1 /* $NetBSD: thread.c,v 1.4 2014/12/10 04:38:01 christos Exp $ */
2
3 /*
4 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 1998-2001 Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /* Id: thread.c,v 1.24 2007/06/19 23:47:19 tbox Exp */
21
22 #include <config.h>
23
24 #include <process.h>
25
26 #include <isc/thread.h>
27
28 isc_result_t
isc_thread_create(isc_threadfunc_t start,isc_threadarg_t arg,isc_thread_t * threadp)29 isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg,
30 isc_thread_t *threadp)
31 {
32 isc_thread_t thread;
33 unsigned int id;
34
35 thread = (isc_thread_t)_beginthreadex(NULL, 0, start, arg, 0, &id);
36 if (thread == NULL) {
37 /* XXX */
38 return (ISC_R_UNEXPECTED);
39 }
40
41 *threadp = thread;
42
43 return (ISC_R_SUCCESS);
44 }
45
46 isc_result_t
isc_thread_join(isc_thread_t thread,isc_threadresult_t * rp)47 isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) {
48 DWORD result;
49
50 result = WaitForSingleObject(thread, INFINITE);
51 if (result != WAIT_OBJECT_0) {
52 /* XXX */
53 return (ISC_R_UNEXPECTED);
54 }
55 if (rp != NULL && !GetExitCodeThread(thread, rp)) {
56 /* XXX */
57 return (ISC_R_UNEXPECTED);
58 }
59 (void)CloseHandle(thread);
60
61 return (ISC_R_SUCCESS);
62 }
63
64 void
isc_thread_setconcurrency(unsigned int level)65 isc_thread_setconcurrency(unsigned int level) {
66 /*
67 * This is unnecessary on Win32 systems, but is here so that the
68 * call exists
69 */
70 }
71
72 void *
isc_thread_key_getspecific(isc_thread_key_t key)73 isc_thread_key_getspecific(isc_thread_key_t key) {
74 return(TlsGetValue(key));
75 }
76
77 int
isc_thread_key_setspecific(isc_thread_key_t key,void * value)78 isc_thread_key_setspecific(isc_thread_key_t key, void *value) {
79 return (TlsSetValue(key, value) ? 0 : GetLastError());
80 }
81
82 int
isc_thread_key_create(isc_thread_key_t * key,void (* func)(void *))83 isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)) {
84 *key = TlsAlloc();
85
86 return ((*key != -1) ? 0 : GetLastError());
87 }
88
89 int
isc_thread_key_delete(isc_thread_key_t key)90 isc_thread_key_delete(isc_thread_key_t key) {
91 return (TlsFree(key) ? 0 : GetLastError());
92 }
93