int GUI::OpenPipe(char *Command, EModel *notify) {
int i;
for (i = 0; i < MAX_PIPES; i++) {
if (Pipes[i].used == 0) {
Pipes[i].reading = 1;
Pipes[i].stopped = 1;
Pipes[i].id = i;
Pipes[i].bufused = 0;
Pipes[i].bufpos = 0;
Pipes[i].buflen = PIPE_BUFLEN;
Pipes[i].Command = strdup(Command);
Pipes[i].notify = notify;
Pipes[i].DoTerm = 0;
if ((Pipes[i].buffer = (char *)malloc(PIPE_BUFLEN)) == 0) {
free(Pipes[i].Command);
return -1;
}
if (0 != DosCreateMutexSem(0, &Pipes[i].Access, 0, 0)) {
free(Pipes[i].Command);
free(Pipes[i].buffer);
return -1;
}
if (0 != DosCreateEventSem(0, &Pipes[i].ResumeRead, 0, 0)) {
free(Pipes[i].Command);
free(Pipes[i].buffer);
DosCloseMutexSem(Pipes[i].Access);
return -1;
}
if (0 != DosCreateEventSem(0, &Pipes[i].NewData, 0, 0)) {
free(Pipes[i].Command);
free(Pipes[i].buffer);
DosCloseEventSem(Pipes[i].ResumeRead);
DosCloseMutexSem(Pipes[i].Access);
return -1;
}
#if defined(__WATCOMC__) || defined(__MT__) || defined(__MULTI__)
Pipes[i].tid = _beginthread(PipeThread,
FAKE_BEGINTHREAD_NULL
16384, &Pipes[i]);
#else // if defined(__WATCOMC__) || defined(__MT__) || defined(__MULTI__)
DosCreateThread(Pipes[i].tid,
(PFNTHREAD)PipeThread,
&Pipes[i],
0, /* immediate */
16384);
#endif // if defined(__WATCOMC__) || defined(__MT__) || defined(__MULTI__)
Pipes[i].used = 1;
// fprintf(stderr, "Pipe Open: %d\n", i);
return i;
}
}
return -1;
}
static int RequestCom(void)
{
USHORT res;
HMTX sem=0;
printf("Sending message to AM4PM to release COM port\n");
res=SendExtQMsg(EQ_RELCOM, NULL, 0);
if (res)
return res;
res=DosOpenMutexSem(szSemCom, &sem);
if (res)
{
printf("Error %u opening semaphore\n", res);
return 3;
}
res=DosRequestMutexSem(sem, 120000l);
if (res)
{
DosCloseMutexSem(sem);
if (res==ERROR_TIMEOUT)
{
printf("Timeout waiting for AM4PM to release COM port\n");
return 4;
}
printf("Error %u waiting for semaphore\n", res);
return 3;
}
DosReleaseMutexSem(sem);
DosCloseMutexSem(sem);
return 0;
}
int CloseMarkerList(PMARKERLIST pList)
{
if (DosCloseMutexSem(pList->hmtxAccess))
return 1;
else
return 0;
}
/*
** This routine deallocates a previously allocated mutex.
** SQLite is careful to deallocate every mutex that it allocates.
*/
void sqlite3_mutex_free(sqlite3_mutex *p){
assert( p );
assert( p->nRef==0 );
assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
DosCloseMutexSem( p->mutex );
sqlite3_free( p );
}
//---------------------------------------------------------------------
// LibMain
//
// This gets called at DLL initialization and termination.
//---------------------------------------------------------------------
unsigned _System LibMain(unsigned hmod, unsigned termination)
{
int i;
if (termination)
{
// Cleanup!
if (bRunning)
SSModule_StopSaving();
// Free NLS text, if it wouldn't be (safety net)
for (i=0; i<SSMODULE_NLSTEXT_MAX+1; i++)
{
if (apchNLSText[i])
{
free(apchNLSText[i]);
apchNLSText[i] = NULL;
}
}
// Free semaphore
DosCloseMutexSem(hmtxUseNLSTextArray); hmtxUseNLSTextArray = NULLHANDLE;
} else
{
// Startup!
