[fio.git] / os / os.h

#ifndef FIO_OS_H
#define FIO_OS_H

#include <sys/types.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <pthread.h>
#include <unistd.h>
#include <stdlib.h>

#include "../arch/arch.h"

enum {
	os_linux = 1,
	os_aix,
	os_freebsd,
	os_hpux,
	os_mac,
	os_netbsd,
	os_openbsd,
	os_solaris,
	os_windows,
	os_android,
	os_dragonfly,

	os_nr,
};

#if defined(__ANDROID__)
#include "os-android.h"
#elif defined(__linux__)
#include "os-linux.h"
#elif defined(__FreeBSD__)
#include "os-freebsd.h"
#elif defined(__OpenBSD__)
#include "os-openbsd.h"
#elif defined(__NetBSD__)
#include "os-netbsd.h"
#elif defined(__sun__)
#include "os-solaris.h"
#elif defined(__APPLE__)
#include "os-mac.h"
#elif defined(_AIX)
#include "os-aix.h"
#elif defined(__hpux)
#include "os-hpux.h"
#elif defined(WIN32)
#include "os-windows.h"
#elif defined (__DragonFly__)
#include "os-dragonfly.h"
#else
#error "unsupported os"
#endif

#ifdef CONFIG_POSIXAIO
#include <aio.h>
#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
typedef struct aiocb os_aiocb_t;
#endif
#endif

#ifdef FIO_HAVE_SGIO
#include <linux/fs.h>
#include <scsi/sg.h>
#endif

#ifndef CONFIG_STRSEP
#include "../oslib/strsep.h"
#endif

#ifndef CONFIG_STRLCAT
#include "../oslib/strlcat.h"
#endif

#ifdef MSG_DONTWAIT
#define OS_MSG_DONTWAIT	MSG_DONTWAIT
#endif

#ifndef POSIX_FADV_DONTNEED
#define POSIX_FADV_DONTNEED	(0)
#define POSIX_FADV_SEQUENTIAL	(0)
#define POSIX_FADV_RANDOM	(0)
#endif

#ifndef FIO_HAVE_CPU_AFFINITY
#define fio_getaffinity(pid, mask)	do { } while (0)
#define fio_cpu_clear(mask, cpu)	do { } while (0)
typedef unsigned long os_cpu_mask_t;

static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
{
	return 0;
}

static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
{
	return -1;
}

static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
{
	return 0;
}
#else
extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
#endif

#ifndef FIO_HAVE_IOPRIO
#define ioprio_set(which, who, prioclass, prio)	(0)
#endif

#ifndef FIO_HAVE_ODIRECT
#define OS_O_DIRECT			0
#else
#define OS_O_DIRECT			O_DIRECT
#endif

#ifdef OS_O_ATOMIC
#define FIO_O_ATOMIC			OS_O_ATOMIC
#else
#define FIO_O_ATOMIC			0
#endif

#ifndef FIO_HAVE_HUGETLB
#define SHM_HUGETLB			0
#define MAP_HUGETLB			0
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE			0
#endif
#else
#ifndef FIO_HUGE_PAGE
#define FIO_HUGE_PAGE			4194304
#endif
#endif

#ifndef FIO_HAVE_MMAP_HUGE
#define MAP_HUGETLB			0
#endif

#ifndef FIO_O_NOATIME
#define FIO_O_NOATIME			0
#endif

#ifndef OS_RAND_MAX
#define OS_RAND_MAX			RAND_MAX
#endif

#ifndef FIO_HAVE_RAWBIND
#define fio_lookup_raw(dev, majdev, mindev)	1
#endif

#ifndef FIO_PREFERRED_ENGINE
#define FIO_PREFERRED_ENGINE	"sync"
#endif

#ifndef FIO_OS_PATH_SEPARATOR
#define FIO_OS_PATH_SEPARATOR	"/"
#endif

#ifndef FIO_PREFERRED_CLOCK_SOURCE
#ifdef CONFIG_CLOCK_GETTIME
#define FIO_PREFERRED_CLOCK_SOURCE	CS_CGETTIME
#else
#define FIO_PREFERRED_CLOCK_SOURCE	CS_GTOD
#endif
#endif

