Removing unused source file now that fix for bug #55674 has landed.

Thanks to Yannick Koehler <koehler@mythrium.com> for the patch.
r=cls@seawood.org sr=scc@mozilla.org


git-svn-id: svn://10.0.0.236/trunk@83781 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
cls%seawood.org
2000-12-17 08:47:43 +00:00
parent 1a8a90b822
commit 776fac5941

View File

@@ -1,373 +0,0 @@
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsITimer.h"
#include "nsITimerCallback.h"
#include "nsCRT.h"
#include "prlog.h"
#include <stdio.h>
#include <limits.h>
#include <OS.h>
#include <Application.h>
#include <Autolock.h>
#include <Message.h>
#include <signal.h>
#include <List.h>
#include <prthread.h>
static NS_DEFINE_IID(kITimerIID, NS_ITIMER_IID);
struct ThreadInterfaceData
{
void *data;
int32 sync;
};
static sem_id my_find_sem(const char *name)
{
sem_id ret = B_ERROR;
/* Get the sem_info for every sempahore in this team. */
sem_info info;
int32 cookie = 0;
while(get_next_sem_info(0, &cookie, &info) == B_OK)
if(strcmp(name, info.name) == 0)
{
ret = info.sem;
break;
}
return ret;
}
class TimerImpl;
class TimerManager;
class TimerManager : public BList
{
public:
TimerManager();
~TimerManager();
void AddRequest(TimerImpl *);
bool RemoveRequest(TimerImpl *);
private:
BLocker mLocker;
sem_id mSyncSem;
thread_id mTimerThreadID;
bool mQuitRequested;
static int32 sTimerThreadFunc(void *);
int32 TimerThreadFunc();
TimerImpl *FirstRequest() { return (TimerImpl *)FirstItem(); }
};
class TimerImpl : public nsITimer
{
friend class TimerManager;
public:
TimerImpl();
virtual ~TimerImpl();
virtual nsresult Init(nsTimerCallbackFunc aFunc,
void *aClosure,
PRUint32 aDelay,
PRUint32 aPriority = NS_PRIORITY_NORMAL,
PRUint32 aType = NS_TYPE_ONE_SHOT
);
virtual nsresult Init(nsITimerCallback *aCallback,
PRUint32 aDelay,
PRUint32 aPriority = NS_PRIORITY_NORMAL,
PRUint32 aType = NS_TYPE_ONE_SHOT
);
NS_DECL_ISUPPORTS
virtual void Cancel();
virtual PRUint32 GetDelay() { return mDelay; }
virtual void SetDelay(PRUint32);
virtual PRUint32 GetPriority() {}
virtual void SetPriority(PRUint32 aPriority) {}
virtual PRUint32 GetType() {}
virtual void SetType(PRUint32 aType) {}
virtual void* GetClosure() { return mClosure; }
void FireTimeout();
private:
nsresult Init(PRUint32 aDelay); // Initialize the timer.
bigtime_t mWhen; // Time when this request should be done
PRUint32 mDelay; // The delay set in Init()
nsTimerCallbackFunc mFunc; // The function to call back when expired
void *mClosure; // The argumnet to pass it.
nsITimerCallback *mCallback; // An interface to notify when expired.
bool mCanceled;
PRThread *mThread;
// PRBool mRepeat; // A repeat, not implemented yet.
public:
static TimerManager sTimerManager;
};
TimerManager TimerImpl::sTimerManager;
TimerManager::TimerManager()
: BList(40)
{
mQuitRequested = false;
mSyncSem = create_sem(0, "timer sync");
if(mSyncSem < 0)
debugger("Failed to create sem...");
mTimerThreadID = spawn_thread(&sTimerThreadFunc, "timer roster", B_URGENT_DISPLAY_PRIORITY, (void *)this);
if(mTimerThreadID < B_OK)
// is it the right way ?
debugger("Failed to spawn timer thread...");
resume_thread(mTimerThreadID);
}
TimerManager::~TimerManager()
{
// should we empty the list here and NS_RELEASE ?
mQuitRequested = true;
delete_sem(mSyncSem);
int32 junk;
wait_for_thread(mTimerThreadID, &junk);
}
void TimerManager::AddRequest(TimerImpl *inRequest)
{
if(mLocker.Lock())
{
NS_ADDREF(inRequest); // this is for the timer list
// insert sorted into timer event list
int32 count = CountItems();
int32 pos;
for(pos = 0; pos < count; pos++)
