limits.h: define PIPE_BUF.

2017-04-19 17:52:28 +02:00
parent 15d60d5e45
commit 41458d977a
2 changed files with 2 additions and 1 deletions
@@ -26,7 +26,7 @@ struct fd_info {

 /* maximum write size to a pipe/FIFO that is guaranteed not to be interleaved
   with other writes (aka {PIPE_BUF}; must be >= _POSIX_PIPE_BUF) */
-#define VFS_FIFO_ATOMIC_WRITE_SIZE	(4 * 1024)
+#define VFS_FIFO_ATOMIC_WRITE_SIZE	PIPE_BUF

 /* pipe/FIFO buffer capacity */
 #define VFS_FIFO_BUFFER_CAPACITY	(64 * 1024)