#include <errno.h>
#include <sys/sysctl.h>
#include <sys/disk.h>
+#include <sys/endian.h>
#include <sys/thr.h>
#include <sys/socket.h>
#include <sys/param.h>
#define FIO_HAVE_TRIM
#define FIO_HAVE_GETTID
#define FIO_HAVE_CPU_AFFINITY
+#define FIO_HAVE_SHM_ATTACH_REMOVED
#define OS_MAP_ANON MAP_ANON
static inline int blockdev_invalidate_cache(struct fio_file *f)
{
- return EINVAL;
+ return ENOTSUP;
}
static inline unsigned long long os_phys_mem(void)
#define FIO_MADV_FREE MADV_FREE
#endif
+static inline int shm_attach_to_open_removed(void)
+{
+ int x;
+ size_t len = sizeof(x);
+
+ if (sysctlbyname("kern.ipc.shm_allow_removed", &x, &len, NULL, 0) < 0)
+ return 0;
+
+ return x > 0 ? 1 : 0;
+}
+
#endif