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// (C) Copyright Gennadiy Rozental 2001.
// Use, modification, and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision$
//
// Description : debug interfaces implementation
// ***************************************************************************
#ifndef BOOST_TEST_DEBUG_API_IPP_112006GER
#define BOOST_TEST_DEBUG_API_IPP_112006GER
// Boost.Test
#include <boost/test/detail/config.hpp>
#include <boost/test/detail/workaround.hpp>
#include <boost/test/detail/global_typedef.hpp>
#include <boost/test/debug.hpp>
#include <boost/test/debug_config.hpp>
// Implementation on Windows
#if defined(_WIN32) && !defined(UNDER_CE) && !defined(BOOST_DISABLE_WIN32) // ******* WIN32
# define BOOST_WIN32_BASED_DEBUG
// SYSTEM API
# include <windows.h>
# include <winreg.h>
# include <cstdio>
# include <cstring>
# if !defined(NDEBUG) && defined(_MSC_VER)
# define BOOST_MS_CRT_BASED_DEBUG
# include <crtdbg.h>
# endif
# ifdef BOOST_NO_STDC_NAMESPACE
namespace std { using ::memset; using ::sprintf; }
# endif
#elif defined(unix) || defined(__unix) // ********************* UNIX
# define BOOST_UNIX_BASED_DEBUG
// Boost.Test
#include <boost/test/utils/class_properties.hpp>
#include <boost/test/utils/algorithm.hpp>
// STL
#include <cstring> // std::memcpy
#include <map>
#include <cstdio>
#include <stdarg.h> // !! ?? cstdarg
// SYSTEM API
# include <unistd.h>
# include <signal.h>
# include <fcntl.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <sys/wait.h>
# include <sys/time.h>
# include <stdio.h>
# include <stdlib.h>
# if defined(sun) || defined(__sun)
# define BOOST_SUN_BASED_DEBUG
# ifndef BOOST_TEST_DBG_LIST
# define BOOST_TEST_DBG_LIST dbx;gdb
# endif
# define BOOST_TEST_CNL_DBG dbx
# define BOOST_TEST_GUI_DBG dbx-ddd
# include <procfs.h>
# elif defined(linux) || defined(__linux)
# define BOOST_LINUX_BASED_DEBUG
# include <sys/ptrace.h>
# ifndef BOOST_TEST_STAT_LINE_MAX
# define BOOST_TEST_STAT_LINE_MAX 500
# endif
# ifndef BOOST_TEST_DBG_LIST
# define BOOST_TEST_DBG_LIST gdb
# endif
# define BOOST_TEST_CNL_DBG gdb
# define BOOST_TEST_GUI_DBG gdb-xterm
# endif
#endif
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace debug {
using unit_test::const_string;
// ************************************************************************** //
// ************** debug::info_t ************** //
// ************************************************************************** //
namespace {
#if defined(BOOST_WIN32_BASED_DEBUG) // *********************** WIN32
template<typename T>
inline void
dyn_symbol( T& res, char const* module_name, char const* symbol_name )
{
HMODULE m = ::GetModuleHandleA( module_name );
if( !m )
m = ::LoadLibraryA( module_name );
res = reinterpret_cast<T>( ::GetProcAddress( m, symbol_name ) );
}
//____________________________________________________________________________//
static struct info_t {
typedef BOOL (WINAPI* IsDebuggerPresentT)();
typedef LONG (WINAPI* RegQueryValueExT)( HKEY, char const* /*LPTSTR*/, LPDWORD, LPDWORD, LPBYTE, LPDWORD );
typedef LONG (WINAPI* RegOpenKeyT)( HKEY, char const* /*LPCTSTR*/, PHKEY );
typedef LONG (WINAPI* RegCloseKeyT)( HKEY );
info_t();
IsDebuggerPresentT m_is_debugger_present;
RegOpenKeyT m_reg_open_key;
RegQueryValueExT m_reg_query_value;
RegCloseKeyT m_reg_close_key;
} s_info;
//____________________________________________________________________________//
info_t::info_t()
{
dyn_symbol( m_is_debugger_present, "kernel32", "IsDebuggerPresent" );
