Mercurial > hg > nginx
diff src/os/unix/ngx_freebsd_rfork_thread.h @ 376:d0451e402e27
nginx-0.0.7-2004-07-05-10:55:54 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 05 Jul 2004 06:55:54 +0000 |
parents | |
children | 73688d5d7fc3 |
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new file mode 100644 --- /dev/null +++ b/src/os/unix/ngx_freebsd_rfork_thread.h @@ -0,0 +1,93 @@ +#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 TID_T_FMT PID_T_FMT + + +#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 inline int 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(); +#define ngx_thread_main() (ngx_gettid() == 0) + + +#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_ */