static MPI_Offset
get_filesize(const char *filename)
{
int mpierr;
MPI_File fd;
MPI_Offset filesize;
#ifndef H5_HAVE_MPI_GET_SIZE
h5_stat_t stat_buf;
#endif
#ifdef H5_HAVE_MPI_GET_SIZE
mpierr = MPI_File_open(MPI_COMM_SELF, (char*)filename, MPI_MODE_RDONLY,
MPI_INFO_NULL, &fd);
VRFY((mpierr == MPI_SUCCESS), "");
mpierr = MPI_File_get_size(fd, &filesize);
VRFY((mpierr == MPI_SUCCESS), "");
mpierr = MPI_File_close(&fd);
VRFY((mpierr == MPI_SUCCESS), "");
#else
/* Some systems (only SGI Altix Propack 4 so far) doesn't return correct
* file size for MPI_File_get_size. Use stat instead.
*/
if((mpierr=HDstat(filename, &stat_buf))<0)
VRFY((mpierr == MPI_SUCCESS), "");
/* Hopefully this casting is safe */
filesize = (MPI_Offset)(stat_buf.st_size);
#endif
return(filesize);
}
/*-------------------------------------------------------------------------
* Function: is_sparse
*
* Purpose: Determines if the file system of the current working
* directory supports holes.
*
* Return: Success: Non-zero if holes are supported; zero
* otherwise.
*
* Failure: zero
*
* Programmer: Robb Matzke
* Wednesday, July 15, 1998
*
*-------------------------------------------------------------------------
*/
static int
is_sparse(void)
{
int fd;
h5_stat_t sb;
if ((fd=HDopen("x.h5", O_RDWR|O_TRUNC|O_CREAT, 0666)) < 0) return 0;
if (HDlseek(fd, (off_t)(1024*1024), SEEK_SET)!=1024*1024) return 0;
if (5!=HDwrite(fd, "hello", (size_t)5)) return 0;
if (HDclose(fd) < 0) return 0;
if (HDstat("x.h5", &sb) < 0) return 0;
if (HDremove("x.h5") < 0) return 0;
#ifdef H5_HAVE_STAT_ST_BLOCKS
return ((unsigned long)sb.st_blocks*512 < (unsigned long)sb.st_size);
#else
return (0);
#endif
}
static void
fill_with_random_data(Bytef *src, uLongf src_len)
{
register unsigned u;
h5_stat_t stat_buf;
if (HDstat("/dev/urandom", &stat_buf) == 0) {
uLongf len = src_len;
Bytef *buf = src;
int fd = HDopen("/dev/urandom", O_RDONLY, 0);
HDfprintf(stdout, "Using /dev/urandom for random data\n");
if (fd < 0)
error(HDstrerror(errno));
for (;;) {
ssize_t rc = HDread(fd, buf, src_len);
if (rc == -1)
error(HDstrerror(errno));
if (rc == (ssize_t)len)
break;
buf += rc;
len -= rc;
}
} else {
HDfprintf(stdout, "Using random() for random data\n");
for (u = 0; u < src_len; ++u)
src[u] = (Bytef)(0xff & HDrandom());
}
if (compress_percent) {
unsigned long s = src_len * compress_percent / 100;
HDmemset(src, '\0', s);
}
}
/*-------------------------------------------------------------------------
* Function: h5_get_file_size
*
* Purpose: Get the current size of a file (in bytes)
*
* Return: Success: Size of file in bytes
* Failure: -1
*
* Programmer: Quincey Koziol
* Saturday, March 22, 2003
*
*-------------------------------------------------------------------------
*/
h5_stat_size_t
h5_get_file_size(const char *filename, hid_t fapl)
{
char temp[2048]; /* Temporary buffer for file names */
h5_stat_t sb; /* Structure for querying file info */
int j = 0;
if(fapl == H5P_DEFAULT) {
/* Get the file's statistics */
if(0 == HDstat(filename, &sb))
return((h5_stat_size_t)sb.st_size);
} /* end if */
else {
hid_t driver; /* VFD used for file */
/* Get the driver used when creating the file */
if((driver = H5Pget_driver(fapl)) < 0)
return(-1);
/* Check for simple cases */
if(driver == H5FD_SEC2 || driver == H5FD_STDIO || driver == H5FD_CORE ||
#ifdef H5_HAVE_PARALLEL
driver == H5FD_MPIO ||
#endif /* H5_HAVE_PARALLEL */
#ifdef H5_HAVE_WINDOWS
driver == H5FD_WINDOWS ||
#endif /* H5_HAVE_WINDOWS */
#ifdef H5_HAVE_DIRECT
driver == H5FD_DIRECT ||
#endif /* H5_HAVE_DIRECT */
driver == H5FD_LOG) {
/* Get the file's statistics */
if(0 == HDstat(filename, &sb))
return((h5_stat_size_t)sb.st_size);
} /* end if */
else if(driver == H5FD_MULTI) {
H5FD_mem_t mt;
h5_stat_size_t tot_size = 0;
HDassert(HDstrlen(multi_letters) == H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt)) {
/* Create the filename to query */
HDsnprintf(temp, sizeof temp, "%s-%c.h5", filename, multi_letters[mt]);
/* Check for existence of file */
if(0 == HDaccess(temp, F_OK)) {
/* Get the file's statistics */
if(0 != HDstat(temp, &sb))
return(-1);
/* Add to total size */
tot_size += (h5_stat_size_t)sb.st_size;
} /* end if */
} /* end for */
/* Return total size */
return(tot_size);
} /* end if */
else if(driver == H5FD_FAMILY) {
h5_stat_size_t tot_size = 0;
/* Try all filenames possible, until we find one that's missing */
for(j = 0; /*void*/; j++) {
/* Create the filename to query */
HDsnprintf(temp, sizeof temp, filename, j);
/* Check for existence of file */
if(HDaccess(temp, F_OK) < 0)
break;
/* Get the file's statistics */
if(0 != HDstat(temp, &sb))
return(-1);
/* Add to total size */
tot_size += (h5_stat_size_t)sb.st_size;
} /* end for */
/* Return total size */
return(tot_size);
} /* end if */
else {
HDassert(0 && "Unknown VFD!");
} /* end else */
} /* end else */
return(-1);
} /* end get_file_size() */
/*-------------------------------------------------------------------------
* Function: h5_fixname
*
* Purpose: Create a file name from a file base name like `test' and
* return it through the FULLNAME (at most SIZE characters
* counting the null terminator). The full name is created by
* prepending the contents of HDF5_PREFIX (separated from the
* base name by a slash) and appending a file extension based on
* the driver supplied, resulting in something like
* `ufs:/u/matzke/test.h5'.
*
* Return: Success: The FULLNAME pointer.
*
* Failure: NULL if BASENAME or FULLNAME is the null
* pointer or if FULLNAME isn't large enough for
* the result.
*
* Programmer: Robb Matzke
* Thursday, November 19, 1998
*
*-------------------------------------------------------------------------
*/
char *
h5_fixname(const char *base_name, hid_t fapl, char *fullname, size_t size)
{
const char *prefix = NULL;
const char *suffix = ".h5"; /* suffix has default */
char *ptr, last = '\0';
size_t i, j;
hid_t driver = -1;
int isppdriver = 0; /* if the driver is MPI parallel */
if (!base_name || !fullname || size < 1)
return NULL;
HDmemset(fullname, 0, size);
/* figure out the suffix */
if(H5P_DEFAULT != fapl) {
if((driver = H5Pget_driver(fapl)) < 0)
return NULL;
if(H5FD_FAMILY == driver)
suffix = "%05d.h5";
else if (H5FD_MULTI == driver)
suffix = NULL;
}
/* Must first check fapl is not H5P_DEFAULT (-1) because H5FD_XXX
* could be of value -1 if it is not defined.
*/
isppdriver = H5P_DEFAULT != fapl && (H5FD_MPIO==driver);
/* Check HDF5_NOCLEANUP environment setting.
* (The #ifdef is needed to prevent compile failure in case MPI is not
* configured.)
*/
if(isppdriver) {
#ifdef H5_HAVE_PARALLEL
if(getenv_all(MPI_COMM_WORLD, 0, "HDF5_NOCLEANUP"))
SetTestNoCleanup();
#endif /* H5_HAVE_PARALLEL */
} else {
if(HDgetenv("HDF5_NOCLEANUP"))
SetTestNoCleanup();
}
/* Check what prefix to use for test files. Process HDF5_PARAPREFIX and
* HDF5_PREFIX.
* Use different ones depending on parallel or serial driver used.
* (The #ifdef is needed to prevent compile failure in case MPI is not
* configured.)
*/
if(isppdriver) {
#ifdef H5_HAVE_PARALLEL
/*
* For parallel:
* First use command line option, then the environment
* variable, then try the constant
*/
static int explained = 0;
prefix = (paraprefix ? paraprefix : getenv_all(MPI_COMM_WORLD, 0, "HDF5_PARAPREFIX"));
if (!prefix && !explained) {
/* print hint by process 0 once. */
int mpi_rank;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
if (mpi_rank == 0)
printf("*** Hint ***\n"
"You can use environment variable HDF5_PARAPREFIX to "
"run parallel test files in a\n"
"different directory or to add file type prefix. E.g.,\n"
" HDF5_PARAPREFIX=pfs:/PFS/user/me\n"
" export HDF5_PARAPREFIX\n"
"*** End of Hint ***\n");
explained = TRUE;
#ifdef HDF5_PARAPREFIX
prefix = HDF5_PARAPREFIX;
#endif /* HDF5_PARAPREFIX */
}
#endif /* H5_HAVE_PARALLEL */
} else {
/*
* For serial:
* First use the environment variable, then try the constant
*/
prefix = HDgetenv("HDF5_PREFIX");
#ifdef HDF5_PREFIX
if (!prefix)
prefix = HDF5_PREFIX;
#endif /* HDF5_PREFIX */
}
/* Prepend the prefix value to the base name */
if (prefix && *prefix) {
if (isppdriver) {
/* This is a parallel system */
char *subdir;
if (!HDstrcmp(prefix, HDF5_PARAPREFIX)) {
/*
* If the prefix specifies the HDF5_PARAPREFIX directory, then
* default to using the "/tmp/$USER" or "/tmp/$LOGIN"
* directory instead.
*/
char *user, *login;
user = HDgetenv("USER");
login = HDgetenv("LOGIN");
subdir = (user ? user : login);
if (subdir) {
for (i = 0; i < size && prefix[i]; i++)
fullname[i] = prefix[i];
fullname[i++] = '/';
for (j = 0; i < size && subdir[j]; ++i, ++j)
fullname[i] = subdir[j];
}
}
if (!fullname[0]) {
/* We didn't append the prefix yet */
HDstrncpy(fullname, prefix, size);
fullname[size -1] = '\0';
}
if (HDstrlen(fullname) + HDstrlen(base_name) + 1 < size) {
/*
* Append the base_name with a slash first. Multiple
* slashes are handled below.
*/
h5_stat_t buf;
if (HDstat(fullname, &buf) < 0)
/* The directory doesn't exist just yet */
if (HDmkdir(fullname, (mode_t)0755) < 0 && errno != EEXIST)
/*
* We couldn't make the "/tmp/${USER,LOGIN}"
* subdirectory. Default to PREFIX's original
* prefix value.
*/
HDstrcpy(fullname, prefix);
HDstrcat(fullname, "/");
HDstrcat(fullname, base_name);
} else {
/* Buffer is too small */
return NULL;
}
} else {
if (HDsnprintf(fullname, size, "%s/%s", prefix, base_name) == (int)size)
/* Buffer is too small */
return NULL;
}
} else if (HDstrlen(base_name) >= size) {
/* Buffer is too small */
return NULL;
} else {
HDstrcpy(fullname, base_name);
}
/* Append a suffix */
if (suffix) {
if (HDstrlen(fullname) + HDstrlen(suffix) >= size)
return NULL;
HDstrcat(fullname, suffix);
}
/* Remove any double slashes in the filename */
for (ptr = fullname, i = j = 0; ptr && i < size; i++, ptr++) {
if (*ptr != '/' || last != '/')
fullname[j++] = *ptr;
last = *ptr;
}
return fullname;
}
/*
* Function: sio_create_filename
* Purpose: Create a new filename to write to. Determine the correct
* suffix to append to the filename by the type of I/O we're
* doing. Also, place in the /tmp/{$USER,$LOGIN} directory if
* USER or LOGIN are specified in the environment.
* Return: Pointer to filename or NULL
* Programmer: Bill Wendling, 21. November 2001
* Modifications: Support for file drivers. Christian Chilan, April, 2008
*/
static char *
sio_create_filename(iotype iot, const char *base_name, char *fullname, size_t size, parameters *param)
{
const char *prefix, *suffix="";
char *ptr, last = '\0';
size_t i, j;
vfdtype vfd;
vfd = param->vfd;
if (!base_name || !fullname || size < 1)
return NULL;
memset(fullname, 0, size);
switch (iot) {
case POSIXIO:
suffix = ".posix";
break;
case HDF5:
suffix = ".h5";
if (vfd == family)
suffix = "%05d.h5";
else if (vfd == multi)
suffix = NULL;
break;
default:
/* unknown request */
HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)iot);
HDassert(0 && "Unknown IO type");
break;
}
/* First use the environment variable and then try the constant */
prefix = HDgetenv("HDF5_PREFIX");
#ifdef HDF5_PREFIX
if (!prefix)
prefix = HDF5_PREFIX;
#endif /* HDF5_PREFIX */
/* Prepend the prefix value to the base name */
if (prefix && *prefix) {
/* If the prefix specifies the HDF5_PREFIX directory, then
* default to using the "/tmp/$USER" or "/tmp/$LOGIN"
* directory instead. */
register char *user, *login, *subdir;
user = HDgetenv("USER");
login = HDgetenv("LOGIN");
subdir = (user ? user : login);
if (subdir) {
for (i = 0; i < size-1 && prefix[i]; i++)
fullname[i] = prefix[i];
fullname[i++] = '/';
for (j = 0; i < size && subdir[j]; i++, j++)
fullname[i] = subdir[j];
} else {
/* We didn't append the prefix yet */
HDstrncpy(fullname, prefix, size);
fullname[size - 1] = '\0';
}
if ((HDstrlen(fullname) + HDstrlen(base_name) + 1) < size) {
/* Append the base_name with a slash first. Multiple slashes are
* handled below. */
h5_stat_t buf;
if (HDstat(fullname, &buf) < 0)
/* The directory doesn't exist just yet */
if (HDmkdir(fullname, 0755) < 0 && errno != EEXIST) {
/* We couldn't make the "/tmp/${USER,LOGIN}" subdirectory.
* Default to PREFIX's original prefix value. */
HDstrcpy(fullname, prefix);
}
HDstrcat(fullname, "/");
HDstrcat(fullname, base_name);
} else {
/* Buffer is too small */
return NULL;
}
} else if (strlen(base_name) >= size) {
/* Buffer is too small */
return NULL;
} else {
HDstrcpy(fullname, base_name);
}
/* Append a suffix */
if (suffix) {
if (HDstrlen(fullname) + HDstrlen(suffix) >= size)
return NULL;
HDstrcat(fullname, suffix);
}
/* Remove any double slashes in the filename */
for (ptr = fullname, i = j = 0; ptr && (i < size); i++, ptr++) {
if (*ptr != '/' || last != '/')
fullname[j++] = *ptr;
last = *ptr;
}
return fullname;
}
/*
* Verify that MPI_Offset exceeding 2**31 can be computed correctly.
* Print any failure as information only, not as an error so that this
* won't abort the remaining test or other separated tests.
*
* Test if MPIO can write file from under 2GB to over 2GB and then
* from under 4GB to over 4GB.
* Each process writes 1MB in round robin fashion.
* Then reads the file back in by reverse order, that is process 0
* reads the data of process n-1 and vice versa.
*/
static int
test_mpio_gb_file(char *filename)
{
int mpi_size, mpi_rank;
MPI_Info info = MPI_INFO_NULL;
int mrc;
MPI_File fh;
int i, j, n;
int vrfyerrs;
int writerrs; /* write errors */
int nerrs;
int ntimes; /* how many times */
char *buf = NULL;
char expected;
MPI_Offset size;
MPI_Offset mpi_off;
MPI_Offset mpi_off_old;
MPI_Status mpi_stat;
h5_stat_t stat_buf;
int is_signed, sizeof_mpi_offset;
nerrs = 0;
/* set up MPI parameters */
MPI_Comm_size(MPI_COMM_WORLD,&mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD,&mpi_rank);
if (VERBOSE_MED)
printf("MPI_Offset range test\n");
/* figure out the signness and sizeof MPI_Offset */
mpi_off = 0;
is_signed = ((MPI_Offset)(mpi_off - 1)) < 0;
sizeof_mpi_offset = (int)(sizeof(MPI_Offset));
/*
* Verify the sizeof MPI_Offset and correctness of handling multiple GB
* sizes.
*/
if (MAINPROCESS){ /* only process 0 needs to check it*/
printf("MPI_Offset is %s %d bytes integeral type\n",
is_signed ? "signed" : "unsigned", (int)sizeof(MPI_Offset));
if (sizeof_mpi_offset <= 4 && is_signed){
printf("Skipped 2GB range test "
"because MPI_Offset cannot support it\n");
}else {
/* verify correctness of assigning 2GB sizes */
mpi_off = 2 * 1024 * (MPI_Offset)MB;
INFO((mpi_off>0), "2GB OFFSET assignment no overflow");
INFO((mpi_off-1)==TWO_GB_LESS1, "2GB OFFSET assignment succeed");
/* verify correctness of increasing from below 2 GB to above 2GB */
mpi_off = TWO_GB_LESS1;
for (i=0; i < 3; i++){
mpi_off_old = mpi_off;
mpi_off = mpi_off + 1;
/* no overflow */
INFO((mpi_off>0), "2GB OFFSET increment no overflow");
/* correct inc. */
INFO((mpi_off-1)==mpi_off_old, "2GB OFFSET increment succeed");
}
}
if (sizeof_mpi_offset <= 4){
printf("Skipped 4GB range test "
"because MPI_Offset cannot support it\n");
}else {
/* verify correctness of assigning 4GB sizes */
mpi_off = 4 * 1024 * (MPI_Offset)MB;
INFO((mpi_off>0), "4GB OFFSET assignment no overflow");
INFO((mpi_off-1)==FOUR_GB_LESS1, "4GB OFFSET assignment succeed");
/* verify correctness of increasing from below 4 GB to above 4 GB */
mpi_off = FOUR_GB_LESS1;
for (i=0; i < 3; i++){
mpi_off_old = mpi_off;
mpi_off = mpi_off + 1;
/* no overflow */
INFO((mpi_off>0), "4GB OFFSET increment no overflow");
/* correct inc. */
INFO((mpi_off-1)==mpi_off_old, "4GB OFFSET increment succeed");
}
}
}
/*
* Verify if we can write to a file of multiple GB sizes.
*/
if (VERBOSE_MED)
printf("MPIO GB file test %s\n", filename);
if (sizeof_mpi_offset <= 4){
printf("Skipped GB file range test "
"because MPI_Offset cannot support it\n");
}else{
buf = malloc(MB);
VRFY((buf!=NULL), "malloc succeed");
/* open a new file. Remove it first in case it exists. */
/* Must delete because MPI_File_open does not have a Truncate mode. */
/* Don't care if it has error. */
MPI_File_delete(filename, MPI_INFO_NULL);
MPI_Barrier(MPI_COMM_WORLD); /* prevent racing condition */
mrc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_CREATE|MPI_MODE_RDWR,
info, &fh);
VRFY((mrc==MPI_SUCCESS), "MPI_FILE_OPEN");
printf("MPIO GB file write test %s\n", filename);
/* instead of writing every bytes of the file, we will just write
* some data around the 2 and 4 GB boundaries. That should cover
* potential integer overflow and filesystem size limits.
*/
writerrs = 0;
for (n=2; n <= 4; n+=2){
ntimes = GB/MB*n/mpi_size + 1;
for (i=ntimes-2; i <= ntimes; i++){
mpi_off = (i*mpi_size + mpi_rank)*(MPI_Offset)MB;
if (VERBOSE_MED)
HDfprintf(stdout,"proc %d: write to mpi_off=%016llx, %lld\n",
mpi_rank, mpi_off, mpi_off);
/* set data to some trivial pattern for easy verification */
for (j=0; j<MB; j++)
*(buf+j) = i*mpi_size + mpi_rank;
if (VERBOSE_MED)
HDfprintf(stdout,"proc %d: writing %d bytes at offset %lld\n",
mpi_rank, MB, mpi_off);
mrc = MPI_File_write_at(fh, mpi_off, buf, MB, MPI_BYTE, &mpi_stat);
INFO((mrc==MPI_SUCCESS), "GB size file write");
if (mrc!=MPI_SUCCESS)
writerrs++;
}
}
/* close file and free the communicator */
mrc = MPI_File_close(&fh);
VRFY((mrc==MPI_SUCCESS), "MPI_FILE_CLOSE");
mrc = MPI_Barrier(MPI_COMM_WORLD);
VRFY((mrc==MPI_SUCCESS), "Sync after writes");
/*
* Verify if we can read the multiple GB file just created.
*/
/* open it again to verify the data written */
/* but only if there was no write errors */
printf("MPIO GB file read test %s\n", filename);
if (errors_sum(writerrs)>0){
printf("proc %d: Skip read test due to previous write errors\n",
mpi_rank);
goto finish;
}
mrc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_RDONLY, info, &fh);
VRFY((mrc==MPI_SUCCESS), "");
/* Only read back parts of the file that have been written. */
for (n=2; n <= 4; n+=2){
ntimes = GB/MB*n/mpi_size + 1;
for (i=ntimes-2; i <= ntimes; i++){
mpi_off = (i*mpi_size + (mpi_size - mpi_rank - 1))*(MPI_Offset)MB;
if (VERBOSE_MED)
HDfprintf(stdout,"proc %d: read from mpi_off=%016llx, %lld\n",
mpi_rank, mpi_off, mpi_off);
mrc = MPI_File_read_at(fh, mpi_off, buf, MB, MPI_BYTE, &mpi_stat);
INFO((mrc==MPI_SUCCESS), "GB size file read");
expected = i*mpi_size + (mpi_size - mpi_rank - 1);
vrfyerrs=0;
for (j=0; j<MB; j++){
if ((*(buf+j) != expected) &&
(vrfyerrs++ < MAX_ERR_REPORT || VERBOSE_MED)){
printf("proc %d: found data error at [%ld+%d], expect %d, got %d\n",
mpi_rank, (long)mpi_off, j, expected, *(buf+j));
}
}
if (vrfyerrs > MAX_ERR_REPORT && !VERBOSE_MED)
printf("proc %d: [more errors ...]\n", mpi_rank);
nerrs += vrfyerrs;
}
}
/* close file and free the communicator */
mrc = MPI_File_close(&fh);
VRFY((mrc==MPI_SUCCESS), "MPI_FILE_CLOSE");
/*
* one more sync to ensure all processes have done reading
* before ending this test.
*/
mrc = MPI_Barrier(MPI_COMM_WORLD);
VRFY((mrc==MPI_SUCCESS), "Sync before leaving test");
/*
* Check if MPI_File_get_size works correctly. Some systems (only SGI Altix
* Propack 4 so far) return wrong file size. It can be avoided by reconfiguring
* with "--disable-mpi-size".
*/
#ifdef H5_HAVE_MPI_GET_SIZE
printf("Test if MPI_File_get_size works correctly with %s\n", filename);
mrc = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_RDONLY, info, &fh);
VRFY((mrc==MPI_SUCCESS), "");
if (MAINPROCESS){ /* only process 0 needs to check it*/
mrc = MPI_File_get_size(fh, &size);
VRFY((mrc==MPI_SUCCESS), "");
mrc=HDstat(filename, &stat_buf);
VRFY((mrc==0), "");
/* Hopefully this casting is safe */
if(size != (MPI_Offset)(stat_buf.st_size)) {
printf("Warning: MPI_File_get_size doesn't return correct file size. To avoid using it in the library, reconfigure and rebuild the library with --disable-mpi-size.\n");
}
}
/* close file and free the communicator */
mrc = MPI_File_close(&fh);
VRFY((mrc==MPI_SUCCESS), "MPI_FILE_CLOSE");
/*
* one more sync to ensure all processes have done reading
* before ending this test.
*/
mrc = MPI_Barrier(MPI_COMM_WORLD);
VRFY((mrc==MPI_SUCCESS), "Sync before leaving test");
#else
printf("Skipped testing MPI_File_get_size because it's disabled\n");
#endif
}
finish:
if (buf)
HDfree(buf);
return (nerrs);
}