From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- nsprpub/pr/include/prpdce.h | 86 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 nsprpub/pr/include/prpdce.h (limited to 'nsprpub/pr/include/prpdce.h') diff --git a/nsprpub/pr/include/prpdce.h b/nsprpub/pr/include/prpdce.h new file mode 100644 index 0000000000..bf9ea9e2b7 --- /dev/null +++ b/nsprpub/pr/include/prpdce.h @@ -0,0 +1,86 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * File: prpdce.h + * Description: This file is the API defined to allow for DCE (aka POSIX) + * thread emulation in an NSPR environment. It is not the + * intent that this be a fully supported API. + */ + +#if !defined(PRPDCE_H) +#define PRPDCE_H + +#include "prlock.h" +#include "prcvar.h" +#include "prtypes.h" +#include "prinrval.h" + +PR_BEGIN_EXTERN_C + +#define _PR_NAKED_CV_LOCK (PRLock*)0xdce1dce1 + +/* +** Test and acquire a lock. +** +** If the lock is acquired by the calling thread, the +** return value will be PR_SUCCESS. If the lock is +** already held, by another thread or this thread, the +** result will be PR_FAILURE. +*/ +NSPR_API(PRStatus) PRP_TryLock(PRLock *lock); + +/* +** Create a naked condition variable +** +** A "naked" condition variable is one that is not created bound +** to a lock. The CV created with this function is the only type +** that may be used in the subsequent "naked" condition variable +** operations (see PRP_NakedWait, PRP_NakedNotify, PRP_NakedBroadcast); +*/ +NSPR_API(PRCondVar*) PRP_NewNakedCondVar(void); + +/* +** Destroy a naked condition variable +** +** Destroy the condition variable created by PR_NewNakedCondVar. +*/ +NSPR_API(void) PRP_DestroyNakedCondVar(PRCondVar *cvar); + +/* +** Wait on a condition +** +** Wait on the condition variable 'cvar'. It is asserted that +** the lock protecting the condition 'lock' is held by the +** calling thread. If more time expires than that declared in +** 'timeout' the condition will be notified. Waits can be +** interrupted by another thread. +** +** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar. +*/ +NSPR_API(PRStatus) PRP_NakedWait( + PRCondVar *cvar, PRLock *lock, PRIntervalTime timeout); + +/* +** Notify a thread waiting on a condition +** +** Notify the condition specified 'cvar'. +** +** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar. +*/ +NSPR_API(PRStatus) PRP_NakedNotify(PRCondVar *cvar); + +/* +** Notify all threads waiting on a condition +** +** Notify the condition specified 'cvar'. +** +** NB: The CV ('cvar') must be one created using PR_NewNakedCondVar. +*/ +NSPR_API(PRStatus) PRP_NakedBroadcast(PRCondVar *cvar); + +PR_END_EXTERN_C + +#endif /* PRPDCE_H */ -- cgit v1.2.3