File: shmem_posix_common_utils.h

package info (click to toggle)
openmpi 5.0.8-4
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 201,684 kB
  • sloc: ansic: 613,078; makefile: 42,353; sh: 11,194; javascript: 9,244; f90: 7,052; java: 6,404; perl: 5,179; python: 1,859; lex: 740; fortran: 61; cpp: 20; tcl: 12
file content (50 lines) | stat: -rw-r--r-- 1,790 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
/*
 * Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2005 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) 2007-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2009      Sun Microsystems, Inc.  All rights reserved.
 * Copyright (c) 2010      IBM Corporation.  All rights reserved.
 * Copyright (c) 2010-2011 Los Alamos National Security, LLC.
 *                         All rights reserved.
 * Copyright (c) 2022      IBM Corporation. All rights reserved
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

/**
 * @file
 *
 * shmem (shared memory backing facility) framework utilities
 */

#ifndef OPAL_SHMEM_POSIX_COMMON_UTILS_H
#define OPAL_SHMEM_POSIX_COMMON_UTILS_H

BEGIN_C_DECLS

#include "opal_config.h"

/**
 * this routine searches for an available shm_open file name.
 *
 * @return if successful, a non-negative file descriptor is returned and
 * posix_file_name_buff will contain the file name associated with the
 * successful shm_open.  otherwise, -1 is returned and the contents of
 * posix_file_name_buff are undefined.
 */
OPAL_DECLSPEC extern int opal_shmem_posix_shm_open(char *posix_file_name_buff, size_t size);

END_C_DECLS

#endif /* OPAL_SHMEM_POSIX_COMMON_UTILS_H */