diff options
Diffstat (limited to 'macosx/tclMacOSXNotify.c')
-rw-r--r-- | macosx/tclMacOSXNotify.c | 331 |
1 files changed, 177 insertions, 154 deletions
diff --git a/macosx/tclMacOSXNotify.c b/macosx/tclMacOSXNotify.c index 2fae4b6..f65f6e6 100644 --- a/macosx/tclMacOSXNotify.c +++ b/macosx/tclMacOSXNotify.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclMacOSXNotify.c,v 1.28 2009/08/24 00:27:47 das Exp $ + * RCS: @(#) $Id: tclMacOSXNotify.c,v 1.29 2010/03/25 14:02:12 dkf Exp $ */ #include "tclInt.h" @@ -48,22 +48,30 @@ #define VOLATILE volatile #else #define VOLATILE -#endif +#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= 1050 */ #ifndef bool #define bool int #endif -extern void OSSpinLockLock(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void OSSpinLockUnlock(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern bool OSSpinLockTry(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void _spin_lock(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void _spin_unlock(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern bool _spin_lock_try(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; +extern void OSSpinLockLock(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; +extern void OSSpinLockUnlock(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; +extern bool OSSpinLockTry(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; +extern void _spin_lock(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; +extern void _spin_unlock(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; +extern bool _spin_lock_try(VOLATILE OSSpinLock *lock) + WEAK_IMPORT_ATTRIBUTE; static void (* lockLock)(VOLATILE OSSpinLock *lock) = NULL; static void (* lockUnlock)(VOLATILE OSSpinLock *lock) = NULL; static bool (* lockTry)(VOLATILE OSSpinLock *lock) = NULL; #undef VOLATILE static pthread_once_t spinLockLockInitControl = PTHREAD_ONCE_INIT; -static void SpinLockLockInit(void) { +static void +SpinLockLockInit(void) +{ lockLock = OSSpinLockLock != NULL ? OSSpinLockLock : _spin_lock; lockUnlock = OSSpinLockUnlock != NULL ? OSSpinLockUnlock : _spin_unlock; lockTry = OSSpinLockTry != NULL ? OSSpinLockTry : _spin_lock_try; @@ -73,13 +81,13 @@ static void SpinLockLockInit(void) { } #define SpinLockLock(p) lockLock(p) #define SpinLockUnlock(p) lockUnlock(p) -#define SpinLockTry(p) lockTry(p) +#define SpinLockTry(p) lockTry(p) #else #define SpinLockLock(p) OSSpinLockLock(p) #define SpinLockUnlock(p) OSSpinLockUnlock(p) -#define SpinLockTry(p) OSSpinLockTry(p) +#define SpinLockTry(p) OSSpinLockTry(p) #endif /* HAVE_WEAK_IMPORT */ -#define SPINLOCK_INIT OS_SPINLOCK_INIT +#define SPINLOCK_INIT OS_SPINLOCK_INIT #else /* @@ -87,13 +95,13 @@ static void SpinLockLockInit(void) { */ typedef uint32_t OSSpinLock; -extern void _spin_lock(OSSpinLock *lock); -extern void _spin_unlock(OSSpinLock *lock); -extern int _spin_lock_try(OSSpinLock *lock); +extern void _spin_lock(OSSpinLock *lock); +extern void _spin_unlock(OSSpinLock *lock); +extern int _spin_lock_try(OSSpinLock *lock); #define SpinLockLock(p) _spin_lock(p) #define SpinLockUnlock(p) _spin_unlock(p) -#define SpinLockTry(p) _spin_lock_try(p) -#define SPINLOCK_INIT 0 +#define