dyn_symbol( m_reg_open_key, "advapi32", "RegOpenKeyA" );
dyn_symbol( m_reg_query_value, "advapi32", "RegQueryValueExA" );
dyn_symbol( m_reg_close_key, "advapi32", "RegCloseKey" );
}
//____________________________________________________________________________//
#elif defined(BOOST_UNIX_BASED_DEBUG)
// ************************************************************************** //
// ************** fd_holder ************** //
// ************************************************************************** //
struct fd_holder {
explicit fd_holder( int fd ) : m_fd( fd ) {}
~fd_holder()
{
if( m_fd != -1 )
::close( m_fd );
}
operator int() { return m_fd; }
private:
// Data members
int m_fd;
};
// ************************************************************************** //
// ************** process_info ************** //
// ************************************************************************** //
struct process_info {
// Constructor
explicit process_info( int pid );
// access methods
int parent_pid() const { return m_parent_pid; }
const_string binary_name() const { return m_binary_name; }
const_string binary_path() const { return m_binary_path; }
private:
// Data members
int m_parent_pid;
const_string m_binary_name;
const_string m_binary_path;
#if defined(BOOST_SUN_BASED_DEBUG)
struct psinfo m_psi;
char m_binary_path_buff[500+1]; // !! ??
#elif defined(BOOST_LINUX_BASED_DEBUG)
char m_stat_line[BOOST_TEST_STAT_LINE_MAX+1];
char m_binary_path_buff[500+1]; // !! ??
#endif
};
//____________________________________________________________________________//
process_info::process_info( int pid )
: m_parent_pid( 0 )
{
#if defined(BOOST_SUN_BASED_DEBUG)
char fname_buff[30];
::snprintf( fname_buff, sizeof(fname_buff), "/proc/%d/psinfo", pid );
fd_holder psinfo_fd( ::open( fname_buff, O_RDONLY ) );
if( psinfo_fd == -1 )
return;
if( ::read( psinfo_fd, &m_psi, sizeof(m_psi) ) == -1 )
return;
m_parent_pid = m_psi.pr_ppid;
m_binary_name.assign( m_psi.pr_fname );
//-------------------------- //
::snprintf( fname_buff, sizeof(fname_buff), "/proc/%d/as", pid );
fd_holder as_fd( ::open( fname_buff, O_RDONLY ) );
uintptr_t binary_name_pos;
// !! ?? could we avoid reading whole m_binary_path_buff?
if( as_fd == -1 ||
::lseek( as_fd, m_psi.pr_argv, SEEK_SET ) == -1 ||
::read ( as_fd, &binary_name_pos, sizeof(binary_name_pos) ) == -1 ||
::lseek( as_fd, binary_name_pos, SEEK_SET ) == -1 ||
::read ( as_fd, m_binary_path_buff, sizeof(m_binary_path_buff) ) == -1 )
return;
m_binary_path.assign( m_binary_path_buff );
#elif defined(BOOST_LINUX_BASED_DEBUG)
char fname_buff[30];
::snprintf( fname_buff, sizeof(fname_buff), "/proc/%d/stat", pid );
fd_holder psinfo_fd( ::open( fname_buff, O_RDONLY ) );
if( psinfo_fd == -1 )
return;
ssize_t num_read = ::read( psinfo_fd, m_stat_line, sizeof(m_stat_line)-1 );
if( num_read == -1 )
return;
m_stat_line[num_read] = 0;
char const* name_beg = m_stat_line;
while( *name_beg && *name_beg != '(' )
++name_beg;
char const* name_end = name_beg+1;
while( *name_end && *name_end != ')' )
++name_end;
std::sscanf( name_end+1, "%*s%d", &m_parent_pid );
m_binary_name.assign( name_beg+1, name_end );
::snprintf( fname_buff, sizeof(fname_buff), "/proc/%d/exe", pid );
num_read = ::readlink( fname_buff, m_binary_path_buff, sizeof(m_binary_path_buff)-1 );
if( num_read == -1 )
return;
m_binary_path_buff[num_read] = 0;
m_binary_path.assign( m_binary_path_buff, num_read );
#endif
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** prepare_window_title ************** //
