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Diffstat (limited to 'nuttx/Documentation/NuttxUserGuide.html')
| -rw-r--r-- | nuttx/Documentation/NuttxUserGuide.html | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/nuttx/Documentation/NuttxUserGuide.html b/nuttx/Documentation/NuttxUserGuide.html index 60c63f181..a5997f972 100644 --- a/nuttx/Documentation/NuttxUserGuide.html +++ b/nuttx/Documentation/NuttxUserGuide.html @@ -1261,6 +1261,9 @@ interface of the same name. is not queued and <code>ERROR</code> is returned. </p> <p> +<b>NOTE</b>: <i>mq_send()</i> may be called from an interrupt handler. +<p> +<p> <b>Input Parameters:</b> </p> <ul> @@ -2236,7 +2239,7 @@ If the value of the semaphore resulting from this operation is zero, then on of the tasks blocked waiting for the semaphore will be allowed to return successfully from its call to <i>sem_wait()</i>. <p> -<b>NOTE</b>: <i>sem_post()</i> may be called from an interrupt handler. +<b>NOTE</b>: <i>sem_post()</i> may be called from an interrupt handler. <p> <b>Input Parameters:</b> <ul> @@ -2250,9 +2253,9 @@ return successfully from its call to <i>sem_wait()</i>. </ul> <p> -<b>Assumptions/Limitations:</b> This function cannot be called -from an interrupt handler. It assumes the currently executing -task is the one that is performing the unlock. +<b>Assumptions/Limitations:</b>. +When called from an interrupt handler, it will appear as though the +interrupt task is the one that is performing the unlock. <p> <b> POSIX Compatibility:</b> Comparable to the POSIX interface of the same name. |