X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;ds=sidebyside;f=gui.c;h=6e44b09d37cc574846f1de0a4d325e586c69dad0;hb=e90c6c0a4d28a3f39e671c74ffe7c3de64650aa7;hp=728fb9b72c815237ca5aa51c9d590afa312e0464;hpb=a44fa6f118540d47cc575cbc62d22a6e4bb784e9;p=paraslash.git diff --git a/gui.c b/gui.c index 728fb9b7..6e44b09d 100644 --- a/gui.c +++ b/gui.c @@ -50,7 +50,7 @@ static struct ringbuffer *bot_win_rb; static unsigned scroll_position; -static int cmd_died, curses_active; +static int curses_active; static pid_t cmd_pid; static int command_fds[2]; @@ -287,14 +287,20 @@ static char *configfile_exists(void) return file_exists(tmp)? tmp: NULL; } -/* - * print num spaces to curses window - */ +/* Print given number of spaces to curses window. */ static void add_spaces(WINDOW* win, unsigned int num) { - while (num > 0) { - num--; - waddstr(win, " "); + char space[] = " "; + unsigned sz = sizeof(space); + + while (num >= sz) { + waddstr(win, space); + num -= sz; + } + if (num > 0) { + assert(num < sz); + space[num] = '\0'; + waddstr(win, space); } } @@ -533,7 +539,8 @@ static void setup_signal_handling(void) para_sigaction(SIGHUP, SIG_IGN); } -__noreturn static void do_exit(int ret) +/* kill every process in the process group and exit */ +__noreturn static void kill_pg_and_die(int ret) { para_sigaction(SIGTERM, SIG_IGN); kill(0, SIGTERM); @@ -552,7 +559,7 @@ static void shutdown_curses(void) __noreturn static void finish(int ret) { shutdown_curses(); - do_exit(ret); + kill_pg_and_die(ret); } /* @@ -567,7 +574,7 @@ __noreturn __printf_2_3 static void msg_n_exit(int ret, const char* fmt, ...) va_start(argp, fmt); vfprintf(outfd, fmt, argp); va_end(argp); - do_exit(ret); + kill_pg_and_die(ret); } static void print_welcome(void) @@ -834,10 +841,8 @@ reap_next_child: ret = para_reap_child(&pid); if (ret <= 0) return; - if (pid == cmd_pid) { + if (pid == cmd_pid) cmd_pid = 0; - cmd_died = 1; - } goto reap_next_child; } @@ -993,6 +998,8 @@ repeat: if (command_fds[1] >= 0) para_fd_set(command_fds[1], &rfds, &max_fileno); } + if (mode == GETCH_MODE || mode == COMMAND_MODE) + para_fd_set(STDIN_FILENO, &rfds, &max_fileno); ret = para_select(max_fileno + 1, &rfds, NULL, &tv); if (ret <= 0) goto check_return; /* skip fd checks */ @@ -1064,10 +1071,8 @@ check_return: return ret; break; case EXTERNAL_MODE: - if (cmd_died) { - cmd_died = 0; + if (cmd_pid == 0) return 0; - } } goto repeat; } @@ -1141,7 +1146,6 @@ static void external_cmd(char *cmd) shutdown_curses(); if (para_exec_cmdline_pid(&cmd_pid, cmd, fds) < 0) return; - cmd_died = 0; do_select(EXTERNAL_MODE); init_curses(); }