X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=stdout.c;h=178f3eebe5cab4e8f0df1d9fdf3e03b813a14f16;hp=25402b8d259fbecb8e0d9fc7b3fab2d799b07884;hb=db0e72763ac5660b01c8c2db75901f4efa2c44cc;hpb=95491e280363ddaed05599445138fd8191110dc1 diff --git a/stdout.c b/stdout.c index 25402b8d..178f3eeb 100644 --- a/stdout.c +++ b/stdout.c @@ -1,23 +1,14 @@ /* * Copyright (C) 2006 Andre Noll * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file stdout.c functions that deal with writing to stdout */ +#include /* readdir() */ +#include + #include "para.h" #include "string.h" #include "list.h" @@ -26,7 +17,6 @@ #include "error.h" #include "stdout.h" - /** * the pre_select function of the stdout task * @@ -34,17 +24,17 @@ * \param t the task structure of the stdout task * * This function is always successful. If there is data available in the input - * buffer, it adds \a STDOUT_FILENO to the write fd set of \a s. + * buffer, it adds \p STDOUT_FILENO to the write fd set of \a s. */ -void stdout_pre_select(struct sched *s, struct task *t) +static void stdout_pre_select(struct sched *s, struct task *t) { struct stdout_task *sot = t->private_data; t->ret = 1; sot->check_fd = 0; if (!*sot->loaded) { - if (*sot->input_eof) { - t->ret = -E_STDOUT_EOF; + if (*sot->input_error) { + t->ret = *sot->input_error; s->timeout.tv_sec = 0; s->timeout.tv_usec = 1; } @@ -60,20 +50,20 @@ void stdout_pre_select(struct sched *s, struct task *t) * \param s the scheduler this task was registered to * \param t the task structure of the stdout task * - * This function checks if \a STDOUT_FILENO was included by in the write fd set - * of \a s during the previous pre_select call. If yes, and STDOUT_FILENO + * This function checks if \p STDOUT_FILENO was included by in the write fd set + * of \a s during the previous pre_select call. If yes, and \p STDOUT_FILENO * appeears to be writable, the data loaded in the input buffer is written to * stdout. */ -void stdout_post_select(struct sched *s, struct task *t) +static void stdout_post_select(struct sched *s, struct task *t) { struct stdout_task *sot = t->private_data; ssize_t ret; t->ret = 1; if (!sot->check_fd) { - if (*sot->input_eof) - t->ret = -E_STDOUT_EOF; + if (*sot->input_error) + t->ret = *sot->input_error; return; } if (!FD_ISSET(STDOUT_FILENO, &s->wfds)) @@ -83,12 +73,14 @@ void stdout_post_select(struct sched *s, struct task *t) if (ret <= 0) return; *sot->loaded -= ret; + if (*sot->loaded) + memmove(sot->buf, sot->buf + ret, *sot->loaded); t->ret = 1; } static void stdout_default_event_handler(struct task *t) { - PARA_NOTICE_LOG("%p: %s\n", t, PARA_STRERROR(-t->ret)); + PARA_NOTICE_LOG("%p: %s\n", t, para_strerror(-t->ret)); unregister_task(t); } @@ -107,6 +99,7 @@ void stdout_set_defaults(struct stdout_task *sot) sot->task.pre_select = stdout_pre_select; sot->task.post_select = stdout_post_select; sot->task.event_handler = stdout_default_event_handler; - sot->eof = 0; + sot->error = 0; + mark_fd_nonblocking(STDOUT_FILENO); sprintf(sot->task.status, "stdout writer"); }