test: check thread creation

[ upstream commit a20cb9d ]

There was a call for thread create function without result check.
Add result check and message print out after failure.

Fixes: 086eb64 ("test/pdump: add unit test for pdump library")

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Reshma Pattan <reshma.pattan@intel.com>

app/test/process.h

@@ -48,6 +48,7 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
 #ifdef RTE_LIBRTE_PDUMP
 #ifdef RTE_LIBRTE_RING_PMD
 	pthread_t thread;
+	int rc;
 #endif
 #endif
 
@@ -126,8 +127,13 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
 	/* parent process does a wait */
 #ifdef RTE_LIBRTE_PDUMP
 #ifdef RTE_LIBRTE_RING_PMD
-	if ((strcmp(env_value, "run_pdump_server_tests") == 0))
-		pthread_create(&thread, NULL, &send_pkts, NULL);
+	if ((strcmp(env_value, "run_pdump_server_tests") == 0)) {
+		rc = pthread_create(&thread, NULL, &send_pkts, NULL);
+		if (rc != 0) {
+			rte_panic("Cannot start send pkts thread: %s\n",
+				  strerror(rc));
+		}
+	}
 #endif
 #endif