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f6dd5a294b
Function replaces popen() system and avoids shell execution and argument parsing (no surprices).
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2011 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LVM_EXEC_H
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#define _LVM_EXEC_H
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#include "lib.h"
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struct cmd_context;
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/**
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* Execute command with paramaters and return status
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*
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* \param rstatus
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* Returns command's exit status code.
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*
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* \param sync_needed
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* Bool specifying whether local devices needs to be synchronized
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* before executing command.
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* Note: You cannot synchronize devices within activation context.
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*
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* \return
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* 1 (success) or 0 (failure).
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*/
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int exec_cmd(struct cmd_context *cmd, const char *const argv[],
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int *rstatus, int sync_needed);
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struct FILE;
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struct pipe_data {
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FILE *fp;
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pid_t pid;
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};
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/**
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* popen() like function to read-only output from executed command
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* without running shell.
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*
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* \param argv
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* Arguments for execvp.
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*
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* \param sync_needed
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* Bool specifying whether local devices needs to be synchronized
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* before executing command.
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* Note: You cannot synchronize devices within activation context.
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*
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* \param pdata
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* Arguments to store data needed for pclose_exec().
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*
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* \return
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* 1 (success) or 0 (failure).
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*/
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FILE *pipe_open(struct cmd_context *cmd, const char *const argv[],
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int sync_needed, struct pipe_data *pdata);
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int pipe_close(struct pipe_data *pdata);
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#endif
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