#ifndef FIO_OS_H
#define FIO_OS_H
+#include <sys/types.h>
+#include <unistd.h>
+
#if defined(__linux__)
#include "os-linux.h"
#elif defined(__FreeBSD__)
#include "os-freebsd.h"
#elif defined(__sun__)
#include "os-solaris.h"
+#elif defined(__APPLE__)
+#include "os-mac.h"
#else
#error "unsupported os"
#endif
#endif /* FIO_HAVE_FADVISE */
#ifndef FIO_HAVE_CPU_AFFINITY
-#define fio_setaffinity(td) (0)
-#define fio_getaffinity(pid, mask) do { } while(0)
+#define fio_setaffinity(pid, mask) (0)
+#define fio_getaffinity(pid, mask) do { } while (0)
+#define fio_cpu_clear(mask, cpu) do { } while (0)
+#define fio_cpuset_exit(mask) (-1)
#endif
#ifndef FIO_HAVE_IOPRIO
#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
}
#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(int fd, unsigned long long *bytes)
+{
+ off_t end;
+
+ *bytes = 0;
+
+ end = lseek(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
+
#endif