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Diffstat (limited to 'include/internal/catch_debugger.cpp')
-rw-r--r-- | include/internal/catch_debugger.cpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/include/internal/catch_debugger.cpp b/include/internal/catch_debugger.cpp deleted file mode 100644 index fc78c36e..00000000 --- a/include/internal/catch_debugger.cpp +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Created by Phil on 27/12/2010. - * Copyright 2010 Two Blue Cubes Ltd. All rights reserved. - * - * Distributed under the Boost Software License, Version 1.0. (See accompanying - * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) - * - */ - -#include "catch_debugger.h" -#include "catch_errno_guard.h" -#include "catch_stream.h" -#include "catch_platform.h" - -#if defined(CATCH_PLATFORM_MAC) || defined(CATCH_PLATFORM_IPHONE) - -# include <assert.h> -# include <stdbool.h> -# include <sys/types.h> -# include <unistd.h> -# include <cstddef> -# include <ostream> - -#ifdef __apple_build_version__ - // These headers will only compile with AppleClang (XCode) - // For other compilers (Clang, GCC, ... ) we need to exclude them -# include <sys/sysctl.h> -#endif - - namespace Catch { - #ifdef __apple_build_version__ - // The following function is taken directly from the following technical note: - // https://developer.apple.com/library/archive/qa/qa1361/_index.html - - // Returns true if the current process is being debugged (either - // running under the debugger or has a debugger attached post facto). - bool isDebuggerActive(){ - int mib[4]; - struct kinfo_proc info; - std::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); - if( sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0) != 0 ) { - Catch::cerr() << "\n** Call to sysctl failed - unable to determine if debugger is active **\n" << std::endl; - return false; - } - - // We're being debugged if the P_TRACED flag is set. - - return ( (info.kp_proc.p_flag & P_TRACED) != 0 ); - } - #else - bool isDebuggerActive() { - // We need to find another way to determine this for non-appleclang compilers on macOS - return false; - } - #endif - } // namespace Catch - -#elif defined(CATCH_PLATFORM_LINUX) - #include <fstream> - #include <string> - - namespace Catch{ - // The standard POSIX way of detecting a debugger is to attempt to - // ptrace() the process, but this needs to be done from a child and not - // this process itself to still allow attaching to this process later - // if wanted, so is rather heavy. Under Linux we have the PID of the - // "debugger" (which doesn't need to be gdb, of course, it could also - // be strace, for example) in /proc/$PID/status, so just get it from - // there instead. - bool isDebuggerActive(){ - // Libstdc++ has a bug, where std::ifstream sets errno to 0 - // This way our users can properly assert over errno values - ErrnoGuard guard; - std::ifstream in("/proc/self/status"); - for( std::string line; std::getline(in, line); ) { - static const int PREFIX_LEN = 11; - if( line.compare(0, PREFIX_LEN, "TracerPid:\t") == 0 ) { - // We're traced if the PID is not 0 and no other PID starts - // with 0 digit, so it's enough to check for just a single - // character. - return line.length() > PREFIX_LEN && line[PREFIX_LEN] != '0'; - } - } - - return false; - } - } // namespace Catch -#elif defined(_MSC_VER) - extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent(); - namespace Catch { - bool isDebuggerActive() { - return IsDebuggerPresent() != 0; - } - } -#elif defined(__MINGW32__) - extern "C" __declspec(dllimport) int __stdcall IsDebuggerPresent(); - namespace Catch { - bool isDebuggerActive() { - return IsDebuggerPresent() != 0; - } - } -#else - namespace Catch { - bool isDebuggerActive() { return false; } - } -#endif // Platform |