hmodOurDLLHandle = (HMODULE) hmod;
bRunning = FALSE;
// Initialize NLS text array
for (i=0; i<SSMODULE_NLSTEXT_MAX+1; i++)
apchNLSText[i] = NULL;
// Create semaphore to protect it
DosCreateMutexSem(NULL, &hmtxUseNLSTextArray, 0, FALSE);
}
return 1;
}
/*
** This routine deallocates a previously allocated mutex.
** SQLite is careful to deallocate every mutex that it allocates.
*/
static void os2MutexFree(sqlite3_mutex *p){
if( p==0 ) return;
assert( p->nRef==0 );
assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
DosCloseMutexSem( p->mutex );
sqlite3_free( p );
}
static cairo_status_t
_cairo_os2_surface_finish (void *abstract_surface)
{
cairo_os2_surface_t *local_os2_surface;
local_os2_surface = (cairo_os2_surface_t *) abstract_surface;
if ((!local_os2_surface) ||
(local_os2_surface->base.backend != &cairo_os2_surface_backend))
{
/* Invalid parameter (wrong surface)! */
return _cairo_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);
}
DosRequestMutexSem (local_os2_surface->hmtx_use_private_fields, SEM_INDEFINITE_WAIT);
/* Destroy old image surface */
cairo_surface_destroy ((cairo_surface_t *) (local_os2_surface->image_surface));
/* Destroy old pixel buffer */
_buffer_free (local_os2_surface->pixels);
DosCloseMutexSem (local_os2_surface->hmtx_use_private_fields);
DosCloseEventSem (local_os2_surface->hev_pixel_array_came_back);
/* The memory itself will be free'd by the cairo_surface_destroy ()
* who called us.
*/
return CAIRO_STATUS_SUCCESS;
}
int GetClipText(ClipData *cd) {
int rc;
ULONG PostCount;
char *mem;
rc = DosOpenMutexSem(SEM_PREFIX "CLIPSYN", &hmtxSyn);
if (rc != 0) return -1;
rc = DosOpenEventSem(SEM_PREFIX "CLIPGET", &hevGet);
if (rc != 0) return -1;
/* rc = DosOpenEventSem(SEM_PREFIX "CLIPPUT", &hevPut);*/
/* if (rc != 0) return -1;*/
rc = DosOpenEventSem(SEM_PREFIX "CLIPEND", &hevEnd);
if (rc != 0) return -1;
DosRequestMutexSem(hmtxSyn, SEM_INDEFINITE_WAIT);
DosResetEventSem(hevEnd, &PostCount);
DosPostEventSem(hevGet);
DosWaitEventSem(hevEnd, SEM_INDEFINITE_WAIT);
if (0 == DosGetNamedSharedMem((void **)&mem, MEM_PREFIX "CLIPDATA", PAG_READ | PAG_WRITE)) {
cd->fLen = *(ULONG*)mem;
cd->fChar = strdup(mem + 4);
DosFreeMem(mem);
} else {
cd->fLen = 0;
cd->fChar = 0;
}
DosPostEventSem(hevGet);
DosReleaseMutexSem(hmtxSyn);
/* DosCloseEventSem(hevPut);*/
DosCloseEventSem(hevGet);
DosCloseEventSem(hevEnd);
DosCloseMutexSem(hmtxSyn);
return 0;
}
omni_condition::~omni_condition(void)
{
DosCloseMutexSem( crit );
DB( if (waiting_head != NULL) {
cerr << "omni_condition::~omni_condition: list of waiting threads "
<< "is not empty\n";
} )
}
void Uninitialize_ChannelSetList()
{
if (ChannelSetListProtector_Sem==-1) return;
EraseChannelSetList();
DosCloseMutexSem(ChannelSetListProtector_Sem); ChannelSetListProtector_Sem = -1;
}
void fly_terminate (void)
{
int rc;
WinPostMsg (hwndFrame, WM_QUIT, 0, 0);
rc = DosCloseMutexSem (mtx_Queue);
debug_tools ("rc = %d after DosCloseMutexSem1\n", rc);
rc = DosCloseMutexSem (mtx_Video);
debug_tools ("%d menu item changes\n", item_status_change);
_tfree (tiled1);
_tfree (us1_16);
_tfree (us2_16);
fl_opt.initialized = FALSE;
}
void Uninitialize_PluginList()
{
if (PluginListProtector_Sem==-1) return;
UninitializeAllPlugins(HWND_DESKTOP);
ErasePluginList();
DosCloseMutexSem(PluginListProtector_Sem); PluginListProtector_Sem = -1;
}
/* Free the semaphore */
DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_sem *sem)
{
if ( sem ) {
if ( sem->id ) {
DosCloseEventSem(sem->changed);
DosCloseMutexSem(sem->id);
sem->id = 0;
}
SDL_free(sem);
}
}
int DLLCALL pthread_mutex_destroy(pthread_mutex_t* mutex)
{
#if defined(PTHREAD_MUTEX_AS_WIN32_MUTEX)
return (CloseHandle(*mutex) ? 0 : GetLastError());
#elif defined(_WIN32) /* Win32 Critical Section */
DeleteCriticalSection(mutex);
return 0; /* No error */
#elif defined(__OS2__)
return DosCloseMutexSem(*mutex);
#endif
}
/* Free the mutex */
DECLSPEC void SDLCALL SDL_DestroyMutex(SDL_mutex *mutex)
{
if ( mutex )
{
if ( mutex->hmtxID )
{
DosCloseMutexSem(mutex->hmtxID);
mutex->hmtxID = 0;
}
SDL_free(mutex);
