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-rw-r--r--pcp/PCPMetric.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/pcp/PCPMetric.c b/pcp/PCPMetric.c
index c8cfe71..f6d4c97 100644
--- a/pcp/PCPMetric.c
+++ b/pcp/PCPMetric.c
@@ -2,7 +2,7 @@
htop - PCPMetric.c
(C) 2020-2021 htop dev team
(C) 2020-2021 Red Hat, Inc.
-Released under the GNU GPLv2, see the COPYING file
+Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/
@@ -164,7 +164,10 @@ bool PCPMetric_fetch(struct timeval* timestamp) {
pmFreeResult(pcp->result);
pcp->result = NULL;
}
- int sts = pmFetch(pcp->totalMetrics, pcp->fetch, &pcp->result);
+ int sts, count = 0;
+ do {
+ sts = pmFetch(pcp->totalMetrics, pcp->fetch, &pcp->result);
+ } while (sts == PM_ERR_IPC && ++count < 3);
if (sts < 0) {
if (pmDebugOptions.appl0)
fprintf(stderr, "Error: cannot fetch metric values: %s\n",

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