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Move key_slot_mutex to threading.h

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Make this a global mutex so that we don't have to init and free it.
Also rename the mutex to follow the convention

Signed-off-by: Ryan Everett <ryan.everett@arm.com>
This commit is contained in:
Ryan Everett 2024-01-19 12:59:28 +00:00
parent fb02d57de7
commit 558da2ffd3
4 changed files with 25 additions and 39 deletions
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14
include/mbedtls/threading.h
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@ -100,6 +100,20 @@ extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
extern mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex;
#endif /* MBEDTLS_HAVE_TIME_DATE && !MBEDTLS_PLATFORM_GMTIME_R_ALT */
#if defined(MBEDTLS_PSA_CRYPTO_C)
/*
* A mutex used to make the PSA subsystem thread safe.
*
* key_slot_mutex protects the registered_readers and
* state variable for all key slots in &global_data.key_slots.
*
* This mutex must be held when any read from or write to a state or
* registered_readers field is performed, i.e. when calling functions:
* psa_key_slot_state_transition(), psa_register_read(), psa_unregister_read(),
* psa_key_slot_has_readers() and psa_wipe_key_slot(). */
extern mbedtls_threading_mutex_t mbedtls_threading_key_slot_mutex;
#endif
#endif /* MBEDTLS_THREADING_C */
#ifdef __cplusplus