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vfs/log: block indefinitely on read access

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With this change, the log file system mimics the behaviour of
/dev/stdin.

Fixes #4649
This commit is contained in:
Johannes Schlatow 2022-10-27 15:19:18 +02:00 committed by Christian Helmuth
parent 7a5eab9541
commit b2189ae88b
1 changed files with 3 additions and 3 deletions
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6
repos/os/src/lib/vfs/log_file_system.h
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@ -91,10 +91,10 @@ class Vfs::Log_file_system : public Single_file_system
if (_line_pos > 0) _flush();
}
Read_result read(char *, file_size, file_size &out_count) override
Read_result read(char *, file_size, file_size &) override
{
out_count = 0;
return READ_OK;
/* block indefinitely - mimics stdout resp. stdin w/o input */
return READ_QUEUED;
}
Write_result write(char const *src, file_size count,