diff options
Diffstat (limited to 'sal')
| -rw-r--r-- | sal/inc/osl/interlck.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sal/inc/osl/interlck.h b/sal/inc/osl/interlck.h index 858f99f854d5..f8cd56e6e72b 100644 --- a/sal/inc/osl/interlck.h +++ b/sal/inc/osl/interlck.h @@ -52,10 +52,48 @@ SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_incrementInterlockedCount(oslInte */ SAL_DLLPUBLIC oslInterlockedCount SAL_CALL osl_decrementInterlockedCount(oslInterlockedCount* pCount); + +/** Increments the count variable addressed by pCount. + @param pCount Address of counter variable + @return The result of the operation is zero, the value of the count variable. +*/ + +/// @cond INTERNAL + +/** Increments the count variable addressed by p. + @param p Address of counter variable + @attention This functionality should only be used internally within + LibreOffice. + + @return The adjusted value of the count variable. +*/ +#if defined( HAVE_GCC_BUILTIN_ATOMIC ) +# define osl_atomic_increment(p) __sync_add_and_fetch((p), 1) +#else +# define osl_atomic_increment(p) osl_incrementInterlockedCount(p) +#endif + + +/** Decrement the count variable addressed by p. + @param p Address of counter variable + @attention This functionality should only be used internally within + LibreOffice. + + @return The adjusted value of the count variable. +*/ +#if defined( HAVE_GCC_BUILTIN_ATOMIC ) +# define osl_atomic_decrement(p) __sync_sub_and_fetch((p), 1) +#else +# define osl_atomic_decrement(p) osl_decrementInterlockedCount(p) +#endif + +/// @endcond + #ifdef __cplusplus } #endif + #endif /* _OSL_INTERLOCK_H_ */ |