1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LVM_EXEC_H
#define _LVM_EXEC_H
#include "lib.h"
struct cmd_context;
/**
* Execute command with paramaters and return status
*
* \param rstatus
* Returns command's exit status code.
*
* \param sync_needed
* Bool specifying whether local devices needs to be synchronized
* before executing command.
* Note: You cannot synchronize devices within activation context.
*
* \return
* 1 (success) or 0 (failure).
*/
int exec_cmd(struct cmd_context *cmd, const char *const argv[],
int *rstatus, int sync_needed);
struct FILE;
struct pipe_data {
FILE *fp;
pid_t pid;
};
/**
* popen() like function to read-only output from executed command
* without running shell.
*
* \param argv
* Arguments for execvp.
*
* \param sync_needed
* Bool specifying whether local devices needs to be synchronized
* before executing command.
* Note: You cannot synchronize devices within activation context.
*
* \param pdata
* Arguments to store data needed for pclose_exec().
*
* \return
* 1 (success) or 0 (failure).
*/
FILE *pipe_open(struct cmd_context *cmd, const char *const argv[],
int sync_needed, struct pipe_data *pdata);
int pipe_close(struct pipe_data *pdata);
#endif
|
