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