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| author | Joel Sherrill <joel@rtems.org> | 2020-01-24 07:59:38 -0600 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2020-01-24 07:59:38 -0600 |
| commit | 565df3126357f05c46a689f12fbc1bd8fe60abf2 (patch) | |
| tree | d97f7aebe4e6089a8ce832d14e0c3b9d4b47375b /posix-users/message_passing.rst | |
| parent | Updated docs to use the standalone SIS simulator, instead of GDB inbuilt SIS ... (diff) | |
| download | rtems-docs-565df3126357f05c46a689f12fbc1bd8fe60abf2.tar.bz2 | |
posix-users/message_passing.rst: Add status for cannot block in ISR
Updates #3857.
Diffstat (limited to 'posix-users/message_passing.rst')
| -rw-r--r-- | posix-users/message_passing.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/posix-users/message_passing.rst b/posix-users/message_passing.rst index 50c43dd..c003967 100644 --- a/posix-users/message_passing.rst +++ b/posix-users/message_passing.rst @@ -550,6 +550,8 @@ mq_receive - Receive a Message from a Message Queue - The msg_len is less than the ``mq_msgsize`` attribute of the message queue * - ``EAGAIN`` - The message queue is non-blocking, and the queue is empty + * - ``EAGAIN`` + - The operation would block but has been called from an ISR * - ``EINTR`` - The message queue is blocking. While the process was waiting for a message to arrive on the queue, a signal arrived that interrupted the wait. |