Initial revision

git-svn-id: https://labs.omniti.com/portableumem/trunk@2 1665872d-e22b-0410-9e5d-a57ad4215e6d

1 files changed, 86 insertions, 0 deletions

diff --git a/umem.h b/umem.h
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+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _UMEM_H
+#define	_UMEM_H
+
+/* #pragma ident	"@(#)umem.h	1.3	05/06/08 SMI" */
+
+#include <sys/types.h>
+#include <sys/vmem.h>
+#include <stdlib.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	UMEM_DEFAULT	0x0000	/* normal -- may fail */
+#define	UMEM_NOFAIL	0x0100	/* Never fails -- may call exit(2) */
+
+#define	UMEM_FLAGS	0xffff	/* all settable umem flags */
+
+extern void *umem_alloc(size_t, int);
+extern void *umem_alloc_align(size_t, size_t, int);
+extern void *umem_zalloc(size_t, int);
+extern void umem_free(void *, size_t);
+extern void umem_free_align(void *, size_t);
+
+/*
+ * Flags for umem_cache_create()
+ */
+#define	UMC_NOTOUCH	0x00010000
+#define	UMC_NODEBUG	0x00020000
+#define	UMC_NOMAGAZINE	0x00040000
+#define	UMC_NOHASH	0x00080000
+
+struct umem_cache;		/* cache structure is opaque to umem clients */
+
+typedef struct umem_cache umem_cache_t;
+typedef int umem_constructor_t(void *, void *, int);
+typedef void umem_destructor_t(void *, void *);
+typedef void umem_reclaim_t(void *);
+
+typedef int umem_nofail_callback_t(void);
+#define	UMEM_CALLBACK_RETRY		0
+#define	UMEM_CALLBACK_EXIT(status)	(0x100 | ((status) & 0xFF))
+
+extern void umem_nofail_callback(umem_nofail_callback_t *);
+
+extern umem_cache_t *umem_cache_create(char *, size_t,
+    size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
+    void *, vmem_t *, int);
+extern void umem_cache_destroy(umem_cache_t *);
+
+extern void *umem_cache_alloc(umem_cache_t *, int);
+extern void umem_cache_free(umem_cache_t *, void *);
+
+extern void umem_reap(void);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _UMEM_H */