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56 lines
1.4 KiB
PHP
56 lines
1.4 KiB
PHP
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/* ------------------------------- Hooks -------------------------------- */
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/*
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PREACTION should be defined to return 0 on success, and nonzero on
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failure. If you are not using locking, you can redefine these to do
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anything you like.
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*/
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#if USE_LOCKS
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#define PREACTION(M) ((use_lock(M))? ACQUIRE_LOCK(&(M)->mutex) : 0)
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#define POSTACTION(M) { if (use_lock(M)) RELEASE_LOCK(&(M)->mutex); }
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#else /* USE_LOCKS */
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#ifndef PREACTION
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#define PREACTION(M) (0)
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#endif /* PREACTION */
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#ifndef POSTACTION
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#define POSTACTION(M)
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#endif /* POSTACTION */
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#endif /* USE_LOCKS */
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/*
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CORRUPTION_ERROR_ACTION is triggered upon detected bad addresses.
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USAGE_ERROR_ACTION is triggered on detected bad frees and
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reallocs. The argument p is an address that might have triggered the
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fault. It is ignored by the two predefined actions, but might be
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useful in custom actions that try to help diagnose errors.
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*/
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#if PROCEED_ON_ERROR
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/* A count of the number of corruption errors causing resets */
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int malloc_corruption_error_count;
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/* default corruption action */
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static void reset_on_error(mstate m);
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#define CORRUPTION_ERROR_ACTION(m) reset_on_error(m)
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#define USAGE_ERROR_ACTION(m, p)
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#else /* PROCEED_ON_ERROR */
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#ifndef CORRUPTION_ERROR_ACTION
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#define CORRUPTION_ERROR_ACTION(m) ABORT
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#endif /* CORRUPTION_ERROR_ACTION */
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#ifndef USAGE_ERROR_ACTION
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#define USAGE_ERROR_ACTION(m,p) ABORT
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#endif /* USAGE_ERROR_ACTION */
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#endif /* PROCEED_ON_ERROR */
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