X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos.h;h=9a48c603534d9629da59b0f533a5b20919d0150f;hp=5a3bc559186a2c076635a91c6cf85c72a9b80211;hb=535313705d69dc16f27ca38acf2f9bf7205e410d;hpb=85daf2c1102ed4fdf1477cfd372046efbe08046e

diff --git a/os/os.h b/os/os.h
index 5a3bc559..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
@@ -39,7 +41,7 @@
 #endif /* FIO_HAVE_FADVISE */
 
 #ifndef FIO_HAVE_CPU_AFFINITY
-#define fio_setaffinity(td)		(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)
@@ -90,4 +92,53 @@ static inline int load_blktrace(struct thread_data *td, const char *fname)
 }
 #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