// ************************************************************************** //
static char*
prepare_window_title( dbg_startup_info const& dsi )
{
typedef unit_test::const_string str_t;
static char title_str[50];
str_t path_sep( "\\/" );
str_t::iterator it = unit_test::utils::find_last_of( dsi.binary_path.begin(), dsi.binary_path.end(),
path_sep.begin(), path_sep.end() );
if( it == dsi.binary_path.end() )
it = dsi.binary_path.begin();
else
++it;
::snprintf( title_str, sizeof(title_str), "%*s %ld", (int)(dsi.binary_path.end()-it), it, dsi.pid );
return title_str;
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** save_execlp ************** //
// ************************************************************************** //
typedef unit_test::basic_cstring<char> mbuffer;
inline char*
copy_arg( mbuffer& dest, const_string arg )
{
if( dest.size() < arg.size()+1 )
return 0;
char* res = dest.begin();
std::memcpy( res, arg.begin(), arg.size()+1 );
dest.trim_left( arg.size()+1 );
return res;
}
//____________________________________________________________________________//
bool
safe_execlp( char const* file, ... )
{
static char* argv_buff[200];
va_list args;
char const* arg;
// first calculate actual number of arguments
int num_args = 2; // file name and 0 at least
va_start( args, file );
while( !!(arg = va_arg( args, char const* )) )
num_args++;
va_end( args );
// reserve space for the argument pointers array
char** argv_it = argv_buff;
mbuffer work_buff( reinterpret_cast<char*>(argv_buff), sizeof(argv_buff) );
work_buff.trim_left( num_args * sizeof(char*) );
// copy all the argument values into local storage
if( !(*argv_it++ = copy_arg( work_buff, file )) )
return false;
printf( "!! %s\n", file );
va_start( args, file );
while( !!(arg = va_arg( args, char const* )) ) {
printf( "!! %s\n", arg );
if( !(*argv_it++ = copy_arg( work_buff, arg )) ) {
va_end( args );
return false;
}
}
va_end( args );
*argv_it = 0;
return ::execvp( file, argv_buff ) != -1;
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** start_debugger_in_emacs ************** //
// ************************************************************************** //
static void
start_debugger_in_emacs( dbg_startup_info const& dsi, char const* emacs_name, char const* dbg_command )
{
char const* title = prepare_window_title( dsi );
if( !title )
return;
dsi.display.is_empty()
? safe_execlp( emacs_name, "-title", title, "--eval", dbg_command, 0 )
: safe_execlp( emacs_name, "-title", title, "-display", dsi.display.begin(), "--eval", dbg_command, 0 );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** gdb starters ************** //
// ************************************************************************** //
static char const*
prepare_gdb_cmnd_file( dbg_startup_info const& dsi )
{
// prepare pid value
char pid_buff[16];
::snprintf( pid_buff, sizeof(pid_buff), "%ld", dsi.pid );
unit_test::const_string pid_str( pid_buff );
static char cmd_file_name[] = "/tmp/btl_gdb_cmd_XXXXXX"; // !! ??
// prepare commands
fd_holder cmd_fd( ::mkstemp( cmd_file_name ) );
if( cmd_fd == -1 )
return 0;
#define WRITE_STR( str ) if( ::write( cmd_fd, str.begin(), str.size() ) == -1 ) return 0;
#define WRITE_CSTR( str ) if( ::write( cmd_fd, str, sizeof( str )-1 ) == -1 ) return 0;
WRITE_CSTR( "file " );
WRITE_STR( dsi.binary_path );
WRITE_CSTR( "\nattach " );
WRITE_STR( pid_str );
WRITE_CSTR( "\nshell unlink " );
WRITE_STR( dsi.init_done_lock );
WRITE_CSTR( "\ncont" );
if( dsi.break_or_continue )
WRITE_CSTR( "\nup 4" );
WRITE_CSTR( "\necho \\n" ); // !! ??
