freebsd-skq/sys/compat/linux/linux_misc.h
trasz 598f70c8b4 Modify kern___getcwd() to take max pathlen limit as an additional
argument.  This will be used for the Linux emulation layer - for Linux,
PATH_MAX is 4096 and not 1024.

Differential Revision:	https://reviews.freebsd.org/D2335
Reviewed by:	kib@
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
2015-04-21 13:55:24 +00:00

128 lines
4.3 KiB
C

/*-
* Copyright (c) 2006 Roman Divacky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer
* in this position and unchanged.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LINUX_MISC_H_
#define _LINUX_MISC_H_
/*
* Miscellaneous
*/
#define LINUX_NAME_MAX 255
#define LINUX_MAX_UTSNAME 65
#define LINUX_CTL_MAXNAME 10
/* defines for prctl */
#define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */
#define LINUX_PR_GET_PDEATHSIG 2 /*
* Second arg is a ptr to return the
* signal.
*/
#define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */
#define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */
#define LINUX_PR_SET_NAME 15 /* Set process name. */
#define LINUX_PR_GET_NAME 16 /* Get process name. */
#define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */
#define LINUX_MREMAP_MAYMOVE 1
#define LINUX_MREMAP_FIXED 2
#define LINUX_PATH_MAX 4096
extern const char *linux_platform;
/*
* Non-standard aux entry types used in Linux ELF binaries.
*/
#define LINUX_AT_PLATFORM 15 /* String identifying CPU */
#define LINUX_AT_HWCAP 16 /* CPU capabilities */
#define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */
#define LINUX_AT_SECURE 23 /* secure mode boolean */
#define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may
* differ from AT_PLATFORM.
*/
#define LINUX_AT_EXECFN 31 /* filename of program */
/* Linux sets the i387 to extended precision. */
#if defined(__i386__) || defined(__amd64__)
#define __LINUX_NPXCW__ 0x37f
#endif
#define LINUX_CLONE_VM 0x00000100
#define LINUX_CLONE_FS 0x00000200
#define LINUX_CLONE_FILES 0x00000400
#define LINUX_CLONE_SIGHAND 0x00000800
#define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
#define LINUX_CLONE_VFORK 0x00004000
#define LINUX_CLONE_PARENT 0x00008000
#define LINUX_CLONE_THREAD 0x00010000
#define LINUX_CLONE_SETTLS 0x00080000
#define LINUX_CLONE_PARENT_SETTID 0x00100000
#define LINUX_CLONE_CHILD_CLEARTID 0x00200000
#define LINUX_CLONE_CHILD_SETTID 0x01000000
#define LINUX_THREADING_FLAGS \
(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \
LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
/* Scheduling policies */
#define LINUX_SCHED_OTHER 0
#define LINUX_SCHED_FIFO 1
#define LINUX_SCHED_RR 2
struct l_new_utsname {
char sysname[LINUX_MAX_UTSNAME];
char nodename[LINUX_MAX_UTSNAME];
char release[LINUX_MAX_UTSNAME];
char version[LINUX_MAX_UTSNAME];
char machine[LINUX_MAX_UTSNAME];
char domainname[LINUX_MAX_UTSNAME];
};
#define LINUX_CLOCK_REALTIME 0
#define LINUX_CLOCK_MONOTONIC 1
#define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
#define LINUX_CLOCK_THREAD_CPUTIME_ID 3
#define LINUX_CLOCK_REALTIME_HR 4
#define LINUX_CLOCK_MONOTONIC_HR 5
extern int stclohz;
#define __WCLONE 0x80000000
int linux_common_wait(struct thread *td, int pid, int *status,
int options, struct rusage *ru);
int linux_set_upcall_kse(struct thread *td, register_t stack);
int linux_set_cloned_tls(struct thread *td, void *desc);
#endif /* _LINUX_MISC_H_ */