/usr/include/debian-installer/exec.h is in libdebian-installer4-dev 0.99+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* exec.h
*
* Copyright (C) 2003 Bastian Blank <waldi@debian.org>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef DEBIAN_INSTALLER__EXEC_H
#define DEBIAN_INSTALLER__EXEC_H
#include <debian-installer/types.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
/**
* @addtogroup di_exec
* @{
*/
di_io_handler
/**
* logs the output
*/
di_exec_io_log;
di_process_handler
/**
* chdir to user_data
*
* @param user_data path
*/
di_exec_prepare_chdir,
/**
* chroot to user_data
*
* @param user_data path
*/
di_exec_prepare_chroot;
/**
* execv like call
*
* @param path executable with path
* @param argv NULL-terminated area of char pointer
* @param stdout_handler di_io_handler which gets stdout (and to stderr if stderr_handler is NULL)
* @param stderr_handler di_io_handler which gets stderr
* @param io_user_data user_data for di_io_handler
* @param parent_prepare_handler di_process_handler which is called after the fork in the parent
* @param parent_prepare_user_data user_data for parent_prepare_handler
* @param child_prepare_handler di_process_handler which is called after the fork in the child
* @param child_prepare_user_data user_data for child_prepare_handler
*
* @return status or error
*/
int di_exec_full (const char *path, const char *const argv[], di_io_handler *stdout_handler, di_io_handler *stderr_handler, void *io_user_data, di_process_handler *parent_prepare_handler, void *parent_prepare_user_data, di_process_handler *child_prepare_handler, void *child_prepare_user_data);
/**
* execv like call
*
* @param path executable with path
* @param argv NULL-terminated area of char pointer
*
* @return status or error
*/
static inline int di_exec (const char *path, const char *const argv[])
{
return di_exec_full (path, argv, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
}
/**
* execve like call
*
* @param path executable with path
* @param argv NULL-terminated area of char pointer
* @param envp NULL-terminated area of char pointer
* @param stdout_handler di_io_handler which gets stdout (and to stderr if stderr_handler is NULL)
* @param stderr_handler di_io_handler which gets stderr
* @param io_user_data user_data for di_io_handler
* @param parent_prepare_handler di_process_handler which is called after the fork in the parent
* @param parent_prepare_user_data user_data for parent_prepare_handler
* @param child_prepare_handler di_process_handler which is called after the fork in the child
* @param child_prepare_user_data user_data for child_prepare_handler
*
* @return status or error
*/
int di_exec_env_full (const char *path, const char *const argv[], const char *const envp[], di_io_handler *stdout_handler, di_io_handler *stderr_handler, void *io_user_data, di_process_handler *parent_prepare_handler, void *parent_prepare_user_data, di_process_handler *child_prepare_handler, void *child_prepare_user_data);
/**
* execve like call
*
* @param path executable with path
* @param argv NULL-terminated area of char pointer
* @param envp NULL-terminated area of char pointer
*
* @return status or error
*/
static inline int di_exec_env (const char *path, const char *const argv[], const char *const envp[])
{
return di_exec_env_full (path, argv, envp, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
}
/**
* execvp like call
*
* @param file executable
* @param argv NULL-terminated area of char pointer
* @param stdout_handler di_io_handler which gets stdout (and to stderr if stderr_handler is NULL)
* @param stderr_handler di_io_handler which gets stderr
* @param io_user_data user_data for di_io_handler
* @param parent_prepare_handler di_process_handler which is called after the fork in the parent
* @param parent_prepare_user_data user_data for parent_prepare_handler
* @param child_prepare_handler di_process_handler which is called after the fork in the child
* @param child_prepare_user_data user_data for child_prepare_handler
*
* @return status or error
*/
int di_exec_path_full (const char *file, const char *const argv[], di_io_handler *stdout_handler, di_io_handler *stderr_handler, void *io_user_data, di_process_handler *parent_prepare_handler, void *parent_prepare_user_data, di_process_handler *child_prepare_handler, void *child_prepare_user_data);
/**
* execvp like call
*
* @param file executable
* @param argv NULL-terminated area of char pointer
*
* @return status or error
*/
static inline int di_exec_path (const char *file, const char *const argv[])
{
return di_exec_path_full (file, argv, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
}
/**
* system like call
*
* @param cmd command
* @param stdout_handler di_io_handler which gets stdout
* @param stderr_handler di_io_handler which gets stderr
* @param io_user_data user_data for di_io_handler
* @param parent_prepare_handler di_process_handler which is called after the fork in the parent
* @param parent_prepare_user_data user_data for parent_prepare_handler
* @param child_prepare_handler di_process_handler which is called after the fork in the child
* @param child_prepare_user_data user_data for child_prepare_handler
*
* @return status or error
*/
int di_exec_shell_full (const char *const cmd, di_io_handler *stdout_handler, di_io_handler *stderr_handler, void *io_user_data, di_process_handler *parent_prepare_handler, void *parent_prepare_user_data, di_process_handler *child_prepare_handler, void *child_prepare_user_data);
/**
* system like call
*
* @param cmd command
*
* @return status or error
*/
static inline int di_exec_shell (const char *const cmd)
{
return di_exec_shell_full (cmd, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
}
/**
* system like call with output via log
*
* @param cmd command
*
* @return status or error
*/
inline static int di_exec_shell_log (const char *const cmd)
{
return di_exec_shell_full (cmd, di_exec_io_log, NULL, NULL, NULL, NULL, NULL, NULL);
}
/**
* mangle status like sh does it:
* * if signaled: 128 + signal
* * else return code
*/
int di_exec_mangle_status (int status);
/**
* @deprecated
* Alias of di_exec_shell_log
*/
inline static int di_execlog (const char *const cmd) __attribute__ ((deprecated));
inline static int di_execlog (const char *const cmd)
{
return di_exec_shell_log (cmd);
}
/** @} */
#endif
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