mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
![Jens Axboe](/assets/img/avatar_default.png)
This adds two test programs in tools/io_uring/ that demonstrate both the raw io_uring API (and all features) through a small benchmark app, io_uring-bench, and the liburing exposed API in a simplified cp(1) implementation through io_uring-cp. Signed-off-by: Jens Axboe <axboe@kernel.dk>
16 lines
441 B
C
16 lines
441 B
C
#ifndef LIBURING_BARRIER_H
|
|
#define LIBURING_BARRIER_H
|
|
|
|
#if defined(__x86_64) || defined(__i386__)
|
|
#define read_barrier() __asm__ __volatile__("":::"memory")
|
|
#define write_barrier() __asm__ __volatile__("":::"memory")
|
|
#else
|
|
/*
|
|
* Add arch appropriate definitions. Be safe and use full barriers for
|
|
* archs we don't have support for.
|
|
*/
|
|
#define read_barrier() __sync_synchronize()
|
|
#define write_barrier() __sync_synchronize()
|
|
#endif
|
|
|
|
#endif
|