WRITE_CSTR( "\nlist -" );
WRITE_CSTR( "\nlist" );
WRITE_CSTR( "\nshell unlink " );
WRITE_CSTR( cmd_file_name );
return cmd_file_name;
}
//____________________________________________________________________________//
static void
start_gdb_in_console( dbg_startup_info const& dsi )
{
char const* cmnd_file_name = prepare_gdb_cmnd_file( dsi );
if( !cmnd_file_name )
return;
safe_execlp( "gdb", "-q", "-x", cmnd_file_name, 0 );
}
//____________________________________________________________________________//
static void
start_gdb_in_xterm( dbg_startup_info const& dsi )
{
char const* title = prepare_window_title( dsi );
char const* cmnd_file_name = prepare_gdb_cmnd_file( dsi );
if( !title || !cmnd_file_name )
return;
safe_execlp( "xterm", "-T", title, "-display", dsi.display.begin(),
"-bg", "black", "-fg", "white", "-geometry", "88x30+10+10", "-fn", "9x15", "-e",
"gdb", "-q", "-x", cmnd_file_name, 0 );
}
//____________________________________________________________________________//
static void
start_gdb_in_emacs( dbg_startup_info const& dsi )
{
char const* cmnd_file_name = prepare_gdb_cmnd_file( dsi );
if( !cmnd_file_name )
return;
char dbg_cmd_buff[500]; // !! ??
::snprintf( dbg_cmd_buff, sizeof(dbg_cmd_buff), "(progn (gdb \"gdb -q -x %s\"))", cmnd_file_name );
start_debugger_in_emacs( dsi, "emacs", dbg_cmd_buff );
}
//____________________________________________________________________________//
static void
start_gdb_in_xemacs( dbg_startup_info const& )
{
// !! ??
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** dbx starters ************** //
// ************************************************************************** //
static char const*
prepare_dbx_cmd_line( dbg_startup_info const& dsi, bool list_source = true )
{
static char cmd_line_buff[500]; // !! ??
::snprintf( cmd_line_buff, sizeof(cmd_line_buff), "unlink %s;cont;%s%s",
dsi.init_done_lock.begin(),
dsi.break_or_continue ? "up 2;": "",
list_source ? "echo \" \";list -w3;" : "" );
return cmd_line_buff;
}
//____________________________________________________________________________//
static void
start_dbx_in_console( dbg_startup_info const& dsi )
{
char pid_buff[16];
::snprintf( pid_buff, sizeof(pid_buff), "%ld", dsi.pid );
safe_execlp( "dbx", "-q", "-c", prepare_dbx_cmd_line( dsi ), dsi.binary_path.begin(), pid_buff, 0 );
}
//____________________________________________________________________________//
static void
start_dbx_in_xterm( dbg_startup_info const& dsi )
{
char const* title = prepare_window_title( dsi );
if( !title )
return;
char pid_buff[16]; // !! ??
::snprintf( pid_buff, sizeof(pid_buff), "%ld", dsi.pid );
safe_execlp( "xterm", "-T", title, "-display", dsi.display.begin(),
"-bg", "black", "-fg", "white", "-geometry", "88x30+10+10", "-fn", "9x15", "-e",
"dbx", "-q", "-c", prepare_dbx_cmd_line( dsi ), dsi.binary_path.begin(), pid_buff, 0 );
}
//____________________________________________________________________________//
static void
start_dbx_in_emacs( dbg_startup_info const& /*dsi*/ )
{
// char dbg_cmd_buff[500]; // !! ??
//
// ::snprintf( dbg_cmd_buff, sizeof(dbg_cmd_buff), "(progn (dbx \"dbx -q -c cont %s %ld\"))", dsi.binary_path.begin(), dsi.pid );
// start_debugger_in_emacs( dsi, "emacs", dbg_cmd_buff );
}
//____________________________________________________________________________//
static void
start_dbx_in_xemacs( dbg_startup_info const& )
{
// !! ??
