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lockfile: replace random() by rand() 

On Windows, we do not have functions srandom() and random(). Use srand()
and rand(). These functions produce random numbers of lesser quality,
but for the purpose (a retry time-out) they are still good enough.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Reviewed-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Sixt 2015-06-05 21:45:04 +02:00 committed by Junio C Hamano
parent f4ab4f3ab1
commit 1e9676ec0a
1 changed files with 2 additions and 2 deletions
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4
lockfile.c
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@ -191,7 +191,7 @@ static int lock_file_timeout(struct lock_file *lk, const char *path,
return lock_file(lk, path, flags);
if (!random_initialized) {
srandom((unsigned int)getpid());
srand((unsigned int)getpid());
random_initialized = 1;
}
@ -218,7 +218,7 @@ static int lock_file_timeout(struct lock_file *lk, const char *path,
backoff_ms = multiplier * INITIAL_BACKOFF_MS;
/* back off for between 0.75*backoff_ms and 1.25*backoff_ms */
wait_us = (750 + random() % 500) * backoff_ms;
wait_us = (750 + rand() % 500) * backoff_ms;
sleep_microseconds(wait_us);
remaining_us -= wait_us;