/usr/include/wx-3.0/wx/unix/execute.h is in wx3.0-headers 3.0.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Name: wx/unix/execute.h
// Purpose: private details of wxExecute() implementation
// Author: Vadim Zeitlin
// Copyright: (c) 1998 Robert Roebling, Julian Smart, Vadim Zeitlin
// (c) 2013 Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_UNIX_EXECUTE_H
#define _WX_UNIX_EXECUTE_H
#include "wx/app.h"
#include "wx/hashmap.h"
#include "wx/process.h"
#if wxUSE_STREAMS
#include "wx/unix/pipe.h"
#include "wx/private/streamtempinput.h"
#endif
class wxEventLoopBase;
// Information associated with a running child process.
class wxExecuteData
{
public:
wxExecuteData()
{
flags =
pid = 0;
exitcode = -1;
process = NULL;
syncEventLoop = NULL;
#if wxUSE_STREAMS
fdOut =
fdErr = wxPipe::INVALID_FD;
#endif // wxUSE_STREAMS
}
// This must be called in the parent process as soon as fork() returns to
// update us with the effective child PID. It also ensures that we handle
// SIGCHLD to be able to detect when this PID exits, so wxTheApp must be
// available.
void OnStart(int pid);
// Called when the child process exits.
void OnExit(int exitcode);
// Return true if we should (or already did) redirect the child IO.
bool IsRedirected() const { return process && process->IsRedirected(); }
// wxExecute() flags
int flags;
// the pid of the child process
int pid;
// The exit code of the process, set once the child terminates.
int exitcode;
// the associated process object or NULL
wxProcess *process;
// Local event loop used to wait for the child process termination in
// synchronous execution case. We can't create it ourselves as its exact
// type depends on the application kind (console/GUI), so we rely on
// wxAppTraits setting up this pointer to point to the appropriate object.
wxEventLoopBase *syncEventLoop;
#if wxUSE_STREAMS
// the input buffer bufOut is connected to stdout, this is why it is
// called bufOut and not bufIn
wxStreamTempInputBuffer bufOut,
bufErr;
// the corresponding FDs, -1 if not redirected
int fdOut,
fdErr;
#endif // wxUSE_STREAMS
private:
// SIGCHLD signal handler that checks whether any of the currently running
// children have exited.
static void OnSomeChildExited(int sig);
// All currently running child processes indexed by their PID.
//
// Notice that the container doesn't own its elements.
WX_DECLARE_HASH_MAP(int, wxExecuteData*, wxIntegerHash, wxIntegerEqual,
ChildProcessesData);
static ChildProcessesData ms_childProcesses;
wxDECLARE_NO_COPY_CLASS(wxExecuteData);
};
#endif // _WX_UNIX_EXECUTE_H
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