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by brian
clean slate |
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/*********************************************************************
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Debug utilities for Innobase
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(c) 1994, 1995 Innobase Oy
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Created 1/30/1994 Heikki Tuuri
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**********************************************************************/
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#ifndef ut0dbg_h
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#define ut0dbg_h
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#include "univ.i" |
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#include <stdlib.h> |
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#include "os0thread.h" |
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#if defined(__GNUC__) && (__GNUC__ > 2)
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# define UT_DBG_FAIL(EXPR) UNIV_UNLIKELY(!((ulint)(EXPR)))
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#else
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extern ulint ut_dbg_zero; /* This is used to eliminate |
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compiler warnings */
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# define UT_DBG_FAIL(EXPR) !((ulint)(EXPR) + ut_dbg_zero)
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#endif
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/*****************************************************************
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Report a failed assertion. */
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void
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ut_dbg_assertion_failed( |
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/*====================*/
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const char* expr, /* in: the failed assertion */ |
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const char* file, /* in: source file containing the assertion */ |
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ulint line); /* in: line number of the assertion */ |
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#ifdef __NETWARE__
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/* Flag for ignoring further assertion failures.
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On NetWare, have a graceful exit rather than a segfault to avoid abends. */
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extern ibool panic_shutdown; |
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/* Abort the execution. */
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void ut_dbg_panic(void); |
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# define UT_DBG_PANIC ut_dbg_panic()
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/* Stop threads in ut_a(). */
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# define UT_DBG_STOP while (0) /* We do not do this on NetWare */ |
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#else /* __NETWARE__ */ |
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# if defined(__WIN__) || defined(__INTEL_COMPILER)
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# undef UT_DBG_USE_ABORT
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# elif defined(__GNUC__) && (__GNUC__ > 2)
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# define UT_DBG_USE_ABORT
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# endif
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# ifndef UT_DBG_USE_ABORT
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/* A null pointer that will be dereferenced to trigger a memory trap */
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extern ulint* ut_dbg_null_ptr; |
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# endif
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# if defined(UNIV_SYNC_DEBUG) || !defined(UT_DBG_USE_ABORT)
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/* Flag for indicating that all threads should stop. This will be set
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by ut_dbg_assertion_failed(). */
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extern ibool ut_dbg_stop_threads; |
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/*****************************************************************
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Stop a thread after assertion failure. */
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void
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ut_dbg_stop_thread( |
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/*===============*/
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const char* file, |
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ulint line); |
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# endif
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# ifdef UT_DBG_USE_ABORT
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/* Abort the execution. */
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# define UT_DBG_PANIC abort()
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/* Stop threads (null operation) */
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# define UT_DBG_STOP while (0)
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# else /* UT_DBG_USE_ABORT */ |
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/* Abort the execution. */
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# define UT_DBG_PANIC \
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if (*(ut_dbg_null_ptr)) ut_dbg_null_ptr = NULL
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/* Stop threads in ut_a(). */
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# define UT_DBG_STOP do \
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if (UNIV_UNLIKELY(ut_dbg_stop_threads)) { \
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ut_dbg_stop_thread(__FILE__, (ulint) __LINE__); \
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} while (0)
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# endif /* UT_DBG_USE_ABORT */ |
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#endif /* __NETWARE__ */ |
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/* Abort execution if EXPR does not evaluate to nonzero. */
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#define ut_a(EXPR) do { \
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if (UT_DBG_FAIL(EXPR)) { \
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ut_dbg_assertion_failed(#EXPR, \
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__FILE__, (ulint) __LINE__); \
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UT_DBG_PANIC; \
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} \
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UT_DBG_STOP; \
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} while (0)
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/* Abort execution. */
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#define ut_error do { \
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ut_dbg_assertion_failed(0, __FILE__, (ulint) __LINE__); \
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UT_DBG_PANIC; \
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} while (0)
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#ifdef UNIV_DEBUG
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#define ut_ad(EXPR) ut_a(EXPR)
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#define ut_d(EXPR) do {EXPR;} while (0)
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#else
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#define ut_ad(EXPR)
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#define ut_d(EXPR)
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#endif
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#define UT_NOT_USED(A) A = A
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#endif
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