view src/os/win32/ngx_thread.c @ 4487:a786c85e8268

Disable symlinks: don't allow creating or truncating a file via a symlink in the last path component if "if_not_owner" parameter is used. To prevent race condition we have to open a file before checking its owner and there's no way to change access flags for already opened file descriptor, so we disable symlinks for the last path component at all if flags allow creating or truncating the file.
author Valentin Bartenev <vbart@nginx.com>
date Tue, 21 Feb 2012 15:04:41 +0000
parents d620f497c50f
children 2942a827da09
line wrap: on
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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)
{
    return (ngx_mutex_t *) 1;
}


/* 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;
}

/**/