/* Creation of subprocesses, communicating via pipes.
- Copyright (C) 2001-2003 Free Software Foundation, Inc.
+ Copyright (C) 2001-2003, 2006, 2008 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
- This program is free software; you can redistribute it and/or modify
+ 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, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 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
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _PIPE_H
#define _PIPE_H
/* Get pid_t. */
#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include <sys/types.h>
#include <stdbool.h>
* write system read
* parent -> fd[0] -> STDIN_FILENO -> child
*
+ * Note: When writing to a child process, it is useful to ignore the SIGPIPE
+ * signal and the EPIPE error code.
*/
extern pid_t create_pipe_out (const char *progname,
const char *prog_path, char **prog_argv,
* parent <- fd[0] <- STDOUT_FILENO <- child
* read system write
*
+ * Note: When writing to a child process, it is useful to ignore the SIGPIPE
+ * signal and the EPIPE error code.
*/
extern pid_t create_pipe_bidi (const char *progname,
const char *prog_path, char **prog_argv,