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[Core] Use a mutex guard for split shared memory (#16647)

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Stefan Kerkmann 2022-04-19 12:56:16 +02:00 • committed by GitHub
parent 176ab14649
commit 7712a286dc
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 82 additions and 20 deletions
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17
quantum/split_common/transactions.c
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@ -23,8 +23,9 @@
#include "quantum.h"
#include "transactions.h"
#include "transport.h"
#include "split_util.h"
#include "transaction_id_define.h"
#include "split_util.h"
#include "synchronization_util.h"
#define SYNC_TIMER_OFFSET 2
@ -63,9 +64,7 @@ static bool transaction_handler_master(matrix_row_t master_matrix[], matrix_row_
}
}
bool this_okay = true;
ATOMIC_BLOCK_FORCEON {
this_okay = handler(master_matrix, slave_matrix);
};
this_okay = handler(master_matrix, slave_matrix);
if (this_okay) return true;
}
dprintf("Failed to execute %s\n", prefix);
@ -77,11 +76,11 @@ static bool transaction_handler_master(matrix_row_t master_matrix[], matrix_row_
if (!transaction_handler_master(master_matrix, slave_matrix, #prefix, &prefix##_handlers_master)) return false; \
} while (0)
#define TRANSACTION_HANDLER_SLAVE(prefix) \
do { \
ATOMIC_BLOCK_FORCEON { \
prefix##_handlers_slave(master_matrix, slave_matrix); \
}; \
#define TRANSACTION_HANDLER_SLAVE(prefix) \
do { \
split_shared_memory_lock(); \
prefix##_handlers_slave(master_matrix, slave_matrix); \
split_shared_memory_unlock(); \
} while (0)
inline static bool read_if_checksum_mismatch(int8_t trans_id_checksum, int8_t trans_id_retrieve, uint32_t *last_update, void *destination, const void *equiv_shmem, size_t length) {