Much normalization with develop (#701)

* Brings CMake updates from develop

* Brings reduction in pedantic casts from develop

* Purges UFAIL from the library (#637)

* Committing clang-format changes

* Purges UFAIL from the library

* H5HL_insert change requested in PR

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

* Removes gratuitous (double)x.yF casts (#632)

* Committing clang-format changes

* Removes gratuitous (double)x.yF casts

* Committing clang-format changes

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

* Committing clang-format changes

* Cleans up a const warning left over from previous constification (#633)

* Committing clang-format changes

* Adds consts to a few global variables

* Cleans up a const warning left over from previous constification

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

* Formatted source

* Bring over some VOL registration changes

* VOL cleanup

* H5VL_request_status_t substitutions

* H5F.c cleanup

* Minor API tweaks from develop

* Moves H5G package init/teardown to H5Gint.c

* H5G cleanup

* H5M cleanup

* H5SM cleanup

* H5T cleanup

* H5R cleanup

* H5Lpublic.h cleanup

* H5L cleanup

* H5O cleanup

* H5A, H5CS, and H5AC cleanup

* Moved H5A init/teardown code to H5Aint.c

* Moves H5D I/O functions to H5D.c

* H5D cleanup

* Misc minor cleanup

* H5P close cleanup

* H5Tpublic.h cleanup

* Fixes err_compat test

* H5PLpublic.h cleanup

* Updates H5Ppublic.h

* H5Fpublic.h updates

* H5A.c cleanup

* Brings over H5Aexists and related changes

* Brings CMake shell testing changes from develop

* Close callback changes

* H5R and H5Tcommit normalization

* err_compat test works now

* H5O tweaks

* Updates VOL registration code

* Brings over H5VL_create_object

* H5Tconv.c reformatting

* H5T.c tweaks

* Brings datatype and reference updates from develop

* Brings VOL plugin loading changes from develop

* Brings event sets from develop

* Brings async functions over

* Tools changes

* Brings over many tools changes from develop

* Brings VOL flags from develop

* Fixes h5dump double/float tests

* Updates h5repack tests

* Brings h5diff test changes from develop

* Last h5dump changes

* Brings test changes from develop

* Committing clang-format changes

* Tidied h5_testing()