#ifndef FIO_MAX_JOBS
#define FIO_MAX_JOBS		2048
#endif

#ifndef CONFIG_SOCKLEN_T
typedef unsigned int socklen_t;
#endif

#ifndef FIO_OS_HAS_CTIME_R
#define os_ctime_r(x, y, z)     (void) ctime_r((x), (y))
#endif

#ifdef FIO_USE_GENERIC_SWAP
static inline uint16_t fio_swap16(uint16_t val)
{
	return (val << 8) | (val >> 8);
}

static inline uint32_t fio_swap32(uint32_t val)
{
	val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);

	return (val >> 16) | (val << 16);
}

static inline uint64_t fio_swap64(uint64_t val)
{
	val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
	      ((val & 0x00ff00ff00ff00ffULL) << 8);
	val = ((val & 0xffff0000ffff0000ULL) >> 16) |
	      ((val & 0x0000ffff0000ffffULL) << 16);

	return (val >> 32) | (val << 32);
}
#endif

#ifndef FIO_HAVE_BYTEORDER_FUNCS
#ifdef CONFIG_LITTLE_ENDIAN
#define __le16_to_cpu(x)		(x)
#define __le32_to_cpu(x)		(x)
#define __le64_to_cpu(x)		(x)
#define __cpu_to_le16(x)		(x)
#define __cpu_to_le32(x)		(x)
#define __cpu_to_le64(x)		(x)
#else
#define __le16_to_cpu(x)		fio_swap16(x)
#define __le32_to_cpu(x)		fio_swap32(x)
#define __le64_to_cpu(x)		fio_swap64(x)
#define __cpu_to_le16(x)		fio_swap16(x)
#define __cpu_to_le32(x)		fio_swap32(x)
#define __cpu_to_le64(x)		fio_swap64(x)
#endif
#endif /* FIO_HAVE_BYTEORDER_FUNCS */

#ifdef FIO_INTERNAL
#define le16_to_cpu(val) ({			\
	typecheck(uint16_t, val);		\
	__le16_to_cpu(val);			\
})
#define le32_to_cpu(val) ({			\
	typecheck(uint32_t, val);		\
	__le32_to_cpu(val);			\
})
#define le64_to_cpu(val) ({			\
	typecheck(uint64_t, val);		\
	__le64_to_cpu(val);			\
})
#endif

#define cpu_to_le16(val) ({			\
	typecheck(uint16_t, val);		\
	__cpu_to_le16(val);			\
})
#define cpu_to_le32(val) ({			\
	typecheck(uint32_t, val);		\
	__cpu_to_le32(val);			\
})
#define cpu_to_le64(val) ({			\
	typecheck(uint64_t, val);		\
	__cpu_to_le64(val);			\
})

#ifndef FIO_HAVE_BLKTRACE
static inline int is_blktrace(const char *fname, int *need_swap)
{
	return 0;
}
struct thread_data;
static inline int load_blktrace(struct thread_data *td, const char *fname,
				int need_swap)
{
	return 1;
}
#endif

#define FIO_DEF_CL_SIZE		128

static inline int os_cache_line_size(void)
{
#ifdef FIO_HAVE_CL_SIZE
	int ret = arch_cache_line_size();

	if (ret <= 0)
		return FIO_DEF_CL_SIZE;

	return ret;
#else
	return FIO_DEF_CL_SIZE;
#endif
}

#ifdef FIO_USE_GENERIC_BDEV_SIZE
static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	off_t end;

	*bytes = 0;

	end = lseek(f->fd, 0, SEEK_END);
	if (end < 0)
		return errno;

	*bytes = end;
	return 0;
}
#endif

#ifdef FIO_USE_GENERIC_RAND
typedef unsigned int os_random_state_t;

static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
{
	srand(seed);
}

static inline long os_random_long(os_random_state_t *rs)
{
	long val;

	val = rand_r(rs);
	return val;
}
#endif

#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
extern void td_fill_rand_seeds(struct thread_data *td);
/*
 * Initialize the various random states we need (random io, block size ranges,
 * read/write mix, etc).
 */
static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
{
	int fd;

	fd = open("/dev/urandom", O_RDONLY);
	if (fd == -1) {
		return 1;
	}

	if (read(fd, rand_seeds, size) < size) {
		close(fd);
		return 1;
	}

	close(fd);
	td_fill_rand_seeds(td);
	return 0;
}
#endif

#ifndef FIO_HAVE_FS_STAT
static inline unsigned long long get_fs_free_size(const char *path)
{
	return 0;
}
#endif