}
}
/*
** This routine deallocates a previously allocated mutex.
** SQLite is careful to deallocate every mutex that it allocates.
*/
static void os2MutexFree(sqlite3_mutex *p){
#ifdef SQLITE_DEBUG
TID tid;
PID pid;
ULONG ulCount;
DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
assert( ulCount==0 );
assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
#endif
DosCloseMutexSem( p->mutex );
sqlite3_free( p );
}
void enter_sync()
{
if (Mutex == NULL)
{ // first call => initialize mutex
HMTX newmtx;
DosCreateMutexSem(NULL, &newmtx, 0, FALSE);
if (InterlockedCxc((volatile unsigned*)&Mutex, 0, (unsigned)newmtx) != 0)
// compare exchange failed => destroy mutex
DosCloseMutexSem(newmtx);
}
DosRequestMutexSem(Mutex, SEM_INDEFINITE_WAIT);
}
/* Strange! If video_init fails this is called without calling DosOpen before! */
void joystick_close(void)
{
APIRET rc;
DosRequestMutexSem(hmtxJoystick, SEM_INDEFINITE_WAIT);
rc=DosClose(SWhGame);
DosCloseMutexSem(hmtxJoystick);
if (!rc)
return;
log_error(joylog, "DosClose 'GAME$' (rc=%i)", rc);
}
void __FiniFThreadProcessing( void ) {
//===============================================
#if defined( __OS2__ )
DosCloseMutexSem( __fio_sem );
#elif defined( __NETWARE__ )
CloseLocalSemaphore( __fio_sem );
#elif defined( __NT__ )
CloseHandle( __fio_sem );
#elif defined( __LINUX__ )
// TODO: semaphore support for Linux!
#endif
}
RTDECL(int) RTSemMutexDestroy(RTSEMMUTEX hMutexSem)
{
if (hMutexSem == NIL_RTSEMMUTEX)
return VINF_SUCCESS;
/*
* Close semaphore handle.