* Brings chunk iteration code + misc from develop

* Updates vds test

* Enables external link parallel test

* Brings updated property lists from develop

* H5G changes from develop

* H5MF cleanup

* Brings vfd_swmr test back into CMake

* Updates threadsafe test

* Updates plist test

* Brings recent changes from develop

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

1 files changed, 215 insertions, 0 deletions

diff --git a/src/H5ESlist.c b/src/H5ESlist.c
new file mode 100644
index 0000000..c0e24cc
--- /dev/null
+++ b/src/H5ESlist.c
@@ -0,0 +1,215 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://www.hdfgroup.org/licenses.               *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created:     H5ESlist.c
+ *              Nov  7 2020
+ *	            Quincey Koziol
+ *
+ * Purpose:     Operations on "event lists" for managing asynchronous
+ *                      operations.
+ *
+ *                      Please see the asynchronous I/O RFC document
+ *                      for a full description of how they work, etc.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+
+#include "H5ESmodule.h" /* This source code file is part of the H5ES module */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h"   /* Generic Functions			 */
+#include "H5Eprivate.h"  /* Error handling		  	 */
+#include "H5ESpkg.h"     /* Event Sets                           */
+#include "H5FLprivate.h" /* Free Lists                           */
+
+/****************/
+/* Local Macros */
+/****************/
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+/*-------------------------------------------------------------------------
+ * Function:    H5ES__list_insert
+ *
+ * Purpose:     Append an event into an event list
+ *
+ * Return:      SUCCEED / FAIL
+ *
+ * Programmer:  Quincey Koziol
+ *              Saturday, November 7, 2020
+ *
+ *-------------------------------------------------------------------------
+ */
+void
+H5ES__list_append(H5ES_event_list_t *el, H5ES_event_t *ev)
+{
+    FUNC_ENTER_PACKAGE_NOERR
+
+    /* Sanity check */
+    HDassert(el);
+    HDassert(ev);
+
+    /* Append event onto the event list */
+    if (NULL == el->tail)
+        el->head = el->tail = ev;
+    else {
+        ev->prev       = el->tail;
+        el->tail->next = ev;
+        el->tail       = ev;
+    } /* end else */
+
+    /* Increment the # of events in list */
+    el->count++;
+
+    FUNC_LEAVE_NOAPI_VOID
+} /* end H5ES__list_append() */
+
+/*-------------------------------------------------------------------------
+ * Function:    H5ES__list_count
+ *
+ * Purpose:     Retrieve # of events in an event list
+ *
+ * Return:      SUCCEED / FAIL
+ *
+ * Programmer:  Quincey Koziol
+ *              Saturday, November 7, 2020
+ *
+ *-------------------------------------------------------------------------
+ */
+H5_ATTR_PURE size_t
+H5ES__list_count(const H5ES_event_list_t *el)
+{
+    FUNC_ENTER_PACKAGE_NOERR
+
+    /* Sanity check */
+    HDassert(el);
+
+    FUNC_LEAVE_NOAPI(el->count)
+} /* end H5ES__list_count() */
+
+/*-------------------------------------------------------------------------
+ * Function:    H5ES__list_iterate
+ *
+ * Purpose:     Iterate over events in a list, calling callback for
+ *              each event.
+ *
+ * Note:        Iteration is safe for deleting the current event.  Modifying
+ *              the list in other ways is likely unsafe.
+ *
+ * Return:      SUCCEED / FAIL
+ *
+ * Programmer:  Quincey Koziol
+ *              Saturday, November 7, 2020
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5ES__list_iterate(H5ES_event_list_t *el, H5ES_list_iter_func_t cb, void *ctx)
+{
+    H5ES_event_t *ev;                       /* Event in list */
+    int           ret_value = H5_ITER_CONT; /* Return value */
+
+    FUNC_ENTER_PACKAGE_NOERR
+
+    /* Sanity check */
+    HDassert(el);
+    HDassert(cb);
+
+    /* Iterate over events in list */
+    ev = el->head;
+    while (ev) {
+        H5ES_event_t *tmp; /* Temporary event */
+
+        /* Get pointer to next node, so it's safe if this one is removed */
+        tmp = ev->next;
+
+        /* Perform iterator callback */
+        if ((ret_value = (*cb)(ev, ctx)) != H5_ITER_CONT) {
+            if (ret_value < 0)
+                HERROR(H5E_EVENTSET, H5E_CANTNEXT, "iteration operator failed");
+            break;
+        } /* end if */
+
+        /* Advance to next node */
+        ev = tmp;
+    } /* end while */
+
+    FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5ES__list_iterate() */
+
+/*-------------------------------------------------------------------------
+ * Function:    H5ES__list_remove
+ *
+ * Purpose:     Remove an event from an event list
+ *
+ * Return:      SUCCEED / FAIL
+ *
+ * Programmer:  Houjun Tang
+ *              Thursday, July 30, 2020
+ *
+ *-------------------------------------------------------------------------
+ */
+void
+H5ES__list_remove(H5ES_event_list_t *el, const H5ES_event_t *ev)
+{
+    FUNC_ENTER_PACKAGE_NOERR
+
+    /* Sanity check */
+    HDassert(el);
+    HDassert(el->head);
+    HDassert(ev);
+
+    /* Stitch event out of list */
+    if (ev == el->head)
+        el->head = ev->next;
+    if (NULL != ev->next)
+        ev->next->prev = ev->prev;
+    if (NULL != ev->prev)
+        ev->prev->next = ev->next;
+    if (NULL == el->head)
+        el->tail = NULL;
+
+    /* Decrement the # of events in list */
+    el->count--;
+
+    FUNC_LEAVE_NOAPI_VOID
+} /* end H5ES__list_remove() */