freebsd-dev/sys/compat/linux/linux_misc.h
Dmitry Chagin 5743aa47f5 More complete implementation of /proc/self/limits.
Fix the way the code accesses process limits struct - pointed out by mjg@.

PR:		207386
Reviewed by:	no objection form des@
MFC after:	3 weeks
2016-04-10 07:11:29 +00:00

165 lines
5.4 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_
#include <sys/sysctl.h>
/* bits per mask */
#define LINUX_NFDBITS sizeof(l_fd_mask) * 8
/*
* 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_kplatform;
/*
* 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_RANDOM 25 /* address of random bytes */
#define LINUX_AT_EXECFN 31 /* filename of program */
#define LINUX_AT_SYSINFO 32 /* vsyscall */
#define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */
#define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */
/* 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
/* 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
#define LINUX_UTIME_NOW 0x3FFFFFFF
#define LINUX_UTIME_OMIT 0x3FFFFFFE
extern int stclohz;
#define LINUX_WNOHANG 0x00000001
#define LINUX_WUNTRACED 0x00000002
#define LINUX_WSTOPPED LINUX_WUNTRACED
#define LINUX_WEXITED 0x00000004
#define LINUX_WCONTINUED 0x00000008
#define LINUX_WNOWAIT 0x01000000
#define __WNOTHREAD 0x20000000
#define __WALL 0x40000000
#define __WCLONE 0x80000000
/* Linux waitid idtype */
#define LINUX_P_ALL 0
#define LINUX_P_PID 1
#define LINUX_P_PGID 2
#define LINUX_RLIMIT_LOCKS RLIM_NLIMITS + 1
#define LINUX_RLIMIT_SIGPENDING RLIM_NLIMITS + 2
#define LINUX_RLIMIT_MSGQUEUE RLIM_NLIMITS + 3
#define LINUX_RLIMIT_NICE RLIM_NLIMITS + 4
#define LINUX_RLIMIT_RTPRIO RLIM_NLIMITS + 5
#define LINUX_RLIMIT_RTTIME RLIM_NLIMITS + 6
#define LINUX_RLIM_INFINITY (~0UL)
int linux_common_wait(struct thread *td, int pid, int *status,
int options, struct rusage *ru);
void linux_to_bsd_waitopts(int options, int *bsdopts);
int linux_set_upcall_kse(struct thread *td, register_t stack);
int linux_set_cloned_tls(struct thread *td, void *desc);
struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t);
int linux_sysctl_debug(SYSCTL_HANDLER_ARGS);
#endif /* _LINUX_MISC_H_ */