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-rw-r--r--src/H5.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/H5.c b/src/H5.c
index 1585dd3..7142234 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -83,6 +83,8 @@ hbool_t H5_libinit_g = FALSE; /* Library hasn't been initialized */
hbool_t H5_libterm_g = FALSE; /* Library isn't being shutdown */
#endif
+hbool_t H5_use_selection_io_g = FALSE;
+
#ifdef H5_HAVE_MPE
hbool_t H5_MPEinit_g = FALSE; /* MPE Library hasn't been initialized */
#endif
@@ -144,7 +146,8 @@ herr_t
H5_init_library(void)
{
size_t i;
- herr_t ret_value = SUCCEED;
+ char * env_use_select_io = NULL;
+ herr_t ret_value = SUCCEED;
FUNC_ENTER_NOAPI(FAIL)
@@ -288,6 +291,14 @@ H5_init_library(void)
}
/* clang-format on */
+ /* Check for HDF5_USE_SELECTION_IO env variable */
+ env_use_select_io = HDgetenv("HDF5_USE_SELECTION_IO");
+ if (NULL != env_use_select_io && HDstrcmp(env_use_select_io, "") && HDstrcmp(env_use_select_io, "0") &&
+ HDstrcmp(env_use_select_io, "no") && HDstrcmp(env_use_select_io, "No") &&
+ HDstrcmp(env_use_select_io, "NO") && HDstrcmp(env_use_select_io, "false") &&
+ HDstrcmp(env_use_select_io, "False") && HDstrcmp(env_use_select_io, "FALSE"))
+ H5_use_selection_io_g = TRUE;
+
/* Debugging? */
H5__debug_mask("-all");
H5__debug_mask(HDgetenv("HDF5_DEBUG"));