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Add test and correct code for the unusual case of a task using an event group to synchronise only with itself.

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Add critical sections around call to prvResetNextTaskUnblockTime() that can occur from within a task.
This commit is contained in:
Richard Barry 2014-03-31 02:12:17 +00:00
parent ef7f3c5320
commit 82207ebffa
3 changed files with 43 additions and 3 deletions
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2
FreeRTOS/Source/event_groups.c
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@ -179,7 +179,7 @@ BaseType_t xTimeoutOccurred = pdFALSE;
/* Rendezvous always clear the bits. They will have been cleared
already unless this is the only task in the rendezvous. */
pxEventBits->uxEventBits &= uxBitsToWaitFor;
pxEventBits->uxEventBits &= ~uxBitsToWaitFor;
xTicksToWait = 0;
}

12
FreeRTOS/Source/tasks.c
View file

@ -760,7 +760,11 @@ TCB_t * pxNewTCB;
{
/* Reset the next expected unblock time in case it referred to
the task that has just been deleted. */
prvResetNextTaskUnblockTime();
taskENTER_CRITICAL();
{
prvResetNextTaskUnblockTime();
}
taskEXIT_CRITICAL();
}
}
}
@ -1259,7 +1263,11 @@ TCB_t * pxNewTCB;
/* A task other than the currently running task was suspended,
reset the next expected unblock time in case it referred to the
task that is now in the Suspended state. */
prvResetNextTaskUnblockTime();
taskENTER_CRITICAL();
{
prvResetNextTaskUnblockTime();
}
taskEXIT_CRITICAL();
}
else
{