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openmpi/opal/util/sys_limits.h

55 строки
1.6 KiB
C

/*
* Copyright (c) 2004-2005 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) 2013 Los Alamos National Security, LLC.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef OPAL_SYS_LIMITS_H
#define OPAL_SYS_LIMITS_H
#include "opal_config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
BEGIN_C_DECLS
/* define a structure to hold the various limits we find
* so that users can neatly access them
*/
typedef struct opal_sys_limits_t {
bool initialized;
int num_files;
int num_procs;
size_t file_size;
} opal_sys_limits_t;
/* since we only want to do this once, we will store the
* values in the following locations - provide access here
*/
OPAL_DECLSPEC extern opal_sys_limits_t opal_sys_limits;
/* Get the system resource limits and, if requested, set
* them to the specified limit
*/
OPAL_DECLSPEC int opal_util_init_sys_limits(char **errmsg);
END_C_DECLS
#endif /* OPAL_STRNCPY_H */