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In the following example, the lr_end_transaction function measures the transaction time for performing a deposit to a bank server. Once the server API call is completed and returns a value to the rc variable, the transaction is complete. The user manually sets the transaction status, based on the success or failure of the deposit.
/* Notify that a transaction is starting */ lr_start_transaction("deposit"); /* Server API call */ rc = bank_deposit (50); /* End transaction with operation result - pass or fail */ if (rc == 0) lr_end_transaction("deposit", LR_PASS); else lr_end_transaction("deposit", LR_FAIL);