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/* -*- C -*-
*
* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#ifndef NOTIFIER_COMMAND_H
#define NOTIFIER_COMMAND_H
#include "orte_config.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "orte/mca/notifier/notifier.h"
BEGIN_C_DECLS
typedef struct {
orte_notifier_base_component_t super;
/* Command to execute */
char *cmd;
/* Timeout of the command (seconds) */
int timeout;
/* Priority of this component */
int priority;
/* Child PID */
pid_t child_pid;
/* Pipe to the child */
int to_child[2];
/* Pipe to the parent */
int to_parent[2];
} orte_notifier_command_component_t;
/*
* Notifier interfaces
*/
ORTE_MODULE_DECLSPEC extern orte_notifier_command_component_t
mca_notifier_command_component;
extern orte_notifier_base_module_t orte_notifier_command_module;
/*
* Pipe commands
*/
typedef enum {
/* Fork/exec a command */
CMD_EXEC,
/* Time to quit */
CMD_TIME_TO_QUIT,
/* Sentinel value */
CMD_MAX
} orte_notifier_command_pipe_cmd_t;
/**
* Simple blocking function to read a specific number of bytes from an
* fd.
*/
int orte_notifier_command_read_fd(int fd, int len, void *buffer);
/**
* Simple blocking function to write a specific number of bytes to an
* fd.
*/
int orte_notifier_command_write_fd(int fd, int len, void *buffer);
/**
* Main entry point for child
*/
void orte_notifier_command_child_main(void);
/**
* Function to split a spint into argv, honoring quoting, etc. (and do
* some error checking of the string)
*/
int orte_notifier_command_split(const char *cmd, char ***argv);
END_C_DECLS
#endif
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