Use backtrace() and include execinfo.h, if they were detected by autoconf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11658 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Brian Gaeke 2004-02-20 06:40:59 +00:00
parent 0c80389498
commit 38ce7e57d4

View File

@ -17,10 +17,12 @@
#include <algorithm>
#include <cstdlib>
#include <cstdio>
//#include <execinfo.h>
#include "Config/config.h" // Get the signal handler return type
#ifdef HAVE_EXECINFO_H
# include <execinfo.h> // For backtrace().
#endif
#include <signal.h>
#include <unistd.h>
#include "Config/config.h" // Get the signal handler return type
using namespace llvm;
static std::vector<std::string> FilesToRemove;
@ -54,9 +56,12 @@ static RETSIGTYPE SignalHandler(int Sig) {
exit(1); // If this is an interrupt signal, exit the program
// Otherwise if it is a fault (like SEGV) output the stacktrace to
// STDERR and reissue the signal to die...
//int depth = backtrace(StackTrace, sizeof(StackTrace)/sizeof(StackTrace[0]));
//backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO);
// STDERR (if we can) and reissue the signal to die...
#ifdef HAVE_BACKTRACE
// Use backtrace() to output a backtrace on Linux systems with glibc.
int depth = backtrace(StackTrace, sizeof(StackTrace)/sizeof(StackTrace[0]));
backtrace_symbols_fd(StackTrace, depth, STDERR_FILENO);
#endif
signal(Sig, SIG_DFL);
}