91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#include <comphelper/debuggerinfo.hxx>
|
|
|
|
#include <cassert>
|
|
#include <cstring>
|
|
#include <ctype.h>
|
|
|
|
#if defined(_WIN32)
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#include <windows.h>
|
|
#elif defined MACOSX
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/sysctl.h>
|
|
#elif defined UNX
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#endif
|
|
|
|
namespace comphelper
|
|
{
|
|
#if defined DBG_UTIL
|
|
bool isDebuggerAttached()
|
|
{
|
|
#if defined(_WIN32)
|
|
return IsDebuggerPresent();
|
|
#elif defined MACOSX
|
|
// https://developer.apple.com/library/archive/qa/qa1361/_index.html
|
|
int junk;
|
|
int mib[4];
|
|
struct kinfo_proc info;
|
|
size_t size;
|
|
|
|
// Initialize the flags so that, if sysctl fails for some bizarre
|
|
// reason, we get a predictable result.
|
|
|
|
info.kp_proc.p_flag = 0;
|
|
|
|
// Initialize mib, which tells sysctl the info we want, in this case
|
|
// we're looking for information about a specific process ID.
|
|
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_PROC;
|
|
mib[2] = KERN_PROC_PID;
|
|
mib[3] = getpid();
|
|
|
|
// Call sysctl.
|
|
|
|
size = sizeof(info);
|
|
junk = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0);
|
|
assert(junk == 0);
|
|
|
|
// We're being debugged if the P_TRACED flag is set.
|
|
|
|
return ((info.kp_proc.p_flag & P_TRACED) != 0);
|
|
#elif defined LINUX
|
|
char buf[4096];
|
|
int fd = open("/proc/self/status", O_RDONLY);
|
|
if (fd < 0)
|
|
return false;
|
|
int size = read(fd, buf, sizeof(buf) - 1);
|
|
close(fd);
|
|
if (size < 0)
|
|
return false;
|
|
assert(size < int(sizeof(buf)) - 1);
|
|
buf[sizeof(buf) - 1] = '\0';
|
|
// "TracerPid: <pid>" for pid != 0 means something is attached
|
|
const char* pos = strstr(buf, "TracerPid:");
|
|
if (pos == nullptr)
|
|
return false;
|
|
pos += strlen("TracerPid:");
|
|
while (*pos != '\n' && isspace(*pos))
|
|
++pos;
|
|
return *pos != '\n' && *pos != '0';
|
|
#else
|
|
return false; // feel free to add your platform
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
} // namespace comphelper
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|