From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- .../xpcom18a4/nsprpub/pr/include/obsolete/prsem.h | 104 +++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 src/libs/xpcom18a4/nsprpub/pr/include/obsolete/prsem.h (limited to 'src/libs/xpcom18a4/nsprpub/pr/include/obsolete/prsem.h') diff --git a/src/libs/xpcom18a4/nsprpub/pr/include/obsolete/prsem.h b/src/libs/xpcom18a4/nsprpub/pr/include/obsolete/prsem.h new file mode 100644 index 00000000..447027a6 --- /dev/null +++ b/src/libs/xpcom18a4/nsprpub/pr/include/obsolete/prsem.h @@ -0,0 +1,104 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef prsem_h___ +#define prsem_h___ + +/* +** API for counting semaphores. Semaphores are counting synchronizing +** variables based on a lock and a condition variable. They are lightweight +** contention control for a given count of resources. +*/ +#include "prtypes.h" + +#ifdef VBOX_WITH_XPCOM_NAMESPACE_CLEANUP +#define PR_NewSem VBoxNsprPR_NewSem +#define PR_DestroySem VBoxNsprPR_DestroySem +#define PR_WaitSem VBoxNsprPR_WaitSem +#define PR_PostSem VBoxNsprPR_PostSem +#define PR_GetValueSem VBoxNsprPR_GetValueSem +#endif /* VBOX_WITH_XPCOM_NAMESPACE_CLEANUP */ + +PR_BEGIN_EXTERN_C + +typedef struct PRSemaphore PRSemaphore; + +/* +** Create a new semaphore object. +*/ +NSPR_API(PRSemaphore*) PR_NewSem(PRUintn value); + +/* +** Destroy the given semaphore object. +** +*/ +NSPR_API(void) PR_DestroySem(PRSemaphore *sem); + +/* +** Wait on a Semaphore. +** +** This routine allows a calling thread to wait or proceed depending upon the +** state of the semahore sem. The thread can proceed only if the counter value +** of the semaphore sem is currently greater than 0. If the value of semaphore +** sem is positive, it is decremented by one and the routine returns immediately +** allowing the calling thread to continue. If the value of semaphore sem is 0, +** the calling thread blocks awaiting the semaphore to be released by another +** thread. +** +** This routine can return PR_PENDING_INTERRUPT if the waiting thread +** has been interrupted. +*/ +NSPR_API(PRStatus) PR_WaitSem(PRSemaphore *sem); + +/* +** This routine increments the counter value of the semaphore. If other threads +** are blocked for the semaphore, then the scheduler will determine which ONE +** thread will be unblocked. +*/ +NSPR_API(void) PR_PostSem(PRSemaphore *sem); + +/* +** Returns the value of the semaphore referenced by sem without affecting +** the state of the semaphore. The value represents the semaphore vaule +F** at the time of the call, but may not be the actual value when the +** caller inspects it. +*/ +NSPR_API(PRUintn) PR_GetValueSem(PRSemaphore *sem); + +PR_END_EXTERN_C + +#endif /* prsem_h___ */ -- cgit v1.2.3