#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
static inline unsigned int cpus_online(void)
{
	return sysconf(_SC_NPROCESSORS_ONLN);
}
#endif

#ifndef CPU_COUNT
#ifdef FIO_HAVE_CPU_AFFINITY
static inline int CPU_COUNT(os_cpu_mask_t *mask)
{
	int max_cpus = cpus_online();
	int nr_cpus, i;

	for (i = 0, nr_cpus = 0; i < max_cpus; i++)
		if (fio_cpu_isset(mask, i))
			nr_cpus++;

	return nr_cpus;
}
#endif
#endif

#ifndef FIO_HAVE_GETTID
static inline int gettid(void)
{
	return getpid();
}
#endif

#endif
Commit	Line	Data
ebac4655 JA	1	#ifndef FIO_OS_H
	2	#define FIO_OS_H
	3
a14ca44a	4	#include <sys/types.h>
203913ea	5	#include <sys/socket.h>
93bcfd20	6	#include <fcntl.h>
03e20d68	7	#include <pthread.h>
a14ca44a	8	#include <unistd.h>
ecc314ba	9	#include <stdlib.h>
a14ca44a	10
836fcc0f JA	11	#include "../arch/arch.h"
836fcc0f JA	12
cca84643 JA	13	enum {
	14	os_linux = 1,
	15	os_aix,
	16	os_freebsd,
	17	os_hpux,
	18	os_mac,
	19	os_netbsd,
3cd4c66f	20	os_openbsd,
cca84643 JA	21	os_solaris,
cca84643 JA	22	os_windows,
ec5c6b12	23	os_android,
239b2882	24	os_dragonfly,
cca84643 JA	25
	26	os_nr,
	27	};
	28
ec5c6b12 AC	29	#if defined(__ANDROID__)
	30	#include "os-android.h"
	31	#elif defined(__linux__)
ebac4655 JA	32	#include "os-linux.h"
	33	#elif defined(__FreeBSD__)
	34	#include "os-freebsd.h"
3cd4c66f J	35	#elif defined(__OpenBSD__)
3cd4c66f J	36	#include "os-openbsd.h"
7452440e YT	37	#elif defined(__NetBSD__)
7452440e YT	38	#include "os-netbsd.h"
2c0ecd28 JA	39	#elif defined(__sun__)
2c0ecd28 JA	40	#include "os-solaris.h"
2afd826b JA	41	#elif defined(__APPLE__)
2afd826b JA	42	#include "os-mac.h"
bf2e821a CC	43	#elif defined(_AIX)
bf2e821a CC	44	#include "os-aix.h"
c00a2289 JA	45	#elif defined(__hpux)
c00a2289 JA	46	#include "os-hpux.h"
93bcfd20	47	#elif defined(WIN32)
03e20d68	48	#include "os-windows.h"
239b2882 JA	49	#elif defined (__DragonFly__)
239b2882 JA	50	#include "os-dragonfly.h"
ebac4655 JA	51	#else
	52	#error "unsupported os"
	53	#endif
	54
67bf9823	55	#ifdef CONFIG_POSIXAIO
ebac4655	56	#include <aio.h>
e97c1442 JA	57	#ifndef FIO_OS_HAVE_AIOCB_TYPEDEF
	58	typedef struct aiocb os_aiocb_t;
	59	#endif
ebac4655 JA	60	#endif
	61
	62	#ifdef FIO_HAVE_SGIO
	63	#include <linux/fs.h>
	64	#include <scsi/sg.h>
	65	#endif
	66
4feafb1e	67	#ifndef CONFIG_STRSEP
984f30c9	68	#include "../oslib/strsep.h"
5921e80c JA	69	#endif
5921e80c JA	70
5ad7be56	71	#ifndef CONFIG_STRLCAT
984f30c9	72	#include "../oslib/strlcat.h"
5ad7be56 KD	73	#endif
5ad7be56 KD	74
8e239cae JA	75	#ifdef MSG_DONTWAIT
	76	#define OS_MSG_DONTWAIT MSG_DONTWAIT
	77	#endif
	78
4d8947de	79	#ifndef POSIX_FADV_DONTNEED
ebac4655 JA	80	#define POSIX_FADV_DONTNEED (0)
