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Merge pull request #8741 from Ryan-Everett-arm/add-locking-macros

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Add macros for locking/unlocking the key slot mutex
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Paul Elliott 2024-01-26 13:53:38 +00:00 committed by GitHub
commit 47c74a4773
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1 changed files with 46 additions and 0 deletions
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46
library/psa_crypto_core.h
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@ -20,6 +20,9 @@
#include "psa/crypto.h" #include "psa/crypto.h"
#include "psa/crypto_se_driver.h" #include "psa/crypto_se_driver.h"
#if defined(MBEDTLS_THREADING_C)
#include "mbedtls/threading.h"
#endif
/** /**
* Tell if PSA is ready for this hash. * Tell if PSA is ready for this hash.
@ -111,6 +114,49 @@ typedef struct {
} key; } key;
} psa_key_slot_t; } psa_key_slot_t;
#if defined(MBEDTLS_THREADING_C)
/** Perform a mutex operation and return immediately upon failure.
*
* Returns PSA_ERROR_SERVICE_FAILURE if the operation fails
* and status was PSA_SUCCESS.
*
* Assumptions:
* psa_status_t status exists.
* f is a mutex operation which returns 0 upon success.
*/
#define PSA_THREADING_CHK_RET(f) \
do \
{ \
if ((f) != 0) { \
if (status == PSA_SUCCESS) { \
return PSA_ERROR_SERVICE_FAILURE; \
} \
return status; \
} \
} while (0);
/** Perform a mutex operation and goto exit on failure.
*
* Sets status to PSA_ERROR_SERVICE_FAILURE if status was PSA_SUCCESS.
*
* Assumptions:
* psa_status_t status exists.
* Label exit: exists.
* f is a mutex operation which returns 0 upon success.
*/
#define PSA_THREADING_CHK_GOTO_EXIT(f) \
do \
{ \
if ((f) != 0) { \
if (status == PSA_SUCCESS) { \
status = PSA_ERROR_SERVICE_FAILURE; \
} \
goto exit; \
} \
} while (0);
#endif
/* A mask of key attribute flags used only internally. /* A mask of key attribute flags used only internally.
* Currently there aren't any. */ * Currently there aren't any. */
#define PSA_KA_MASK_INTERNAL_ONLY ( \ #define PSA_KA_MASK_INTERNAL_ONLY ( \