[fio.git] / os / os-openbsd.h

#ifndef FIO_OS_OPENBSD_H
#define FIO_OS_OPENBSD_H

#define	FIO_OS	os_openbsd

#include <errno.h>
#include <sys/param.h>
#include <sys/statvfs.h>
#include <sys/ioctl.h>
#include <sys/dkio.h>
#include <sys/disklabel.h>
#include <sys/endian.h>
#include <sys/utsname.h>
#include <sys/sysctl.h>

/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
#undef RB_BLACK
#undef RB_RED
#undef RB_ROOT

#include "../file.h"

#define FIO_USE_GENERIC_INIT_RANDOM_STATE
#define FIO_HAVE_FS_STAT
#define FIO_HAVE_GETTID
#define FIO_HAVE_SHM_ATTACH_REMOVED

#define OS_MAP_ANON		MAP_ANON

#ifndef PTHREAD_STACK_MIN
#define PTHREAD_STACK_MIN 4096
#endif

#define fio_swap16(x)	bswap16(x)
#define fio_swap32(x)	bswap32(x)
#define fio_swap64(x)	bswap64(x)

typedef off_t off64_t;

static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
{
	struct disklabel dl;

	if (!ioctl(f->fd, DIOCGDINFO, &dl)) {
		*bytes = ((unsigned long long)dl.d_secperunit) * dl.d_secsize;
		return 0;
	}

	*bytes = 0;
	return errno;
}

static inline int blockdev_invalidate_cache(struct fio_file *f)
{
	return ENOTSUP;
}

static inline unsigned long long os_phys_mem(void)
{
	int mib[2] = { CTL_HW, HW_PHYSMEM64 };
	uint64_t mem;
	size_t len = sizeof(mem);

	sysctl(mib, 2, &mem, &len, NULL, 0);
	return mem;
}

static inline int gettid(void)
{
	return (int)(intptr_t) pthread_self();
}

static inline unsigned long long get_fs_free_size(const char *path)
{
	unsigned long long ret;
	struct statvfs s;

	if (statvfs(path, &s) < 0)
		return -1ULL;

	ret = s.f_frsize;
	ret *= (unsigned long long) s.f_bfree;
	return ret;
}

#ifdef MADV_FREE
#define FIO_MADV_FREE	MADV_FREE
#endif

static inline int shm_attach_to_open_removed(void)
{
	struct utsname uts;
	int major, minor;

	if (uname(&uts) == -1)
		return 0;

	/*
	 * Return 1 if >= OpenBSD 5.1 according to 97900ebf,
	 * assuming both major/minor versions are < 10.
	 */
	if (uts.release[0] > '9' || uts.release[0] < '0')
		return 0;
	if (uts.release[1] != '.')
		return 0;
	if (uts.release[2] > '9' || uts.release[2] < '0')
		return 0;

	major = uts.release[0] - '0';
	minor = uts.release[2] - '0';

	if (major > 5)
		return 1;
	if (major == 5 && minor >= 1)
		return 1;

	return 0;
}

#endif
Commit	Line	Data
	1	#ifndef FIO_OS_OPENBSD_H
	2	#define FIO_OS_OPENBSD_H
	3
	4	#define FIO_OS os_openbsd
	5
	6	#include <errno.h>
	7	#include <sys/param.h>
	8	#include <sys/statvfs.h>
	9	#include <sys/ioctl.h>
	10	#include <sys/dkio.h>
	11	#include <sys/disklabel.h>
	12	#include <sys/endian.h>
	13	#include <sys/utsname.h>
	14	#include <sys/sysctl.h>
	15
	16	/* XXX hack to avoid conflicts between rbtree.h and <sys/tree.h> */
	17	#undef RB_BLACK
	18	#undef RB_RED
	19	#undef RB_ROOT
	20
	21	#include "../file.h"
	22
	23	#define FIO_USE_GENERIC_INIT_RANDOM_STATE
	24	#define FIO_HAVE_FS_STAT
	25	#define FIO_HAVE_GETTID
	26	#define FIO_HAVE_SHM_ATTACH_REMOVED
	27
	28	#define OS_MAP_ANON MAP_ANON
	29
	30	#ifndef PTHREAD_STACK_MIN
	31	#define PTHREAD_STACK_MIN 4096
	32	#endif
	33
	34	#define fio_swap16(x) bswap16(x)
	35	#define fio_swap32(x) bswap32(x)
	36	#define fio_swap64(x) bswap64(x)
	37
	38	typedef off_t off64_t;
	39
	40	static inline int blockdev_size(struct fio_file f, unsigned long long bytes)
	41	{
	42	struct disklabel dl;
	43
	44	if (!ioctl(f->fd, DIOCGDINFO, &dl)) {
	45	bytes = ((unsigned long long)dl.d_secperunit) dl.d_secsize;
	46	return 0;
	47	}
	48
	49	*bytes = 0;
	50	return errno;
	51	}
	52
	53	static inline int blockdev_invalidate_cache(struct fio_file *f)
	54	{
	55	return ENOTSUP;
	56	}
	57
	58	static inline unsigned long long os_phys_mem(void)
	59	{
	60	int mib[2] = { CTL_HW, HW_PHYSMEM64 };
	61	uint64_t mem;
	62	size_t len = sizeof(mem);
	63
	64	sysctl(mib, 2, &mem, &len, NULL, 0);
	65	return mem;
	66	}
	67
	68	static inline int gettid(void)
	69	{
	70	return (int)(intptr_t) pthread_self();
	71	}
	72
	73	static inline unsigned long long get_fs_free_size(const char *path)
	74	{
	75	unsigned long long ret;
	76	struct statvfs s;
	77
	78	if (statvfs(path, &s) < 0)
	79	return -1ULL;
	80
	81	ret = s.f_frsize;
	82	ret *= (unsigned long long) s.f_bfree;
	83	return ret;
	84	}
	85
	86	#ifdef MADV_FREE
	87	#define FIO_MADV_FREE MADV_FREE
	88	#endif
	89
	90	static inline int shm_attach_to_open_removed(void)
	91	{
	92	struct utsname uts;
	93	int major, minor;
	94
	95	if (uname(&uts) == -1)
	96	return 0;
	97
	98	/*
	99	* Return 1 if >= OpenBSD 5.1 according to 97900ebf,
	100	* assuming both major/minor versions are < 10.
	101	*/
	102	if (uts.release[0] > '9' \|\| uts.release[0] < '0')
	103	return 0;
	104	if (uts.release[1] != '.')
	105	return 0;
	106	if (uts.release[2] > '9' \|\| uts.release[2] < '0')
	107	return 0;
	108
	109	major = uts.release[0] - '0';
	110	minor = uts.release[2] - '0';
	111
	112	if (major > 5)
	113	return 1;
	114	if (major == 5 && minor >= 1)
	115	return 1;
	116
	117	return 0;
	118	}
	119
	120	#endif