930f704aac
WPA_TRACE=y can now be used to enable internal backtrace support that will provide more details about implementation errors, e.g., when some resources are not released correctly. In addition, this will print out a backtrace automatically if SIGSEGV is received.
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/*
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* Backtrace debugging
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* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef TRACE_H
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#define TRACE_H
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#define WPA_TRACE_LEN 16
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#ifdef WPA_TRACE
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#include <execinfo.h>
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#define WPA_TRACE_INFO void *btrace[WPA_TRACE_LEN]; int btrace_num;
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#define wpa_trace_dump(title, ptr) \
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wpa_trace_dump_func((title), (ptr)->btrace, (ptr)->btrace_num)
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void wpa_trace_dump_func(const char *title, void **btrace, int btrace_num);
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#define wpa_trace_record(ptr) \
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(ptr)->btrace_num = backtrace((ptr)->btrace, WPA_TRACE_LEN)
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void wpa_trace_show(const char *title);
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#else /* WPA_TRACE */
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#define WPA_TRACE_INFO
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#define wpa_trace_dump(title, ptr) do { } while (0)
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#define wpa_trace_record(ptr) do { } while (0)
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#define wpa_trace_show(title) do { } while (0)
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#endif /* WPA_TRACE */
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#endif /* TRACE_H */
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