Dynamic Area TestShrink (changes)
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OS_DynamicArea
» Dynamic Area Handler Code
» Dynamic Area TestShrink
| Entry | |
|---|---|
| R0 | 4 (handler reason) |
| R4 | Current size of area (bytes) |
| R5 | Page size (bytes) |
| R12 | Workspace pointer passed to OS_DynamicArea 0 or base of area |
| Exit | |
|---|---|
| R0 | Preserved |
| R3 | Maximum amount area could shrink by, in bytes |
| R4 | Preserved |
| R5 | Preserved |
| R12 | Preserved |
Use
The purpose of this call is to control how much of the dynamic area current size may be regarded as free by the kernel, and reclaimed if necessary via a normal shrink. This call is only made for shrinkable dynamic areas.
See also
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