{
TimerImpl *entry = (TimerImpl *)ItemAtFast(pos);
if(entry->mWhen > inRequest->mWhen)
break;
}
AddItem(inRequest, pos);
if(pos == 0)
// We need to wake the thread to wait on the newly added event
release_sem(mSyncSem);
mLocker.Unlock();
}
}
bool TimerManager::RemoveRequest(TimerImpl *inRequest)
{
bool found = false;
if(mLocker.Lock())
{
if(RemoveItem(inRequest))
{
NS_RELEASE(inRequest);
found = true;
}
mLocker.Unlock();
}
return found;
}
int32 TimerManager::sTimerThreadFunc(void *inData)
{
return ((TimerManager *)inData)->TimerThreadFunc();
}
int32 TimerManager::TimerThreadFunc()
{
char portname[64];
char semname[64];
port_id eventport;
sem_id syncsem;
PRThread *cached = (PRThread *)-1;
while(! mQuitRequested)
{
TimerImpl *tobj = 0;
mLocker.Lock();
bigtime_t now = system_time();
// Fire expired pending requests
while((tobj = FirstRequest()) != 0 && tobj->mWhen <= now)
{
RemoveItem((int32)0);
mLocker.Unlock();
if(! tobj->mCanceled)
{
// fire it
if(tobj->mThread != cached)
{
sprintf(portname, "event%lx", tobj->mThread);
sprintf(semname, "sync%lx", tobj->mThread);
eventport = find_port(portname);
syncsem = my_find_sem(semname);
cached = tobj->mThread;
}
// call timer synchronously so we're sure tobj is alive
ThreadInterfaceData id;
id.data = tobj;
id.sync = true;
if(write_port(eventport, 'WMti', &id, sizeof(id)) == B_OK)
while(acquire_sem(syncsem) == B_INTERRUPTED)
;
}
NS_RELEASE(tobj);
mLocker.Lock();
}
mLocker.Unlock();
if(acquire_sem_etc(mSyncSem, 1, B_ABSOLUTE_TIMEOUT,
tobj ? tobj->mWhen : B_INFINITE_TIMEOUT) == B_BAD_SEM_ID)
break;
}
return B_OK;
}
//
// TimerImpl
//
void TimerImpl::FireTimeout()
{
if( ! mCanceled)
{
if(mFunc != NULL)
(*mFunc)(this, mClosure); // If there's a function, call it.
else if(mCallback != NULL)
mCallback->Notify(this); // But if there's an interface, notify it.
}
}
TimerImpl::TimerImpl()
{
NS_INIT_REFCNT();
mFunc = 0;
mCallback = 0;
mDelay = 0;
mClosure = 0;
mWhen = 0;
mCanceled = false;
}
TimerImpl::~TimerImpl()
{
Cancel();
NS_IF_RELEASE(mCallback);
}
void TimerImpl::SetDelay(PRUint32 aDelay)
{
mDelay = aDelay;
mWhen = system_time() + mDelay * 1000;
NS_ADDREF(this);
if (TimerImpl::sTimerManager.RemoveRequest(this))
TimerImpl::sTimerManager.AddRequest(this);
// NS_RELEASE(this); // ?*?*?*?* doesn't work...
Release(); // Is it the right way ?
}
nsresult TimerImpl::Init(nsTimerCallbackFunc aFunc, void *aClosure,
PRUint32 aDelay, PRUint32 aPriority, PRUint32 aType)
{
mFunc = aFunc;
mClosure = aClosure;
// mRepeat = aRepeat;
return Init(aDelay);
}
nsresult TimerImpl::Init(nsITimerCallback *aCallback,
PRUint32 aDelay, PRUint32 aPriority, PRUint32 aType)
{
mCallback = aCallback;
NS_ADDREF(mCallback);
// mRepeat = aRepeat;
return Init(aDelay);
}
nsresult TimerImpl::Init(PRUint32 aDelay)
{
mDelay = aDelay;
NS_ADDREF(this); // this is for clients of the timer
mWhen = system_time() + aDelay * 1000;
mThread = PR_GetCurrentThread();
sTimerManager.AddRequest(this);
return NS_OK;
}
NS_IMPL_ISUPPORTS(TimerImpl, kITimerIID);
void TimerImpl::Cancel()
{
mCanceled = true;
TimerImpl::sTimerManager.RemoveRequest(this);
}
nsresult NS_NewTimer(nsITimer** aInstancePtrResult)
{
NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
if(nsnull == aInstancePtrResult)
return NS_ERROR_NULL_POINTER;
TimerImpl *timer = new TimerImpl();
if(nsnull == timer)
return NS_ERROR_OUT_OF_MEMORY;
return timer->QueryInterface(kITimerIID, (void **) aInstancePtrResult);
}
void nsTimerExpired(void *aCallData)
{
TimerImpl* timer = (TimerImpl *)aCallData;
timer->FireTimeout();
NS_RELEASE(timer);
}