ec98d19a08
(wininfo::itv): Ditto. (wininfo::start_time): Ditto. (wininfo::window_started): Ditto. (wininfo::getitimer): Ditto. (wininfo::setitimer): Ditto. (wininfo::wininfo): Ditto. (wininfo::lock): New method. (wininfo::release): Ditto. * window.cc: Use new lock/acquire wininfo methods throughout. (wininfo::wininfo): Delete (wininfo::getitimer): Ditto. (wininfo::setitimer): Ditto. (getitimer): Ditto. (setitimer): Ditto. (ualarm): Ditto. (alarm): Ditto. (wininfo::lock): Define new function. (wininfo::release): Ditto. (wininfo::process): Delete WM_TIMER handling. * timer.cc (struct timetracker): Delete it, flags. Add it_interval, interval_us, sleepto_us, running, init_muto(), syncthread, and gettime(). (ttstart): Make NO_COPY. (lock_timer_tracker): New class. (timer_tracker::timer_tracker): Distinguish ttstart case. (timer_tracker::~timer_tracker): New destructor. Clean out events, and reset magic. (timer_tracker::init_muto): New method. (to_us): Round up as per POSIX. (timer_thread): Reorganize to match timer_tracker::settime and timer_tracker::gettime. Call sig_send without wait. Call auto_release. (timer_tracker::settime): Reorganize logic to avoid race. Call gettime to recover old value. (timer_tracker::gettime): New method. (timer_create): Properly set errno on invalid timerid. Use new lock_timer_tracker method. (timer_delete): Ditto. Simplify code slightly. (timer_gettime): New function. (fixup_timers_after_fork): Reinit ttstart. (getitimer): New implementation. (setitimer): Ditto. (ualarm): Ditto. (alarm): Ditto. * cygwin.din: Export timer_gettime. * winsup.h: Remove has has_visible_window_station declaration. * Makefile.in (DLL_OFILES): Add lsearch.o. * cygthread.h (cygthread::notify_detached): New element. (cygthread::cygthread): Take optional fourth argument signifying event to signal on thread completion. * cygthread.cc (cygthread::stub): Signal notify_detached event, if it exists. (cygthread::cygthread): Initialize notify_detached from fourth argument. (cygthread::detach): Wait for notify_detached field is present. * lsearch.cc: New file. * search.h: Ditto. * include/cygwin/version.h: Bump API minor number to 126. * cygwin.din: Export lsearch, lfind.
141 lines
2.9 KiB
C++
141 lines
2.9 KiB
C++
/* window.cc: hidden windows for signals/itimer support
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Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005 Red Hat, Inc.
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Written by Sergey Okhapkin <sos@prospect.com.ru>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include "winsup.h"
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#include <sys/time.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <limits.h>
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#include <wingdi.h>
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#include <winuser.h>
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#define USE_SYS_TYPES_FD_SET
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#include <winsock2.h>
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#include <unistd.h>
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#include "cygerrno.h"
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#include "perprocess.h"
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#include "security.h"
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#include "thread.h"
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#include "cygtls.h"
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#include "sync.h"
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#include "wininfo.h"
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wininfo NO_COPY winmsg;
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muto NO_COPY *wininfo::_lock;
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int __stdcall
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wininfo::process (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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#ifndef NOSTRACE
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strace.wm (uMsg, wParam, lParam);
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#endif
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switch (uMsg)
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{
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case WM_PAINT:
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return 0;
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case WM_DESTROY:
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PostQuitMessage (0);
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return 0;
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case WM_ASYNCIO:
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if (WSAGETSELECTEVENT (lParam) == FD_OOB)
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raise (SIGURG);
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else
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raise (SIGIO);
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return 0;
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default:
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return DefWindowProc (hwnd, uMsg, wParam, lParam);
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}
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}
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static LRESULT CALLBACK
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process_window_events (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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return winmsg.process (hwnd, uMsg, wParam, lParam);
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}
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/* Handle windows events. Inherits ownership of the wininfo lock */
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DWORD WINAPI
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wininfo::winthread ()
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{
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MSG msg;
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WNDCLASS wc;
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static NO_COPY char classname[] = "CygwinWndClass";
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_lock->grab ();
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/* Register the window class for the main window. */
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wc.style = 0;
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wc.lpfnWndProc = (WNDPROC) process_window_events;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = user_data->hmodule;
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wc.hIcon = NULL;
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wc.hCursor = NULL;
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wc.hbrBackground = NULL;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = classname;
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if (!RegisterClass (&wc))
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api_fatal ("cannot register window class, %E");
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/* Create hidden window. */
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hwnd = CreateWindow (classname, classname, WS_POPUP, CW_USEDEFAULT,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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(HWND) NULL, (HMENU) NULL, user_data->hmodule,
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(LPVOID) NULL);
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if (!hwnd)
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api_fatal ("couldn't create window, %E");
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release ();
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while (GetMessage (&msg, hwnd, 0, 0) == TRUE)
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DispatchMessage (&msg);
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return 0;
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}
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static DWORD WINAPI
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winthread (VOID *arg)
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{
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return ((wininfo *) arg)->winthread ();
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}
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wininfo::operator
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HWND ()
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{
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if (hwnd)
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return hwnd;
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lock ();
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if (!hwnd)
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{
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_lock->upforgrabs ();
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cygthread *h = new cygthread (::winthread, this, "win");
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h->SetThreadPriority (THREAD_PRIORITY_HIGHEST);
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h->zap_h ();
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lock ();
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}
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release ();
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return hwnd;
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}
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void
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wininfo::lock ()
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{
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new_muto (_lock)->acquire ();
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}
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void
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wininfo::release ()
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{
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_lock->release ();
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}
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