forked from Imagelibrary/rtems
score: Improve C/C++ standard compatibility
The processor mask implementation uses flsl() from <strings.h> which is only BSD visible. Move the implementation to a separate header file to hide it from the API level. This fixes build errors with GCC 14.
This commit is contained in:
Sebastian Huber
committed by
Amar Takhar
Amar Takhar
parent
7bc76732b0
commit
237f8662ba
@@ -39,9 +39,7 @@
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#include <rtems/score/cpu.h>
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#include <sys/cpuset.h>
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#include <strings.h>
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#include <sys/_bitset.h>
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#ifdef __cplusplus
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extern "C" {
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@@ -123,381 +121,6 @@ extern "C" {
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*/
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typedef __BITSET_DEFINE( Processor_mask, CPU_MAXIMUM_PROCESSORS ) Processor_mask;
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/**
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* @brief Sets the bits of the mask to zero, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param[out] mask The mask to set to zero.
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*/
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static inline void _Processor_mask_Zero( Processor_mask *mask )
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{
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__BIT_ZERO( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Checks if the mask is zero, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param mask The mask to check whether is is zero
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*
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* @retval true The mask is zero.
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* @retval false The mask is not zero.
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*/
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static inline bool _Processor_mask_Is_zero( const Processor_mask *mask )
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{
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return __BIT_EMPTY( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Fills the mask, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param[out] mask The mask to fill
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*/
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static inline void _Processor_mask_Fill( Processor_mask *mask )
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{
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__BIT_FILL( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Copies the mask to another mask, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param[out] dst The mask to copy @a src to.
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* @param src The mask to copy to @a dst.
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*/
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static inline void _Processor_mask_Assign(
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Processor_mask *dst, const Processor_mask *src
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)
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{
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__BIT_COPY( CPU_MAXIMUM_PROCESSORS, src, dst );
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}
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/**
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* @brief Sets the specified index bit of the mask.
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*
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* @param[out] mask The mask to set the bit of.
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* @param index The index of the bit that shall be set.
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*/
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static inline void _Processor_mask_Set(
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Processor_mask *mask,
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uint32_t index
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)
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{
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__BIT_SET( CPU_MAXIMUM_PROCESSORS, index, mask );
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}
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/**
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* @brief Clears the specified index bit of the mask.
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*
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* @param[out] mask The mask to clear the bit of.
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* @param index The index of the bit that shall be cleared.
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*/
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static inline void _Processor_mask_Clear(
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Processor_mask *mask,
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uint32_t index
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)
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{
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__BIT_CLR( CPU_MAXIMUM_PROCESSORS, index, mask );
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}
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/**
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* @brief Checks if the specified index bit of the mask is set.
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*
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* @param mask The mask to check if the specified bit is set.
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* @param index The index of the bit that is checked.
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*
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* @retval true The specified index bit is set.
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* @retval false The specified index bit is not set.
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*/
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static inline bool _Processor_mask_Is_set(
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const Processor_mask *mask,
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uint32_t index
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)
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{
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return __BIT_ISSET( CPU_MAXIMUM_PROCESSORS, index, mask );
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}
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/**
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* @brief Checks if the processor sets a and b are equal.
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*
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* @param a The first processor set.
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* @param b The seconde processor set.
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*
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* @retval true The processor sets a and b are equal.
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* @retval false The processor sets a and b are not equal.
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*/
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static inline bool _Processor_mask_Is_equal(
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const Processor_mask *a,
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const Processor_mask *b
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)
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{
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return !__BIT_CMP( CPU_MAXIMUM_PROCESSORS, a, b );
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}
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/**
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* @brief Checks if the intersection of the processor sets a and b is
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* non-empty.
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*
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* @param a The first processor set.
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* @param b The second processor set.
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*
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* @retval true The intersection of the processor sets a and b is non-empty.
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* @retval false The intersection of the processor sets a and b is empty.
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*/
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static inline bool _Processor_mask_Has_overlap(
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const Processor_mask *a,
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const Processor_mask *b
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)
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{
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return __BIT_OVERLAP( CPU_MAXIMUM_PROCESSORS, a, b );
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}
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/**
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* @brief Checks if the processor set small is a subset of processor set
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* big.