	81	#define POSIX_FADV_SEQUENTIAL (0)
	82	#define POSIX_FADV_RANDOM (0)
4d8947de	83	#endif
ebac4655 JA	84
ebac4655 JA	85	#ifndef FIO_HAVE_CPU_AFFINITY
be4ecfdf JA	86	#define fio_getaffinity(pid, mask) do { } while (0)
be4ecfdf JA	87	#define fio_cpu_clear(mask, cpu) do { } while (0)
7452440e	88	typedef unsigned long os_cpu_mask_t;
3e55d40f TK	89
	90	static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
	91	{
	92	return 0;
	93	}
	94
	95	static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
	96	{
	97	return -1;
	98	}
	99
	100	static inline int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
	101	{
	102	return 0;
	103	}
c2acfbac JA	104	#else
c2acfbac JA	105	extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
ebac4655 JA	106	#endif
	107
	108	#ifndef FIO_HAVE_IOPRIO
28727df7	109	#define ioprio_set(which, who, prioclass, prio) (0)
ebac4655 JA	110	#endif
ebac4655 JA	111
2c0ecd28	112	#ifndef FIO_HAVE_ODIRECT
7d424763 JA	113	#define OS_O_DIRECT 0
	114	#else
	115	#define OS_O_DIRECT O_DIRECT
2c0ecd28 JA	116	#endif
2c0ecd28 JA	117
d01612f3 CM	118	#ifdef OS_O_ATOMIC
	119	#define FIO_O_ATOMIC OS_O_ATOMIC
	120	#else
	121	#define FIO_O_ATOMIC 0
	122	#endif
	123
74b025b0 JA	124	#ifndef FIO_HAVE_HUGETLB
74b025b0 JA	125	#define SHM_HUGETLB 0
d6dc02fb	126	#define MAP_HUGETLB 0
4d8947de	127	#ifndef FIO_HUGE_PAGE
74b025b0	128	#define FIO_HUGE_PAGE 0
4d8947de	129	#endif
74b025b0	130	#else
cb25df61	131	#ifndef FIO_HUGE_PAGE
ee0e0a71	132	#define FIO_HUGE_PAGE 4194304
74b025b0	133	#endif
cb25df61	134	#endif
74b025b0	135
39b93568 JA	136	#ifndef FIO_HAVE_MMAP_HUGE
	137	#define MAP_HUGETLB 0
	138	#endif
	139
5921e80c JA	140	#ifndef FIO_O_NOATIME
	141	#define FIO_O_NOATIME 0
	142	#endif
	143
dc873b6f JA	144	#ifndef OS_RAND_MAX
	145	#define OS_RAND_MAX RAND_MAX
	146	#endif
	147
07e5b264	148	#ifndef FIO_HAVE_RAWBIND
8cc7afa9	149	#define fio_lookup_raw(dev, majdev, mindev) 1
07e5b264 JA	150	#endif
07e5b264 JA	151
58483fa4 JA	152	#ifndef FIO_PREFERRED_ENGINE
	153	#define FIO_PREFERRED_ENGINE "sync"
	154	#endif
	155
b9fd788f BC	156	#ifndef FIO_OS_PATH_SEPARATOR
	157	#define FIO_OS_PATH_SEPARATOR "/"
	158	#endif
	159
16de1bf9	160	#ifndef FIO_PREFERRED_CLOCK_SOURCE
86e53416	161	#ifdef CONFIG_CLOCK_GETTIME
16de1bf9	162	#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
86e53416 BC	163	#else
	164	#define FIO_PREFERRED_CLOCK_SOURCE CS_GTOD
	165	#endif
16de1bf9 BC	166	#endif
16de1bf9 BC	167
fca70358 JA	168	#ifndef FIO_MAX_JOBS
	169	#define FIO_MAX_JOBS 2048
	170	#endif
	171
67bf9823 JA	172	#ifndef CONFIG_SOCKLEN_T
67bf9823 JA	173	typedef unsigned int socklen_t;
5ba13ea6 JA	174	#endif
5ba13ea6 JA	175
45054cbe	176	#ifndef FIO_OS_HAS_CTIME_R
