/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009, 2010 Daniel Borkmann.
 * Copyright 2010 Marek Polacek.
 * Subject to the GPL, version 2.
 */

#include <sys/syscall.h>

#include "iosched.h"
#include "die.h"

#define IOPRIO_CLASS_SHIFT      13

enum {
	ioprio_class_none,
	ioprio_class_rt,
	ioprio_class_be,
	ioprio_class_idle,
};

enum {
	ioprio_who_process = 1,
	ioprio_who_pgrp,
	ioprio_who_user,
};

static const char *const to_prio[] = {
	"none",
	"realtime",
	"best-effort",
	"idle",
};

static inline int ioprio_set(int which, int who, int ioprio)
{
	return syscall(SYS_ioprio_set, which, who, ioprio);
}

static inline int ioprio_get(int which, int who)
{
	return syscall(SYS_ioprio_get, which, who);
}

static void ioprio_setpid(pid_t pid, int ioprio, int ioclass)
{
	int ret = ioprio_set(ioprio_who_process, pid,
			     ioprio | ioclass << IOPRIO_CLASS_SHIFT);
	if (ret < 0)
		panic("Failed to set io prio for pid!\n");
}

void ioprio_print(void)
{
	int ioprio = ioprio_get(ioprio_who_process, getpid());
	if (ioprio < 0)
		panic("Failed to fetch io prio for pid!\n");
	else {
		int ioclass = ioprio >> IOPRIO_CLASS_SHIFT;
		if (ioclass != ioprio_class_idle) {
			ioprio &= 0xff;
			printf("%s: prio %d\n", to_prio[ioclass], ioprio);
		} else
			printf("%s\n", to_prio[ioclass]);
	}
}

void set_ioprio_rt(void)
{
	ioprio_setpid(getpid(), 4, ioprio_class_rt);
}

void set_ioprio_be(void)
{
	ioprio_setpid(getpid(), 4, ioprio_class_be);
}
class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;showmsg=1'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='027eb72cbcf81561867a764074964e2ce9828398'/><input type='hidden' name='showmsg' value='1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>Collapse</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr class='logheader'><td><span title='2017-02-02 12:54:45 -0800'>2017-02-02</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=027eb72cbcf81561867a764074964e2ce9828398'>Merge branch 'core-urgent-for-linus' of ↵</a></td><td>Linus Torvalds</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull  objtool fix from Ingo Molnar:
 "A fix for a bad opcode in objtool's instruction decoder"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix IRET's opcode


</td></tr>
<tr class='logheader'><td><span title='2017-02-02 12:49:58 -0800'>2017-02-02</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=1fc576b82b96d9bb033ff0098e1c0bf68de282b2'>Merge tag 'nfsd-4.10-2' of git://linux-nfs.org/~bfields/linux</a></td><td>Linus Torvalds</td><td>5</td><td><span class='deletions'>-76</span>/<span class='insertions'>+51</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Pull nfsd fixes from Bruce Fields:
 "Three more miscellaneous nfsd bugfixes"

* tag 'nfsd-4.10-2' of git://linux-nfs.org/~bfields/linux:
  svcrpc: fix oops in absence of krb5 module
  nfsd: special case truncates some more
  NFSD: Fix a null reference case in find_or_create_lock_stateid()


</td></tr>
<tr class='logheader'><td><span title='2017-02-02 12:39:10 -0800'>2017-02-02</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=e4178c75049c581114998a850ecdfa5a2811cde6'>Merge tag 'xtensa-20170202' of git://github.com/jcmvbkbc/linux-xtensa</a></td><td>Linus Torvalds