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(parent: 9c65b32) | patch
separate atomic test-and-set from memory barrier.
authorRobert Morris <rtm@csail.mit.edu>
Fri, 12 Aug 2016 11:03:35 +0000 (07:03 -0400)
committerRobert Morris <rtm@csail.mit.edu>
Fri, 12 Aug 2016 11:03:35 +0000 (07:03 -0400)
commit20d05d4411e39ee8453310e73a6c92e4e3066e0b
treedfe3f078024f60886666a3c925b05952385eb515tree | snapshot
parent9c65b32d9e8d84372e193ae2516b46d504d38263commit | diff
separate atomic test-and-set from memory barrier.
* use xchg only for its atomicness.
* use __sync_synchronize() for both CPU and compiler barrier.
spinlock.c diff | blob | history
CS3210 lab 0