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