X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos.h;h=9a48c603534d9629da59b0f533a5b20919d0150f;hp=10e796fbcbe3313d1faee845bc26d751645aa011;hb=535313705d69dc16f27ca38acf2f9bf7205e410d;hpb=e8462bd8250cf3ff2d41f17e1a4d4cefc70b6b37

diff --git a/os/os.h b/os/os.h
index 10e796fb..9a48c603 100644
--- a/os/os.h
+++ b/os/os.h
@@ -7,6 +7,8 @@
 #include "os-freebsd.h"
 #elif defined(__sun__)
 #include "os-solaris.h"
+#elif defined(__APPLE__)
+#include "os-mac.h"
 #else
 #error "unsupported os"
 #endif
@@ -106,4 +108,37 @@ static inline int os_cache_line_size(void)
 #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