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livetrax/libs/pbd/stacktrace.cc
David Robillard fedf3d34f3 Merged with trunk R992.
Completely untested other than it compiles, runs, and records somewhat (need to merge again).


git-svn-id: svn://localhost/ardour2/branches/midi@999 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-10-21 19:01:50 +00:00

43 lines
727 B
C++

#include <pbd/stacktrace.h>
#include <iostream>
/* Obtain a backtrace and print it to stdout. */
#ifdef HAVE_EXECINFO
#include <execinfo.h>
#include <stdlib.h>
void
PBD::stacktrace (std::ostream& out, int levels)
{
void *array[200];
size_t size;
char **strings;
size_t i;
size = backtrace (array, 200);
strings = backtrace_symbols (array, size);
if (strings) {
printf ("Obtained %zd stack frames.\n", size);
for (i = 0; i < size && (levels == 0 || i < levels); i++) {
out << strings[i] << std::endl;
}
free (strings);
}
}
#else
void
PBD::stacktrace (std::ostream& out, int levels)
{
out << "stack tracing is not enabled on this platform" << std::endl;
}
#endif /* HAVE_EXECINFO */