mirror/hdf5
2
0
Fork 0
mirror of https://github.com/HDFGroup/hdf5.git synced 2025-03-31 17:10:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

[svn-r5218] Purpose:

Browse Source 
New feature
Description:
    Added h5_show_hostname to display the hostname of the host in
    which the process runs.  It can help identify location of process
    in multiple processes or batch launching environments.
Platforms tested:
    Eirene (pp)
This commit is contained in:
Albert Cheng 2002-04-22 12:12:14 -05:00
parent 2c29bc24ff
commit 7527ed7d6f
2 changed files with 46 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
test/h5test.c
View File

@ -503,3 +503,47 @@ h5_no_hwconv(void)
{
H5Tunregister(H5T_PERS_HARD, NULL, -1, -1, NULL);
}
/*-------------------------------------------------------------------------
* Function: h5_show_hostname
*
* Purpose: Show hostname. Show process ID if in MPI environment.
*
* Return: void
*
* Programmer: Albert Cheng
* 2002/04/22
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
h5_show_hostname(void)
{
char hostname[80];
/* try show the process or thread id in multiple processes cases*/
#ifdef H5_HAVE_PARALLEL
{
int mpi_rank, mpi_initialized;
MPI_Initialized(&mpi_initialized);
if (mpi_initialized){
MPI_Comm_rank(MPI_COMM_WORLD,&mpi_rank);
printf("MPI-process %d.", mpi_rank);
}else
printf("thread 0.");
}
#elif defined(H5_HAVE_THREADSAFE)
printf("thread %d.", (int)pthread_self());
#else
printf("thread 0.");
#endif
if (gethostname(hostname, 80) < 0){
printf(" gethostname failed\n");
}
else
printf(" hostname=%s\n", hostname);
}

3
test/h5test.h
View File

@ -1,5 +1,5 @@
/*
* Copyright © 1998 NCSA
* Copyright (c) 1998-2002 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
@ -59,6 +59,7 @@ char *h5_fixname(const char *base_name, hid_t fapl, char *fullname,
hid_t h5_fileaccess(void);
void h5_no_hwconv(void);
void h5_reset(void);
void h5_show_hostname(void);
#ifdef __cplusplus
}