Add --max-jobs/-j command line option

[fio.git] / os / os-mac.h

diff --git a/os/os-mac.h b/os/os-mac.h
index 1d6714143125cd6b5600a8c39bcf3455f3f536ac..7446a43d47e8c842a72b5b4e2e4469184ce4a974 100644 (file)
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -2,6 +2,7 @@
 #define FIO_OS_APPLE_H
 
 #include <errno.h>
 #define FIO_OS_APPLE_H
 
 #include <errno.h>

+#include <fcntl.h>

 #include <sys/disk.h>
 #include <sys/sysctl.h>
 #include <sys/time.h>
 #include <sys/disk.h>
 #include <sys/sysctl.h>
 #include <sys/time.h>


@@ -24,6 +25,12 @@
 
 #define OS_MAP_ANON            MAP_ANON
 
 
 #define OS_MAP_ANON            MAP_ANON
 

+/*
+ * 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. 
 typedef off_t off64_t;
 
 /* OS X as of 10.6 doesn't have the timer_* functions. 


@@ -107,6 +114,14 @@ static inline int timer_delete(timer_t timer)
        return 0;
 }
 
        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)
 {
     uint64_t temp = 1;
 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
 {
     uint64_t temp = 1;