[PATCH v7 08/11] eal: replace rte_panic instances in interrupts thread

[Arnon Warshavsky <arnon@qwilt.com>]

replace panic calls with log and return value.
Thread function removes the noreturn attribute.

Signed-off-by: Arnon Warshavsky <arnon@qwilt.com>
---
 lib/librte_eal/linuxapp/eal/eal_interrupts.c | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 58e9328..77e6f2a 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -785,7 +785,7 @@ struct rte_intr_source {
  * @return
  *  never return;
  */
-static __attribute__((noreturn)) void *
+static void *
 eal_intr_thread_main(__rte_unused void *arg)
 {
 	struct epoll_event ev;
@@ -803,8 +803,11 @@ static __attribute__((noreturn)) void *
 
 		/* create epoll fd */
 		int pfd = epoll_create(1);
-		if (pfd < 0)
-			rte_panic("Cannot create epoll instance\n");
+		if (pfd < 0) {
+			RTE_LOG(CRIT, EAL, "%s(): Cannot create epoll instance\n",
+					__func__);
+			return NULL;
+		}
 
 		pipe_event.data.fd = intr_pipe.readfd;
 		/**
@@ -813,8 +816,11 @@ static __attribute__((noreturn)) void *
 		 */
 		if (epoll_ctl(pfd, EPOLL_CTL_ADD, intr_pipe.readfd,
 						&pipe_event) < 0) {
-			rte_panic("Error adding fd to %d epoll_ctl, %s\n",
+			RTE_LOG(CRIT, EAL, "%s(): Error adding fd to %d "
+					"epoll_ctl, %s\n",
+					__func__,
 					intr_pipe.readfd, strerror(errno));
+			return NULL;
 		}
 		numfds++;
 
@@ -831,9 +837,12 @@ static __attribute__((noreturn)) void *
 			 * into wait list.
 			 */
 			if (epoll_ctl(pfd, EPOLL_CTL_ADD,
-					src->intr_handle.fd, &ev) < 0){
-				rte_panic("Error adding fd %d epoll_ctl, %s\n",
-					src->intr_handle.fd, strerror(errno));
+					src->intr_handle.fd, &ev) < 0) {
+				RTE_LOG(CRIT, EAL, "%s(): Error adding fd %d epoll_ctl, %s\n",
+					__func__,
+					src->intr_handle.fd,
+					strerror(errno));
+				return NULL;
 			}
 			else
 				numfds++;
@@ -848,6 +857,8 @@ static __attribute__((noreturn)) void *
 		 */
 		close(pfd);
 	}
+
+	return NULL;
 }
 
 int
-- 
1.8.3.1