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limits.h: define PIPE_BUF.

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This commit is contained in:
Jérôme Duval
2017-04-19 17:52:28 +02:00
parent 15d60d5e45
commit 41458d977a
2 changed files with 2 additions and 1 deletions
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headers/posix/limits.h
+1
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@@ -40,6 +40,7 @@
#define OPEN_MAX (128) #define OPEN_MAX (128)
#define PAGESIZE (4096) #define PAGESIZE (4096)
#define PATH_MAX (1024) #define PATH_MAX (1024)
#define PIPE_BUF (4 * 1024)
#define PIPE_MAX (512) #define PIPE_MAX (512)
#define PTHREAD_KEYS_MAX 256 #define PTHREAD_KEYS_MAX 256
#define PTHREAD_STACK_MIN (2 * PAGESIZE) #define PTHREAD_STACK_MIN (2 * PAGESIZE)
headers/private/system/vfs_defs.h
+1 -1
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@@ -26,7 +26,7 @@ struct fd_info {
/* maximum write size to a pipe/FIFO that is guaranteed not to be interleaved /* 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) */ 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 */ /* pipe/FIFO buffer capacity */
#define VFS_FIFO_BUFFER_CAPACITY (64 * 1024) #define VFS_FIFO_BUFFER_CAPACITY (64 * 1024)