diff options
Diffstat (limited to 'src/H5private.h')
| -rw-r--r-- | src/H5private.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/H5private.h b/src/H5private.h index 68aabc2..d67163f 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -387,6 +387,25 @@ #define HSSIZET_MAX ((hssize_t)LLONG_MAX) #define HSSIZET_MIN (~(HSSIZET_MAX)) +#ifdef H5_HAVE_PARALLEL + +/* Define a type for safely sending size_t values with MPI */ +#if SIZE_MAX == UCHAR_MAX +#define H5_SIZE_T_AS_MPI_TYPE MPI_UNSIGNED_CHAR +#elif SIZE_MAX == USHRT_MAX +#define H5_SIZE_T_AS_MPI_TYPE MPI_UNSIGNED_SHORT +#elif SIZE_MAX == UINT_MAX +#define H5_SIZE_T_AS_MPI_TYPE MPI_UNSIGNED +#elif SIZE_MAX == ULONG_MAX +#define H5_SIZE_T_AS_MPI_TYPE MPI_UNSIGNED_LONG +#elif SIZE_MAX == ULLONG_MAX +#define H5_SIZE_T_AS_MPI_TYPE MPI_UNSIGNED_LONG_LONG +#else +#error "no suitable MPI type for size_t" +#endif + +#endif /* H5_HAVE_PARALLEL */ + /* * Types and max sizes for POSIX I/O. * OS X (Darwin) is odd since the max I/O size does not match the types. @@ -508,6 +527,9 @@ #define H5_GCC_CLANG_DIAG_ON(x) #endif +/* Function pointer typedef for qsort */ +typedef int (*H5_sort_func_cb_t)(const void *, const void *); + /* Typedefs and functions for timing certain parts of the library. */ /* A set of elapsed/user/system times emitted as a time point by the @@ -2617,6 +2639,14 @@ H5_DLL herr_t H5_mpi_comm_cmp(MPI_Comm comm1, MPI_Comm comm2, int *result); H5_DLL herr_t H5_mpi_info_cmp(MPI_Info info1, MPI_Info info2, int *result); H5_DLL herr_t H5_mpio_create_large_type(hsize_t num_elements, MPI_Aint stride_bytes, MPI_Datatype old_type, MPI_Datatype *new_type); +H5_DLL herr_t H5_mpio_gatherv_alloc(void *send_buf, int send_count, MPI_Datatype send_type, + const int recv_counts[], const int displacements[], + MPI_Datatype recv_type, hbool_t allgather, int root, MPI_Comm comm, + int mpi_rank, int mpi_size, void **out_buf, size_t *out_buf_num_entries); +H5_DLL herr_t H5_mpio_gatherv_alloc_simple(void *send_buf, int send_count, MPI_Datatype send_type, + MPI_Datatype recv_type, hbool_t allgather, int root, MPI_Comm comm, + int mpi_rank, int mpi_size, void **out_buf, + size_t *out_buf_num_entries); #endif /* H5_HAVE_PARALLEL */ /* Functions for debugging */ |