haiwan
/
ck
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ck_bytelock: Remove backoff behavior by default.

Browse Source
ck_pring
Samy Al Bahra 13 years ago
parent 11505f8417
commit 7dd549418a
1 changed files with 1 additions and 5 deletions
Show Stats Download Patch File Download Diff File

6
include/ck_bytelock.h
Unescape View File

@ -35,7 +35,6 @@
* SPAA '10. ACM, New York, NY, 284-293. * SPAA '10. ACM, New York, NY, 284-293.
*/ */
#include <ck_backoff.h>
#include <ck_cc.h> #include <ck_cc.h>
#include <ck_md.h> #include <ck_md.h>
#include <ck_pr.h> #include <ck_pr.h>
@ -84,13 +83,10 @@ ck_bytelock_write_lock(struct ck_bytelock *bytelock, unsigned int slot)
{ {
unsigned int i; unsigned int i;
uint64_t *readers = (void *)bytelock->readers; uint64_t *readers = (void *)bytelock->readers;
ck_backoff_t backoff = CK_BACKOFF_INITIALIZER;
/* Announce upcoming writer acquisition. */ /* Announce upcoming writer acquisition. */
while (ck_pr_cas_uint(&bytelock->owner, 0, slot) == false) { while (ck_pr_cas_uint(&bytelock->owner, 0, slot) == false)
ck_backoff_eb(&backoff);
ck_pr_stall(); ck_pr_stall();
}
/* If we are slotted, we might be upgrading from a read lock. */ /* If we are slotted, we might be upgrading from a read lock. */
if (slot < sizeof bytelock->readers) if (slot < sizeof bytelock->readers)

Write Preview
Loading…
Cancel
Save