view src/os/win32/ngx_thread.c @ 5115:a29c574d61fa

Status: introduced the "ngx_stat_waiting" counter. And corresponding variable $connections_waiting was added. Previously, waiting connections were counted as the difference between active connections and the sum of reading and writing connections. That made it impossible to count more than one request in one connection as reading or writing (as is the case for SPDY). Also, we no longer count connections in handshake state as waiting.
author Valentin Bartenev <vbart@nginx.com>
date Fri, 15 Mar 2013 20:00:49 +0000
parents 2942a827da09
children 94ce52db3367
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/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#include <ngx_config.h>
#include <ngx_core.h>


ngx_int_t      ngx_threads_n;


static size_t  stack_size;


ngx_err_t
ngx_create_thread(ngx_tid_t *tid,
    ngx_thread_value_t (__stdcall *func)(void *arg), void *arg, ngx_log_t *log)
{
    u_long     id;
    ngx_err_t  err;

    *tid = CreateThread(NULL, stack_size, func, arg, 0, &id);

    if (*tid != NULL) {
        ngx_log_error(NGX_LOG_NOTICE, log, 0,
                      "create thread " NGX_TID_T_FMT, id);
        return 0;
    }

    err = ngx_errno;
    ngx_log_error(NGX_LOG_ALERT, log, err, "CreateThread() failed");
    return err;
}


ngx_int_t
ngx_init_threads(int n, size_t size, ngx_cycle_t *cycle)
{
    stack_size = size;

    return NGX_OK;
}


ngx_err_t
ngx_thread_key_create(ngx_tls_key_t *key)
{
    *key = TlsAlloc();

    if (*key == TLS_OUT_OF_INDEXES) {
        return ngx_errno;
    }

    return 0;
}


ngx_err_t
ngx_thread_set_tls(ngx_tls_key_t *key, void *data)
{
    if (TlsSetValue(*key, data) == 0) {
        return ngx_errno;
    }

    return 0;
}


ngx_mutex_t *
ngx_mutex_init(ngx_log_t *log, ngx_uint_t flags)
{
    ngx_mutex_t  *m;

    m = ngx_alloc(sizeof(ngx_mutex_t), log);
    if (m == NULL) {
        return NULL;
    }

    m->log = log;

    /* STUB */

    return m;
}


/* STUB */

void
ngx_mutex_lock(ngx_mutex_t *m) {
    return;
}



ngx_int_t
ngx_mutex_trylock(ngx_mutex_t *m) {
    return NGX_OK;
}


void
ngx_mutex_unlock(ngx_mutex_t *m) {
    return;
}

/**/