#include "HTUtils.h" #include "tcp.h" #include "LYCurses.h" #include "LYUtils.h" #include "LYSignal.h" #include "LYClean.h" #include "LYGlobalDefs.h" #include "LYStrings.h" #include "LYTraversal.h" #include "LYexit.h" #include "LYLeaks.h" #define FREE(x) if (x) {free(x); x = NULL;} #ifdef VMS BOOLEAN HadVMSInterrupt = FALSE; #endif /* VMS */ /* * Interrupt handler. Stop curses and exit gracefully. */ PUBLIC void cleanup_sig ARGS1( int, sig) { #ifdef IGNORE_CTRL_C if (sig == SIGINT) { /* * Need to rearm the signal. */ signal(SIGINT, cleanup_sig); sigint = TRUE; return; } #endif /* IGNORE_CTRL_C */ #ifdef VMS if (!dump_output_immediately) { int c; /* * Reassert the AST. */ (void) signal(SIGINT, cleanup_sig); HadVMSInterrupt = TRUE; if (!LYCursesON) return; /* * Refresh screen to get rid of "cancel" message, then query. */ lynx_force_repaint(); refresh(); /* * Ask if exit is intended. */ _statusline(REALLY_EXIT); c = LYgetch(); #ifdef QUIT_DEFAULT_YES if (TOUPPER(c) == 'N' || c == 7) #else if (TOUPPER(c) != 'Y') #endif /* QUIT_DEFAULT_YES */ return; } #endif /* VMS */ /* * Ignore further interrupts. - mhc: 11/2/91 */ #ifndef NOSIGHUP (void) signal(SIGHUP, SIG_IGN); #endif /* NOSIGHUP */ #ifdef VMS /* * Use ttclose() from cleanup() for VMS if not dumping. */ if (dump_output_immediately) #else /* Unix: */ (void) signal(SIGINT, SIG_IGN); #endif /* VMS */ (void) signal(SIGTERM, SIG_IGN); 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) { printf("\r\nExiting via interrupt: %d\r\n", sig); fflush(stdout); } #ifndef NOSIGHUP } else { cleanup_files(); } #endif /* NOSIGHUP */ #ifndef NOSIGHUP (void) signal(SIGHUP, SIG_DFL); #endif /* NOSIGHUP */ (void) signal(SIGTERM, SIG_DFL); #ifndef VMS (void) signal(SIGINT, SIG_DFL); #endif /* !VMS */ #ifdef SIGTSTP if (no_suspend) (void) signal(SIGTSTP, SIG_DFL); #endif /* SIGTSTP */ if (sig != 0) { exit(0); } } /* * Called by Interrupt handler or at quit time. * Erases the temporary files that lynx created * temporary files are removed by tempname * which created them. */ PUBLIC void cleanup_files NOARGS { char filename[256]; tempname(filename, REMOVE_FILES); FREE(lynx_temp_space); } PUBLIC void cleanup NOARGS { int i; #ifdef VMS extern BOOLEAN DidCleanup; #endif /* VMS */ /* * Cleanup signals - just in case. * Ignore further interrupts. - mhc: 11/2/91 */ #ifndef NOSIGHUP (void) signal(SIGHUP, SIG_IGN); #endif /* NOSIGHUP */ (void) signal (SIGTERM, SIG_IGN); #ifndef VMS /* use ttclose() from cleanup() for VMS */ (void) signal (SIGINT, SIG_IGN); #endif /* !VMS */ if (LYCursesON) { move(LYlines-1, 0); clrtoeol(); lynx_stop_all_colors (); refresh(); stop_curses(); } cleanup_files(); for (i = 0; i < nhist; i++) { FREE(history[i].title); FREE(history[i].address); FREE(history[i].post_data); FREE(history[i].post_content_type); FREE(history[i].bookmark); } nhist = 0; #ifdef VMS ttclose(); DidCleanup = TRUE; #endif /* VMS */ fflush(stdout); fflush(stderr); if (LYTraceLogFP != NULL) { fclose(LYTraceLogFP); } }