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Diffstat (limited to 'winsup/testsuite/winsup.api/cygload.h')
| -rw-r--r-- | winsup/testsuite/winsup.api/cygload.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/winsup/testsuite/winsup.api/cygload.h b/winsup/testsuite/winsup.api/cygload.h deleted file mode 100644 index c7c562093..000000000 --- a/winsup/testsuite/winsup.api/cygload.h +++ /dev/null @@ -1,158 +0,0 @@ -// cygload.h -*- C++ -*- -// -// Copyright 2005, Red Hat, Inc. -// -// Written by Max Kaehn <slothman@electric-cloud.com> -// -// This software is a copyrighted work licensed under the terms of the -// Cygwin license. Please consult the file "CYGWIN_LICENSE" for details. -// -// Note that dynamically linking to cygwin1.dll automatically places your code -// under the GPL unless you purchase a Cygwin Contract with Red Hat, Inc. -// See http://www.redhat.com/software/cygwin/ for more information. - -// This program has large numbers of progress messages so as to provide -// maximum information about crash locations for anyone without access to -// a Microsoft debugger. - - -// This file contains the basic infrastructure for connecting an MSVC -// process to Cygwin. - -#ifndef __CYGLOAD_H__ -#define __CYGLOAD_H__ - -#include <windows.h> // for GetProcAddress() -#include <functional> // for pointer_to_unary_function -#include <stdexcept> // for runtime_error -#include <string> -#include <map> -#include <vector> - -// Convert GetLastError() to a human-readable STL exception. -class windows_error : public std::runtime_error -{ -public: - windows_error (const char *message, const char *detail = NULL) - : runtime_error (format (GetLastError (), message, detail)) { } - windows_error(DWORD error, const char *message, const char *detail = NULL) - : runtime_error (format (error, message, detail)) { } - - static std::string format (DWORD error, const char *message, - const char *detail); -}; - -namespace cygwin -{ - - // Cygwin keeps important thread-local information at the top of the - // stack. Its DllMain-equivalent will do the right thing for any threads - // you spawn, but you need to declare one of these as the very first thing - // in your main() function so horrible things won't happen when cygwin - // overwrites your stack. This will back up the data that will be - // overwritten and restore it when the destructor is called. - class padding { - public: - padding (); - ~padding (); - - // Verifies that padding has been declared. - static void check (); - - private: - std::vector< char > _backup; - char *_stackbase, *_end; - - // gdb reports sizeof(_cygtls) == 3964 at the time of this writing. - // This is at the end of the object so it'll be toward the bottom - // of the stack when it gets declared. - char _padding[32768]; - - static padding *_main; - static DWORD _mainTID; - }; - - // This hooks your application up to cygwin: it loads cygwin1.dll, - // initializes it properly, grabs some important symbols, and - // spawns a thread to let you receive signals from cygwin. - class connector { - public: - connector (const char *dll = "cygwin1.dll"); - ~connector (); - - // A wrapper around GetProcAddress() for fetching symbols from the - // cygwin DLL. Can throw windows_error. - template < class T > void get_symbol (const char *name, T &fn) const; - - // Wrappers for errno() and strerror(). - int err_no () const; - std::string str_error (int) const; - - // Converting between the worlds of Windows and Cygwin. - std::string unix_path (const std::string &windows) const; - std::string win_path (const std::string &unix) const; - - private: - HMODULE _library; - - int *(*_errno) (); - const char *(*_strerror) (int); - void (*_conv_to_full_posix_path) (const char *, char *); - void (*_conv_to_full_win32_path) (const char *, char *); - - public: - // The constructor will automatically hook you up for receiving - // cygwin signals. Just specify a signal and pass in a signal_handler. - typedef std::pointer_to_unary_function<int,void> signal_handler; - signal_handler *set_handler (int signal, signal_handler *); - - private: - // Cygwin signals can only be received in threads that are calling - // interruptible functions or otherwise ready to intercept signals, so - // we spawn a thread that does nothing but call sigwait(). - - // This is the entry point: - static DWORD WINAPI signal_thread (void *); - // It runs this: - void await_signal (); - // And will execute this on receipt of any signal for which it's - // registered: - void handle_signals (int); - - HANDLE _signal_thread; - bool _waiting_for_signals, _signal_thread_done; - CRITICAL_SECTION _thread_mutex; - - typedef std::map< int, signal_handler * > callback_list; - callback_list _signal_handlers; - }; - - template <class T> void connector::get_symbol (const char *name, - T &symbol) const - { - FARPROC retval = NULL; - - retval = GetProcAddress (_library, name); - - if (retval == NULL) - throw windows_error ("GetProcAddress", name); - - symbol = reinterpret_cast < T > (retval); - } - - // cygwin::error converts errno to a human-readable exception. - class error : public std::runtime_error - { - public: - error (connector *c, const char *function, const char *detail = NULL) - : runtime_error (format (c, c->err_no (), function, detail)) { } - error (connector *c, int err_no, const char *function, - const char *detail = NULL) - : runtime_error (format (c, err_no, function, detail)) { } - - static std::string format(connector *c, int err_no, - const char *message, const char *detail); - }; -} - -#endif // __CYGLOAD_H__ |