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ck_epoch: Update comment to reflect my findings.

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ck_pring
Samy Al Bahra 13 years ago
parent 57104fcde7
commit 0efd4dfe21
1 changed files with 2 additions and 2 deletions
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src/ck_epoch.c
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@ -38,8 +38,8 @@
#include <stdbool.h> #include <stdbool.h>
/* /*
* Only three distinct epoch values are needed. If any thread is in * Four rather than three distinct values are used for reclamation.
* a "critical section" then it would have acquired some snapshot (e) * Any thread in a "critical section" would have acquired some snapshot (e)
* of the global epoch value (e_g) and set an active flag. Any hazardous * of the global epoch value (e_g) and set an active flag. Any hazardous
* references will only occur after a full memory barrier. For example, * references will only occur after a full memory barrier. For example,
* assume an initial e_g value of 1, e value of 0 and active value of 0. * assume an initial e_g value of 1, e value of 0 and active value of 0.

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