Mercurial > hg > nginx

annotate src/os/unix/ngx_freebsd_rfork_thread.h @ 4412:d620f497c50f

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Copyright updated.
author Maxim Konovalov <maxim@nginx.com>
date Wed, 18 Jan 2012 15:07:43 +0000
parents ebcee0063cd8
children 15a7deeaa19a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_
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9 #define _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_
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12 #include <sys/ipc.h>
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13 #include <sys/sem.h>
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14 #include <sched.h>
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16 typedef pid_t ngx_tid_t;
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18 #define ngx_log_pid ngx_thread_self()
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19 #define ngx_log_tid 0
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21 #define NGX_TID_T_FMT "%P"
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24 #define NGX_MUTEX_LIGHT 1
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26 #define NGX_MUTEX_LOCK_BUSY 0x80000000
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28 typedef volatile struct {
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29 ngx_atomic_t lock;
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30 ngx_log_t *log;
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31 int semid;
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32 } ngx_mutex_t;
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35 #define NGX_CV_SIGNAL 64
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37 typedef struct {
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38 int signo;
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39 int kq;
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40 ngx_tid_t tid;
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41 ngx_log_t *log;
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42 } ngx_cond_t;
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45 #define ngx_thread_sigmask(how, set, oset) \
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46 (sigprocmask(how, set, oset) == -1) ? ngx_errno : 0
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48 #define ngx_thread_sigmask_n "sigprocmask()"
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49
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50 #define ngx_thread_join(t, p)
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52 #define ngx_setthrtitle(n) setproctitle(n)
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55 extern char *ngx_freebsd_kern_usrstack;
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56 extern size_t ngx_thread_stack_size;
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59 static ngx_inline ngx_int_t
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60 ngx_gettid()
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61 {
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62 char *sp;
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63
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64 if (ngx_thread_stack_size == 0) {
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65 return 0;
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66 }
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68 #if ( __i386__ )
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70 __asm__ volatile ("mov %%esp, %0" : "=q" (sp));
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72 #elif ( __amd64__ )
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74 __asm__ volatile ("mov %%rsp, %0" : "=q" (sp));
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75
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76 #else
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77
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78 #error "rfork()ed threads are not supported on this platform"
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79
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80 #endif
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81
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82 return (ngx_freebsd_kern_usrstack - sp) / ngx_thread_stack_size;
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83 }
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86 ngx_tid_t ngx_thread_self();
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88
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89 typedef ngx_uint_t ngx_tls_key_t;
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91 #define NGX_THREAD_KEYS_MAX 16
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93 extern void **ngx_tls;
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95 ngx_err_t ngx_thread_key_create(ngx_tls_key_t *key);
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96 #define ngx_thread_key_create_n "the tls key creation"
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98 ngx_err_t ngx_thread_set_tls(ngx_tls_key_t key, void *value);
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99 #define ngx_thread_set_tls_n "the tls key setting"
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101
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102 static void *
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103 ngx_thread_get_tls(ngx_tls_key_t key)
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104 {
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105 if (key >= NGX_THREAD_KEYS_MAX) {
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106 return NULL;
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107 }
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108
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109 return ngx_tls[key * NGX_THREAD_KEYS_MAX + ngx_gettid()];
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110 }
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112
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113 #define ngx_mutex_trylock(m) ngx_mutex_dolock(m, 1)
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114 #define ngx_mutex_lock(m) (void) ngx_mutex_dolock(m, 0)
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115 ngx_int_t ngx_mutex_dolock(ngx_mutex_t *m, ngx_int_t try);
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116 void ngx_mutex_unlock(ngx_mutex_t *m);
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117
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118
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119 typedef int (*ngx_rfork_thread_func_pt)(void *arg);
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120
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121
d0451e402e27 nginx-0.0.7-2004-07-05-10:55:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
122 #endif /* _NGX_FREEBSD_RFORK_THREAD_H_INCLUDED_ */