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c-user: Region directives use the allocator mutex

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Sebastian Huber 2017-01-27 07:58:48 +01:00
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1 changed files with 12 additions and 3 deletions
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c-user/region_manager.rst
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@ -286,7 +286,8 @@ DESCRIPTION:
equal to eight.
NOTES:
This directive will not cause the calling task to be preempted.
This directive will obtain the allocator mutex and may cause the calling
task to be preempted.
The following region attribute constants are defined by RTEMS:
@ -375,7 +376,8 @@ DESCRIPTION:
deleted region is reclaimed by RTEMS.
NOTES:
This directive will not cause the calling task to be preempted.
This directive will obtain the allocator mutex and may cause the calling
task to be preempted.
The calling task does not have to be the task that created the region. Any
local task that knows the region id can delete the region.
@ -419,7 +421,8 @@ DESCRIPTION:
bytes to the region specified by id.
NOTES:
This directive will not cause the calling task to be preempted.
This directive will obtain the allocator mutex and may cause the calling
task to be preempted.
The calling task does not have to be the task that created the region. Any
local task that knows the region id can extend the region.
@ -491,6 +494,9 @@ DESCRIPTION:
then the calling task will wait forever.
NOTES:
This directive will obtain the allocator mutex and may cause the calling
task to be preempted.
The actual length of the allocated segment may be larger than the requested
size because a segment size is always a multiple of the region's page size.
@ -643,6 +649,9 @@ DESCRIPTION:
unsatisfied.
NOTES:
This directive will obtain the allocator mutex and may cause the calling
task to be preempted.
If an attempt to increase the size of a segment fails, then the application
may want to allocate a new segment of the desired size, copy the contents
of the original segment to the new, larger segment and then return the