Mercurial > hg > nginx-vendor-0-8
view src/os/unix/ngx_freebsd_rfork_thread.h @ 77:e6b3de2dc637
Added tag NGINX_0_1_38 for changeset da9a3b14312d
author | Igor Sysoev <http://sysoev.ru> |
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date | Fri, 08 Jul 2005 00:00:00 +0400 |
parents | 72eb30262aac |
children | cf3d6edb3ad6 |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ #define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ #include <sys/ipc.h> #include <sys/sem.h> #include <sched.h> typedef pid_t ngx_tid_t; #undef ngx_log_pid #define ngx_log_pid ngx_thread_self() #define ngx_log_tid 0 #define NGX_TID_T_FMT "%P" #define NGX_MUTEX_LIGHT 1 #define NGX_MUTEX_LOCK_BUSY 0x80000000 typedef volatile struct { ngx_atomic_t lock; ngx_log_t *log; int semid; } ngx_mutex_t; #define NGX_CV_SIGNAL 64 typedef struct { int signo; int kq; ngx_tid_t tid; ngx_log_t *log; } ngx_cond_t; #define ngx_thread_sigmask(how, set, oset) \ (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0 #define ngx_thread_sigmask_n "sigprocmask()" #define ngx_thread_join(t, p) #define ngx_setthrtitle(n) setproctitle(n) extern char *ngx_freebsd_kern_usrstack; extern size_t ngx_thread_stack_size; static ngx_inline ngx_int_t ngx_gettid() { char *sp; if (ngx_thread_stack_size == 0) { return 0; } #if ( __i386__ ) __asm__ volatile ("mov %%esp, %0" : "=q" (sp)); #elif ( __amd64__ ) __asm__ volatile ("mov %%rsp, %0" : "=q" (sp)); #else #error "rfork()ed threads are not supported on this platform" #endif return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size; } ngx_tid_t ngx_thread_self(); typedef ngx_uint_t ngx_tls_key_t; #define NGX_THREAD_KEYS_MAX 16 extern void **ngx_tls; ngx_err_t ngx_thread_key_create(ngx_tls_key_t *key); #define ngx_thread_key_create_n "the tls key creation" ngx_err_t ngx_thread_set_tls(ngx_tls_key_t key, void *value); #define ngx_thread_set_tls_n "the tls key setting" static void *ngx_thread_get_tls(ngx_tls_key_t key) { if (key >= NGX_THREAD_KEYS_MAX) { return NULL; } return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()]; } #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1) #define ngx_mutex_lock(m) ngx_mutex_dolock(m, 0) ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try); ngx_int_t ngx_mutex_unlock(ngx_mutex_t *m); typedef int (*ngx_rfork_thread_func_pt)(void *arg); #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */