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6.3
general documentation
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106 #if defined(SIZEOF_LONG_LONG)
149 #if defined(HAVE_MPI)
488 #if defined(HAVE_MPI)
517 #if defined(HAVE_MPI)
532 #if defined(HAVE_MPI)
553 MPI_Comm *block_comm,
637 #if defined(HAVE_MPI)
669 size_t buf_block_size,
cs_file_t * cs_file_open_default(const char *name, cs_file_mode_t mode)
Create a file descriptor and open the associated file, using the default file communicator and access...
Definition: cs_file.c:2268
size_t cs_file_write_global(cs_file_t *f, const void *buf, size_t size, size_t ni)
Write global data to a file.
Definition: cs_file.c:2572
size_t cs_file_write_block_buffer(cs_file_t *f, void *buf, size_t size, size_t stride, cs_gnum_t global_num_start, cs_gnum_t global_num_end)
Write data to a file, each associated process providing a contiguous part of this data.
Definition: cs_file.c:2947
@ CS_FILE_MPI_COLLECTIVE
Definition: cs_file.h:91
@ CS_FILE_SEEK_END
Definition: cs_file.h:78
int cs_file_isdir(const char *path)
Check if a directory exists.
Definition: cs_file.c:4097
struct _cs_file_serializer_t cs_file_serializer_t
Definition: cs_file.h:59
void cs_file_get_default_access(cs_file_mode_t mode, cs_file_access_t *method, MPI_Info *hints)
Get the default options for file access.
Definition: cs_file.c:3307
char ** cs_file_listdir(const char *path)
List files inside a directory.
Definition: cs_file.c:4144
int cs_file_isreg(const char *path)
Check if a file exists and is a regular file.
Definition: cs_file.c:4051
@ CS_FILE_SEEK_CUR
Definition: cs_file.h:77
cs_file_seek_t
seek semantics (third argument of cs_file_seek)
Definition: cs_file.h:74
#define END_C_DECLS
Definition: cs_defs.h:493
cs_file_t * cs_file_open(const char *name, cs_file_mode_t mode, cs_file_access_t method, MPI_Info hints, MPI_Comm block_comm, MPI_Comm comm)
Create a file descriptor and open the associated file.
Definition: cs_file.c:2126
cs_file_t * cs_file_free(cs_file_t *f)
Destroy a file descriptor and close the associated file.
Definition: cs_file.c:2352
int cs_file_mkdir_default(const char *path)
Create a new directory using default permissions.
Definition: cs_file.c:3976
cs_file_access_t
Shared file access methods.
Definition: cs_file.h:84
#define BEGIN_C_DECLS
Definition: cs_defs.h:492
int cs_file_get_swap_endian(const cs_file_t *f)
Return a file's byte-swapping behavior.
Definition: cs_file.c:2433
size_t cs_file_read_block(cs_file_t *f, void *buf, size_t size, size_t stride, cs_gnum_t global_num_start, cs_gnum_t global_num_end)
Read data to a buffer, distributing a contiguous part of it to each process associated with a file.
Definition: cs_file.c:2702
int cs_file_seek(cs_file_t *f, cs_file_off_t offset, cs_file_seek_t whence)
Update the file pointer according to whence.
Definition: cs_file.c:3079
@ CS_FILE_DEFAULT
Definition: cs_file.h:86
@ CS_FILE_MODE_APPEND
Definition: cs_file.h:68
void cs_file_set_big_endian(cs_file_t *f)
Ensure that data is read or written in big-endian (network standard) format.
Definition: cs_file.c:2399
void cs_file_get_default_comm(int *block_rank_step, MPI_Comm *block_comm, MPI_Comm *comm)
Get default MPI communicator values for file access.
Definition: cs_file.c:3462
@ CS_FILE_MPI_INDIVIDUAL_POINTERS
Definition: cs_file.h:100
cs_file_off_t cs_file_size(const char *path)
Return the size of a file.
Definition: cs_file.c:4203
MPI_Comm cs_file_block_comm(int block_rank_step, MPI_Comm comm)
Create an MPI communicator for distributed block parallel IO.
Definition: cs_file.c:3568
cs_file_serializer_t * cs_file_serializer_create(size_t size, size_t stride, cs_gnum_t global_num_start, cs_gnum_t global_num_end, size_t buf_block_size, void *buf, MPI_Comm comm)
Create a cs_file_serializer_t structure.
Definition: cs_file.c:3779
unsigned long cs_gnum_t
global mesh entity number
Definition: cs_defs.h:283
const char * cs_file_mpi_positioning_name[]
Definition: cs_file.c:292
void cs_file_set_mpi_io_positioning(cs_file_mpi_positioning_t positioning)
Set the positioning method for MPI-IO.
Definition: cs_file.c:3658
cs_file_mpi_positioning_t cs_file_get_mpi_io_positioning(void)
Get the positioning method for MPI-IO.
Definition: cs_file.c:3634
@ CS_FILE_MPI_NON_COLLECTIVE
Definition: cs_file.h:90
cs_file_mpi_positioning_t
MPI-IO positioning methods.
Definition: cs_file.h:97
@ CS_FILE_STDIO_SERIAL
Definition: cs_file.h:87
void cs_file_set_default_access(cs_file_mode_t mode, cs_file_access_t method, MPI_Info hints)
Set the default options for file access.
Definition: cs_file.c:3373
@ CS_FILE_MPI_EXPLICIT_OFFSETS
Definition: cs_file.h:99
size_t cs_file_write_block(cs_file_t *f, const void *buf, size_t size, size_t stride, cs_gnum_t global_num_start, cs_gnum_t global_num_end)
Write data to a file, each associated process providing a contiguous part of this data.
Definition: cs_file.c:2839
void cs_file_defaults_info(void)
Print information on default options for file access.
Definition: cs_file.c:3670
cs_file_t * cs_file_open_serial(const char *name, cs_file_mode_t mode)
Create a file descriptor and open the associated file, using the serial IO on the root rank.
Definition: cs_file.c:2322
void cs_file_set_swap_endian(cs_file_t *f, int swap)
Set a file's byte-swapping behavior.
Definition: cs_file.c:2450
void cs_file_serializer_destroy(cs_file_serializer_t **s)
Destroy a cs_file_serializer_t structure.
Definition: cs_file.c:3811
void cs_file_free_defaults(void)
Free the default options for file access.
Definition: cs_file.c:3262
void * cs_file_serializer_advance(cs_file_serializer_t *s, cs_gnum_t cur_range[2])
Advance a cs_file_serializer_t structure.
Definition: cs_file.c:3844
@ CS_FILE_SEEK_SET
Definition: cs_file.h:76
const char * cs_file_access_name[]
Definition: cs_file.c:282
@ CS_FILE_STDIO_PARALLEL
Definition: cs_file.h:88
#define MPI_Info
Definition: cs_defs.h:90
cs_file_mode_t
File acces modes.
Definition: cs_file.h:64
size_t cs_file_read_global(cs_file_t *f, void *buf, size_t size, size_t ni)
Read global data from a file, distributing it to all processes associated with that file.
Definition: cs_file.c:2474
void cs_file_dump(const cs_file_t *f)
Dump the metadata of a file structure in human readable form.
Definition: cs_file.c:3209
cs_file_off_t cs_file_tell(cs_file_t *f)
Return the position of the file pointer.
Definition: cs_file.c:3168
@ CS_FILE_MODE_WRITE
Definition: cs_file.h:67
const char * cs_file_get_name(const cs_file_t *f)
Return a file's name.
Definition: cs_file.c:2382
int cs_file_remove(const char *path)
Remove a file if it exists and is a regular file or an empty directory.
Definition: cs_file.c:4256
long long cs_file_off_t
Definition: cs_file.h:107
void cs_file_set_default_comm(int block_rank_step, MPI_Comm comm)
Set default MPI communicator values for file access.
Definition: cs_file.c:3514
@ CS_FILE_MODE_READ
Definition: cs_file.h:66
int cs_file_endswith(const char *path, const char *end)
Check if file name/path ends with a specific string.
Definition: cs_file.c:4324
@ CS_FILE_MPI_INDEPENDENT
Definition: cs_file.h:89
struct _cs_file_t cs_file_t
Definition: cs_file.h:54