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*
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* @param big The bigger processor set.
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* @param small The smaller processor set.
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*
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* @retval true @a small is a subset of @a big.
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* @retval false @a small is not a subset of @a big.
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*/
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static inline bool _Processor_mask_Is_subset(
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const Processor_mask *big,
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const Processor_mask *small
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)
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{
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return __BIT_SUBSET( CPU_MAXIMUM_PROCESSORS, big, small );
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}
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/**
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* @brief Performs a bitwise a = b & c.
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*
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* @param[out] a The processor mask that is set by this operation.
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* @param b The first parameter of the AND-operation.
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* @param c The second parameter of the AND-operation.
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*/
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static inline void _Processor_mask_And(
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Processor_mask *a,
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const Processor_mask *b,
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const Processor_mask *c
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)
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{
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__BIT_AND2( CPU_MAXIMUM_PROCESSORS, a, b, c );
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}
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/**
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* @brief Performs a bitwise a = b | c.
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*
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* @param[out] a The processor mask that is set by this operation.
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* @param b The first parameter of the OR-operation.
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* @param c The second parameter of the OR-operation.
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*/
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static inline void _Processor_mask_Or(
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Processor_mask *a,
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const Processor_mask *b,
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const Processor_mask *c
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)
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{
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__BIT_OR2( CPU_MAXIMUM_PROCESSORS, a, b, c );
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}
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/**
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* @brief Performs a bitwise a = b ^ c.
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*
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* @param[out] a The processor mask that is set by this operation.
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* @param b The first parameter of the XOR-operation.
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* @param c The second parameter of the XOR-operation.
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*/
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static inline void _Processor_mask_Xor(
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Processor_mask *a,
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const Processor_mask *b,
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const Processor_mask *c
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)
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{
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__BIT_XOR2( CPU_MAXIMUM_PROCESSORS, a, b, c );
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}
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/**
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* @brief Gets the number of set bits in the processor mask.
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*
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* @param a The processor mask of which the set bits are counted.
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*
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* @return The number of set bits in @a a.
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*/
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static inline uint32_t _Processor_mask_Count( const Processor_mask *a )
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{
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return (uint32_t) __BIT_COUNT( CPU_MAXIMUM_PROCESSORS, a );
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}
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/**
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* @brief Finds the last set of the processor mask.
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*
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* @param a The processor mask wo find the last set of.
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*
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* @return The last set of @a a.
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*/
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static inline uint32_t _Processor_mask_Find_last_set( const Processor_mask *a )
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{
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return (uint32_t) __BIT_FLS( CPU_MAXIMUM_PROCESSORS, a );
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}
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/**
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* @brief Returns the subset of 32 processors containing the specified index as
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* an unsigned 32-bit integer.
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*
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* @param mask The processor mask.
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* @param index The specified index.
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*
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* @return The subset containing the specified index as an unsigned 32-bit integer.
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*/
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static inline uint32_t _Processor_mask_To_uint32_t(
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const Processor_mask *mask,
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uint32_t index
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)
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{
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long bits = mask->__bits[ index / _BITSET_BITS ];
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return (uint32_t) ( bits >> ( 32 * ( ( index % _BITSET_BITS ) / 32 ) ) );
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}
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/**
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* @brief Creates a processor set from an unsigned 32-bit integer relative to
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* the specified index.
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*
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* @param[out] mask The mask that is created.
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* @param bits The bits for creating the mask.
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* @param index The index to which the mask is relative.
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*/
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static inline void _Processor_mask_From_uint32_t(
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Processor_mask *mask,
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uint32_t bits,
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uint32_t index
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)
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{
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_Processor_mask_Zero( mask );
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mask->__bits[ __bitset_words( index ) ] = ((long) bits) << (32 * (index % _BITSET_BITS) / 32);
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}
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/**
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* @brief Creates a processor set from the specified index.
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*
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* @param[out] The mask that is created.
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* @param index The specified index.
