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-rw-r--r--openmp/runtime/src/z_Linux_util.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/openmp/runtime/src/z_Linux_util.c b/openmp/runtime/src/z_Linux_util.c
index 237677b24cf..0ebd9c4a9b9 100644
--- a/openmp/runtime/src/z_Linux_util.c
+++ b/openmp/runtime/src/z_Linux_util.c
@@ -1123,6 +1123,13 @@ __kmp_create_monitor( kmp_info_t *th )
int status;
int auto_adj_size = FALSE;
+ if( __kmp_dflt_blocktime == KMP_MAX_BLOCKTIME ) {
+ // We don't need monitor thread in case of MAX_BLOCKTIME
+ KA_TRACE( 10, ("__kmp_create_monitor: skipping monitor thread because of MAX blocktime\n" ) );
+ th->th.th_info.ds.ds_tid = 0; // this makes reap_monitor no-op
+ th->th.th_info.ds.ds_gtid = 0;
+ return;
+ }
KA_TRACE( 10, ("__kmp_create_monitor: try to create monitor\n" ) );
KMP_MB(); /* Flush all pending memory write invalidates. */
@@ -1291,6 +1298,7 @@ __kmp_reap_monitor( kmp_info_t *th )
// If both tid and gtid are KMP_GTID_DNE, the monitor has been shut down.
KMP_DEBUG_ASSERT( th->th.th_info.ds.ds_tid == th->th.th_info.ds.ds_gtid );
if ( th->th.th_info.ds.ds_gtid != KMP_GTID_MONITOR ) {
+ KA_TRACE( 10, ("__kmp_reap_monitor: monitor did not start, returning\n") );
return;
}; // if
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