b661f160ba
any arbitrary command as a notifier, potentially allowing just about anything to be a notifier. This component forks a child during orte_init() to avoid forking problems with some OS-bypass networks. The following MCA parameters are available: notifier_command_cmd: Default: /sbin/initlog -f $s -n "Open MPI" -s "$S: $m (errorcode: $e)" Command to execute, with substitution. $s = integer severity; $S = string severity; $e = integer error code; $m = string message notifier_command_timeout: Default: 30 Timeout (in seconds) of the command This commit was SVN r21076.
106 строки
2.4 KiB
C
106 строки
2.4 KiB
C
/* -*- C -*-
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*
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* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*
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*/
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#ifndef NOTIFIER_COMMAND_H
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#define NOTIFIER_COMMAND_H
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#include "orte_config.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "orte/types.h"
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#include "orte/mca/notifier/notifier.h"
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BEGIN_C_DECLS
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typedef struct {
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orte_notifier_base_component_t super;
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/* Command to execute */
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char *cmd;
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/* Timeout of the command (seconds) */
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int timeout;
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/* Priority of this component */
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int priority;
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/* Child PID */
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pid_t child_pid;
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/* Pipe to the child */
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int to_child[2];
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/* Pipe to the parent */
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int to_parent[2];
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} orte_notifier_command_component_t;
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/*
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* Notifier interfaces
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*/
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ORTE_MODULE_DECLSPEC extern orte_notifier_command_component_t
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mca_notifier_command_component;
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extern orte_notifier_base_module_t orte_notifier_command_module;
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/*
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* Pipe commands
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*/
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typedef enum {
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/* Fork/exec a command */
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CMD_EXEC,
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/* Time to quit */
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CMD_TIME_TO_QUIT,
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/* Sentinel value */
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CMD_MAX
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} orte_notifier_command_pipe_cmd_t;
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/**
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* Simple blocking function to read a specific number of bytes from an
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* fd.
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*/
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int orte_notifier_command_read_fd(int fd, int len, void *buffer);
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/**
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* Simple blocking function to write a specific number of bytes to an
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* fd.
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*/
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int orte_notifier_command_write_fd(int fd, int len, void *buffer);
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/**
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* Main entry point for child
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*/
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void orte_notifier_command_child_main(void);
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/**
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* Function to split a spint into argv, honoring quoting, etc. (and do
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* some error checking of the string)
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*/
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int orte_notifier_command_split(const char *cmd, char ***argv);
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END_C_DECLS
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#endif
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