SpinLockTry(p) _spin_lock_try(p) +#define SPINLOCK_INIT 0 #endif /* HAVE_LIBKERN_OSATOMIC_H && HAVE_OSSPINLOCKLOCK */ @@ -116,23 +124,27 @@ static OSSpinLock notifierLock = SPINLOCK_INIT; #define UNLOCK_NOTIFIER_TSD SpinLockUnlock(&tsdPtr->tsdLock) #ifdef TCL_MAC_DEBUG_NOTIFIER -#define TclMacOSXNotifierDbgMsg(m, ...) do { \ - fprintf(notifierLog?notifierLog:stderr, "tclMacOSXNotify.c:%d: " \ - "%s() pid %5d thread %10p: " m "\n", __LINE__, __func__, \ - getpid(), pthread_self(), ##__VA_ARGS__); \ - fflush(notifierLog?notifierLog:stderr); \ - } while (0) +#define TclMacOSXNotifierDbgMsg(m, ...) \ + do { \ + fprintf(notifierLog?notifierLog:stderr, "tclMacOSXNotify.c:%d: " \ + "%s() pid %5d thread %10p: " m "\n", __LINE__, __func__, \ + getpid(), pthread_self(), ##__VA_ARGS__); \ + fflush(notifierLog?notifierLog:stderr); \ + } while (0) /* * Debug version of SpinLockLock that logs the time spent waiting for the lock */ -#define SpinLockLockDbg(p) if (!SpinLockTry(p)) { \ - Tcl_WideInt s = TclpGetWideClicks(), e; \ - SpinLockLock(p); e = TclpGetWideClicks(); \ - TclMacOSXNotifierDbgMsg("waited on %s for %8.0f ns", \ - #p, TclpWideClicksToNanoseconds(e-s)); \ - } +#define SpinLockLockDbg(p) \ + if (!SpinLockTry(p)) { \ + Tcl_WideInt s = TclpGetWideClicks(), e; \ + \ + SpinLockLock(p); \ + e = TclpGetWideClicks(); \ + TclMacOSXNotifierDbgMsg("waited on %s for %8.0f ns", \ + #p, TclpWideClicksToNanoseconds(e-s)); \ + } #undef LOCK_NOTIFIER_INIT #define LOCK_NOTIFIER_INIT SpinLockLockDbg(¬ifierInitLock) #undef LOCK_NOTIFIER @@ -144,42 +156,44 @@ static FILE *notifierLog = NULL; #ifndef NOTIFIER_LOG #define NOTIFIER_LOG "/tmp/tclMacOSXNotify.log" #endif -#define OPEN_NOTIFIER_LOG if (!notifierLog) { \ - notifierLog = fopen(NOTIFIER_LOG, "a"); \ - /*TclMacOSXNotifierDbgMsg("open log"); \ - asl_set_filter(NULL, \ - ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG)); \ - asl_add_log_file(NULL, \ - fileno(notifierLog));*/ \ - } -#define CLOSE_NOTIFIER_LOG if (notifierLog) { \ - /*asl_remove_log_file(NULL, \ - fileno(notifierLog)); \ - TclMacOSXNotifierDbgMsg("close log");*/ \ - fclose(notifierLog); \ - notifierLog = NULL; \ - } -#define ENABLE_ASL if (notifierLog) { \ - /*tsdPtr->asl = asl_open(NULL, "com.apple.console", ASL_OPT_NO_REMOTE); \ - asl_set_filter(tsdPtr->asl, \ - ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG)); \ - asl_add_log_file(tsdPtr->asl, \ - fileno(notifierLog));*/ \ - } -#define DISABLE_ASL /*if (tsdPtr->asl) { \ - if (notifierLog) { \ - asl_remove_log_file(tsdPtr->asl, \ - fileno(notifierLog)); \ - } \ - asl_close(tsdPtr->asl); \ - }*/ -#define ASLCLIENT /*aslclient asl*/ +#define OPEN_NOTIFIER_LOG \ + if (!notifierLog) { \ + notifierLog = fopen(NOTIFIER_LOG, "a"); \ + /*TclMacOSXNotifierDbgMsg("open log"); \ + *asl_set_filter(NULL, \ + * ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG)); \ + *asl_add_log_file(NULL, fileno(notifierLog));*/ \ + } +#define CLOSE_NOTIFIER_LOG \ + if (notifierLog) { \ + /*asl_remove_log_file(NULL, fileno(notifierLog)); \ + *TclMacOSXNotifierDbgMsg("close log");*/ \ + fclose(notifierLog); \ + notifierLog = NULL; \ + } +#define ENABLE_ASL \ + if (notifierLog) { \ + /*tsdPtr->asl = asl_open(NULL, "com.apple.console", \ + * ASL_OPT_NO_REMOTE); \ + *asl_set_filter(tsdPtr->asl, \ + * ASL_FILTER_MASK_UPTO(ASL_LEVEL_DEBUG)); \ + *asl_add_log_file(tsdPtr->asl, fileno(notifierLog));*/ \ + } +#define DISABLE_ASL \ + /*if (tsdPtr->asl) { \ + * if (notifierLog) { \ + * asl_remove_log_file(tsdPtr->asl, fileno(notifierLog)); \ + * } \ + * asl_close(tsdPtr->asl); \ + *}*/ +#define ASLCLIENT_DECL /*aslclient asl*/ #else #define TclMacOSXNotifierDbgMsg(m, ...) #define OPEN_NOTIFIER_LOG #define CLOSE_NOTIFIER_LOG #define ENABLE_ASL #define DISABLE_ASL +#define ASLCLIENT_DECL #endif /* TCL_MAC_DEBUG_NOTIFIER */ /* @@ -236,28 +250,30 @@ typedef struct ThreadSpecificData { FileHandler *firstFileHandlerPtr; /* Pointer to head of file handler list. */ int polled; /* True if the notifier thread has polled for - * this thread. - */ + * this thread. */ int sleeping; /* True if runloop is inside Tcl_Sleep. */ int runLoopSourcePerformed; /* True after the runLoopSource callack was * performed. */ - int runLoopRunning; /* True if this thread's Tcl runLoop is running */ - int runLoopNestingLevel; /* Level of nested runLoop invocations */ + int runLoopRunning; /* True if this thread's Tcl runLoop is + * running. */ + int runLoopNestingLevel; /* Level of nested runLoop invocations. */ int runLoopServicingEvents; /* True if this thread's runLoop is servicing - * tcl events */ + * Tcl events. */ + /* Must hold the notifierLock before accessing the following fields: */ /* Start notifierLock section */ - int onList; /* True if this thread is on the waitingList */ + int onList; /* True if this thread is on the + * waitingList */ struct ThreadSpecificData *nextPtr, *prevPtr; /* All threads that are currently waiting on * an event have their ThreadSpecificData * structure on a doubly-linked listed formed - * from these pointers. - */ + * from these pointers. */ /* End notifierLock section */ + OSSpinLock tsdLock; /* Must hold this lock before acessing the - * following fields from more than one thread. - */ + * following fields from more than one + * thread. */ /* Start tsdLock section */ SelectMasks checkMasks; /* This structure is used to build up the * masks to be used in the next call to @@ -269,9 +285,11 @@ typedef struct ThreadSpecificData { int numFdBits; /* Number of valid bits in checkMasks (one * more than highest fd for which * Tcl_WatchFile has been called). */ - int polling; /* True if this thread is polling for events */ + int polling; /* True if this thread is polling for + * events. */ CFRunLoopRef runLoop; /* This thread's CFRunLoop, needs to be woken - * up whenever the runLoopSource is signaled */ + * up whenever the runLoopSource is + * signaled. */ CFRunLoopSourceRef runLoopSource; /* Any other thread alerts a notifier that an * event is ready to be processed by signaling @@ -283,11 +301,10 @@ typedef struct ThreadSpecificData { /* Wakes up CFRunLoop after given timeout when * running embedded. */ /* End tsdLock section */ + CFTimeInterval waitTime; /* runLoopTimer wait time when running * embedded. */ -#ifdef TCL_MAC_DEBUG_NOTIFIER - ASLCLIENT; -#endif + ASLCLIENT_DECL; } ThreadSpecificData; static Tcl_ThreadDataKey dataKey; @@ -337,8 +354,8 @@ static int receivePipe = -1; /* Output