 +08:00
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#define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1)
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2005-10-19 20:33:58 +08:00
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#define ngx_mutex_lock(m) (void) ngx_mutex_dolock(m, 0)
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2004-07-05 14:55:54 +08:00
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ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try);
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2005-10-19 20:33:58 +08:00
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void ngx_mutex_unlock(ngx_mutex_t *m);
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2004-07-05 14:55:54 +08:00
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typedef int (*ngx_rfork_thread_func_pt)(void *arg);
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#endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */
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