lx_misc.h revision 02d01c31ba7ee6d64f721314f74aeb25937f95bc
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_LX_H
#define _SYS_LX_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <alloca.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/lwp.h>
#include <sys/lx_brand.h>
#ifdef __cplusplus
extern "C" {
#endif
extern char lx_release[128];
extern pid_t zoneinit_pid;
/*
* Support for the unfortunate RPM race condition workaround.
*/
extern int lx_rpm_delay;
extern boolean_t lx_is_rpm;
/*
* Values Linux expects for init
*/
#define LX_INIT_PGID 0
#define LX_INIT_SID 0
#define LX_INIT_PID 1
/*
* Codes to reboot(2).
*/
#define LINUX_REBOOT_MAGIC1 0xfee1dead
#define LINUX_REBOOT_MAGIC2 672274793
#define LINUX_REBOOT_MAGIC2A 85072278
#define LINUX_REBOOT_MAGIC2B 369367448
#define LINUX_REBOOT_MAGIC2C 537993216
/*
* This was observed as coming from Red Hat's init process, but it's not in
* their reboot(2) man page.
*/
#define LINUX_REBOOT_MAGIC2D 0x28121969
#define LINUX_REBOOT_CMD_RESTART 0x1234567
#define LINUX_REBOOT_CMD_HALT 0xcdef0123
#define LINUX_REBOOT_CMD_POWER_OFF 0x4321fedc
#define LINUX_REBOOT_CMD_RESTART2 0xa1b2c3d4
#define LINUX_REBOOT_CMD_CAD_ON 0x89abcdef
#define LINUX_REBOOT_CMD_CAD_OFF 0
/*
* the maximum length of messages to be output with lx_msg(), lx_err(),
* lx_debug(), or lx_unsupported().
*/
#define LX_MSG_MAXLEN (128 + MAXPATHLEN)
/*
* Linux scheduler priority ranges.
*/
#define LX_SCHED_PRIORITY_MIN_OTHER 0
#define LX_SCHED_PRIORITY_MAX_OTHER 0
#define LX_SCHED_PRIORITY_MIN_RRFIFO 1
#define LX_SCHED_PRIORITY_MAX_RRFIFO 99
/*
* Constants to indicate who getrusage() should return information about.
*/
#define LX_RUSAGE_SELF 0
#define LX_RUSAGE_CHILDREN (-1)
/*
* normally we never want to write to stderr or stdout because it's unsafe
* to make assumptions about the underlying file descriptors. to protect
* against writes to these file descriptors we go ahead and close them
* our brand process initalization code. but there are still occasions
* where we are willing to make assumptions about our file descriptors
* and write to them. at thes times we should use one lx_msg() or
* lx_msg_error()
*/
extern void lx_msg(char *, ...);
extern void lx_err(char *, ...);
extern void lx_err_fatal(char *, ...);
extern void lx_unsupported(char *, ...);
struct ucontext;
extern void lx_handler_table(void);
extern void lx_handler_trace_table(void);
extern void lx_emulate_done(void);
extern lx_regs_t *lx_syscall_regs(void);
extern char *lx_fd_to_path(int fd, char *buf, int buf_size);
extern int lx_lpid_to_spair(pid_t, pid_t *, lwpid_t *);
extern int lx_lpid_to_spid(pid_t, pid_t *);
extern int lx_ptrace_wait(siginfo_t *);
extern void lx_ptrace_fork(void);
extern int lx_check_alloca(size_t);
#define SAFE_ALLOCA(sz) (lx_check_alloca(sz) ? alloca(sz) : NULL)
/*
* NO_UUCOPY disables calls to the uucopy* system calls to help with
* debugging brand library accesses to linux application memory.
*/
#ifdef NO_UUCOPY
int uucopy_unsafe(const void *src, void *dst, size_t n);
int uucopystr_unsafe(const void *src, void *dst, size_t n);
#define uucopy(src, dst, n) uucopy_unsafe((src), (dst), (n))
#define uucopystr(src, dst, n) uucopystr_unsafe((src), (dst), (n))
#endif /* NO_UUCOPY */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_LX_H */