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FreeTDM: Move custom backtrace code into ftdm_backtrace_walk() and helper functions.

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Portability fix for uClibc and other (linux) environments that lack execinfo.h.

ftdm_backtrace_walk() and related return FTDM_NOTIMPL and print a message
if backtraces are not available in the current environment.

Signed-off-by: Stefan Knoblich <stkn@openisdn.net>
This commit is contained in:
Stefan Knoblich
2012-07-11 17:21:49 +02:00
parent 91236c9ad3
commit 61cfafe6c2
6 changed files with 132 additions and 26 deletions
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34
libs/freetdm/src/include/freetdm.h
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@@ -1814,6 +1814,40 @@ FT_DECLARE(void) ftdm_global_set_config_directory(const char *path);
/*! \brief Check if the FTDM library is initialized and running */
FT_DECLARE(ftdm_bool_t) ftdm_running(void);
/**
* Generate a stack trace and invoke a callback function for each entry
* \param[in] callback Callback function, that is invoked for each stack symbol
* \param[in] priv (User-)Private data passed to the callback
* \retval
* FTDM_SUCCESS On success
* FTDM_NOTIMPL Backtraces are not available
* FTDM_EINVAL Invalid arguments (callback was NULL)
*/
FT_DECLARE(ftdm_status_t) ftdm_backtrace_walk(void (* callback)(const int tid, const void *addr, const char *symbol, void *priv), void *priv);
/**
* Convenience function to print a backtrace for a span.
* \note The backtrace is generated with FTDM_LOG_DEBUG log level.
* \param[in] span Span object
* \retval
* FTDM_SUCCESS On success
* FTDM_NOTIMPL Backtraces are not available
* FTDM_EINVAL Invalid arguments (e.g. span was NULL)
*/
FT_DECLARE(ftdm_status_t) ftdm_backtrace_span(ftdm_span_t *span);
/**
* Convenience function to print a backtrace for a channel.
* \note The backtrace is generated with FTDM_LOG_DEBUG log level.
* \param[in] chan Channel object
* \retval
* FTDM_SUCCESS On success
* FTDM_NOTIMPL Backtraces are not available
* FTDM_EINVAL Invalid arguments (e.g. chan was NULL)
*/
FT_DECLARE(ftdm_status_t) ftdm_backtrace_chan(ftdm_channel_t *chan);
FT_DECLARE_DATA extern ftdm_logger_t ftdm_log;
/*! \brief Basic transcoding function prototype */

4
libs/freetdm/src/include/private/ftdm_core.h
View File

@@ -104,10 +104,6 @@
#include <sys/time.h>
#endif
#ifdef __linux__
#include <execinfo.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>