}
//____________________________________________________________________________//
static void
start_dbx_in_ddd( dbg_startup_info const& dsi )
{
char const* title = prepare_window_title( dsi );
if( !title )
return;
char pid_buff[16]; // !! ??
::snprintf( pid_buff, sizeof(pid_buff), "%ld", dsi.pid );
safe_execlp( "ddd", "-display", dsi.display.begin(),
"--dbx", "-q", "-c", prepare_dbx_cmd_line( dsi, false ), dsi.binary_path.begin(), pid_buff, 0 );
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** debug::info_t ************** //
// ************************************************************************** //
static struct info_t {
// Constructor
info_t();
// Public properties
unit_test::readwrite_property<std::string> p_dbg;
// Data members
std::map<std::string,dbg_starter> m_dbg_starter_reg;
} s_info;
//____________________________________________________________________________//
info_t::info_t()
{
p_dbg.value = ::getenv( "DISPLAY" )
? std::string( BOOST_STRINGIZE( BOOST_TEST_GUI_DBG ) )
: std::string( BOOST_STRINGIZE( BOOST_TEST_CNL_DBG ) );
m_dbg_starter_reg[std::string("gdb")] = &start_gdb_in_console;
m_dbg_starter_reg[std::string("gdb-emacs")] = &start_gdb_in_emacs;
m_dbg_starter_reg[std::string("gdb-xterm")] = &start_gdb_in_xterm;
m_dbg_starter_reg[std::string("gdb-xemacs")] = &start_gdb_in_xemacs;
m_dbg_starter_reg[std::string("dbx")] = &start_dbx_in_console;
m_dbg_starter_reg[std::string("dbx-emacs")] = &start_dbx_in_emacs;
m_dbg_starter_reg[std::string("dbx-xterm")] = &start_dbx_in_xterm;
m_dbg_starter_reg[std::string("dbx-xemacs")] = &start_dbx_in_xemacs;
m_dbg_starter_reg[std::string("dbx-ddd")] = &start_dbx_in_ddd;
}
//____________________________________________________________________________//
#endif
} // local namespace
// ************************************************************************** //
// ************** check if program is running under debugger ************** //
// ************************************************************************** //
bool
under_debugger()
{
#if defined(BOOST_WIN32_BASED_DEBUG) // *********************** WIN32
return !!s_info.m_is_debugger_present && s_info.m_is_debugger_present();
#elif defined(BOOST_UNIX_BASED_DEBUG) // ********************** UNIX
// !! ?? could/should we cache the result somehow?
const_string dbg_list = BOOST_TEST_STRINGIZE( BOOST_TEST_DBG_LIST );
pid_t pid = ::getpid();
while( pid != 0 ) {
process_info pi( pid );
// !! ?? should we use tokenizer here instead?
if( dbg_list.find( pi.binary_name() ) != const_string::npos )
return true;
pid = (pi.parent_pid() == pid ? 0 : pi.parent_pid());
}
return false;
#else // ****************************************************** default
return false;
#endif
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** cause program to break execution ************** //
// ************** in debugger at call point ************** //
// ************************************************************************** //
void
debugger_break()
{
// !! ?? auto-start debugger?
#if defined(BOOST_WIN32_BASED_DEBUG) // *********************** WIN32
#if defined(__GNUC__) && !defined(__MINGW32__) || \
defined(__INTEL_COMPILER)
# define BOOST_DEBUG_BREAK __debugbreak
#else
# define BOOST_DEBUG_BREAK DebugBreak
#endif
#ifndef __MINGW32__
if( !under_debugger() ) {
__try {
__try {
BOOST_DEBUG_BREAK();
}
__except( UnhandledExceptionFilter(GetExceptionInformation()) )
{
// User opted to ignore the breakpoint
return;
}
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
// If we got here, the user has pushed Debug. Debugger is already attached to our process and we
// continue to let the another BOOST_DEBUG_BREAK to be called.
