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Add sanity assertions in some import lock code (issue #15599).

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This commit is contained in:
Antoine Pitrou 2012-12-18 22:18:17 +01:00
parent 5b89840d9c
commit 202b60640b
2 changed files with 3 additions and 0 deletions
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2
Python/import.c
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@ -169,6 +169,7 @@ _PyImport_AcquireLock(void)
PyThread_acquire_lock(import_lock, 1);
PyEval_RestoreThread(tstate);
}
assert(import_lock_level == 0);
import_lock_thread = me;
import_lock_level = 1;
}
@ -182,6 +183,7 @@ _PyImport_ReleaseLock(void)
if (import_lock_thread != me)
return -1;
import_lock_level--;
assert(import_lock_level >= 0);
if (import_lock_level == 0) {
import_lock_thread = -1;
PyThread_release_lock(import_lock);