[lttng-tools.git] / src / common / compat / tid.h

/*
 * Copyright 2012 (C) Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * SPDX-License-Identifier: MIT
 *
 */

#ifndef LTTNG_TID_H
#define LTTNG_TID_H

#ifdef __linux__
#include <syscall.h>
#endif

#if defined(__NR_gettid)

#include <unistd.h>
static inline pid_t lttng_gettid(void)
{
	return syscall(__NR_gettid);
}

#else

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

/* Fall-back on getpid for tid if not available. */
static inline pid_t lttng_gettid(void)
{
	return getpid();
}

#endif

#endif /* LTTNG_TID_H */
Commit	Line	Data
ffe60014	1	/*
ab5be9fa	2	* Copyright 2012 (C) Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
ffe60014	3	*
ab5be9fa	4	* SPDX-License-Identifier: MIT
ffe60014	5	*
ffe60014 DG	6	*/
	7
	8	#ifndef LTTNG_TID_H
	9	#define LTTNG_TID_H
	10
	11	#ifdef __linux__
	12	#include <syscall.h>
	13	#endif
	14
557ac9b9 MJ	15	#if defined(__NR_gettid)
557ac9b9 MJ	16
ffe60014	17	#include <unistd.h>
557ac9b9	18	static inline pid_t lttng_gettid(void)
ffe60014 DG	19	{
	20	return syscall(__NR_gettid);
	21	}
557ac9b9	22
ffe60014	23	#else
557ac9b9	24
ffe60014 DG	25	#include <sys/types.h>
	26	#include <unistd.h>
	27
	28	/* Fall-back on getpid for tid if not available. */
557ac9b9	29	static inline pid_t lttng_gettid(void)
ffe60014 DG	30	{
	31	return getpid();
	32	}
557ac9b9	33
ffe60014 DG	34	#endif
	35
	36	#endif /* LTTNG_TID_H */