/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/* static templates are slower and bigger */
/* #define UseStaticTemplates 0 */
-#include <mach/kern_return.h>
-#include <mach/port.h>
+#include <sys/appleapiopts.h>
+#include <stdint.h>
+#include <mach/port.h>
+#include <mach/boolean.h>
+#include <mach/kern_return.h>
+#include <mach/machine/vm_types.h>
/*
* The timeout mechanism uses mach_msg_timeout_t values,
#define MACH_MSG_SIZE_MAX ((mach_msg_size_t) ~0)
+#ifdef __APPLE_API_OBSOLETE
/*
* Compatibility definitions, for code written
* when there was a msgh_kind instead of msgh_seqno.
*/
-
#define MACH_MSGH_KIND_NORMAL 0x00000000
-#if 0
-/* code using this is likely to break, so better not to have it defined */
#define MACH_MSGH_KIND_NOTIFICATION 0x00000001
-#endif
#define msgh_kind msgh_seqno
#define mach_msg_kind_t mach_port_seqno_t
+#endif /* __APPLE_API_OBSOLETE */
/*
* The msgt_number field specifies the number of data elements.
#define MACH_RCV_TRAILER_ELEMENTS(x) (((x) & 0xf) << 24)
#define MACH_RCV_TRAILER_MASK ((0xff << 24))
-extern mach_msg_trailer_size_t trailer_size[];
-
#define GET_RCV_ELEMENTS(y) (((y) >> 24) & 0xf)
-#define REQUESTED_TRAILER_SIZE(y) (trailer_size[GET_RCV_ELEMENTS(y)])
-
+#define REQUESTED_TRAILER_SIZE(y) \
+ ((mach_msg_trailer_size_t) \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_NULL) ? \
+ sizeof(mach_msg_trailer_t) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SEQNO) ? \
+ sizeof(mach_msg_seqno_trailer_t) : \
+ sizeof(mach_msg_security_trailer_t))))
/*
* Much code assumes that mach_msg_return_t == kern_return_t.
* This definition is useful for descriptive purposes.
#define MACH_SEND_INVALID_TRAILER 0x10000011
/* The trailer to be sent does not match kernel format. */
#define MACH_SEND_INVALID_RT_OOL_SIZE 0x10000015
- /* The OOL buffer size is too large for RT behavior */
+ /* compatibility: no longer a returned error */
#define MACH_RCV_IN_PROGRESS 0x10004001
/* Thread is waiting for receive. (Internal use only.) */
#define MACH_RCV_INTERRUPTED 0x10004005
/* Software interrupt. */
#define MACH_RCV_PORT_CHANGED 0x10004006
- /* Port moved into a set during the receive. */
+ /* compatibility: no longer a returned error */
#define MACH_RCV_INVALID_NOTIFY 0x10004007
/* Bogus notify port argument. */
#define MACH_RCV_INVALID_DATA 0x10004008
#define MACH_RCV_PORT_DIED 0x10004009
/* Port/set was sent away/died during receive. */
#define MACH_RCV_IN_SET 0x1000400a
- /* Port is a member of a port set. */
+ /* compatibility: no longer a returned error */
#define MACH_RCV_HEADER_ERROR 0x1000400b
/* Error receiving message header. See special bits. */
#define MACH_RCV_BODY_ERROR 0x1000400c
#define MACH_RCV_IN_PROGRESS_TIMED 0x10004011
/* Waiting for receive with timeout. (Internal use only.) */
+/*
+ * Routine: mach_msg_overwrite
+ * Purpose:
+ * Send and/or receive a message. If the message operation
+ * is interrupted, and the user did not request an indication
+ * of that fact, then restart the appropriate parts of the
+ * operation silently (trap version does not restart).
+ *
+ * Distinct send and receive buffers may be specified. If
+ * no separate receive buffer is specified, the msg parameter
+ * will be used for both send and receive operations.
+ *
+ * In addition to a distinct receive buffer, that buffer may
+ * already contain scatter control information to direct the
+ * receiving of the message.
+ */
+#ifdef __APPLE_API_PRIVATE
extern mach_msg_return_t mach_msg_overwrite_trap(
mach_msg_header_t *msg,
mach_msg_option_t option,
mach_port_name_t notify,
mach_msg_header_t *rcv_msg,
mach_msg_size_t rcv_limit);
+#endif /* __APPLE_API_PRIVATE */
extern mach_msg_return_t mach_msg_overwrite(
mach_msg_header_t *msg,
mach_msg_header_t *rcv_msg,
mach_msg_size_t rcv_limit);
+/*
+ * Routine: mach_msg
+ * Purpose:
+ * Send and/or receive a message. If the message operation
+ * is interrupted, and the user did not request an indication
+ * of that fact, then restart the appropriate parts of the
+ * operation silently (trap version does not restart).
+ */
+#ifdef __APPLE_API_PRIVATE
extern mach_msg_return_t mach_msg_trap(
mach_msg_header_t *msg,
mach_msg_option_t option,
mach_port_name_t rcv_name,
mach_msg_timeout_t timeout,
mach_port_name_t notify);
+#endif /* __APPLE_API_PRIVATE */
extern mach_msg_return_t mach_msg(
mach_msg_header_t *msg,
projects / apple / xnu.git / blobdiff