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//===-- MonitoringProcessLauncher.cpp ---------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/MonitoringProcessLauncher.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostProcess.h"
#include "lldb/Target/ProcessLaunchInfo.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/Status.h"
#include "llvm/Support/FileSystem.h"
using namespace lldb;
using namespace lldb_private;
MonitoringProcessLauncher::MonitoringProcessLauncher(
std::unique_ptr<ProcessLauncher> delegate_launcher)
: m_delegate_launcher(std::move(delegate_launcher)) {}
HostProcess
MonitoringProcessLauncher::LaunchProcess(const ProcessLaunchInfo &launch_info,
Status &error) {
ProcessLaunchInfo resolved_info(launch_info);
error.Clear();
FileSpec exe_spec(resolved_info.GetExecutableFile());
llvm::sys::fs::file_status stats;
status(exe_spec.GetPath(), stats);
if (!exists(stats)) {
exe_spec.ResolvePath();
status(exe_spec.GetPath(), stats);
}
if (!exists(stats)) {
FileSystem::Instance().ResolveExecutableLocation(exe_spec);
status(exe_spec.GetPath(), stats);
}
if (!exists(stats)) {
error.SetErrorStringWithFormatv("executable doesn't exist: '{0}'",
exe_spec);
return HostProcess();
}
resolved_info.SetExecutableFile(exe_spec, false);
assert(!resolved_info.GetFlags().Test(eLaunchFlagLaunchInTTY));
HostProcess process =
m_delegate_launcher->LaunchProcess(resolved_info, error);
if (process.GetProcessId() != LLDB_INVALID_PROCESS_ID) {
Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_PROCESS));
assert(launch_info.GetMonitorProcessCallback());
process.StartMonitoring(launch_info.GetMonitorProcessCallback(),
launch_info.GetMonitorSignals());
if (log)
log->PutCString("started monitoring child process.");
} else {
// Invalid process ID, something didn't go well
if (error.Success())
error.SetErrorString("process launch failed for unknown reasons");
}
return process;
}
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