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authorDana Robinson <derobins@hdfgroup.org>2020-06-22 08:38:56 (GMT)
committerDana Robinson <derobins@hdfgroup.org>2020-06-22 08:38:56 (GMT)
commit3c9eaf294fb1862af75837f0150990112c735530 (patch)
tree4e528337878a2ddf67a1ff92c1190e1174bfa838 /src
parent4cb14e5ccad42352d5957104f28fe3c0e05b7bd5 (diff)
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Reduce overhead for H5open, which is involved in the public symbols like H5T_NATIVE_INT, etc.
Diffstat (limited to 'src')
-rw-r--r--src/H5.c8
-rw-r--r--src/H5private.h29
2 files changed, 32 insertions, 5 deletions
diff --git a/src/H5.c b/src/H5.c
index cf1ad6b..ed09c7c 100644
--- a/src/H5.c
+++ b/src/H5.c
@@ -846,11 +846,13 @@ H5open(void)
{
herr_t ret_value=SUCCEED; /* Return value */
- FUNC_ENTER_API_NOCLEAR(FAIL)
- H5TRACE0("e","");
+ FUNC_ENTER_API_NOPUSH(FAIL)
+ /*NO TRACE*/
+
/* all work is done by FUNC_ENTER() */
+
done:
- FUNC_LEAVE_API(ret_value)
+ FUNC_LEAVE_API_NOPUSH(ret_value)
} /* end H5open() */
diff --git a/src/H5private.h b/src/H5private.h
index 4cca41d..c628fcf 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -2115,8 +2115,9 @@ H5_DLL herr_t H5CX_pop(void);
} /* end if */ \
\
/* Initialize the package, if appropriate */ \
- H5_PACKAGE_INIT(H5_MY_PKG_INIT, err) \
- \
+ H5_PACKAGE_INIT(H5_MY_PKG_INIT, err)
+
+#define FUNC_ENTER_API_PUSH(err) \
/* Push the name of this function on the function stack */ \
H5_PUSH_FUNC \
\
@@ -2130,6 +2131,7 @@ H5_DLL herr_t H5CX_pop(void);
#define FUNC_ENTER_API(err) {{ \
FUNC_ENTER_API_COMMON \
FUNC_ENTER_API_INIT(err); \
+ FUNC_ENTER_API_PUSH(err); \
/* Clear thread error stack entering public functions */ \
H5E_clear_stack(NULL); \
{
@@ -2141,6 +2143,7 @@ H5_DLL herr_t H5CX_pop(void);
#define FUNC_ENTER_API_NOCLEAR(err) {{ \
FUNC_ENTER_API_COMMON \
FUNC_ENTER_API_INIT(err); \
+ FUNC_ENTER_API_PUSH(err); \
{
/*
@@ -2169,6 +2172,18 @@ H5_DLL herr_t H5CX_pop(void);
BEGIN_MPE_LOG \
{
+/*
+ * Use this macro for API functions that should only perform initialization
+ * of the library or an interface, but not push any state (API context,
+ * function name, start MPE logging, etc) examples are: H5open.
+ *
+ */
+#define FUNC_ENTER_API_NOPUSH(err) {{{{{ \
+ FUNC_ENTER_COMMON(H5_IS_API(FUNC)); \
+ FUNC_ENTER_API_THREADSAFE; \
+ FUNC_ENTER_API_INIT(err); \
+ {
+
/* Note: this macro only works when there's _no_ interface initialization routine for the module */
#define FUNC_ENTER_NOAPI_INIT(err) \
/* Initialize the package, if appropriate */ \
@@ -2358,6 +2373,16 @@ H5_DLL herr_t H5CX_pop(void);
return(ret_value); \
}}}} /*end scope from beginning of FUNC_ENTER*/
+/* Use this macro to match the FUNC_ENTER_API_NOPUSH macro */
+#define FUNC_LEAVE_API_NOPUSH(ret_value) \
+ ; \
+ } /*end scope from end of FUNC_ENTER*/ \
+ if(err_occurred) \
+ (void)H5E_dump_api_stack(TRUE); \
+ FUNC_LEAVE_API_THREADSAFE \
+ return(ret_value); \
+}}}}} /*end scope from beginning of FUNC_ENTER*/
+
#define FUNC_LEAVE_NOAPI(ret_value) \
; \
} /*end scope from end of FUNC_ENTER*/ \