freebsd-dev/sys/compat/linuxkpi/common/include/linux/pid.h
Hans Petter Selasky 94b9710bc7 Implement get_task_pid() function macro in the LinuxKPI.
MFC after:	1 week
Submitted by:	Johannes Lundberg <johalun0@gmail.com>
Sponsored by:	Mellanox Technologies
2018-02-17 22:33:26 +00:00

71 lines
2.2 KiB
C

/*-
* Copyright (c) 2017 Mellanox Technologies, Ltd.
* 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 unmodified, 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 ``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_PID_H_
#define _LINUX_PID_H_
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
enum pid_type {
PIDTYPE_PID,
PIDTYPE_PGID,
PIDTYPE_SID,
PIDTYPE_MAX
};
#define pid_nr(n) (n)
#define pid_vnr(n) (n)
#define from_kuid_munged(a, uid) (uid)
#define pid_task(pid, type) ({ \
struct task_struct *__ts; \
CTASSERT((type) == PIDTYPE_PID); \
__ts = linux_pid_task(pid); \
__ts; \
})
#define get_pid_task(pid, type) ({ \
struct task_struct *__ts; \
CTASSERT((type) == PIDTYPE_PID); \
__ts = linux_get_pid_task(pid); \
__ts; \
})
#define get_task_pid(task, type) ({ \
CTASSERT((type) == PIDTYPE_PID); \
(task)->task_thread->td_tid; \
})
struct task_struct;
extern struct task_struct *linux_pid_task(pid_t);
extern struct task_struct *linux_get_pid_task(pid_t);
#endif /* _LINUX_PID_H_ */