80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/*
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* Copyright (c) 2004-2014 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _SYS_SYSENT_H_
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#define _SYS_SYSENT_H_
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#include <sys/appleapiopts.h>
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#include <sys/cdefs.h>
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#ifdef KERNEL_PRIVATE
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#ifdef __APPLE_API_PRIVATE
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typedef int32_t sy_call_t(struct proc *, void *, int *);
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#if CONFIG_REQUIRES_U32_MUNGING
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typedef void sy_munge_t(void *);
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#endif
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struct sysent { /* system call table */
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sy_call_t *sy_call; /* implementing function */
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#if CONFIG_REQUIRES_U32_MUNGING
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sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */
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#endif
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int32_t sy_return_type; /* system call return types */
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int16_t sy_narg; /* number of args */
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uint16_t sy_arg_bytes; /* Total size of arguments in bytes for
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* 32-bit system calls
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*/
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};
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extern const struct sysent sysent[];
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extern const unsigned int nsysent;
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/*
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* Valid values for sy_cancel
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*/
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#define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */
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#define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */
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#define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */
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/*
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* Valid values for sy_return_type
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*/
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#define _SYSCALL_RET_NONE 0
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#define _SYSCALL_RET_INT_T 1
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#define _SYSCALL_RET_UINT_T 2
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#define _SYSCALL_RET_OFF_T 3
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#define _SYSCALL_RET_ADDR_T 4
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#define _SYSCALL_RET_SIZE_T 5
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#define _SYSCALL_RET_SSIZE_T 6
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#define _SYSCALL_RET_UINT64_T 7
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#endif /* __APPLE_API_PRIVATE */
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#endif /* KERNEL_PRIVATE */
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#endif /* !_SYS_SYSENT_H_ */
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