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Commits › 71f015e
Deal l with temporary contention in pkgdb_transaction_begin() by retrying up to NTRIES times. This avoids "database is locked" failures under contention.
Jan Mikkelsen committed 12 years ago
commit 71f015ef2f14a1eb4dc7b836274f39f65b839070
parent 51f8a3e
1 file changed +7 -1
modified libpkg/pkgdb.c
@@ -1069,6 +1069,7 @@ int
pkgdb_transaction_begin(sqlite3 *sqlite, const char *savepoint)

{

	int		 ret;
+ 
	int		 tries;

	sqlite3_stmt	*stmt;
@@ -1091,7 +1092,12 @@ pkgdb_transaction_begin(sqlite3 *sqlite, const char *savepoint)
	}



	if (ret == SQLITE_OK)
- 
		ret = sqlite3_step(stmt);
+ 
		for (tries = 0; tries < NTRIES; tries++) {
+ 
			ret = sqlite3_step(stmt);
+ 
			if (ret != SQLITE_BUSY)
+ 
				break;
+ 
	    		sqlite3_sleep(250);
+ 
		}



	sqlite3_finalize(stmt);