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mdbx: fix/rework mdbx_reader_check().

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This commit is contained in:
Leo Yuriev
2017-04-21 18:26:32 +03:00
parent 1b490fda24
commit c2087f186e
4 changed files with 79 additions and 50 deletions
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7
src/osal.h
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@@ -421,6 +421,13 @@ void mdbx_txn_unlock(MDB_env *env);
int mdbx_rpid_set(MDB_env *env);
int mdbx_rpid_clear(MDB_env *env);
/* Checks reader by pid.
*
* Returns:
* MDBX_RESULT_TRUE, if pid is live (unable to acquire lock)
* MDBX_RESULT_FALSE, if pid is dead (lock acquired)
* or otherwise the errcode. */
int mdbx_rpid_check(MDB_env *env, mdbx_pid_t pid);
/*----------------------------------------------------------------------------*/