1f81991e	177	#define os_ctime_r(x, y, z) (void) ctime_r((x), (y))
45054cbe SD	178	#endif
45054cbe SD	179
901ebe18	180	#ifdef FIO_USE_GENERIC_SWAP
9677bec3	181	static inline uint16_t fio_swap16(uint16_t val)
232f9b73 JA	182	{
	183	return (val << 8) \| (val >> 8);
	184	}
	185
901ebe18	186	static inline uint32_t fio_swap32(uint32_t val)
232f9b73 JA	187	{
	188	val = ((val & 0xff00ff00UL) >> 8) \| ((val & 0x00ff00ffUL) << 8);
	189
	190	return (val >> 16) \| (val << 16);
	191	}
	192
901ebe18	193	static inline uint64_t fio_swap64(uint64_t val)
232f9b73 JA	194	{
	195	val = ((val & 0xff00ff00ff00ff00ULL) >> 8) \|
	196	((val & 0x00ff00ff00ff00ffULL) << 8);
	197	val = ((val & 0xffff0000ffff0000ULL) >> 16) \|
	198	((val & 0x0000ffff0000ffffULL) << 16);
	199
	200	return (val >> 32) \| (val << 32);
	201	}
	202	#endif
	203
ec5c6b12	204	#ifndef FIO_HAVE_BYTEORDER_FUNCS
0dcebdf4	205	#ifdef CONFIG_LITTLE_ENDIAN
8111092f JA	206	#define __le16_to_cpu(x) (x)
	207	#define __le32_to_cpu(x) (x)
	208	#define __le64_to_cpu(x) (x)
	209	#define __cpu_to_le16(x) (x)
	210	#define __cpu_to_le32(x) (x)
	211	#define __cpu_to_le64(x) (x)
	212	#else
	213	#define __le16_to_cpu(x) fio_swap16(x)
	214	#define __le32_to_cpu(x) fio_swap32(x)
	215	#define __le64_to_cpu(x) fio_swap64(x)
	216	#define __cpu_to_le16(x) fio_swap16(x)
	217	#define __cpu_to_le32(x) fio_swap32(x)
	218	#define __cpu_to_le64(x) fio_swap64(x)
	219	#endif
ec5c6b12	220	#endif /* FIO_HAVE_BYTEORDER_FUNCS */
8111092f	221
0bbe46e7	222	#ifdef FIO_INTERNAL
8111092f	223	#define le16_to_cpu(val) ({ \
ff8039b7	224	typecheck(uint16_t, val); \
c46fda90	225	__le16_to_cpu(val); \
8111092f JA	226	})
8111092f JA	227	#define le32_to_cpu(val) ({ \
ff8039b7	228	typecheck(uint32_t, val); \
c46fda90	229	__le32_to_cpu(val); \
8111092f JA	230	})
8111092f JA	231	#define le64_to_cpu(val) ({ \
ff8039b7 JA	232	typecheck(uint64_t, val); \
ff8039b7 JA	233	__le64_to_cpu(val); \
8111092f	234	})
0bbe46e7 DG	235	#endif
0bbe46e7 DG	236
8111092f	237	#define cpu_to_le16(val) ({ \
ff8039b7	238	typecheck(uint16_t, val); \
c46fda90	239	__cpu_to_le16(val); \
8111092f JA	240	})
8111092f JA	241	#define cpu_to_le32(val) ({ \
ff8039b7	242	typecheck(uint32_t, val); \
c46fda90	243	__cpu_to_le32(val); \
8111092f JA	244	})
8111092f JA	245	#define cpu_to_le64(val) ({ \
ff8039b7	246	typecheck(uint64_t, val); \
c46fda90	247	__cpu_to_le64(val); \
8111092f JA	248	})
8111092f JA	249
5e62c22a	250	#ifndef FIO_HAVE_BLKTRACE
d95b34a6	251	static inline int is_blktrace(const char fname, int need_swap)
5e62c22a JA	252	{
	253	return 0;
	254	}
5921e80c	255	struct thread_data;
d95b34a6 JA	256	static inline int load_blktrace(struct thread_data td, const char fname,
