#ifndef _PERF_TARGET_H
#define _PERF_TARGET_H

#include <stdbool.h>
#include <sys/types.h>

struct target {
	const char   *pid;
	const char   *tid;
	const char   *cpu_list;
	const char   *uid_str;
	uid_t	     uid;
	bool	     system_wide;
	bool	     uses_mmap;
	bool	     default_per_cpu;
	bool	     per_thread;
};

enum target_errno {
	TARGET_ERRNO__SUCCESS		= 0,

	/*
	 * Choose an arbitrary negative big number not to clash with standard
	 * errno since SUS requires the errno has distinct positive values.
	 * See 'Issue 6' in the link below.
	 *
	 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
	 */
	__TARGET_ERRNO__START		= -10000,

	/* for target__validate() */
	TARGET_ERRNO__PID_OVERRIDE_CPU	= __TARGET_ERRNO__START,
	TARGET_ERRNO__PID_OVERRIDE_UID,
	TARGET_ERRNO__UID_OVERRIDE_CPU,
	TARGET_ERRNO__PID_OVERRIDE_SYSTEM,
	TARGET_ERRNO__UID_OVERRIDE_SYSTEM,
	TARGET_ERRNO__SYSTEM_OVERRIDE_THREAD,

	/* for target__parse_uid() */
	TARGET_ERRNO__INVALID_UID,
	TARGET_ERRNO__USER_NOT_FOUND,

	__TARGET_ERRNO__END,
};

enum target_errno target__validate(struct target *target);
enum target_errno target__parse_uid(struct target *target);

int target__strerror(struct target *target, int errnum, char *buf, size_t buflen);

static inline bool target__has_task(struct target *target)
{
	return target->tid || target->pid || target->uid_str;
}

static inline bool target__has_cpu(struct target *target)
{
	return target->system_wide || target->cpu_list;
}

static inline bool target__none(struct target *target)
{
	return !target__has_task(target) && !target__has_cpu(target);
}

static inline bool target__uses_dummy_map(struct target *target)
{
	bool use_dummy = false;

	if (target->default_per_cpu)
		use_dummy = target->per_thread ? true : false;
	else if (target__has_task(target) ||
	         (!target__has_cpu(target) && !target->uses_mmap))
		use_dummy = true;

	return use_dummy;
}

#endif /* _PERF_TARGET_H */
ef='/cgit.cgi/linux/net-next.git/commit/net/wireless/trace.c?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/net/wireless/trace.c?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/wireless/trace.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='6107dbdb64465848e310b85ebe589236e24a9680'/><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='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/wireless?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>wireless</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/wireless/trace.c?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680'>trace.c</a></div><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/net/wireless/trace.c?h=nds-private-remove&amp;id=6107dbdb64465848e310b85ebe589236e24a9680&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>