* Author:
* Gonzalo Paniagua Javier (gonzalo@ximian.com)
*
- * Copyright (C) 2005 Novell, Inc. (http://www.novell.com)
+ * Copyright (C) 2005-2008 Novell, Inc. (http://www.novell.com)
*/
#include <config.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
+#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
+#endif
#include <sys/types.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
+#include <mono/metadata/appdomain.h>
+#include <mono/metadata/object-internals.h>
+#include <mono/metadata/class-internals.h>
+#include <mono/metadata/domain-internals.h>
+#include <mono/metadata/metadata.h>
+#include <mono/metadata/threadpool.h>
/* On solaris, curses.h must come before both termios.h and term.h */
#ifdef HAVE_CURSES_H
#include <curses.h>
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
-#ifndef PLATFORM_WIN32
#ifndef TIOCGWINSZ
+#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#endif
static gboolean setup_finished;
static gboolean atexit_called;
+
+/* The string used to return the terminal to its previous state */
static gchar *teardown_str;
-#ifdef PLATFORM_WIN32
+/* The string used to set the terminal into keypad xmit mode after SIGCONT is received */
+static gchar *keypad_xmit_str;
+
+#ifdef HAVE_TERMIOS_H
+/* This is the last state used by Mono, used after a CONT signal is received */
+static struct termios mono_attr;
+#endif
+
+#if defined (PLATFORM_WIN32) || defined (MONO_NULL_TTYDRIVER)
MonoBoolean
ves_icall_System_ConsoleDriver_Isatty (HANDLE handle)
{
}
MonoBoolean
-ves_icall_System_ConsoleDriver_TtySetup (MonoString *teardown)
+ves_icall_System_ConsoleDriver_TtySetup (MonoString *keypad, MonoString *teardown, char *verase, char *vsusp, char*intr, int **size)
{
return FALSE;
}
if (tcsetattr (STDIN_FILENO, TCSANOW, &attr) == -1)
return FALSE;
+ mono_attr = attr;
return TRUE;
}
MonoBoolean
ves_icall_System_ConsoleDriver_SetEcho (MonoBoolean want_echo)
{
+
return set_property (ECHO, want_echo);
}
return (ret > 0) ? ret : 0;
}
+static gint32 cols_and_lines;
+
+#ifdef TIOCGWINSZ
+static int
+terminal_get_dimensions (void)
+{
+ struct winsize ws;
+
+ if (ioctl (STDIN_FILENO, TIOCGWINSZ, &ws) == 0)
+ return (ws.ws_col << 16) | ws.ws_row;
+
+ return -1;
+}
+#else
+static int
+terminal_get_dimensions (void)
+{
+ return -1;
+}
+#endif
+
static void
tty_teardown (void)
{
tcflush (STDIN_FILENO, TCIFLUSH);
tcsetattr (STDIN_FILENO, TCSANOW, &initial_attr);
+ set_property (ECHO, TRUE);
setup_finished = FALSE;
}
-MonoBoolean
-ves_icall_System_ConsoleDriver_TtySetup (MonoString *teardown)
+static void
+do_console_cancel_event (void)
{
- struct termios attr;
+ static MonoClassField *cancel_handler_field;
+ MonoDomain *domain = mono_domain_get ();
+ MonoClass *klass;
+ MonoDelegate *load_value;
+ MonoMethod *method;
+ MonoMethodMessage *msg;
+ MonoMethod *im;
+
+ if (!domain->domain)
+ return;
+
+ klass = mono_class_from_name (mono_defaults.corlib, "System", "Console");
+ if (klass == NULL)
+ return;
+
+ if (cancel_handler_field == NULL) {
+ cancel_handler_field = mono_class_get_field_from_name (klass, "cancel_handler");
+ g_assert (cancel_handler_field);
+ }
+
+ mono_field_static_get_value (mono_class_vtable (domain, klass), cancel_handler_field, &load_value);
+ if (load_value == NULL)
+ return;
+
+ klass = load_value->object.vtable->klass;
+ method = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
+ g_assert (method != NULL);
+ im = mono_get_delegate_invoke (method->klass);
+ msg = mono_method_call_message_new (method, NULL, im, NULL, NULL);
+ mono_thread_pool_add ((MonoObject *) load_value, msg, NULL, NULL);
+}
+
+static gboolean in_sigint;
+static void
+sigint_handler (int signo)
+{
+ MONO_ARCH_SAVE_REGS;
+
+ if (in_sigint)
+ return;
+
+ in_sigint = TRUE;
+ do_console_cancel_event ();
+ in_sigint = FALSE;
+}
+
+static struct sigaction save_sigcont, save_sigint, save_sigwinch;
+
+static void
+sigcont_handler (int signo, void *the_siginfo, void *data)
+{
+ // Ignore error, there is not much we can do in the sigcont handler.