}
}
#endif
BOOST_DEBUG_BREAK();
#elif defined(BOOST_UNIX_BASED_DEBUG) // ********************** UNIX
::kill( ::getpid(), SIGTRAP );
#else // ****************************************************** default
#endif
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** console debugger setup ************** //
// ************************************************************************** //
#if defined(BOOST_UNIX_BASED_DEBUG) // ************************ UNIX
std::string
set_debugger( unit_test::const_string dbg_id, dbg_starter s )
{
std::string old = s_info.p_dbg;
assign_op( s_info.p_dbg.value, dbg_id, 0 );
if( !!s )
s_info.m_dbg_starter_reg[s_info.p_dbg.get()] = s;
return old;
}
#else // ***************************************************** default
std::string
set_debugger( unit_test::const_string, dbg_starter )
{
return std::string();
}
#endif
//____________________________________________________________________________//
// ************************************************************************** //
// ************** attach debugger to the current process ************** //
// ************************************************************************** //
#if defined(BOOST_WIN32_BASED_DEBUG)
struct safe_handle_helper
{
HANDLE& handle;
safe_handle_helper(HANDLE &handle_) : handle(handle_) {}
void close_handle()
{
if( handle != INVALID_HANDLE_VALUE )
{
::CloseHandle( handle );
handle = INVALID_HANDLE_VALUE;
}
}
~safe_handle_helper()
{
close_handle();
}
};
#endif
bool
attach_debugger( bool break_or_continue )
{
if( under_debugger() )
return false;
#if defined(BOOST_WIN32_BASED_DEBUG) // *********************** WIN32
const int MAX_CMD_LINE = 200;
// *************************************************** //
// Debugger "ready" event
SECURITY_ATTRIBUTES attr;
attr.nLength = sizeof(attr);
attr.lpSecurityDescriptor = NULL;
attr.bInheritHandle = true;
// manual resettable, initially non signaled, unnamed event,
// that will signal me that debugger initialization is done
HANDLE dbg_init_done_ev = ::CreateEvent(
&attr, // pointer to security attributes
true, // flag for manual-reset event
false, // flag for initial state
NULL // pointer to event-object name
);
if( !dbg_init_done_ev )
return false;
safe_handle_helper safe_handle_obj( dbg_init_done_ev );
// *************************************************** //
// Debugger command line format
HKEY reg_key;
if( !s_info.m_reg_open_key || (*s_info.m_reg_open_key)(
HKEY_LOCAL_MACHINE, // handle of open key
"Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug", // name of subkey to open
&reg_key ) != ERROR_SUCCESS ) // address of handle of open key
return false;
char format[MAX_CMD_LINE];
DWORD format_size = MAX_CMD_LINE;
DWORD type = REG_SZ;
bool b_read_key = s_info.m_reg_query_value &&
((*s_info.m_reg_query_value)(
reg_key, // handle of open key
"Debugger", // name of subkey to query
0, // reserved
&type, // value type
(LPBYTE)format, // buffer for returned string
&format_size ) == ERROR_SUCCESS ); // in: buffer size; out: actual size of returned string
if( !s_info.m_reg_close_key || (*s_info.m_reg_close_key)( reg_key ) != ERROR_SUCCESS )
return false;
if( !b_read_key )
return false;
// *************************************************** //
// Debugger command line
char cmd_line[MAX_CMD_LINE];
std::sprintf( cmd_line, format, ::GetCurrentProcessId(), dbg_init_done_ev );
// *************************************************** //
// Debugger window parameters
STARTUPINFOA startup_info;
std::memset( &startup_info, 0, sizeof(startup_info) );
startup_info.cb = sizeof(startup_info);
startup_info.dwFlags = STARTF_USESHOWWINDOW;
startup_info.wShowWindow = SW_SHOWNORMAL;
// debugger process s_info
PROCESS_INFORMATION debugger_info;
bool created = !!::CreateProcessA(
NULL, // pointer to name of executable module; NULL - use the one in command line
cmd_line, // pointer to command line string
NULL, // pointer to process security attributes; NULL - debugger's handle can't be inherited
