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#ifndef foodexechfoo
#define foodexechfoo
/* $Id: exec.h 4 2003-08-10 19:56:53Z lennart $ */
/*
* This file is part of libdaemon.
*
* libdaemon is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* libdaemon 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with libdaemon; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <stdarg.h>
#ifdef __cplusplus
extern "C" {
#endif
/** \file
*
* Contains a robust API for running sub processes with STDOUT and
* STDERR redirected to syslog
*/
/** This variable is defined to 1 iff daemon_exec() is supported.*/
#define DAEMON_EXEC_AVAILABLE 1
/** Run the specified executable with the specified arguments in the
* specified directory and return the return value of the program in
* the specified pointer. The calling process is blocked until the
* child finishes and all child output (either STDOUT or STDIN) has
* been written to syslog. Running this function requires that
* daemon_signal() has been called with SIGCHLD as argument.
*
* @param dir Working directory for the process.
* @param ret A pointer to an integer to write the return value of the program to.
* @param prog The path to the executable
* @param ... The arguments to be passed to the program, followed by a (char *) NULL
* @return Nonzero on failure, zero on success
*/
int daemon_exec(const char *dir, int *ret, const char *prog, ...);
/** This variable is defined to 1 iff daemon_execv() is supported.*/
#define DAEMON_EXECV_AVAILABLE 1
/** The same as daemon_exec, but without variadic arguments */
int daemon_execv(const char *dir, int *ret, const char *prog, va_list ap);
#ifdef __cplusplus
}
#endif
#endif
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