Annotation of embedaddon/ntp/lib/isc/win32/resource.c, revision 1.1.1.1
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: }
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