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[mozilla-nspr.git] / nsprpub / pr / src / md / unix / darwin.c
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
15 * The Original Code is the Netscape Portable Runtime (NSPR).
17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998-2000
20 * the Initial Developer. All Rights Reserved.
22 * Contributor(s):
24 * Alternatively, the contents of this file may be used under the terms of
25 * either the GNU General Public License Version 2 or later (the "GPL"), or
26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 * in which case the provisions of the GPL or the LGPL are applicable instead
28 * of those above. If you wish to allow use of your version of this file only
29 * under the terms of either the GPL or the LGPL, and not to allow others to
30 * use your version of this file under the terms of the MPL, indicate your
31 * decision by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL or the LGPL. If you do not delete
33 * the provisions above, a recipient may use your version of this file under
34 * the terms of any one of the MPL, the GPL or the LGPL.
36 * ***** END LICENSE BLOCK ***** */
38 #include "primpl.h"
40 void _MD_EarlyInit(void)
44 PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
46 #if !defined(_PR_PTHREADS)
47 if (isCurrent) {
48 (void) setjmp(CONTEXT(t));
50 *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
51 return (PRWord *) CONTEXT(t);
52 #else
53 *np = 0;
54 return NULL;
55 #endif
58 #if !defined(_PR_PTHREADS)
59 void
60 _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
62 return;
65 PRStatus
66 _MD_InitializeThread(PRThread *thread)
68 return PR_SUCCESS;
71 PRStatus
72 _MD_WAIT(PRThread *thread, PRIntervalTime ticks)
74 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
75 _PR_MD_SWITCH_CONTEXT(thread);
76 return PR_SUCCESS;
79 PRStatus
80 _MD_WAKEUP_WAITER(PRThread *thread)
82 if (thread) {
83 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
85 return PR_SUCCESS;
88 /* These functions should not be called for Darwin */
89 void
90 _MD_YIELD(void)
92 PR_NOT_REACHED("_MD_YIELD should not be called for Darwin.");
95 PRStatus
96 _MD_CREATE_THREAD(
97 PRThread *thread,
98 void (*start) (void *),
99 PRThreadPriority priority,
100 PRThreadScope scope,
101 PRThreadState state,
102 PRUint32 stackSize)
104 PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for Darwin.");
105 return PR_FAILURE;
107 #endif /* ! _PR_PTHREADS */
109 /* darwin.c */