end of triggerPipe */ static int notifierThreadRunning; /* - * This is the thread ID of the notifier thread that does select. - * Only valid when notifierThreadRunning is non-zero. + * This is the thread ID of the notifier thread that does select. Only valid + * when notifierThreadRunning is non-zero. * * You must hold the notifierInitLock before accessing this variable. */ @@ -347,7 +364,7 @@ static pthread_t notifierThread; /* * Custom runloop mode for running with only the runloop source for the - * notifier thread + * notifier thread. */ #ifndef TCL_EVENTS_ONLY_RUN_LOOP_MODE @@ -369,38 +386,45 @@ static CFStringRef tclEventsOnlyRunLoopMode = NULL; * Static routines defined in this file. */ -static void StartNotifierThread(void); -static void NotifierThreadProc(ClientData clientData) - __attribute__ ((__noreturn__)); -static int FileHandlerEventProc(Tcl_Event *evPtr, int flags); -static void TimerWakeUp(CFRunLoopTimerRef timer, void *info); -static void QueueFileEvents(void *info); -static void UpdateWaitingListAndServiceEvents(CFRunLoopObserverRef observer, - CFRunLoopActivity activity, void *info); -static int OnOffWaitingList(ThreadSpecificData *tsdPtr, int onList, - int signalNotifier); +static void StartNotifierThread(void); +static void NotifierThreadProc(ClientData clientData) + __attribute__ ((__noreturn__)); +static int FileHandlerEventProc(Tcl_Event *evPtr, int flags); +static void TimerWakeUp(CFRunLoopTimerRef timer, void *info); +static void QueueFileEvents(void *info); +static void UpdateWaitingListAndServiceEvents( + CFRunLoopObserverRef observer, + CFRunLoopActivity activity, void *info); +static int OnOffWaitingList(ThreadSpecificData *tsdPtr, + int onList, int signalNotifier); #ifdef HAVE_PTHREAD_ATFORK -static int atForkInit = 0; -static void AtForkPrepare(void); -static void AtForkParent(void); -static void AtForkChild(void); +static int atForkInit = 0; +static void AtForkPrepare(void); +static void AtForkParent(void); +static void AtForkChild(void); #if defined(HAVE_WEAK_IMPORT) && MAC_OS_X_VERSION_MIN_REQUIRED < 1040 /* Support for weakly importing pthread_atfork. */ #define WEAK_IMPORT_PTHREAD_ATFORK -extern int pthread_atfork(void (*prepare)(void), void (*parent)(void), - void (*child)(void)) WEAK_IMPORT_ATTRIBUTE; +extern int pthread_atfork(void (*prepare)(void), + void (*parent)(void), void (*child)(void)) + WEAK_IMPORT_ATTRIBUTE; +#define MayUsePthreadAtfork() (pthread_atfork != NULL) +#else +#define MayUsePthreadAtfork() (1) #endif /* HAVE_WEAK_IMPORT */ + /* * On Darwin 9 and later, it is not possible to call CoreFoundation after * a fork. */ + #if !defined(MAC_OS_X_VERSION_MIN_REQUIRED) || \ MAC_OS_X_VERSION_MIN_REQUIRED < 1050 MODULE_SCOPE long tclMacOSXDarwinRelease; -#define noCFafterFork (tclMacOSXDarwinRelease >= 9) +#define noCFafterFork (tclMacOSXDarwinRelease >= 9) #else /* MAC_OS_X_VERSION_MIN_REQUIRED */ -#define noCFafterFork 1 +#define noCFafterFork 1 #endif /* MAC_OS_X_VERSION_MIN_REQUIRED */ #endif /* HAVE_PTHREAD_ATFORK */ @@ -516,11 +540,7 @@ Tcl_InitNotifier(void) * child of a fork. */ - if ( -#ifdef WEAK_IMPORT_PTHREAD_ATFORK - pthread_atfork != NULL && -#endif - !atForkInit) { + if (MayUsePthreadAtfork() && !atForkInit) { int result = pthread_atfork(AtForkPrepare, AtForkParent, AtForkChild); if (result) { @@ -528,7 +548,7 @@ Tcl_InitNotifier(void) } atForkInit = 1; } -#endif +#endif /* HAVE_PTHREAD_ATFORK */ if (notifierCount == 0) { int fds[2], status; @@ -569,7 +589,7 @@ Tcl_InitNotifier(void) notifierCount++; UNLOCK_NOTIFIER_INIT; - return (ClientData) tsdPtr; + return tsdPtr; } /* @@ -695,10 +715,10 @@ Tcl_FinalizeNotifier( * terminate. The notifier will return from its call to select() * and notice that a "q" message has arrived, it will then close * its side of the pipe and terminate its thread. Note the we can - * not just close the pipe and check for EOF in the notifier thread - * because if a background child process was created with exec, - * select() would not register the EOF on the pipe until the child - * processes had terminated. [Bug: 4139] [Bug: 1222872] + * not just close the pipe and check for EOF in the notifier + * thread because if a background child process was created with + * exec, select() would not register the EOF on the pipe until the + * child processes had terminated. [Bug: 4139] [Bug 1222872] */ write(triggerPipe, "q", 1); @@ -821,7 +841,7 @@ Tcl_SetTimer( return; } if (timePtr) { - Tcl_Time vTime = *timePtr; + Tcl_Time vTime = *timePtr; if (vTime.sec != 0 || vTime.usec != 0) { tclScaleTimeProcPtr(&vTime, tclTimeClientData); @@ -965,19 +985,19 @@ Tcl_CreateFileHandler( LOCK_NOTIFIER_TSD; if (mask & TCL_READABLE) { - FD_SET(fd, &(tsdPtr->checkMasks.readable)); + FD_SET(fd, &tsdPtr->checkMasks.readable); } else { - FD_CLR(fd, &(tsdPtr->checkMasks.readable)); + FD_CLR(fd, &tsdPtr->checkMasks.readable); } if (mask & TCL_WRITABLE) { - FD_SET(fd, &(tsdPtr->checkMasks.writable)); + FD_SET(fd, &tsdPtr->checkMasks.writable); } else { - FD_CLR(fd, &(tsdPtr->checkMasks.writable)); + FD_CLR(fd, &tsdPtr->checkMasks.writable); } if (mask & TCL_EXCEPTION) { - FD_SET(fd, &(tsdPtr->checkMasks.exceptional)); + FD_SET(fd, &tsdPtr->checkMasks.exceptional); } else { - FD_CLR(fd, &(tsdPtr->checkMasks.exceptional)); + FD_CLR(fd, &tsdPtr->checkMasks.exceptional); } if (tsdPtr->numFdBits <= fd) { tsdPtr->numFdBits = fd+1; @@ -1039,9 +1059,9 @@ Tcl_DeleteFileHandler( if (fd+1 == tsdPtr->numFdBits) { numFdBits = 0; for (i = fd-1; i >= 0; i--) { - if (FD_ISSET(i, &(tsdPtr->checkMasks.readable)) - || FD_ISSET(i, &(tsdPtr->checkMasks.writable)) - || FD_ISSET(i, &(tsdPtr->checkMasks.exceptional))) { + if (FD_ISSET(i, &tsdPtr->checkMasks.readable) + || FD_ISSET(i, &tsdPtr->checkMasks.writable) + || FD_ISSET(i, &tsdPtr->checkMasks.exceptional)) { numFdBits = i+1; break; } @@ -1058,13 +1078,13 @@ Tcl_DeleteFileHandler( */ if (filePtr->mask & TCL_READABLE) { - FD_CLR(fd, &(tsdPtr->checkMasks.readable)); + FD_CLR(fd, &tsdPtr->checkMasks.readable); } if (filePtr->mask & TCL_WRITABLE) { - FD_CLR(fd, &(tsdPtr->checkMasks.writable)); + FD_CLR(fd, &tsdPtr->checkMasks.writable); } if (filePtr->mask & TCL_EXCEPTION) { - FD_CLR(fd, &(tsdPtr->checkMasks.exceptional)); + FD_CLR(fd, &tsdPtr->checkMasks.exceptional); } UNLOCK_NOTIFIER_TSD; @@ -1148,13 +1168,13 @@ FileHandlerEventProc( if (mask != 0) { LOCK_NOTIFIER_TSD; if (mask & TCL_READABLE) { - FD_CLR(filePtr->fd, &(tsdPtr->readyMasks.readable)); + FD_CLR(filePtr->fd, &tsdPtr->readyMasks.readable); } if (mask & TCL_WRITABLE) { - FD_CLR(filePtr->fd, &(tsdPtr->readyMasks.writable)); + FD_CLR(filePtr->fd, &tsdPtr->readyMasks.writable); } if (mask & TCL_EXCEPTION) { - FD_CLR(filePtr->fd, &(tsdPtr->readyMasks.exceptional)); + FD_CLR(filePtr->fd, &tsdPtr->readyMasks.exceptional); } UNLOCK_NOTIFIER_TSD; filePtr->proc(filePtr->clientData, mask); @@ -1205,7 +1225,7 @@ Tcl_WaitForEvent( } if (timePtr) { - Tcl_Time vTime = *timePtr; + Tcl_Time vTime = *timePtr; /* * TIP #233 (Virtualized Time). Is virtual time in effect? And do we @@ -1256,7 +1276,7 @@ Tcl_WaitForEvent( UNLOCK_NOTIFIER_TSD; switch (runLoopStatus) { case kCFRunLoopRunFinished: - Tcl_Panic("Tcl_WaitForEvent: CFRunLoop finished"); + Tcl_Panic("Tcl_WaitForEvent: CFRunLoop finished"); break; case kCFRunLoopRunTimedOut: QueueFileEvents(tsdPtr); @@ -1293,19 +1313,19 @@ QueueFileEvents( { SelectMasks readyMasks; FileHandler *filePtr; - ThreadSpecificData *tsdPtr = (ThreadSpecificData *) info; + ThreadSpecificData *tsdPtr = info; /* * Queue all detected file events. */ LOCK_NOTIFIER_TSD; - FD_COPY(&(tsdPtr->readyMasks.readable), &readyMasks.readable); - FD_COPY(&(tsdPtr->readyMasks.writable), &readyMasks.writable); - FD_COPY(&(tsdPtr->readyMasks.exceptional), &readyMasks.exceptional); - FD_ZERO(&(tsdPtr->readyMasks.readable)); - FD_ZERO(&(tsdPtr->readyMasks.writable)); - FD_ZERO(&(tsdPtr->readyMasks.exceptional)); + FD_COPY(&tsdPtr->readyMasks.readable, &readyMasks.readable); + FD_COPY(&tsdPtr->readyMasks.writable, &readyMasks.writable); + FD_COPY(&tsdPtr->readyMasks.exceptional, &readyMasks.exceptional); + FD_ZERO(&tsdPtr->readyMasks.readable); + FD_ZERO(&tsdPtr->readyMasks.writable); + FD_ZERO(&tsdPtr->readyMasks.exceptional); UNLOCK_NOTIFIER_TSD; tsdPtr->runLoopSourcePerformed = 1; @@ -1365,7 +1385,7 @@ UpdateWaitingListAndServiceEvents( CFRunLoopActivity activity, void *info) { - ThreadSpecificData *tsdPtr = (ThreadSpecificData*) info; + ThreadSpecificData *tsdPtr = info; if (tsdPtr->sleeping) { return; @@ -1376,7 +1396,7 @@ UpdateWaitingListAndServiceEvents( if (tsdPtr->numFdBits > 0 || tsdPtr->polling) { LOCK_NOTIFIER; if (!OnOffWaitingList(tsdPtr, 1, 1) && tsdPtr->polling) { - write(triggerPipe, "", 1); + write(triggerPipe, "", 1); } UNLOCK_NOTIFIER; } @@ -1391,7 +1411,8 @@ UpdateWaitingListAndServiceEvents( break; case kCFRunLoopBeforeWaiting: if (tsdPtr->runLoopTimer && !tsdPtr->runLoopServicingEvents && - (tsdPtr->runLoopNestingLevel > 1 || !tsdPtr->runLoopRunning)) { + (tsdPtr->runLoopNestingLevel > 1 + || !tsdPtr->runLoopRunning)) { tsdPtr->runLoopServicingEvents = 1; while (Tcl_ServiceAll() && tsdPtr->waitTime == 0) {} tsdPtr->runLoopServicingEvents = 0; @@ -1407,8 +1428,8 @@ UpdateWaitingListAndServiceEvents( * * OnOffWaitingList -- * - * Add/remove the specified thread to/from the global waitingList - * and optionally signal the notifier. + * Add/remove the specified thread to/from the global waitingList and + * optionally signal the notifier. * * !!! Requires notifierLock to be held !!! * @@ -1428,8 +1449,9 @@ OnOffWaitingList( int signalNotifier) { int changeWaitingList; + #ifdef TCL_MAC_DEBUG_NOTIFIER - if(SpinLockTry(¬ifierLock)) { + if (SpinLockTry(¬ifierLock)) { Tcl_Panic("OnOffWaitingList: notifierLock unlocked"); } #endif @@ -1456,7 +1478,7 @@ OnOffWaitingList( tsdPtr->onList = 0; } if (signalNotifier) { - write(triggerPipe, "", 1); + write(triggerPipe, "", 1); } } @@ -1494,7 +1516,7 @@ Tcl_Sleep( * TIP #233: Scale from virtual time to real-time. */ - vdelay.sec = ms / 1000; + vdelay.sec = ms / 1000; vdelay.usec = (ms % 1000) * 1000; tclScaleTimeProcPtr(&vdelay, tclTimeClientData); @@ -1520,8 +1542,8 @@ Tcl_Sleep( } tsdPtr->sleeping = 1; do { - runLoopStatus = CFRunLoopRunInMode(kCFRunLoopDefaultMode, waitTime, - FALSE); + runLoopStatus = CFRunLoopRunInMode(kCFRunLoopDefaultMode, + waitTime, FALSE); switch (runLoopStatus) { case kCFRunLoopRunFinished: Tcl_Panic("Tcl_Sleep: CFRunLoop finished"); @@ -1657,10 +1679,10 @@ TclUnixWaitForFile( * Setup the select masks for the fd. */ - if (mask & TCL_READABLE) { + if (mask & TCL_READABLE) { FD_SET(fd, &readableMask); } - if (mask & TCL_WRITABLE) { + if (mask & TCL_WRITABLE) { FD_SET(fd, &writableMask); } if (mask & TCL_EXCEPTION) { @@ -1674,10 +1696,10 @@ TclUnixWaitForFile( numFound = select(fd + 1, &readableMask, &writableMask, &exceptionalMask, timeoutPtr); if (numFound == 1) { - if (FD_ISSET(fd, &readableMask)) { + if (FD_ISSET(fd, &readableMask)) { SET_BITS(result, TCL_READABLE); } - if (FD_ISSET(fd, &writableMask)) { + if (FD_ISSET(fd, &writableMask)) { SET_BITS(result, TCL_WRITABLE); } if (FD_ISSET(fd, &exceptionalMask)) { @@ -1761,13 +1783,13 @@ NotifierThreadProc( for (tsdPtr = waitingListPtr; tsdPtr; tsdPtr = tsdPtr->nextPtr) { LOCK_NOTIFIER_TSD; for (i = tsdPtr->numFdBits-1; i >= 0; --i) { - if (FD_ISSET(i, &(tsdPtr->checkMasks.readable))) { + if (FD_ISSET(i, &tsdPtr->checkMasks.readable)) { FD_SET(i, &readableMask); } - if (FD_ISSET(i, &(tsdPtr->checkMasks.writable))) { + if (FD_ISSET(i, &tsdPtr->checkMasks.writable)) { FD_SET(i, &writableMask); } - if (FD_ISSET(i, &(tsdPtr->checkMasks.exceptional))) { + if (FD_ISSET(i, &tsdPtr->checkMasks.exceptional)) { FD_SET(i, &exceptionalMask); } } @@ -1810,9 +1832,9 @@ NotifierThreadProc( SelectMasks readyMasks, checkMasks; LOCK_NOTIFIER_TSD; - FD_COPY(&(tsdPtr->checkMasks.readable), &checkMasks.readable); - FD_COPY(&(tsdPtr->checkMasks.writable), &checkMasks.writable); - FD_COPY(&(tsdPtr->checkMasks.exceptional), &checkMasks.exceptional); + FD_COPY(&tsdPtr->checkMasks.readable, &checkMasks.readable); + FD_COPY(&tsdPtr->checkMasks.writable, &checkMasks.writable); + FD_COPY(&tsdPtr->checkMasks.exceptional, &checkMasks.exceptional); UNLOCK_NOTIFIER_TSD; found = tsdPtr->polled; FD_ZERO(&readyMasks.readable); @@ -1848,9 +1870,10 @@ NotifierThreadProc( OnOffWaitingList(tsdPtr, 0, 0); LOCK_NOTIFIER_TSD; - FD_COPY(&readyMasks.readable, &(tsdPtr->readyMasks.readable)); - FD_COPY(&readyMasks.writable, &(tsdPtr->readyMasks.writable)); - FD_COPY(&readyMasks.exceptional, &(tsdPtr->readyMasks.exceptional)); + FD_COPY(&readyMasks.readable, &tsdPtr->readyMasks.readable); + FD_COPY(&readyMasks.writable, &tsdPtr->readyMasks.writable); + FD_COPY(&readyMasks.exceptional, + &tsdPtr->readyMasks.exceptional); UNLOCK_NOTIFIER_TSD; tsdPtr->polled = 0; if (tsdPtr->runLoop) { |