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-rw-r--r--src/H5FDmpio.c94
-rw-r--r--src/H5FDprivate.h4
-rw-r--r--src/H5Fmpi.c82
-rw-r--r--src/H5Fpublic.h4
4 files changed, 184 insertions, 0 deletions
diff --git a/src/H5FDmpio.c b/src/H5FDmpio.c
index d780ceb..6dbe831 100644
--- a/src/H5FDmpio.c
+++ b/src/H5FDmpio.c
@@ -876,6 +876,100 @@ fprintf(stderr, "leaving H5FD_mpio_fapl_free\n");
/*-------------------------------------------------------------------------
+ * Function: H5FD_set_mpio_atomicity
+ *
+ * Purpose: Sets the atomicity mode
+ *
+ * Return: Success: Non-negative
+ *
+ * Failure: Negative
+ *
+ * Programmer: Mohamad Chaarawi
+ * Feb 14, 2012
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FD_set_mpio_atomicity(H5FD_t *_file, hbool_t flag)
+{
+ H5FD_mpio_t *file = (H5FD_mpio_t*)_file;
+ int mpi_code; /* MPI return code */
+ int temp_flag;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+#ifdef H5FDmpio_DEBUG
+ if (H5FD_mpio_Debug[(int)'t'])
+ fprintf(stdout, "Entering H5FD_set_mpio_atomicity\n");
+#endif
+
+ if (FALSE == flag)
+ temp_flag = 0;
+ else
+ temp_flag = 1;
+
+ /* set atomicity value */
+ if (MPI_SUCCESS != (mpi_code=MPI_File_set_atomicity(file->f, temp_flag)))
+ HMPI_GOTO_ERROR(FAIL, "MPI_File_set_atomicity", mpi_code)
+
+done:
+#ifdef H5FDmpio_DEBUG
+ if (H5FD_mpio_Debug[(int)'t'])
+ fprintf(stdout, "Leaving H5FD_set_mpio_atomicity\n");
+#endif
+ FUNC_LEAVE_NOAPI(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5FD_get_mpio_atomicity
+ *
+ * Purpose: Returns the atomicity mode
+ *
+ * Return: Success: Non-negative
+ *
+ * Failure: Negative
+ *
+ * Programmer: Mohamad Chaarawi
+ * Feb 14, 2012
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5FD_get_mpio_atomicity(H5FD_t *_file, hbool_t *flag)
+{
+ H5FD_mpio_t *file = (H5FD_mpio_t*)_file;
+ int mpi_code; /* MPI return code */
+ int temp_flag;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT
+
+#ifdef H5FDmpio_DEBUG
+ if (H5FD_mpio_Debug[(int)'t'])
+ fprintf(stdout, "Entering H5FD_get_mpio_atomicity\n");
+#endif
+
+ /* get atomicity value */
+ if (MPI_SUCCESS != (mpi_code=MPI_File_get_atomicity(file->f, &temp_flag)))
+ HMPI_GOTO_ERROR(FAIL, "MPI_File_get_atomicity", mpi_code)
+
+ if (0 != temp_flag)
+ *flag = TRUE;
+ else
+ *flag = FALSE;
+
+done:
+#ifdef H5FDmpio_DEBUG
+ if (H5FD_mpio_Debug[(int)'t'])
+ fprintf(stdout, "Leaving H5FD_get_mpio_atomicity\n");
+#endif
+ FUNC_LEAVE_NOAPI(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
* Function: H5FD_mpio_open
*
* Purpose: Opens a file with name NAME. The FLAGS are a bit field with
diff --git a/src/H5FDprivate.h b/src/H5FDprivate.h
index fe770d2..4f7d059 100644
--- a/src/H5FDprivate.h
+++ b/src/H5FDprivate.h
@@ -105,6 +105,10 @@ H5_DLL herr_t H5FD_get_fileno(const H5FD_t *file, unsigned long *filenum);
H5_DLL herr_t H5FD_get_vfd_handle(H5FD_t *file, hid_t fapl, void** file_handle);
H5_DLL herr_t H5FD_set_base_addr(H5FD_t *file, haddr_t base_addr);
H5_DLL haddr_t H5FD_get_base_addr(const H5FD_t *file);
+#ifdef H5_HAVE_PARALLEL
+H5_DLL herr_t H5FD_set_mpio_atomicity(H5FD_t *file, hbool_t flag);
+H5_DLL herr_t H5FD_get_mpio_atomicity(H5FD_t *file, hbool_t *flag);
+#endif /* H5_HAVE_PARALLEL */
#endif /* !_H5FDprivate_H */
diff --git a/src/H5Fmpi.c b/src/H5Fmpi.c
index 4fd04f6..0f612be 100644
--- a/src/H5Fmpi.c
+++ b/src/H5Fmpi.c
@@ -38,6 +38,8 @@
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* File access */
#include "H5FDmpi.h" /* MPI-based file drivers */
+#include "H5FDprivate.h" /* File drivers */
+#include "H5Iprivate.h" /* IDs */
/****************/
@@ -177,5 +179,85 @@ H5F_mpi_get_size(const H5F_t *f)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_mpi_get_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Fset_mpi_atomicity
+ *
+ * Purpose: Sets the atomicity mode
+ *
+ * Return: Success: Non-negative
+ *
+ * Failure: Negative
+ *
+ * Programmer: Mohamad Chaarawi
+ * Feb 14, 2012
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag)
+{
+ H5F_t *file;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "iMi", file_id, flag);
+
+ /* Check args */
+ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID")
+
+ /* Check VFD */
+ if(!IS_H5FD_MPIO(file))
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "incorrect VFL driver, must use MPI-I/O driver")
+
+ /* set atomicity value */
+ if (H5FD_set_mpio_atomicity (file->shared->lf, flag) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set atomicity flag")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Fget_mpi_atomicity
+ *
+ * Purpose: Returns the atomicity mode
+ *
+ * Return: Success: Non-negative
+ *
+ * Failure: Negative
+ *
+ * Programmer: Mohamad Chaarawi
+ * Feb 14, 2012
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Fget_mpi_atomicity(hid_t file_id, hbool_t *flag)
+{
+ H5F_t *file;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "iMi", file_id, flag);
+
+ /* Check args */
+ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID")
+
+ /* Check VFD */
+ if(!IS_H5FD_MPIO(file))
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "incorrect VFL driver, must use MPI-I/O driver")
+
+ /* get atomicity value */
+ if (H5FD_get_mpio_atomicity (file->shared->lf, flag) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get atomicity flag")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+}
#endif /* H5_HAVE_PARALLEL */
diff --git a/src/H5Fpublic.h b/src/H5Fpublic.h
index 75a3547..d88538b 100644
--- a/src/H5Fpublic.h
+++ b/src/H5Fpublic.h
@@ -208,6 +208,10 @@ H5_DLL herr_t H5Fget_info2(hid_t obj_id, H5F_info2_t *finfo);
H5_DLL ssize_t H5Fget_free_sections(hid_t file_id, H5F_mem_t type,
size_t nsects, H5F_sect_info_t *sect_info/*out*/);
H5_DLL herr_t H5Fclear_elink_file_cache(hid_t file_id);
+#ifdef H5_HAVE_PARALLEL
+H5_DLL herr_t H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag);
+H5_DLL herr_t H5Fget_mpi_atomicity(hid_t file_id, hbool_t *flag);
+#endif /* H5_HAVE_PARALLEL */
/* Symbols defined for compatibility with previous versions of the HDF5 API.
*
generated by cgit v0.12 at 2024-10-30 03:58:10 (GMT)