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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2023/01/06 14:32:42 UTC

[GitHub] [nuttx] xiaoxiang781216 commented on a diff in pull request #8052: drivers/pipe:add PIPEIOC_POLLTHRES to set POLLIN threshold

xiaoxiang781216 commented on code in PR #8052:
URL: https://github.com/apache/nuttx/pull/8052#discussion_r1063481601


##########
drivers/pipes/pipe_common.h:
##########
@@ -120,6 +120,7 @@ struct pipe_dev_s
   pipe_ndx_t d_wrndx;       /* Index in d_buffer to save next byte written */
   pipe_ndx_t d_rdndx;       /* Index in d_buffer to return the next byte read */
   pipe_ndx_t d_bufsize;     /* allocated size of d_buffer in bytes */
+  pipe_ndx_t d_pollthres;   /* Buffer threshold for POLLIN to occur */

Review Comment:
   should we support POLLOUT direction too



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