ef71055cf8
Test for system limits (where known) prior to doing things like fork and pipe since some systems aren't very nice about it when we try to exceed such limits. This commit was SVN r14494.
114 строки
3.8 KiB
C
114 строки
3.8 KiB
C
/*
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* Copyright (c) 2004-2005 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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* $COPYRIGHT$
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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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* @file:
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* Part of the bproc launching system. This launching system is broken into 2
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* parts: one runs under the PLS on the head node to launch the orteds, and the
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* other serves as the orted's local launcher.
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*
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* The main job of this component is to setup ptys/pipes for IO forwarding.
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* See pls_bproc.h for an overview of how the entire bproc launching system works.
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*/
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#ifndef ORTE_ODLS_BPROC_H_
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#define ORTE_ODLS_BPROC_H_
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#include "orte_config.h"
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#include <sys/bproc.h>
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#include "opal/mca/mca.h"
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#include "opal/threads/condition.h"
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#include "orte/mca/gpr/gpr_types.h"
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#include "orte/mca/rmaps/rmaps_types.h"
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#include "orte/mca/odls/odls.h"
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/*
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* Module open / close
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*/
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int orte_odls_bproc_component_open(void);
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int orte_odls_bproc_component_close(void);
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int orte_odls_bproc_finalize(void);
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orte_odls_base_module_t* orte_odls_bproc_init(int *priority);
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/*
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* Startup / Shutdown
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*/
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int orte_odls_bproc_finalize(void);
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/*
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* Interface
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*/
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int orte_odls_bproc_subscribe_launch_data(orte_jobid_t job, orte_gpr_notify_cb_fn_t cbfunc);
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int orte_odls_bproc_get_add_procs_data(orte_gpr_notify_data_t **data, orte_job_map_t *map);
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int orte_odls_bproc_launch_local_procs(orte_gpr_notify_data_t *data, char **base_environ);
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int orte_odls_bproc_kill_local_procs(orte_jobid_t job, bool set_state);
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int orte_odls_bproc_signal_local_procs(const orte_process_name_t* proc_name, int32_t signal);
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int orte_odls_bproc_deliver_message(orte_jobid_t job, orte_buffer_t *buffer, orte_rml_tag_t tag);
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/**
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* ODLS bproc_orted component
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*/
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struct orte_odls_bproc_component_t {
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orte_odls_base_component_t super;
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/**< The base class */
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int debug;
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/**< If greater than 0 print debugging information */
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int priority;
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/**< The priority of this component. This will be returned if we determine
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* that bproc is available and running on this node, */
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opal_mutex_t lock;
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/**< Lock used to prevent some race conditions */
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opal_condition_t cond;
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/**< Condition used to wake up waiting threads */
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opal_list_t children;
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/**< list of children on this node */
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};
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/**
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* Convenience typedef
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*/
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typedef struct orte_odls_bproc_component_t orte_odls_bproc_component_t;
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/*
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* List object to locally store the process names and pids of
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* our children. This can subsequently be used to order termination
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* or pass signals without looking the info up again.
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*/
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typedef struct odls_bproc_child_t {
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opal_list_item_t super; /* required to place this on a list */
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orte_process_name_t *name; /* the OpenRTE name of the proc */
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pid_t pid; /* local pid of the proc */
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orte_std_cntr_t app_idx; /* index of the app_context for this proc */
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bool alive; /* is this proc alive? */
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} odls_bproc_child_t;
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OBJ_CLASS_DECLARATION(odls_bproc_child_t);
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ORTE_MODULE_DECLSPEC extern orte_odls_bproc_component_t mca_odls_bproc_component;
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extern orte_odls_base_module_t orte_odls_bproc_module;
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* ORTE_ODLS_BPROC_H_ */
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