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/* $LynxId: LYClean.c,v 1.40 2013/10/10 23:47:25 tom Exp $ */
#include <HTUtils.h>
#include <LYCurses.h>
#include <LYUtils.h>
#include <LYSignal.h>
#include <LYClean.h>
#include <LYMainLoop.h>
#include <LYGlobalDefs.h>
#include <LYTraversal.h>
#include <LYHistory.h>
#include <LYCookie.h>
#include <LYSession.h>
#include <UCAuto.h>
#include <HTAlert.h>
#include <LYexit.h>
#include <LYLeaks.h>
#ifdef DJGPP
extern void sig_handler_watt(int);
#endif /* DJGPP */
#ifdef VMS
BOOLEAN HadVMSInterrupt = FALSE;
#endif /* VMS */
/*
* Interrupt handler. Stop curses and exit gracefully.
*/
void cleanup_sig(int sig)
{
#ifdef IGNORE_CTRL_C
if (sig == SIGINT) {
/*
* Need to rearm the signal.
*/
#ifdef DJGPP
if (wathndlcbrk) {
sig_handler_watt(sig); /* Use WATT-32 signal handler */
}
#endif /* DJGPP */
signal(SIGINT, cleanup_sig);
sigint = TRUE;
#ifdef DJGPP
_eth_release();
_eth_init();
#endif /* DJGPP */
return;
}
#endif /* IGNORE_CTRL_C */
#ifdef VMS
if (!dump_output_immediately) {
/*
* Reassert the AST.
*/
(void) signal(SIGINT, cleanup_sig);
if (LYCursesON) {
lynx_force_repaint(); /* wipe away the "cancel" message */
LYrefresh();
/*
* Ask if exit is intended.
*/
if (LYQuitDefaultYes == TRUE) {
int Dft = ((LYQuitDefaultYes == TRUE) ? YES : NO);
int c = HTConfirmDefault(REALLY_EXIT, Dft);
HadVMSInterrupt = TRUE;
if (c != Dft) {
return;
}
}
} else {
return;
}
}
#endif /* VMS */
/*
* Ignore signals from terminal.
*/
#ifndef NOSIGHUP
(void) signal(SIGHUP, SIG_IGN);
#endif /* NOSIGHUP */
#ifdef VMS
/*
* Use ttclose() from cleanup() for VMS if not dumping.
*/
if (dump_output_immediately)
(void) signal(SIGTERM, SIG_IGN);
#else /* Unix: */
(void) signal(SIGINT, SIG_IGN);
(void) signal(SIGTERM, SIG_IGN);
#endif /* VMS */
if (traversal)
dump_traversal_history();
#ifndef NOSIGHUP
if (sig != SIGHUP) {
#endif /* NOSIGHUP */
if (!dump_output_immediately) {
/*
* cleanup() also calls cleanup_files().
*/
cleanup();
}
if (sig != 0) {
SetOutputMode(O_TEXT);
printf("\n\n%s %d\n\n",
gettext("Exiting via interrupt:"),
sig);
fflush(stdout);
}
#ifndef NOSIGHUP
} else {
#ifdef USE_SESSIONS
/*
* It is useful to save the session if a user closed lynx in a
* nonstandard way, such as closing xterm window or in even a crash.
*/
SaveSession();
#endif /* USE_SESSIONS */
cleanup_files();
}
#endif /* NOSIGHUP */
if (sig != 0) {
exit_immediately(EXIT_SUCCESS);
} else {
reset_signals();
}
}
/*
* Called by interrupt handler or at quit-time, this erases the temporary files
* that lynx created.
*/
void cleanup_files(void)
{
LYCleanupTemp();
FREE(lynx_temp_space);
}
void cleanup(void)
{
/*
* Ignore signals from terminal.
*/
#ifndef NOSIGHUP
(void) signal(SIGHUP, SIG_IGN);
#endif /* NOSIGHUP */
#ifndef VMS /* use ttclose() from cleanup() for VMS */
(void) signal(SIGINT, SIG_IGN);
#endif /* !VMS */
(void) signal(SIGTERM, SIG_IGN);
if (LYCursesON) {
LYParkCursor();
lynx_stop_all_colors();
LYrefresh();
stop_curses();
}
#ifdef EXP_CHARTRANS_AUTOSWITCH
/*
* Currently implemented only for LINUX: Restore original font.
*/ UCChangeTerminalCodepage(-1, (LYUCcharset *) 0);
#endif /* EXP_CHARTRANS_AUTOSWITCH */
#ifdef USE_PERSISTENT_COOKIES
/*
* This can go right here for now. We need to work up a better place
* to save cookies for the next release, preferably whenever a new
* persistent cookie is received or used. Some sort of protocol to
* handle two processes writing to the cookie file needs to be worked
* out as well.
*/
if (persistent_cookies)
LYStoreCookies(LYCookieSaveFile);
#endif
#ifdef USE_SESSIONS
SaveSession();
#endif /* USE_SESSIONS */
cleanup_files();
#ifdef VMS
ttclose();
DidCleanup = TRUE;
#endif /* VMS */
/*
* If we're looking at memory leaks, hang onto the trace file, since there
* is no memory freed in this function, and it is a nuisance to not be able
* to trace the cleanup activity -TD
*/
#ifndef LY_FIND_LEAKS
LYCloseTracelog();
#endif
}
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