[riot-notifications] [RIOT-OS/RIOT] sys/rtt_stdio: reserve file descriptors for stdin, stdout, and stderr (#8654)
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Wed Feb 28 03:18:51 CET 2018
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### Contribution description
The uart_stdio module binds to file descriptors 0, 1, and 2 when VFS is enabled. This modifies rtt_stdio to do the same. Without this pull request, stdio does not work as expected when rtt_stdio and VFS are used simultaneously.
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### Issues/PRs references
Fixes the second half of #8309. The first half of #8309 was fixed by #8552. See also Pull Request #8310.
Examples: Fixes #1234. See also #5678. Depends on PR #9876.
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-- Commit Summary --
* sys/rtt_stdio: reserve file descriptors for stdin, stdout, and stderr
-- File Changes --
M sys/rtt_stdio/rtt_stdio.c (58)
-- Patch Links --
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