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*/
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static inline void _Processor_mask_From_index(
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Processor_mask *mask,
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uint32_t index
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)
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{
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__BIT_SETOF( CPU_MAXIMUM_PROCESSORS, (int) index, mask );
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}
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typedef enum {
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PROCESSOR_MASK_COPY_LOSSLESS,
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PROCESSOR_MASK_COPY_PARTIAL_LOSS,
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PROCESSOR_MASK_COPY_COMPLETE_LOSS,
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PROCESSOR_MASK_COPY_INVALID_SIZE
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} Processor_mask_Copy_status;
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/**
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* @brief Checks if the copy status guarantees at most partial loss.
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*
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* @param status The copy status to check.
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*
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* @retval true At most partial loss can be guaranteed.
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* @retval false The status indicates more than partial loss.
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*/
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static inline bool _Processor_mask_Is_at_most_partial_loss(
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Processor_mask_Copy_status status
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)
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{
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return (unsigned int) status <= PROCESSOR_MASK_COPY_PARTIAL_LOSS;
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}
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/**
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* @brief Copies one mask to another.
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*
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* @param[out] dst The destination of the copy operation.
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* @param dst_size The size of @a dst.
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* @param src The source of the copy operation.
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* @param src_size The size of @a src.
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*
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* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
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* operation is lossless.
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* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
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* is invalid (bigger than the size of a long).
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*/
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Processor_mask_Copy_status _Processor_mask_Copy(
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long *dst,
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size_t dst_size,
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const long *src,
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size_t src_size
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);
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/**
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* @brief Copies one mask to another.
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*
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* @param src The source for the copy operation.
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* @param dst_size The size of @a dst.
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* @param[out] dst The destination for the copy operation.
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*
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* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
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* operation is lossless.
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* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
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* is invalid (bigger than the size of a long).
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*/
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static inline Processor_mask_Copy_status _Processor_mask_To_cpu_set_t(
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const Processor_mask *src,
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size_t dst_size,
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cpu_set_t *dst
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)
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{
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return _Processor_mask_Copy(
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&dst->__bits[ 0 ],
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dst_size,
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&src->__bits[ 0 ],
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sizeof( *src )
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);
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}
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/**
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* @brief Copies one mask to another.
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*
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* @param src The source for the copy operation.
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* @param src_size The size of @a src.
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* @param[out] dst The destination for the copy operation.
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*
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* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
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* operation is lossless.
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* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
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* to the sizes of @a src and @a dst.
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* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
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* is invalid (bigger than the size of a long).
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*/
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static inline Processor_mask_Copy_status _Processor_mask_From_cpu_set_t(
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Processor_mask *dst,
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size_t src_size,
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const cpu_set_t *src
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)
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{
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return _Processor_mask_Copy(
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&dst->__bits[ 0 ],
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sizeof( *dst ),
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&src->__bits[ 0 ],
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src_size
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);
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}
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extern const Processor_mask _Processor_mask_The_one_and_only;
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/** @} */
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#ifdef __cplusplus
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437
cpukit/include/rtems/score/processormaskimpl.h
Normal file
437
cpukit/include/rtems/score/processormaskimpl.h
Normal file
@@ -0,0 +1,437 @@
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/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSScoreProcessorMask
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*
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* @brief This header file provides the interfaces of the
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* @ref RTEMSScoreProcessorMask.
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*/
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/*
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* Copyright (C) 2016, 2017 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTEMS_SCORE_PROCESSORMASKIMPL_H
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#define _RTEMS_SCORE_PROCESSORMASKIMPL_H
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#include <rtems/score/processormask.h>
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#include <sys/cpuset.h>
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#include <strings.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/**
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* @addtogroup RTEMSScoreProcessorMask
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*
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* @{
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*/
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/**
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* @brief Sets the bits of the mask to zero, also considers CPU_MAXIMUM_PROCESSORS.
|
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*
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* @param[out] mask The mask to set to zero.
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*/
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static inline void _Processor_mask_Zero( Processor_mask *mask )
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{
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__BIT_ZERO( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Checks if the mask is zero, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param mask The mask to check whether is is zero
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*
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* @retval true The mask is zero.
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* @retval false The mask is not zero.
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*/
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static inline bool _Processor_mask_Is_zero( const Processor_mask *mask )
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{
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return __BIT_EMPTY( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Fills the mask, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param[out] mask The mask to fill
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*/
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static inline void _Processor_mask_Fill( Processor_mask *mask )
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{
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__BIT_FILL( CPU_MAXIMUM_PROCESSORS, mask );
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}
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/**
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* @brief Copies the mask to another mask, also considers CPU_MAXIMUM_PROCESSORS.
