diff options
Diffstat (limited to 'macosx/tclMacOSXNotify.c')
| -rw-r--r-- | macosx/tclMacOSXNotify.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/macosx/tclMacOSXNotify.c b/macosx/tclMacOSXNotify.c index 23b858b..af2fa65 100644 --- a/macosx/tclMacOSXNotify.c +++ b/macosx/tclMacOSXNotify.c @@ -13,7 +13,7 @@ * 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 1.11 2006/08/21 03:50:50 das Exp $ + * RCS: @(#) $Id: tclMacOSXNotify.c,v 1.12 2007/01/19 01:03:59 das Exp $ */ #include "tclInt.h" @@ -168,12 +168,18 @@ static int receivePipe = -1; /* Output end of triggerPipe */ * Support for weakly importing spinlock API. */ #define WEAK_IMPORT_SPINLOCKLOCK -extern void OSSpinLockLock(OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void OSSpinLockUnlock(OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void _spin_lock(OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -extern void _spin_unlock(OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; -static void (* lockLock)(OSSpinLock *lock) = NULL; -static void (* lockUnlock)(OSSpinLock *lock) = NULL; +#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050 +#define VOLATILE volatile +#else +#define VOLATILE +#endif +extern void OSSpinLockLock(VOLATILE OSSpinLock *lock) WEAK_IMPORT_ATTRIBUTE; +extern void OSSpinLockUnlock(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; +static void (* lockLock)(VOLATILE OSSpinLock *lock) = NULL; +static void (* lockUnlock)(VOLATILE OSSpinLock *lock) = NULL; +#undef VOLATILE static pthread_once_t spinLockLockInitControl = PTHREAD_ONCE_INIT; static void SpinLockLockInit(void) { lockLock = OSSpinLockLock != NULL ? OSSpinLockLock : _spin_lock; |