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Mutual Exclusion

Mutual Exclusion - sections are still atomic but they are...

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Mutual Exclusion Mutex Locks also enforce the mutual exclusion of two or more sections of code. Mutex_lock(&m) A B C Mutex_unlock(&m) Mutex_lock(&m) D E F Mutex_unlock(&m)
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Mutual Exclusion This means that the sequence ABC, DEF, can be executed as an atomic block without interleaving. Time ------------------------> T1 -> ABC ABC T2 -> DEF DEF T3 -> ABC DEF
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Mutual Exclusion If different mutex locks are used then the
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Unformatted text preview: sections are still atomic but they are not mutually exclusive (m1!=m2) Mutex_lock(&m1) A B C Mutex_unlock(&m1) Mutex_lock(&m2) D E F Mutex_unlock(&m2) Mutual Exclusion This means that the sequence ABC, and DEF are atomic but they can interleave each other, Time ------------------------> T1 -> AB C A BC T2 -> D EF D EF T3 -> ABC DEF...
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