diff options
Diffstat (limited to 'src/H5CX.c')
| -rw-r--r-- | src/H5CX.c | 57 |
1 files changed, 57 insertions, 0 deletions
@@ -209,6 +209,9 @@ typedef struct H5CX_t { MPI_Datatype btype; /* MPI datatype for buffer, when using collective I/O */ MPI_Datatype ftype; /* MPI datatype for file, when using collective I/O */ hbool_t mpi_file_flushing; /* Whether an MPI-opened file is being flushed */ + + /* Internal: File open settings (not inherently related to parallel but currently only used in parallel) */ + hbool_t disable_file_locking; hbool_t rank0_bcast; /* Whether a dataset meets read-with-rank0-and-bcast requirements */ #endif /* H5_HAVE_PARALLEL */ @@ -1665,6 +1668,32 @@ H5CX_get_mpi_file_flushing(void) /*------------------------------------------------------------------------- + * Function: H5CX_get_disable_file_locking + * + * Purpose: Retrieves the "disable file locking" flag for the current API call context. + * + * Return: TRUE / FALSE on success / <can't fail> + * + * Programmer: Neil Fortner + * August 2, 2018 + * + *------------------------------------------------------------------------- + */ +hbool_t +H5CX_get_disable_file_locking(void) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(head && *head); + + FUNC_LEAVE_NOAPI((*head)->ctx.disable_file_locking) +} /* end H5CX_get_disable_file_locking() */ + + +/*------------------------------------------------------------------------- * Function: H5CX_get_mpio_rank0_bcast * * Purpose: Retrieves if the dataset meets read-with-rank0-and-bcast requirements for the current API call context. @@ -2809,6 +2838,34 @@ H5CX_set_mpi_file_flushing(hbool_t flushing) /*------------------------------------------------------------------------- + * Function: H5CX_set_disable_file_locking + * + * Purpose: Sets the "disable file locking" flag for the current API call context. + * + * Return: <none> + * + * Programmer: Neil Fortner + * August 2, 2018 + * + *------------------------------------------------------------------------- + */ +void +H5CX_set_disable_file_locking(hbool_t disable_file_locking) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(head && *head); + + (*head)->ctx.disable_file_locking = disable_file_locking; + + FUNC_LEAVE_NOAPI_VOID +} /* end H5CX_set_disable_file_locking() */ + + +/*------------------------------------------------------------------------- * Function: H5CX_set_mpio_rank0_bcast * * Purpose: Sets the "dataset meets read-with-rank0-and-bcast requirements" flag for the current API call context. |