*/
int rc = DosCloseMutexSem(SEM2HND(hMutexSem));
if (!rc)
return VINF_SUCCESS;
AssertMsgFailed(("Destroy hMutexSem %p failed, rc=%d\n", hMutexSem, rc));
return RTErrConvertFromOS2(rc);
}
static apr_status_t thread_cond_cleanup(void *data)
{
apr_thread_cond_t *cv = data;
if (cv->semaphore) {
DosCloseEventSem(cv->semaphore);
}
if (cv->mutex) {
DosCloseMutexSem(cv->mutex);
}
return APR_SUCCESS;
}
VOID gropDone()
{
debug( "Enter" );
if ( lInitTime == 0 )
return;
lInitTime--;
if ( lInitTime == 0 )
{
debug( "%u GROP objects left.", lnkseqGetCount( &lsGropList ) );
_gropAllToDesktop();
DosCloseMutexSem( hmtxGropList );
hmtxGropList = NULLHANDLE;
debugDone();
}
}
APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex)
{
ULONG rc;
if (mutex->hMutex == 0)
return APR_SUCCESS;
while (DosReleaseMutexSem(mutex->hMutex) == 0);
rc = DosCloseMutexSem(mutex->hMutex);
if (!rc) {
mutex->hMutex = 0;
return APR_SUCCESS;
}
return APR_FROM_OS_ERROR(rc);
}
/****************************************************************\
* Routine to really stop semaphore example. *
*--------------------------------------------------------------*
* *
* Name: StopSemaphore( PVOID pvArg ) *
* *
* Purpose: Waits for threads to complete, *
* Sends message to message thread to indicate this *
* has occurred, and exits. *
* *
* Usage: Exec'd from BeginStop when user selects Stop from *
* Semaphore menu. *
* *
* Method: Turns off Auto mode, if present by posting auto *
* semaphore. Then stop event is posted. Waits *
* for threads to die. *
* Returns: *
* *
\****************************************************************/
VOID StopSemaphore( PVOID pvArg )
{
ULONG rc,usCount, i;
PULONG pfAutoMode = (PULONG)pvArg;
if (*pfAutoMode)
{
rc = DosWaitThread(&tidAutoThread,0L);
if (rc && (rc != ERROR_INVALID_THREADID))
{
SemError("DosWaitThread",rc);
}
*pfAutoMode = FALSE;
}
/* Wait for usConsumer threads to die. Order of death not important. */
for (usCount = 0; usCount < usConsumerThreadsCreated; usCount++)
{
rc = DosWaitThread(&thrConsumers[usCount].tid,0L);
/* rc is ERROR_INVALID_THREADID the thread is already dead.*\
\* This is OK and not a error. */
if (rc && (rc != ERROR_INVALID_THREADID))
{
SemError("DosWaitThread",rc);
}
}
/* Threads dead so we don't need semaphores any more. */
DosCloseEventSem(hevStopAuto);
DosCloseEventSem(hevStop);
DosCloseMutexSem(hmtxOwnResource);
for (i = 0; i < MAXRESOURCES; i++)
{
DosCloseEventSem(aSquares[i].hev);
}
DosCloseMuxWaitSem (hmuxResource);
WinPostMsg (hwndMain, WM_COMMAND, (MPARAM)IDM_STOPFINISHED, (MPARAM)NULL);
DosExit (EXIT_THREAD, 0);
return;
}
_WCRTLINK void __CloseSemaphore( semaphore_object *obj )
{
#if defined( __RUNTIME_CHECKS__ ) && defined( _M_IX86 )
// 0 is ok
// 1 is ok // JBS I don't think so. I would mean a critical section is active.
// JBS For every lock, there should be an unlock.
// if( obj->count >= 2 ) {
// __fatal_runtime_error( "Semaphore locked too many times", 1 );
// }
if( obj->count >= 1 ) {
__fatal_runtime_error( "Semaphore not unlocked", 1 );
}
#endif
#if !defined( __NT__ )
#if defined( _M_I86 )
if( obj->count > 0 ) {
DosSemClear( &obj->semaphore );
}
#else
if( obj->initialized != 0 ) {
#if defined( __NETWARE__ )
obj->semaphore = 0;
#elif defined( __QNX__ )
__qsem_destroy( &obj->semaphore );
#elif defined( __LINUX__ )
// TODO: Close the semaphore for Linux!