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*
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* @param[out] dst The mask to copy @a src to.
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* @param src The mask to copy to @a dst.
|
||||
*/
|
||||
static inline void _Processor_mask_Assign(
|
||||
Processor_mask *dst, const Processor_mask *src
|
||||
)
|
||||
{
|
||||
__BIT_COPY( CPU_MAXIMUM_PROCESSORS, src, dst );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Sets the specified index bit of the mask.
|
||||
*
|
||||
* @param[out] mask The mask to set the bit of.
|
||||
* @param index The index of the bit that shall be set.
|
||||
*/
|
||||
static inline void _Processor_mask_Set(
|
||||
Processor_mask *mask,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
__BIT_SET( CPU_MAXIMUM_PROCESSORS, index, mask );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Clears the specified index bit of the mask.
|
||||
*
|
||||
* @param[out] mask The mask to clear the bit of.
|
||||
* @param index The index of the bit that shall be cleared.
|
||||
*/
|
||||
static inline void _Processor_mask_Clear(
|
||||
Processor_mask *mask,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
__BIT_CLR( CPU_MAXIMUM_PROCESSORS, index, mask );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Checks if the specified index bit of the mask is set.
|
||||
*
|
||||
* @param mask The mask to check if the specified bit is set.
|
||||
* @param index The index of the bit that is checked.
|
||||
*
|
||||
* @retval true The specified index bit is set.
|
||||
* @retval false The specified index bit is not set.
|
||||
*/
|
||||
static inline bool _Processor_mask_Is_set(
|
||||
const Processor_mask *mask,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
return __BIT_ISSET( CPU_MAXIMUM_PROCESSORS, index, mask );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Checks if the processor sets a and b are equal.
|
||||
*
|
||||
* @param a The first processor set.
|
||||
* @param b The seconde processor set.
|
||||
*
|
||||
* @retval true The processor sets a and b are equal.
|
||||
* @retval false The processor sets a and b are not equal.
|
||||
*/
|
||||
static inline bool _Processor_mask_Is_equal(
|
||||
const Processor_mask *a,
|
||||
const Processor_mask *b
|
||||
)
|
||||
{
|
||||
return !__BIT_CMP( CPU_MAXIMUM_PROCESSORS, a, b );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Checks if the intersection of the processor sets a and b is
|
||||
* non-empty.
|
||||
*
|
||||
* @param a The first processor set.
|
||||
* @param b The second processor set.
|
||||
*
|
||||
* @retval true The intersection of the processor sets a and b is non-empty.
|
||||
* @retval false The intersection of the processor sets a and b is empty.
|
||||
*/
|
||||
static inline bool _Processor_mask_Has_overlap(
|
||||
const Processor_mask *a,
|
||||
const Processor_mask *b
|
||||
)
|
||||
{
|
||||
return __BIT_OVERLAP( CPU_MAXIMUM_PROCESSORS, a, b );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Checks if the processor set small is a subset of processor set
|
||||
* big.
|
||||
*
|
||||
* @param big The bigger processor set.
|
||||
* @param small The smaller processor set.
|
||||
*
|
||||
* @retval true @a small is a subset of @a big.
|
||||
* @retval false @a small is not a subset of @a big.
|
||||
*/
|
||||
static inline bool _Processor_mask_Is_subset(
|
||||
const Processor_mask *big,
|
||||
const Processor_mask *small
|
||||
)
|
||||
{
|
||||
return __BIT_SUBSET( CPU_MAXIMUM_PROCESSORS, big, small );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Performs a bitwise a = b & c.
|
||||
*
|
||||
* @param[out] a The processor mask that is set by this operation.
|
||||
* @param b The first parameter of the AND-operation.
|
||||
* @param c The second parameter of the AND-operation.
|
||||
*/
|
||||
static inline void _Processor_mask_And(
|
||||
Processor_mask *a,
|
||||
const Processor_mask *b,
|
||||
const Processor_mask *c
|
||||
)
|
||||
{
|
||||
__BIT_AND2( CPU_MAXIMUM_PROCESSORS, a, b, c );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Performs a bitwise a = b | c.
|
||||
*
|
||||
* @param[out] a The processor mask that is set by this operation.
|
||||
* @param b The first parameter of the OR-operation.
|
||||
* @param c The second parameter of the OR-operation.
|
||||
*/
|
||||
static inline void _Processor_mask_Or(
|
||||
Processor_mask *a,
|
||||
const Processor_mask *b,
|
||||
const Processor_mask *c
|
||||
)
|
||||
{
|
||||
__BIT_OR2( CPU_MAXIMUM_PROCESSORS, a, b, c );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Performs a bitwise a = b ^ c.
|
||||
*
|
||||
* @param[out] a The processor mask that is set by this operation.
|
||||
* @param b The first parameter of the XOR-operation.
|
||||
* @param c The second parameter of the XOR-operation.
|
||||
*/
|
||||
static inline void _Processor_mask_Xor(
|
||||
Processor_mask *a,
|
||||
const Processor_mask *b,
|
||||
const Processor_mask *c
|
||||
)
|
||||
{
|
||||
__BIT_XOR2( CPU_MAXIMUM_PROCESSORS, a, b, c );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Gets the number of set bits in the processor mask.
|
||||
*
|
||||
* @param a The processor mask of which the set bits are counted.
|
||||
*
|
||||
* @return The number of set bits in @a a.
|
||||
*/
|
||||
static inline uint32_t _Processor_mask_Count( const Processor_mask *a )
|
||||
{
|
||||
return (uint32_t) __BIT_COUNT( CPU_MAXIMUM_PROCESSORS, a );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Finds the last set of the processor mask.
|
||||
*
|
||||
* @param a The processor mask wo find the last set of.
|
||||
*
|
||||
* @return The last set of @a a.
|
||||
*/
|
||||
static inline uint32_t _Processor_mask_Find_last_set( const Processor_mask *a )
|
||||
{
|
||||
return (uint32_t) __BIT_FLS( CPU_MAXIMUM_PROCESSORS, a );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Returns the subset of 32 processors containing the specified index as
|
||||
* an unsigned 32-bit integer.
|
||||
*
|
||||
* @param mask The processor mask.
|
||||
* @param index The specified index.
|
||||
*
|
||||
* @return The subset containing the specified index as an unsigned 32-bit integer.
|
||||
*/
|
||||
static inline uint32_t _Processor_mask_To_uint32_t(
|
||||
const Processor_mask *mask,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
long bits = mask->__bits[ index / _BITSET_BITS ];
|
||||
|
||||
return (uint32_t) ( bits >> ( 32 * ( ( index % _BITSET_BITS ) / 32 ) ) );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Creates a processor set from an unsigned 32-bit integer relative to
|
||||
* the specified index.
|
||||
*
|
||||
* @param[out] mask The mask that is created.
|
||||
* @param bits The bits for creating the mask.
|
||||
* @param index The index to which the mask is relative.
|
||||
*/
|
||||
static inline void _Processor_mask_From_uint32_t(
|
||||
Processor_mask *mask,
|
||||
uint32_t bits,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
_Processor_mask_Zero( mask );
|
||||
mask->__bits[ __bitset_words( index ) ] = ((long) bits) << (32 * (index % _BITSET_BITS) / 32);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Creates a processor set from the specified index.
|
||||
*
|
||||
* @param[out] The mask that is created.
|
||||
* @param index The specified index.
|
||||
*/
|
||||
static inline void _Processor_mask_From_index(
|
||||
Processor_mask *mask,
|
||||
uint32_t index
|
||||
)
|
||||
{
|
||||
__BIT_SETOF( CPU_MAXIMUM_PROCESSORS, (int) index, mask );
|
||||
}
|
||||
|
||||
typedef enum {
|
||||
PROCESSOR_MASK_COPY_LOSSLESS,
|
||||
PROCESSOR_MASK_COPY_PARTIAL_LOSS,
|
||||
PROCESSOR_MASK_COPY_COMPLETE_LOSS,
|
||||
PROCESSOR_MASK_COPY_INVALID_SIZE
|
||||
} Processor_mask_Copy_status;
|
||||
|
||||
/**
|
||||
* @brief Checks if the copy status guarantees at most partial loss.
