replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Only print the stack trace if it was requested. Previously, any call into 

the Signals module that registered the handlers would cause the stack trace
to be generated. Now, you must explicitly call PrintStackTraceOnErrorSignal
in order for that to happen.

llvm-svn: 28810
This commit is contained in:
Reid Spencer 2006-06-16 00:00:57 +00:00
parent 4ff6c1646f
commit 57e8e38a6f
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
llvm/lib/System/Unix/Signals.inc
View File

@ -24,6 +24,8 @@
namespace {
bool StackTraceRequested = false;
/// InterruptFunction - The function to call if ctrl-c is pressed.
void (*InterruptFunction)() = 0;
@ -132,7 +134,8 @@ RETSIGTYPE SignalHandler(int Sig) {
// Otherwise if it is a fault (like SEGV) output the stacktrace to
// STDERR (if we can) and reissue the signal to die...
PrintStackTrace();
if (StackTraceRequested)
PrintStackTrace();
signal(Sig, SIG_DFL);
}
@ -178,6 +181,7 @@ void sys::RemoveDirectoryOnSignal(const llvm::sys::Path& path) {
/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
void sys::PrintStackTraceOnErrorSignal() {
StackTraceRequested = true;
std::for_each(KillSigs, KillSigsEnd, RegisterHandler);
}