1 files changed, 102 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_shutdown.c b/sys/dev/raidframe/rf_shutdown.c
new file mode 100644
index 0000000..7db93e9
--- /dev/null
+++ b/sys/dev/raidframe/rf_shutdown.c
@@ -0,0 +1,102 @@
+/*	$FreeBSD$ */
+/*	$NetBSD: rf_shutdown.c,v 1.6 2000/01/13 23:41:18 oster Exp $	*/
+/*
+ * rf_shutdown.c
+ */
+/*
+ * Copyright (c) 1996 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Jim Zelenka
+ *
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+/*
+ * Maintain lists of cleanup functions. Also, mechanisms for coordinating
+ * thread startup and shutdown.
+ */
+
+#include <dev/raidframe/rf_types.h>
+#include <dev/raidframe/rf_threadstuff.h>
+#include <dev/raidframe/rf_shutdown.h>
+#include <dev/raidframe/rf_debugMem.h>
+#include <dev/raidframe/rf_freelist.h>
+
+static void 
+rf_FreeShutdownEnt(RF_ShutdownList_t * ent)
+{
+	FREE(ent, M_RAIDFRAME);
+}
+
+int 
+_rf_ShutdownCreate(
+    RF_ShutdownList_t ** listp,
+    void (*cleanup) (void *arg),
+    void *arg,
+    char *file,
+    int line)
+{
+	RF_ShutdownList_t *ent;
+
+	/*
+         * Have to directly allocate memory here, since we start up before
+         * and shutdown after RAIDframe internal allocation system.
+         */
+	/* 	ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t), 
+		M_RAIDFRAME, M_WAITOK); */
+	ent = (RF_ShutdownList_t *) malloc(sizeof(RF_ShutdownList_t), 
+					   M_RAIDFRAME, M_NOWAIT);
+	if (ent == NULL)
+		return (ENOMEM);
+	ent->cleanup = cleanup;
+	ent->arg = arg;
+	ent->file = file;
+	ent->line = line;
+	ent->next = *listp;
+	*listp = ent;
+	return (0);
+}
+
+int 
+rf_ShutdownList(RF_ShutdownList_t ** list)
+{
+	RF_ShutdownList_t *r, *next;
+	char   *file;
+	int     line;
+
+	for (r = *list; r; r = next) {
+		next = r->next;
+		file = r->file;
+		line = r->line;
+
+		if (rf_shutdownDebug) {
+			printf("call shutdown, created %s:%d\n", file, line);
+		}
+		r->cleanup(r->arg);
+
+		if (rf_shutdownDebug) {
+			printf("completed shutdown, created %s:%d\n", file, line);
+		}
+		rf_FreeShutdownEnt(r);
+	}
+	*list = NULL;
+	return (0);
+}