freebsd-dev/sys/compat/linux/linux.h
Edward Tomasz Napierala 044ab55e41 Make linux(4) create /dev/shm. Linux applications often expect
a tmpfs to be mounted there, and because they like to verify it's
actually a mountpoint, a symlink won't do.

Reviewed by:	dchagin (earlier version)
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D20333
2019-11-06 20:53:33 +00:00

150 lines
4.3 KiB
C

/*-
* Copyright (c) 2015 Dmitry Chagin
* 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.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_MI_H_
#define _LINUX_MI_H_
#define LINUX_IFHWADDRLEN 6
#define LINUX_IFNAMSIZ 16
/*
* Criteria for interface name translation
*/
#define IFP_IS_ETH(ifp) (ifp->if_type == IFT_ETHER)
#define IFP_IS_LOOP(ifp) (ifp->if_type == IFT_LOOP)
struct l_sockaddr {
unsigned short sa_family;
char sa_data[14];
};
#define LINUX_ARPHRD_ETHER 1
#define LINUX_ARPHRD_LOOPBACK 772
/*
* Supported address families
*/
#define LINUX_AF_UNSPEC 0
#define LINUX_AF_UNIX 1
#define LINUX_AF_INET 2
#define LINUX_AF_AX25 3
#define LINUX_AF_IPX 4
#define LINUX_AF_APPLETALK 5
#define LINUX_AF_INET6 10
/*
* net device flags
*/
#define LINUX_IFF_UP 0x0001
#define LINUX_IFF_BROADCAST 0x0002
#define LINUX_IFF_DEBUG 0x0004
#define LINUX_IFF_LOOPBACK 0x0008
#define LINUX_IFF_POINTOPOINT 0x0010
#define LINUX_IFF_NOTRAILERS 0x0020
#define LINUX_IFF_RUNNING 0x0040
#define LINUX_IFF_NOARP 0x0080
#define LINUX_IFF_PROMISC 0x0100
#define LINUX_IFF_ALLMULTI 0x0200
#define LINUX_IFF_MASTER 0x0400
#define LINUX_IFF_SLAVE 0x0800
#define LINUX_IFF_MULTICAST 0x1000
#define LINUX_IFF_PORTSEL 0x2000
#define LINUX_IFF_AUTOMEDIA 0x4000
#define LINUX_IFF_DYNAMIC 0x8000
/* sigaltstack */
#define LINUX_SS_ONSTACK 1
#define LINUX_SS_DISABLE 2
int linux_to_bsd_sigaltstack(int lsa);
int bsd_to_linux_sigaltstack(int bsa);
/* sigset */
typedef struct {
uint64_t __mask;
} l_sigset_t;
/* primitives to manipulate sigset_t */
#define LINUX_SIGEMPTYSET(set) (set).__mask = 0
#define LINUX_SIGISMEMBER(set, sig) (1UL & ((set).__mask >> _SIG_IDX(sig)))
#define LINUX_SIGADDSET(set, sig) (set).__mask |= 1UL << _SIG_IDX(sig)
void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
/* signaling */
#define LINUX_SIGHUP 1
#define LINUX_SIGINT 2
#define LINUX_SIGQUIT 3
#define LINUX_SIGILL 4
#define LINUX_SIGTRAP 5
#define LINUX_SIGABRT 6
#define LINUX_SIGIOT LINUX_SIGABRT
#define LINUX_SIGBUS 7
#define LINUX_SIGFPE 8
#define LINUX_SIGKILL 9
#define LINUX_SIGUSR1 10
#define LINUX_SIGSEGV 11
#define LINUX_SIGUSR2 12
#define LINUX_SIGPIPE 13
#define LINUX_SIGALRM 14
#define LINUX_SIGTERM 15
#define LINUX_SIGSTKFLT 16
#define LINUX_SIGCHLD 17
#define LINUX_SIGCONT 18
#define LINUX_SIGSTOP 19
#define LINUX_SIGTSTP 20
#define LINUX_SIGTTIN 21
#define LINUX_SIGTTOU 22
#define LINUX_SIGURG 23
#define LINUX_SIGXCPU 24
#define LINUX_SIGXFSZ 25
#define LINUX_SIGVTALRM 26
#define LINUX_SIGPROF 27
#define LINUX_SIGWINCH 28
#define LINUX_SIGIO 29
#define LINUX_SIGPOLL LINUX_SIGIO
#define LINUX_SIGPWR 30
#define LINUX_SIGSYS 31
#define LINUX_SIGTBLSZ 31
#define LINUX_SIGRTMIN 32
#define LINUX_SIGRTMAX 64
#define LINUX_SIG_VALID(sig) ((sig) <= LINUX_SIGRTMAX && (sig) > 0)
int linux_to_bsd_signal(int sig);
int bsd_to_linux_signal(int sig);
extern LIST_HEAD(futex_list, futex) futex_list;
extern struct mtx futex_mtx;
void linux_dev_shm_create(void);
void linux_dev_shm_destroy(void);
#endif /* _LINUX_MI_H_ */