Differences
This shows you the differences between two versions of the page.
| Last revisionBoth sides next revision |
| en:ibm:prcp:mou:synch [2016/02/04 07:40] – created valerius | en:ibm:prcp:mou:synch [2016/02/04 07:42] – valerius |
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| **Remarks** | **Remarks** |
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| [[en:ibm:prcp:mou:synch|MouSynch]] blocks all other threads within a session until the semaphore clears (returns from the subsystem to the router). To ensure proper synchronization, MouSynch should be issued by a mouse subsystem if it intends to access dynamically modifiable shared data for each session or if it intends to issue a [[en:ibm:prcp:dos:devioctl|DosDevIOCtl]]. [[en:ibm:prcp:mou:synch|MouSynch]] does not protect globally shared data from threads in other sessions. | [[en:ibm:prcp:mou:synch|MouSynch]] blocks all other threads within a session until the semaphore clears (returns from the subsystem to the router). To ensure proper synchronization, MouSynch should be issued by a mouse subsystem if it intends to access dynamically modifiable shared data for each session or if it intends to issue a [[en:ibm:prcp:cpi:dosdevioctl|DosDevIOCtl]]. [[en:ibm:prcp:mou:synch|MouSynch]] does not protect globally shared data from threads in other sessions. |
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