|
||||
*
|
||||
* @param status The copy status to check.
|
||||
*
|
||||
* @retval true At most partial loss can be guaranteed.
|
||||
* @retval false The status indicates more than partial loss.
|
||||
*/
|
||||
static inline bool _Processor_mask_Is_at_most_partial_loss(
|
||||
Processor_mask_Copy_status status
|
||||
)
|
||||
{
|
||||
return (unsigned int) status <= PROCESSOR_MASK_COPY_PARTIAL_LOSS;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Copies one mask to another.
|
||||
*
|
||||
* @param[out] dst The destination of the copy operation.
|
||||
* @param dst_size The size of @a dst.
|
||||
* @param src The source of the copy operation.
|
||||
* @param src_size The size of @a src.
|
||||
*
|
||||
* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
|
||||
* operation is lossless.
|
||||
* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
|
||||
* is invalid (bigger than the size of a long).
|
||||
*/
|
||||
Processor_mask_Copy_status _Processor_mask_Copy(
|
||||
long *dst,
|
||||
size_t dst_size,
|
||||
const long *src,
|
||||
size_t src_size
|
||||
);
|
||||
|
||||
/**
|
||||
* @brief Copies one mask to another.
|
||||
*
|
||||
* @param src The source for the copy operation.
|
||||
* @param dst_size The size of @a dst.
|
||||
* @param[out] dst The destination for the copy operation.
|
||||
*
|
||||
* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
|
||||
* operation is lossless.
|
||||
* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
|
||||
* is invalid (bigger than the size of a long).
|
||||
*/
|
||||
static inline Processor_mask_Copy_status _Processor_mask_To_cpu_set_t(
|
||||
const Processor_mask *src,
|
||||
size_t dst_size,
|
||||
cpu_set_t *dst
|
||||
)
|
||||
{
|
||||
return _Processor_mask_Copy(
|
||||
&dst->__bits[ 0 ],
|
||||
dst_size,
|
||||
&src->__bits[ 0 ],
|
||||
sizeof( *src )
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Copies one mask to another.
|
||||
*
|
||||
* @param src The source for the copy operation.
|
||||
* @param src_size The size of @a src.
|
||||
* @param[out] dst The destination for the copy operation.
|
||||
*
|
||||
* @retval PROCESSOR_MASK_COPY_LOSSLESS It is guaranteed that the copy
|
||||
* operation is lossless.
|
||||
* @retval PROCESSOR_MASK_COPY_PARTIAL_LOSS Partial loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_COMPLETE_LOSS Complete loss happened due
|
||||
* to the sizes of @a src and @a dst.
|
||||
* @retval PROCESSOR_MASK_COPY_INVALID_SIZE One of the arguments sizes
|
||||
* is invalid (bigger than the size of a long).
|
||||
*/
|
||||
static inline Processor_mask_Copy_status _Processor_mask_From_cpu_set_t(
|
||||
Processor_mask *dst,
|
||||
size_t src_size,
|
||||
const cpu_set_t *src
|
||||
)
|
||||
{
|
||||
return _Processor_mask_Copy(
|
||||
&dst->__bits[ 0 ],
|
||||
sizeof( *dst ),
|
||||
&src->__bits[ 0 ],
|
||||
src_size
|
||||
);
|
||||
}
|
||||
|
||||
extern const Processor_mask _Processor_mask_The_one_and_only;
|
||||
|
||||
/** @} */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
#endif /* _RTEMS_SCORE_PROCESSORMASKIMPL_H */
|
||||
@@ -40,7 +40,7 @@
|
||||
|
||||
#include <rtems/score/smp.h>
|
||||
#include <rtems/score/percpu.h>
|
||||
#include <rtems/score/processormask.h>
|
||||
#include <rtems/score/processormaskimpl.h>
|
||||
#include <rtems/fatal.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
@@ -39,7 +39,7 @@
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <rtems/score/processormask.h>
|
||||
#include <rtems/score/processormaskimpl.h>
|
||||
|
||||
const Processor_mask _Processor_mask_The_one_and_only = { .__bits[ 0 ] = 1 };
|
||||
|
||||
|
||||
Reference in New Issue
Block a user