d95b34a6 JA	257	int need_swap)
5e62c22a JA	258	{
	259	return 1;
	260	}
	261	#endif
	262
eb7ccf38 JA	263	#define FIO_DEF_CL_SIZE 128
	264
	265	static inline int os_cache_line_size(void)
	266	{
	267	#ifdef FIO_HAVE_CL_SIZE
	268	int ret = arch_cache_line_size();
	269
	270	if (ret <= 0)
	271	return FIO_DEF_CL_SIZE;
	272
	273	return ret;
	274	#else
	275	return FIO_DEF_CL_SIZE;
	276	#endif
	277	}
	278
792d5517	279	#ifdef FIO_USE_GENERIC_BDEV_SIZE
ecc314ba	280	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
792d5517	281	{
3b2e1464	282	off_t end;
792d5517	283
3b2e1464 JA	284	*bytes = 0;
3b2e1464 JA	285
ecc314ba	286	end = lseek(f->fd, 0, SEEK_END);
792d5517 JA	287	if (end < 0)
	288	return errno;
	289
	290	*bytes = end;
	291	return 0;
	292	}
	293	#endif
	294
53531370 JA	295	#ifdef FIO_USE_GENERIC_RAND
	296	typedef unsigned int os_random_state_t;
	297
	298	static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
	299	{
	300	srand(seed);
	301	}
	302
	303	static inline long os_random_long(os_random_state_t *rs)
	304	{
	305	long val;
	306
	307	val = rand_r(rs);
	308	return val;
	309	}
	310	#endif
	311
93bcfd20 BC	312	#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
	313	extern void td_fill_rand_seeds(struct thread_data *td);
	314	/*
	315	* Initialize the various random states we need (random io, block size ranges,
	316	* read/write mix, etc).
	317	*/
	318	static inline int init_random_state(struct thread_data td, unsigned long rand_seeds, int size)
	319	{
	320	int fd;
	321
	322	fd = open("/dev/urandom", O_RDONLY);
	323	if (fd == -1) {
	324	return 1;
	325	}
	326
	327	if (read(fd, rand_seeds, size) < size) {
	328	close(fd);
	329	return 1;
	330	}
	331
	332	close(fd);
	333	td_fill_rand_seeds(td);
	334	return 0;
	335	}
	336	#endif
	337
2e3bd4c2	338	#ifndef FIO_HAVE_FS_STAT
c08ad04c	339	static inline unsigned long long get_fs_free_size(const char *path)
2e3bd4c2 JA	340	{
	341	return 0;
	342	}
	343	#endif
	344
c00a2289 JA	345	#ifndef FIO_HAVE_CPU_ONLINE_SYSCONF
	346	static inline unsigned int cpus_online(void)
	347	{
	348	return sysconf(_SC_NPROCESSORS_ONLN);
	349	}
	350	#endif
	351
7221da37	352	#ifndef CPU_COUNT
6cf71c24 JA	353	#ifdef FIO_HAVE_CPU_AFFINITY
	354	static inline int CPU_COUNT(os_cpu_mask_t *mask)
	355	{
	356	int max_cpus = cpus_online();
	357	int nr_cpus, i;
	358
	359	for (i = 0, nr_cpus = 0; i < max_cpus; i++)
	360	if (fio_cpu_isset(mask, i))
	361	nr_cpus++;
	362
	363	return nr_cpus;
	364	}
	365	#endif
	366	#endif
	367
47f767c1 JA	368	#ifndef FIO_HAVE_GETTID
	369	static inline int gettid(void)
	370	{
	371	return getpid();
	372	}
	373	#endif
	374
ebac4655	375	#endif