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Adding stack dump on SIGSEGV and SIGBUS.

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git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@257 e378c898-3ddf-0310-93e7-cc216c733640
This commit is contained in:
rakshasa
2005-02-06 16:18:54 +00:00
parent 11506c5a61
commit c2a0fd90dc
1 changed files with 34 additions and 0 deletions
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src/main.cc
+34
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@@ -5,6 +5,12 @@
#include <torrent/torrent.h>
#include <sigc++/bind.h>
#define USE_EXECINFO
#ifdef USE_EXECINFO
#include <execinfo.h>
#endif
#include "display/canvas.h"
#include "core/poll.h"
@@ -58,6 +64,32 @@ do_shutdown() {
std::for_each(downloads.begin(), downloads.end(), std::mem_fun_ref(&core::Download::stop));
}
void
do_panic(int signum) {
display::Canvas::cleanup();
std::cout << "Signal " << (signum == SIGSEGV ? "SIGSEGV" : "SIGBUS") << " recived, dumping stack:" << std::endl;
#ifdef USE_EXECINFO
void* stackPtrs[20];
// Print the stack and exit.
int stackSize = backtrace(stackPtrs, 20);
char** stackStrings = backtrace_symbols(stackPtrs, stackSize);
for (int i = 0; i < stackSize; ++i)
std::cout << i << ' ' << stackStrings[i] << std::endl;
#else
std::cout << "Stack dump not enabled." << std::endl;
#endif
if (signum == SIGBUS)
std::cout << "A bus error might mean you ran out of diskspace." << std::endl;
exit(-1);
}
int
main(int argc, char** argv) {
try {
@@ -94,6 +126,8 @@ main(int argc, char** argv) {
}
SignalHandler::set_handler(SIGINT, sigc::ptr_fun(&set_shutdown));
SignalHandler::set_handler(SIGSEGV, sigc::bind(sigc::ptr_fun(&do_panic), SIGSEGV));
SignalHandler::set_handler(SIGBUS, sigc::bind(sigc::ptr_fun(&do_panic), SIGBUS));
uiControl.get_display().adjust_layout();