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Add new global mutex for PSA global_data

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott
2024-02-22 16:55:03 +00:00
parent b5b185b482
commit 077fd87748
2 changed files with 10 additions and 0 deletions
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7
include/mbedtls/threading.h
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@@ -112,6 +112,13 @@ extern mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex;
* psa_key_slot_state_transition(), psa_register_read(), psa_unregister_read(), * psa_key_slot_state_transition(), psa_register_read(), psa_unregister_read(),
* psa_key_slot_has_readers() and psa_wipe_key_slot(). */ * psa_key_slot_has_readers() and psa_wipe_key_slot(). */
extern mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex; extern mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex;
/*
* A mutex used to make the PSA global_data struct members thread safe.
*
* This mutex must be held when any read or write to a any of the PSA
* global_data structure members. */
extern mbedtls_threading_mutex_t mbedtls_threading_psa_globaldata_mutex;
#endif #endif
#endif /* MBEDTLS_THREADING_C */ #endif /* MBEDTLS_THREADING_C */

3
library/threading.c
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@@ -150,6 +150,7 @@ void mbedtls_threading_set_alt(void (*mutex_init)(mbedtls_threading_mutex_t *),
#endif #endif
#if defined(MBEDTLS_PSA_CRYPTO_C) #if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_mutex_init(&mbedtls_threading_key_slot_mutex); mbedtls_mutex_init(&mbedtls_threading_key_slot_mutex);
mbedtls_mutex_init(&mbedtls_threading_psa_globaldata_mutex);
#endif #endif
} }
@@ -166,6 +167,7 @@ void mbedtls_threading_free_alt(void)
#endif #endif
#if defined(MBEDTLS_PSA_CRYPTO_C) #if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_mutex_free(&mbedtls_threading_key_slot_mutex); mbedtls_mutex_free(&mbedtls_threading_key_slot_mutex);
mbedtls_mutex_free(&mbedtls_threading_psa_globaldata_mutex);
#endif #endif
} }
#endif /* MBEDTLS_THREADING_ALT */ #endif /* MBEDTLS_THREADING_ALT */
@@ -184,6 +186,7 @@ mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex MUTEX_INIT;
#endif #endif
#if defined(MBEDTLS_PSA_CRYPTO_C) #if defined(MBEDTLS_PSA_CRYPTO_C)
mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex MUTEX_INIT; mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex MUTEX_INIT;
mbedtls_threading_mutex_t mbedtls_threading_psa_globaldata_mutex MUTEX_INIT;
#endif #endif
#endif /* MBEDTLS_THREADING_C */ #endif /* MBEDTLS_THREADING_C */