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//===-- ProcessLaunchInfo.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_HOST_PROCESSLAUNCHINFO_H
#define LLDB_HOST_PROCESSLAUNCHINFO_H
// C++ Headers
#include <string>
// LLDB Headers
#include "lldb/Utility/Flags.h"
#include "lldb/Host/FileAction.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/PseudoTerminal.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/ProcessInfo.h"
namespace lldb_private {
// ProcessLaunchInfo
//
// Describes any information that is required to launch a process.
class ProcessLaunchInfo : public ProcessInfo {
public:
ProcessLaunchInfo();
ProcessLaunchInfo(const FileSpec &stdin_file_spec,
const FileSpec &stdout_file_spec,
const FileSpec &stderr_file_spec,
const FileSpec &working_dir, uint32_t launch_flags);
void AppendFileAction(const FileAction &info) {
m_file_actions.push_back(info);
}
bool AppendCloseFileAction(int fd);
bool AppendDuplicateFileAction(int fd, int dup_fd);
bool AppendOpenFileAction(int fd, const FileSpec &file_spec, bool read,
bool write);
bool AppendSuppressFileAction(int fd, bool read, bool write);
// Redirect stdin/stdout/stderr to a pty, if no action for the respective file
// descriptor is specified. (So if stdin and stdout already have file actions,
// but stderr doesn't, then only stderr will be redirected to a pty.)
llvm::Error SetUpPtyRedirection();
size_t GetNumFileActions() const { return m_file_actions.size(); }
const FileAction *GetFileActionAtIndex(size_t idx) const;
const FileAction *GetFileActionForFD(int fd) const;
Flags &GetFlags() { return m_flags; }
const Flags &GetFlags() const { return m_flags; }
const FileSpec &GetWorkingDirectory() const;
void SetWorkingDirectory(const FileSpec &working_dir);
const char *GetProcessPluginName() const;
void SetProcessPluginName(llvm::StringRef plugin);
const FileSpec &GetShell() const;
void SetShell(const FileSpec &shell);
uint32_t GetResumeCount() const { return m_resume_count; }
void SetResumeCount(uint32_t c) { m_resume_count = c; }
bool GetLaunchInSeparateProcessGroup() const {
return m_flags.Test(lldb::eLaunchFlagLaunchInSeparateProcessGroup);
}
void SetLaunchInSeparateProcessGroup(bool separate);
bool GetShellExpandArguments() const {
return m_flags.Test(lldb::eLaunchFlagShellExpandArguments);
}
void SetShellExpandArguments(bool expand);
void Clear();
bool ConvertArgumentsForLaunchingInShell(Status &error, bool will_debug,
bool first_arg_is_full_shell_command,
uint32_t num_resumes);
void
SetMonitorProcessCallback(const Host::MonitorChildProcessCallback &callback,
bool monitor_signals);
Host::MonitorChildProcessCallback GetMonitorProcessCallback() const {
return m_monitor_callback;
}
/// A Monitor callback which does not take any action on process events. Use
/// this if you don't need to take any particular action when the process
/// terminates, but you still need to reap it.
static bool NoOpMonitorCallback(lldb::pid_t pid, bool exited, int signal,
int status);
bool GetMonitorSignals() const { return m_monitor_signals; }
// If the LaunchInfo has a monitor callback, then arrange to monitor the
// process. Return true if the LaunchInfo has taken care of monitoring the
// process, and false if the caller might want to monitor the process
// themselves.
bool MonitorProcess() const;
PseudoTerminal &GetPTY() { return *m_pty; }
// Get and set the actual listener that will be used for the process events
lldb::ListenerSP GetListener() const { return m_listener_sp; }
void SetListener(const lldb::ListenerSP &listener_sp) {
m_listener_sp = listener_sp;
}
lldb::ListenerSP GetHijackListener() const { return m_hijack_listener_sp; }
void SetHijackListener(const lldb::ListenerSP &listener_sp) {
m_hijack_listener_sp = listener_sp;
}
void SetLaunchEventData(const char *data) { m_event_data.assign(data); }
const char *GetLaunchEventData() const { return m_event_data.c_str(); }
void SetDetachOnError(bool enable);
bool GetDetachOnError() const {
return m_flags.Test(lldb::eLaunchFlagDetachOnError);
}
protected:
FileSpec m_working_dir;
std::string m_plugin_name;
FileSpec m_shell;
Flags m_flags; // Bitwise OR of bits from lldb::LaunchFlags
std::vector<FileAction> m_file_actions; // File actions for any other files
std::shared_ptr<PseudoTerminal> m_pty;
uint32_t m_resume_count; // How many times do we resume after launching
Host::MonitorChildProcessCallback m_monitor_callback;
void *m_monitor_callback_baton;
bool m_monitor_signals;
std::string m_event_data; // A string passed to the plugin launch, having no
// meaning to the upper levels of lldb.
lldb::ListenerSP m_listener_sp;
lldb::ListenerSP m_hijack_listener_sp;
};
}
#endif // LLDB_HOST_PROCESSLAUNCHINFO_H