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Update random() usage so ranges are inclusive/exclusive as required.

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This commit is contained in:
Bruce Momjian
2006-02-03 12:45:47 +00:00
parent eb7bd06983
commit 59bb147353
4 changed files with 10 additions and 17 deletions
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4
src/backend/storage/lmgr/s_lock.c
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@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.41 2005/11/22 18:17:21 momjian Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/s_lock.c,v 1.42 2006/02/03 12:45:47 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -120,7 +120,7 @@ s_lock(volatile slock_t *lock, const char *file, int line)
/* increase delay by a random fraction between 1X and 2X */
cur_delay += (int) (cur_delay *
(((double) random()) / ((double) MAX_RANDOM_VALUE)) + 0.5);
((double) random() / (double) MAX_RANDOM_VALUE) + 0.5);
/* wrap back to minimum delay when max is exceeded */
if (cur_delay > MAX_DELAY_MSEC)
cur_delay = MIN_DELAY_MSEC;