#elif defined( __RDOS__ )
RdosDeleteSection( obj->semaphore );
obj->semaphore = 0;
#elif defined( __RDOSDEV__ )
#else
DosCloseMutexSem( obj->semaphore );
#endif
}
#endif
obj->initialized = 0;
obj->owner = 0;
obj->count = 0;
#endif
}
extern "C" APIRET APIENTRY InitSrvConn(char *remotemachineName, ULONG *obj)
{
int rc;
/* First let's look for FreePM.ini and read it if any */
FPM_config.Read("fpm.ini");
if (remotemachineName)
{
strcpy(FPM_config.ExternMachineName, remotemachineName);
ExternMachine = &FPM_config.ExternMachineName[0];
} else {
/* test for FreePM's semaphore at local machine */
HMTX FREEPM_hmtx = NULLHANDLE; /* Mutex semaphore handle */
rc = DosOpenMutexSem(FREEPM_MUTEX_NAME, /* Semaphore name */
&FREEPM_hmtx); /* Handle returned */
DosCloseMutexSem(FREEPM_hmtx);
if (rc)
/* FreePM server is not running at local machine, let's look for FreePM.ini */
ExternMachine = &FPM_config.ExternMachineName[0];
else
ExternMachine = NULL;
}
/* init connection to FreePM server */
rc = InitServerConnection(ExternMachine, obj);
if (rc && ExternMachine)
{
ExecuteFreePMServer();
DosSleep(1000);
rc = InitServerConnection(NULL, obj);
}
return rc;
}
void EditBoxCollection::Done()
{
StoreHistory();
shutdown = 1;
lock();
RemoveAll();
// MouClose(MouHandle);
npFED.Close();
DosCloseMutexSem(hMtx);
DosSleep(1);
DosSleep(1);
DosSleep(1);
delete ppTmr;
delete ppMou;
delete ppPip;
vio_shutdown();
}
int GUI::ClosePipe(int id) {
if ((id < 0) || (id > MAX_PIPES)) return -1;
if (Pipes[id].used == 0) return -1;
if (Pipes[id].reading == 1) {
Pipes[id].DoTerm = 1;
DosPostEventSem(Pipes[id].ResumeRead);
DosWaitThread(&Pipes[id].tid, DCWW_WAIT);
}
free(Pipes[id].buffer);
free(Pipes[id].Command);
DosCloseEventSem(Pipes[id].NewData);
DosCloseEventSem(Pipes[id].ResumeRead);
DosCloseMutexSem(Pipes[id].Access);
// fprintf(stderr, "Pipe Close: %d\n", id);
Pipes[id].used = 0;
// ConContinue();
return Pipes[id].RetCode;
}
int PutClipText(ClipData *cd) {
int rc;
ULONG PostCount;
char *mem;
rc = DosOpenMutexSem(SEM_PREFIX "CLIPSYN", &hmtxSyn);
if (rc != 0) return -1;
/* rc = DosOpenEventSem(SEM_PREFIX "CLIPGET", &hevGet);*/
/* if (rc != 0) return -1;*/
rc = DosOpenEventSem(SEM_PREFIX "CLIPPUT", &hevPut);
if (rc != 0) return -1;
rc = DosOpenEventSem(SEM_PREFIX "CLIPEND", &hevEnd);
if (rc != 0) return -1;
DosRequestMutexSem(hmtxSyn, SEM_INDEFINITE_WAIT);
DosResetEventSem(hevEnd, &PostCount);
if (0 == DosAllocSharedMem((void **)&mem,
MEM_PREFIX "CLIPDATA",
cd->fLen + 5,
PAG_COMMIT | PAG_READ | PAG_WRITE))
{
ULONG L = cd->fLen;
memcpy((void *)mem, (void *)&L, 4);
strcpy(mem + 4, cd->fChar);
}
DosPostEventSem(hevPut);
DosWaitEventSem(hevEnd, SEM_INDEFINITE_WAIT);
DosPostEventSem(hevPut);
DosReleaseMutexSem(hmtxSyn);
DosCloseEventSem(hevPut);
/* DosCloseEventSem(hevGet); */
DosCloseEventSem(hevEnd);
DosCloseMutexSem(hmtxSyn);
if (mem)
DosFreeMem(mem);
return 0;
}
void TThreads::suspend() {
shutDownFlag=1;
TID localTID=mouseThreadID;
if (localTID != 0xFFFF) DosWaitThread(&localTID,DCWW_WAIT);
// cerr << " MouseThread has ended\n";
ULONG count;
assert(! DosQueryEventSem(TThreads::hevKeyboard2,&count));
if (!count)
assert(! DosPostEventSem(TThreads::hevKeyboard2)); // Make sure the thread is running.
localTID=keyboardThreadID;
DosWaitThread(&localTID,DCWW_WAIT);
// cerr << " KeyboardThread has ended\n";
assert(!DosCloseMutexSem(hmtxMouse1));
assert(!DosCloseEventSem(hevKeyboard2));
assert(!DosCloseEventSem(hevKeyboard1));
assert(!DosCloseEventSem(hevMouse2));
assert(!DosCloseEventSem(hevMouse1));
assert(!DosCloseMuxWaitSem(hmuxMaster));
if (tiled->mouseHandle != 0xFFFF) MouClose(tiled->mouseHandle); // This doesn't work, the mouseThread uses the handle.
assert(! DosFreeMem(tiled)); // Better not, dito
}