test/mem: disable ASan when accessing unallocated memory

[dpdk.git] / lib / eal / common / eal_common_proc.c

diff --git a/lib/eal/common/eal_common_proc.c b/lib/eal/common/eal_common_proc.c
index ebd0f66..3130605 100644 (file)
--- a/lib/eal/common/eal_common_proc.c
+++ b/lib/eal/common/eal_common_proc.c
@@ -15,7 +15,6 @@
 #include <string.h>
 #include <sys/file.h>
 #include <sys/time.h>
-#include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <unistd.h>
@@ -27,7 +26,6 @@
 #include <rte_errno.h>
 #include <rte_lcore.h>
 #include <rte_log.h>
-#include <rte_tailq.h>
 
 #include "eal_memcfg.h"
 #include "eal_private.h"
@@ -282,8 +280,17 @@ read_msg(struct mp_msg_internal *m, struct sockaddr_un *s)
        msgh.msg_control = control;
        msgh.msg_controllen = sizeof(control);
 
+retry:
        msglen = recvmsg(mp_fd, &msgh, 0);
+
+       /* zero length message means socket was closed */
+       if (msglen == 0)
+               return 0;
+
        if (msglen < 0) {
+               if (errno == EINTR)
+                       goto retry;
+
                RTE_LOG(ERR, EAL, "recvmsg failed, %s\n", strerror(errno));
                return -1;
        }
@@ -311,7 +318,7 @@ read_msg(struct mp_msg_internal *m, struct sockaddr_un *s)
                RTE_LOG(ERR, EAL, "invalid received data length\n");
                return -1;
        }
-       return 0;
+       return msglen;
 }
 
 static void
@@ -385,8 +392,13 @@ mp_handle(void *arg __rte_unused)
        struct sockaddr_un sa;
 
        while (mp_fd >= 0) {
-               if (read_msg(&msg, &sa) == 0)
-                       process_msg(&msg, &sa);
+               int ret;
+
+               ret = read_msg(&msg, &sa);
+               if (ret <= 0)
+                       break;
+
+               process_msg(&msg, &sa);
        }
 
        return NULL;