X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=gui.c;h=8e83cc53c6d55f53ccdb0a9dfbb4c89f0bb7525a;hp=e85edba929780c440aa36915347bbb7fbca74911;hb=21c6e0b09b42e61e72b741bd726856ab0bcd1d64;hpb=0bc88a7bbfacdce3caa5dd26dabe046ab20b2f6d diff --git a/gui.c b/gui.c index e85edba9..8e83cc53 100644 --- a/gui.c +++ b/gui.c @@ -26,8 +26,9 @@ #include "ggo.h" #include "version.h" -/** define the array of error lists needed by para_gui */ -INIT_GUI_ERRLISTS; +/** Array of error strings. */ +DEFINE_PARA_ERRLIST; + static char *stat_content[NUM_STAT_ITEMS]; static struct gui_window { @@ -146,7 +147,7 @@ struct exec_task { unsigned flags[2]; /* passed to for_each_line() */ }; -static int find_cmd_byname(char *name) +static int find_cmd_byname(const char *name) { int i; @@ -518,6 +519,14 @@ __noreturn __printf_2_3 static void die(int exit_code, const char* fmt, ...) { va_list argp; + /* Kill every process in our process group. */ + para_sigaction(SIGTERM, SIG_IGN); + kill(0, SIGTERM); + /* Wait up to two seconds for child processes to die. */ + alarm(2); + while (waitpid(0, NULL, 0) >= 0) + ; /* nothing */ + alarm(0); /* mousemask() exists only in ncurses */ #ifdef NCURSES_MOUSE_VERSION mousemask(~(mmask_t)0, NULL); /* Avoid bad terminal state with xterm. */ @@ -526,9 +535,6 @@ __noreturn __printf_2_3 static void die(int exit_code, const char* fmt, ...) va_start(argp, fmt); vfprintf(stderr, fmt, argp); va_end(argp); - /* kill every process in the process group and exit */ - para_sigaction(SIGTERM, SIG_IGN); - kill(0, SIGTERM); exit(exit_code); } @@ -930,12 +936,7 @@ static int signal_post_select(struct sched *s, __a_unused void *context) switch (ret) { case SIGTERM: die(EXIT_FAILURE, "only the good die young (caught SIGTERM)\n"); - return 1; case SIGINT: - PARA_WARNING_LOG("caught SIGINT, reset\n"); - /* Nothing to do. SIGINT killed our child which gets noticed - * by do_select and resets everything. - */ return 1; case SIGUSR1: PARA_NOTICE_LOG("got SIGUSR1, rereading configuration\n"); @@ -1160,7 +1161,7 @@ static void print_scroll_msg(void) unsigned lines_total, filled = ringbuffer_filled(bot_win_rb); int first_rbe = first_visible_rbe(&lines_total); - print_in_bar(COLOR_MSG, "scrolled view: %d-%d/%d\n", filled - first_rbe, + print_in_bar(COLOR_MSG, "scrolled view: %u-%u/%u\n", filled - first_rbe, filled - scroll_position, ringbuffer_filled(bot_win_rb)); } @@ -1491,9 +1492,9 @@ static int setup_tasks_and_schedule(void) * The exec task is responsible for printing the output of the currently * running executable to the bottom window. * - * The signal task performs suitable actions according to any signals received. - * For example it refreshes all windows on terminal size changes and resets the - * terminal on \p SIGTERM. + * The signal task performs various actions according to signals received. For + * example, it reloads the configuration file on SIGUSR1, and it shuts down the + * curses system on SIGTERM to restore the terminal settings before exit. * * The input task reads single key strokes from stdin. For each key pressed, it * executes the command handler associated with this key.