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opal/progress: use 32-bit atomics for call counter #1232

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Jun 18, 2016
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opal/progress: use 32-bit atomics for call counter #1232

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4 changes: 2 additions & 2 deletions opal/runtime/opal_progress.c
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Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,7 @@ opal_progress_finalize(void)
void
opal_progress(void)
{
static volatile uint64_t num_calls = 0;
static volatile uint32_t num_calls = 0;
size_t i;
int events = 0;

Expand Down Expand Up @@ -225,7 +225,7 @@ opal_progress(void)
events += (callbacks[i])();
}

if ((OPAL_THREAD_ADD64((volatile int64_t *) &num_calls, 1) & callbacks_lp_mask) == 0) {
if ((OPAL_THREAD_ADD32((volatile int32_t *) &num_calls, 1) & callbacks_lp_mask) == 0) {
/* run low priority callbacks once every 8 calls to opal_progress() */
for (i = 0 ; i < callbacks_lp_len ; ++i) {
events += (callbacks_lp[i])();
Expand Down