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Impose an upper limit on threads per threadpool.

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Found by Coverity; Fixes CID 1268069
This commit is contained in:
Nick Mathewson 2015-05-28 12:24:29 -04:00
parent 4a9f41e1ec
commit a194385d56
1 changed files with 5 additions and 0 deletions
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5
src/common/workqueue.c
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@ -359,12 +359,17 @@ threadpool_queue_update(threadpool_t *pool,
return 0; return 0;
} }
/** Don't have more than this many threads per pool. */
#define MAX_THREADS 1024
/** Launch threads until we have <b>n</b>. */ /** Launch threads until we have <b>n</b>. */
static int static int
threadpool_start_threads(threadpool_t *pool, int n) threadpool_start_threads(threadpool_t *pool, int n)
{ {
if (n < 0) if (n < 0)
return -1; return -1;
if (n > MAX_THREADS)
n = MAX_THREADS;
tor_mutex_acquire(&pool->lock); tor_mutex_acquire(&pool->lock);