X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-freebsd.h;h=c7863b5e02eb5b978f266cc5d9329827c1819aca;hb=deb728c66d3f745abca5afc4eebcf0d5049d50fd;hp=aa90954dc6497b54ef841cce82635847b5c354d9;hpb=f0ac17190989b4ada1d4d74be8d7a4ef3a76dfbb;p=fio.git

diff --git a/os/os-freebsd.h b/os/os-freebsd.h
index aa90954d..c7863b5e 100644
--- a/os/os-freebsd.h
+++ b/os/os-freebsd.h
@@ -22,9 +22,7 @@
 #define FIO_HAVE_TRIM
 #define FIO_HAVE_GETTID
 #define FIO_HAVE_CPU_AFFINITY
-/* Only have attach-to-open-removed when kern.ipc.shm_allow_removed is 1 */
-#undef  FIO_HAVE_SHM_ATTACH_REMOVED
-
+#define FIO_HAVE_SHM_ATTACH_REMOVED
 
 #define OS_MAP_ANON		MAP_ANON
 
@@ -84,7 +82,7 @@ static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
 
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
-	return EINVAL;
+	return ENOTSUP;
 }
 
 static inline unsigned long long os_phys_mem(void)
@@ -136,4 +134,15 @@ static inline int os_trim(int fd, unsigned long long start,
 #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