[GitHub] [incubator-nuttx] pkarashchenko commented on a change in pull request #5475: drivers/pipe: Don't use sched_[lock|unlock] to do protection

[GitBox <gi...@apache.org>]

pkarashchenko commented on a change in pull request #5475:
URL: https://github.com/apache/incubator-nuttx/pull/5475#discussion_r808851731



##########
File path: drivers/pipes/pipe_common.c
##########
@@ -232,19 +232,18 @@ int pipecommon_open(FAR struct file *filep)
       dev->d_nreaders++;
     }
 
-  /* If opened for read-only, then wait for either (1) at least one writer
-   * on the pipe (policy == 0), or (2) until there is buffered data to be
-   * read (policy == 1).
-   */
+  while (!(filep->f_oflags & O_NONBLOCK) &&        /* Non-blocking */

Review comment:
       ```suggestion
     while ((filep->f_oflags & O_NONBLOCK) == 0 &&        /* Non-blocking */
   ```




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