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commit bc894c85df7a1dbcd490403bf5c62acd292e063a Author: Marco Casaroli <[email protected]> AuthorDate: Mon Oct 19 15:40:28 2026 +0200 Documentation: Describe the file mode creation mask of a task. A task keeps its file mode creation mask, and the tasks that it creates get the same mask. Assisted-by: Claude Code:claude-opus-5-5 Signed-off-by: Marco Casaroli <[email protected]> --- Documentation/reference/user/01_task_control.rst | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/reference/user/01_task_control.rst b/Documentation/reference/user/01_task_control.rst index f817311dde8..50df43ba4f1 100644 --- a/Documentation/reference/user/01_task_control.rst +++ b/Documentation/reference/user/01_task_control.rst @@ -48,6 +48,10 @@ it creates get the same limits. NuttX enforces two of them: ``getrlimit()`` reports the other resources as ``RLIM_INFINITY``, and ``setrlimit()`` fails with ``EINVAL`` for them. +**File Mode Creation Mask**. A task keeps its file mode creation mask +(``umask()``), and the tasks that it creates get the same mask. All the +threads of a task use one mask. Kernel threads use the mask 0. + **Task Control Interfaces**. The following task control interfaces are provided by NuttX:
