X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-mac.h;h=d202e99dd60a93bc3c11dd0088456bbc1a731adf;hp=77c21656d34bfbbeb3fcec50f9fc79a5439e4cb2;hb=35922a2138c5adc91a2b4b185b5d756900bde87d;hpb=2afd826bf6cd19900aee70ae14ede92d91b6f4c0

diff --git a/os/os-mac.h b/os/os-mac.h
index 77c21656..d202e99d 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -1,27 +1,148 @@
 #ifndef FIO_OS_APPLE_H
 #define FIO_OS_APPLE_H
 
+#define	FIO_OS	os_mac
+
 #include <errno.h>
+#include <fcntl.h>
+#include <sys/disk.h>
 #include <sys/sysctl.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+#include <mach/mach_init.h>
+#include <machine/endian.h>
+#include <libkern/OSByteOrder.h>
 
-#ifndef CLOCK_MONOTONIC
-#define CLOCK_MONOTONIC 1
-#endif
+#include "../file.h"
 
-#ifndef CLOCK_REALTIME
-#define CLOCK_REALTIME 1
-#endif
-
-#define FIO_HAVE_POSIXAIO
-#define FIO_USE_GENERIC_BDEV_SIZE
+#define FIO_USE_GENERIC_RAND
+#define FIO_USE_GENERIC_INIT_RANDOM_STATE
+#define FIO_HAVE_GETTID
+#define FIO_HAVE_CHARDEV_SIZE
 
 #define OS_MAP_ANON		MAP_ANON
 
-typedef unsigned long os_cpu_mask_t;
-typedef unsigned int os_random_state_t;
+#define fio_swap16(x)	OSSwapInt16(x)
+#define fio_swap32(x)	OSSwapInt32(x)
+#define fio_swap64(x)	OSSwapInt64(x)
+
+/*
+ * OSX has a pitifully small shared memory segment by default,
+ * so default to a lower number of max jobs supported
+ */
+#define FIO_MAX_JOBS		128
+
+typedef off_t off64_t;
+
+/* OS X as of 10.6 doesn't have the timer_* functions. 
+ * Emulate the functionality using setitimer and sigaction here
+ */
+
+#define MAX_TIMERS 64
+
 typedef unsigned int clockid_t;
+typedef unsigned int timer_t;
+
+struct itimerspec {
+	struct timespec it_value;
+	struct timespec it_interval;
+};
 
-static inline int blockdev_invalidate_cache(int fd)
+static struct sigevent fio_timers[MAX_TIMERS];
+static unsigned int num_timers = 0;
+
+static void sig_alrm(int signum)
+{
+	union sigval sv;
+	
+	for (int i = 0; i < num_timers; i++) {
+		if (fio_timers[i].sigev_notify_function == NULL)
+			continue;
+		
+		if (fio_timers[i].sigev_notify == SIGEV_THREAD)
+			fio_timers[i].sigev_notify_function(sv);
+		else if (fio_timers[i].sigev_notify == SIGEV_SIGNAL)
+			kill(getpid(), fio_timers[i].sigev_signo);
+	}
+}
+
+static inline int timer_settime(timer_t timerid, int flags,
+				const struct itimerspec *value,
+				struct itimerspec *ovalue)
+{
+	struct sigaction sa;
+	struct itimerval tv;
+	struct itimerval tv_out;
+	int rc;
+	
+	tv.it_interval.tv_sec = value->it_interval.tv_sec;
+	tv.it_interval.tv_usec = value->it_interval.tv_nsec / 1000;
+
+	tv.it_value.tv_sec = value->it_value.tv_sec;
+	tv.it_value.tv_usec = value->it_value.tv_nsec / 1000;
+
+	sa.sa_handler = sig_alrm;
+	sigemptyset(&sa.sa_mask);
+	sa.sa_flags = 0;
+	
+	rc = sigaction(SIGALRM, &sa, NULL);
+
+	if (!rc)
+		rc = setitimer(ITIMER_REAL, &tv, &tv_out);
+	
+	if (!rc && ovalue != NULL) {
+		ovalue->it_interval.tv_sec = tv_out.it_interval.tv_sec;
+		ovalue->it_interval.tv_nsec = tv_out.it_interval.tv_usec * 1000;
+		ovalue->it_value.tv_sec = tv_out.it_value.tv_sec;
+		ovalue->it_value.tv_nsec = tv_out.it_value.tv_usec * 1000;
+	}
+
+	return rc;
+}
+
+static inline int timer_delete(timer_t timer)
+{
+	return 0;
+}
+
+#define FIO_OS_DIRECTIO
+static inline int fio_set_odirect(int fd)
+{
+	if (fcntl(fd, F_NOCACHE, 1) == -1)
+		return errno;
+	return 0;
+}
+
+static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
+{
+	uint32_t block_size;
+	uint64_t block_count;
+
+	if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, &block_count) == -1)
+		return errno;
+	if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &block_size) == -1)
+		return errno;
+
+	*bytes = block_size;
+	*bytes *= block_count;
+	return 0;
+}
+
+static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
+{
+	/*
+	 * Could be a raw block device, this is better than just assuming
+	 * we can't get the size at all.
+	 */
+	if (!blockdev_size(f, bytes))
+		return 0;
+
+	*bytes = -1ULL;
+	return 0;
+}
+
+static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
 	return EINVAL;
 }
@@ -36,17 +157,15 @@ static inline unsigned long long os_phys_mem(void)
 	return mem;
 }
 
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
+static inline int gettid(void)
 {
-	srand(seed);
+	return mach_thread_self();
 }
 
-static inline long os_random_long(os_random_state_t *rs)
-{
-	long val;
-
-	val = rand_r(rs);
-	return val;
-}
+/*
+ * For some reason, there's no header definition for fdatasync(), even
+ * if it exists.
+ */
+extern int fdatasync(int fd);
 
 #endif