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Graphics Interchange Format  |  1997-01-14  |  166KB  |  783x580  |  4-bit (16 colors)

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OCR: Figure 10 Multiread XOR Single Write Without Writer Starvation Scenario Writer 1 Reader 1 Reader 2 Writer 2 Reader 3 Claims cs Exclusive Writer 1 starts Blocks on caExclusive Reader 1 blocks Blocks on esExclusive Reader 2 blocks Blocks on csExclusive Writer 2 blocks Blocks on csExclusive Reader 3 blocks Releases csExclusive Writer 1 ends Claims csExclusive Claims cs Reader cReaders = 1 Resets hevReadDone Releases csReader Releases csExclusive Reader 1 starts Claims csExclusive Claims cs Reader cReaders= 2 Releases csReader Releases c Exclusive Reader 2 starts Claims csExclusive Blocks on hevReadDone Claims csReader 3 cReaders = 1 Releases csReader Reader 1 ends Claims csReader cReaders = 0 Sets hevReadDone Reader 2 ends Awakens from hevReadDone Writer 2 starts Releases csReader. Releases csExclusive Writer 2 ends Claims es Exclusive Claims cs Reader cReaders = 1 Resets hev ReadDone Releases csExclusive Releases csReader Reader 3 starts

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