diff options
Diffstat (limited to 'lldb/tools/driver/Driver.cpp')
| -rw-r--r-- | lldb/tools/driver/Driver.cpp | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/lldb/tools/driver/Driver.cpp b/lldb/tools/driver/Driver.cpp index 2070e55d7d2..b77350190be 100644 --- a/lldb/tools/driver/Driver.cpp +++ b/lldb/tools/driver/Driver.cpp @@ -810,7 +810,7 @@ int main(int argc, char const *argv[]) { // Setup LLVM signal handlers and make sure we call llvm_shutdown() on // destruction. - llvm::InitLLVM IL(argc, argv); + llvm::InitLLVM IL(argc, argv, /*InstallPipeSignalExitHandler=*/false); // Parse arguments. LLDBOptTable T; @@ -841,25 +841,6 @@ int main(int argc, char const *argv[]) } SBHostOS::ThreadCreated("<lldb.driver.main-thread>"); - // Install llvm's signal handlers up front to prevent lldb's handlers from - // being ignored. This is (hopefully) a stopgap workaround. - // - // When lldb invokes an llvm API that installs signal handlers (e.g. - // llvm::sys::RemoveFileOnSignal, possibly via a compiler embedded within - // lldb), lldb's signal handlers are overriden if llvm is installing its - // handlers for the first time. - // - // To work around llvm's behavior, force it to install its handlers up front, - // and *then* install lldb's handlers. In practice this is used to prevent - // lldb test processes from exiting due to IO_ERR when SIGPIPE is received. - // - // Note that when llvm installs its handlers, it 1) records the old handlers - // it replaces and 2) re-installs the old handlers when its new handler is - // invoked. That means that a signal not explicitly handled by lldb can fall - // back to being handled by llvm's handler the first time it is received, - // and then by the default handler the second time it is received. - llvm::sys::AddSignalHandler([](void *) -> void {}, nullptr); - signal(SIGINT, sigint_handler); #if !defined(_MSC_VER) signal(SIGPIPE, SIG_IGN); |