+ tcsetattr (STDIN_FILENO, TCSANOW, &mono_attr);
+
+ if (keypad_xmit_str != NULL)
+ write (STDOUT_FILENO, keypad_xmit_str, strlen (keypad_xmit_str));
+
+ // Call previous handler
+ if (save_sigcont.sa_sigaction != NULL &&
+ save_sigcont.sa_sigaction != (void *)SIG_DFL &&
+ save_sigcont.sa_sigaction != (void *)SIG_IGN)
+ (*save_sigcont.sa_sigaction) (signo, the_siginfo, data);
+}
+
+static void
+sigwinch_handler (int signo, void *the_siginfo, void *data)
+{
+ int dims = terminal_get_dimensions ();
+ if (dims != -1)
+ cols_and_lines = dims;
+
+ // Call previous handler
+ if (save_sigwinch.sa_sigaction != NULL &&
+ save_sigwinch.sa_sigaction != (void *)SIG_DFL &&
+ save_sigwinch.sa_sigaction != (void *)SIG_IGN)
+ (*save_sigwinch.sa_sigaction) (signo, the_siginfo, data);
+}
+
+void
+console_set_signal_handlers ()
+{
+ struct sigaction sigcont, sigint, sigwinch;
+
+ memset (&sigcont, 0, sizeof (struct sigaction));
+ memset (&sigint, 0, sizeof (struct sigaction));
+ memset (&sigwinch, 0, sizeof (struct sigaction));
+
+ // Continuing
+ sigcont.sa_handler = (void *) sigcont_handler;
+ sigcont.sa_flags = 0;
+ sigemptyset (&sigcont.sa_mask);
+ sigaction (SIGCONT, &sigcont, &save_sigcont);
+ // Interrupt handler
+ sigint.sa_handler = sigint_handler;
+ sigint.sa_flags = 0;
+ sigemptyset (&sigint.sa_mask);
+ sigaction (SIGINT, &sigint, &save_sigint);
+
+ // Window size changed
+ sigwinch.sa_handler = (void *) sigwinch_handler;
+ sigwinch.sa_flags = 0;
+ sigemptyset (&sigwinch.sa_mask);
+ sigaction (SIGWINCH, &sigwinch, &save_sigwinch);
+}
+
+//
+// Currently unused, should we ever call the restore handler?
+// Perhaps before calling into Process.Start?
+//
+void
+console_restore_signal_handlers ()
+{
+ sigaction (SIGCONT, &save_sigcont, NULL);
+ sigaction (SIGINT, &save_sigint, NULL);
+ sigaction (SIGWINCH, &save_sigwinch, NULL);
+}
+
+MonoBoolean
+ves_icall_System_ConsoleDriver_TtySetup (MonoString *keypad, MonoString *teardown, char *verase, char *vsusp, char*intr, int **size)
+{
+ int dims;
+
MONO_ARCH_SAVE_REGS;
+ dims = terminal_get_dimensions ();
+ if (dims == -1){
+ int cols = 0, rows = 0;
+
+ char *str = getenv ("COLUMNS");
+ if (str != NULL)
+ cols = atoi (str);
+ str = getenv ("LINES");
+ if (str != NULL)
+ rows = atoi (str);
+
+ if (cols != 0 && rows != 0)
+ cols_and_lines = (cols << 16) | rows;
+ else
+ cols_and_lines = -1;
+ } else {
+ cols_and_lines = dims;
+ }
+
+ *size = &cols_and_lines;
+
+ *verase = '\0';
+ *vsusp = '\0';
+ *intr = '\0';
if (tcgetattr (STDIN_FILENO, &initial_attr) == -1)
return FALSE;
- attr = initial_attr;
- attr.c_lflag &= ~ICANON;
- attr.c_cc [VMIN] = 1;
- attr.c_cc [VTIME] = 0;
- if (tcsetattr (STDIN_FILENO, TCSANOW, &attr) == -1)
+ mono_attr = initial_attr;
+ mono_attr.c_lflag &= ~(ICANON);
+ mono_attr.c_iflag &= ~(IXON|IXOFF);
+ mono_attr.c_cc [VMIN] = 1;
+ mono_attr.c_cc [VTIME] = 0;
+ if (tcsetattr (STDIN_FILENO, TCSANOW, &mono_attr) == -1)
return FALSE;
+ *verase = initial_attr.c_cc [VERASE];
+ *vsusp = initial_attr.c_cc [VSUSP];
+ *intr = initial_attr.c_cc [VINTR];
+ /* If initialized from another appdomain... */
+ if (setup_finished)
+ return TRUE;
+
+ keypad_xmit_str = keypad != NULL ? mono_string_to_utf8 (keypad) : NULL;
+
+ console_set_signal_handlers ();
setup_finished = TRUE;
if (!atexit_called) {
if (teardown != NULL)
return TRUE;
}
-#endif
+#endif /* !PLATFORM_WIN32 */
projects / mono.git / blobdiff