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Annotation of embedaddon/ntp/lib/isc/win32/resource.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (C) 2004, 2007, 2008  Internet Systems Consortium, Inc. ("ISC")
        !             3:  * Copyright (C) 2000, 2001  Internet Software Consortium.
        !             4:  *
        !             5:  * Permission to use, copy, modify, and/or distribute this software for any
        !             6:  * purpose with or without fee is hereby granted, provided that the above
        !             7:  * copyright notice and this permission notice appear in all copies.
        !             8:  *
        !             9:  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
        !            10:  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
        !            11:  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
        !            12:  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
        !            13:  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
        !            14:  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
        !            15:  * PERFORMANCE OF THIS SOFTWARE.
        !            16:  */
        !            17: 
        !            18: /* $Id: resource.c,v 1.10 2008/07/11 23:47:09 tbox Exp $ */
        !            19: 
        !            20: #include <config.h>
        !            21: 
        !            22: #include <stdio.h>
        !            23: 
        !            24: #include <isc/platform.h>
        !            25: #include <isc/resource.h>
        !            26: #include <isc/result.h>
        !            27: #include <isc/util.h>
        !            28: 
        !            29: #include "errno2result.h"
        !            30: 
        !            31: /*
        !            32:  * Windows limits the maximum number of open files to 2048
        !            33:  */
        !            34: 
        !            35: #define WIN32_MAX_OPEN_FILES   2048
        !            36: 
        !            37: isc_result_t
        !            38: isc_resource_setlimit(isc_resource_t resource, isc_resourcevalue_t value) {
        !            39:        isc_resourcevalue_t rlim_value;
        !            40:        int wresult;
        !            41: 
        !            42:        if (resource != isc_resource_openfiles)
        !            43:                return (ISC_R_NOTIMPLEMENTED);
        !            44: 
        !            45: 
        !            46:        if (value == ISC_RESOURCE_UNLIMITED)
        !            47:                rlim_value = WIN32_MAX_OPEN_FILES;
        !            48:        else
        !            49:                rlim_value = min(value, WIN32_MAX_OPEN_FILES);
        !            50: 
        !            51:        wresult = _setmaxstdio((int) rlim_value);
        !            52: 
        !            53:        if (wresult > 0)
        !            54:                return (ISC_R_SUCCESS);
        !            55:        else
        !            56:                return (isc__errno2result(errno));
        !            57: }
        !            58: 
        !            59: isc_result_t
        !            60: isc_resource_getlimit(isc_resource_t resource, isc_resourcevalue_t *value) {
        !            61: 
        !            62:        if (resource != isc_resource_openfiles)
        !            63:                return (ISC_R_NOTIMPLEMENTED);
        !            64: 
        !            65:        *value = WIN32_MAX_OPEN_FILES;
        !            66:        return (ISC_R_SUCCESS);
        !            67: }
        !            68: 
        !            69: isc_result_t
        !            70: isc_resource_getcurlimit(isc_resource_t resource, isc_resourcevalue_t *value) {
        !            71:        return (isc_resource_getlimit(resource, value));
        !            72: }