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Diffstat (limited to 'docs/nspr/reference/pr_clearinterrupt.rst')
-rw-r--r-- | docs/nspr/reference/pr_clearinterrupt.rst | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/docs/nspr/reference/pr_clearinterrupt.rst b/docs/nspr/reference/pr_clearinterrupt.rst new file mode 100644 index 0000000000..27900e40d9 --- /dev/null +++ b/docs/nspr/reference/pr_clearinterrupt.rst @@ -0,0 +1,29 @@ +PR_ClearInterrupt +================= + +Clears the interrupt request for the calling thread. + + +Syntax +------ + +.. code:: + + #include <prthread.h> + + void PR_ClearInterrupt(void); + + +Description +----------- + +Interrupting is a cooperative process, so it's possible that the thread +passed to :ref:`PR_Interrupt` may never respond to the interrupt request. +For example, the target thread may reach the agreed-on control point +without providing an opportunity for the runtime to notify the thread of +the interrupt request. In this case, the request for interrupt is still +pending with the thread and must be explicitly canceled. Therefore it is +sometimes necessary to call :ref:`PR_ClearInterrupt` to clear a previous +interrupt request. + +If no interrupt request is pending, :ref:`PR_ClearInterrupt` is a no-op. |