NULL, // pointer to thread security attributes; NULL - debugger's handle can't be inherited
true, // debugger inherit opened handles
0, // priority flags; 0 - normal priority
NULL, // pointer to new environment block; NULL - use this process environment
NULL, // pointer to current directory name; NULL - use this process correct directory
&startup_info, // pointer to STARTUPINFO that specifies main window appearance
&debugger_info // pointer to PROCESS_INFORMATION that will contain the new process identification
);
bool debugger_run_ok = false;
if( created )
{
DWORD ret_code = ::WaitForSingleObject( dbg_init_done_ev, INFINITE );
debugger_run_ok = ( ret_code == WAIT_OBJECT_0 );
}
safe_handle_obj.close_handle();
if( !created || !debugger_run_ok )
return false;
if( break_or_continue )
debugger_break();
return true;
#elif defined(BOOST_UNIX_BASED_DEBUG) // ********************** UNIX
char init_done_lock_fn[] = "/tmp/btl_dbg_init_done_XXXXXX";
fd_holder init_done_lock_fd( ::mkstemp( init_done_lock_fn ) );
if( init_done_lock_fd == -1 )
return false;
pid_t child_pid = fork();
if( child_pid == -1 )
return false;
if( child_pid != 0 ) { // parent process - here we will start the debugger
dbg_startup_info dsi;
process_info pi( child_pid );
if( pi.binary_path().is_empty() )
::exit( -1 );
dsi.pid = child_pid;
dsi.break_or_continue = break_or_continue;
dsi.binary_path = pi.binary_path();
dsi.display = ::getenv( "DISPLAY" );
dsi.init_done_lock = init_done_lock_fn;
dbg_starter starter = s_info.m_dbg_starter_reg[s_info.p_dbg];
if( !!starter )
starter( dsi );
::perror( "Boost.Test execution monitor failed to start a debugger:" );
::exit( -1 );
}
// child process - here we will continue our test module execution ; // !! ?? should it be vice versa
while( ::access( init_done_lock_fn, F_OK ) == 0 ) {
struct timeval to = { 0, 100 };
::select( 0, 0, 0, 0, &to );
}
// char dummy;
// while( ::read( init_done_lock_fd, &dummy, sizeof(char) ) == 0 );
if( break_or_continue )
debugger_break();
return true;
#else // ****************************************************** default
return false;
#endif
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** switch on/off detect memory leaks feature ************** //
// ************************************************************************** //
void
detect_memory_leaks( bool on_off, unit_test::const_string report_file )
{
unit_test::ut_detail::ignore_unused_variable_warning( on_off );
#ifdef BOOST_MS_CRT_BASED_DEBUG
int flags = _CrtSetDbgFlag( _CRTDBG_REPORT_FLAG );
if( !on_off )
flags &= ~_CRTDBG_LEAK_CHECK_DF;
else {
flags |= _CRTDBG_LEAK_CHECK_DF;
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
if( report_file.is_empty() )
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
else {
HANDLE hreport_f = ::CreateFileA( report_file.begin(),
GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
_CrtSetReportFile(_CRT_WARN, hreport_f );
}
}
_CrtSetDbgFlag ( flags );
#else
unit_test::ut_detail::ignore_unused_variable_warning( report_file );
#endif // BOOST_MS_CRT_BASED_DEBUG
}
//____________________________________________________________________________//
// ************************************************************************** //
// ************** cause program to break execution in ************** //
// ************** debugger at specific allocation point ************** //
// ************************************************************************** //
void
break_memory_alloc( long mem_alloc_order_num )
{
unit_test::ut_detail::ignore_unused_variable_warning( mem_alloc_order_num );
#ifdef BOOST_MS_CRT_BASED_DEBUG
// only set the value if one was supplied (do not use default used by UTF just as a indicator to enable leak detection)
if( mem_alloc_order_num > 1 )
_CrtSetBreakAlloc( mem_alloc_order_num );
#endif // BOOST_MS_CRT_BASED_DEBUG
}
//____________________________________________________________________________//
} // namespace debug
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_DEBUG_API_IPP_112006GER
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