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17 lines
525 B
Plaintext
17 lines
525 B
Plaintext
- we should probably extend pthread_mutexattr_t with a field to create a
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single linked list of all instances. This requires changing the
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pthread_mutexattr_* functions.
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- a new attribute for mutexes: number of times we spin before calling
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sys_futex
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- for adaptive mutexes: when releasing, determine whether somebody spins.
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If yes, for a short time release lock. If someone else locks no wakeup
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syscall needed.
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- test with threaded process terminating and semadj (?) being applied
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only after all threads are gone
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