From: short <>
Date: Thu, 16 Jan 2003 03:38:46 +0000 (+0000)
Subject: +src/libcaptive/ex/list.c
X-Git-Tag: captive-0_2~347
X-Git-Url: http://git.jankratochvil.net/?a=commitdiff_plain;h=97db354cb972b5f25ac1f9334e12ce5f23435ae7;p=captive.git

+src/libcaptive/ex/list.c
 - +InterlockedPopEntrySList()
 - +InterlockedPushEntrySList()
---

diff --git a/src/libcaptive/ex/list.c b/src/libcaptive/ex/list.c
new file mode 100644
index 0000000..7f32dad
--- /dev/null
+++ b/src/libcaptive/ex/list.c
@@ -0,0 +1,74 @@
+/* $Id$
+ * reactos list functions emulation of libcaptive
+ * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; exactly version 2 of June 1991 is required
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "config.h"
+
+#include "reactos/ddk/exfuncs.h"
+#include <glib/gmessages.h>
+#include "reactos/ntos/types.h"	/* for PSLIST_ENTRY */
+
+
+/**
+ * InterlockedPopEntrySList:
+ * @ListHead: List to remove the first entry from.
+ * %NULL value is forbidden.
+ *
+ * Function will remove the first item of @ListHead list and returns its entry @PSLIST_ENTRY.
+ * Function should behave in multiprocessing safe way - not handled by libcaptive.
+ *
+ * Returns: The first entry item of @ListHead. Passed @ListHead will have the first item removed.
+ * %NULL value if the list was empty.
+ */
+PSLIST_ENTRY InterlockedPopEntrySList(IN PSLIST_HEADER ListHead)
+{
+KSPIN_LOCK SpinLock;
+
+	g_return_val_if_fail(ListHead!=NULL,NULL);
+
+	/* TODO:thread */
+	KeInitializeSpinLock(&SpinLock);
+	return ExInterlockedPopEntrySList(ListHead,&SpinLock);
+}
+
+
+/**
+ * InterlockedPushEntrySList:
+ * @ListHead: List to insert @ListEntry item to its start.
+ * %NULL value is forbidden.
+ * @ListEntry: List item to insert to @ListHead.
+ * %NULL value is forbidden.
+ *
+ * Function will insert @ListEntry as the first item of @ListHead list.
+ * Function should behave in multiprocessing safe way - not handled by libcaptive.
+ *
+ * Returns: The previous first entry item of @ListHead (currently the second one).
+ * Passed @ListHead will have the first item @ListEntry.
+ * Returns %NULL value if the list was empty.
+ */
+PSLIST_ENTRY InterlockedPushEntrySList(IN PSLIST_HEADER ListHead,IN PSLIST_ENTRY ListEntry)
+{
+KSPIN_LOCK SpinLock;
+
+	g_return_val_if_fail(ListHead!=NULL,NULL);
+	g_return_val_if_fail(ListEntry!=NULL,NULL);
+
+	/* TODO:thread */
+	KeInitializeSpinLock(&SpinLock);
+	return ExInterlockedPushEntrySList(ListHead,ListEntry,&SpinLock);
+}