X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Fprocess.h;h=128ce41219a18d1fe1497a4b1a68d834ae210d66;hb=721c953018205e228ab87a5e46d053ce7a6f02f6;hp=513bc9420d8cbbefaf5a612c962695cd7a7ec55e;hpb=6d27d8c0548ea9832f3bc4dc50a9e2ab2e05f00c;p=dpdk.git

diff --git a/app/test/process.h b/app/test/process.h
index 513bc9420d..128ce41219 100644
--- a/app/test/process.h
+++ b/app/test/process.h
@@ -5,12 +5,16 @@
 #ifndef _PROCESS_H_
 #define _PROCESS_H_
 
+#include <errno.h>  /* errno */
 #include <limits.h> /* PATH_MAX */
 #include <libgen.h> /* basename et al */
 #include <stdlib.h> /* NULL */
+#include <string.h> /* strerror */
 #include <unistd.h> /* readlink */
 #include <sys/wait.h>
 
+#include <rte_string_fns.h> /* strlcpy */
+
 #ifdef RTE_EXEC_ENV_FREEBSD
 #define self "curproc"
 #define exe "file"
@@ -67,8 +71,15 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
 		/* set the environment variable */
 		if (setenv(RECURSIVE_ENV_VAR, env_value, 1) != 0)
 			rte_panic("Cannot export environment variable\n");
-		if (execv("/proc/" self "/" exe, argv_cpy) < 0)
-			rte_panic("Cannot exec\n");
+
+		strlcpy(path, "/proc/" self "/" exe, sizeof(path));
+		if (execv(path, argv_cpy) < 0) {
+			if (errno == ENOENT) {
+				printf("Could not find '%s', is procfs mounted?\n",
+						path);
+			}
+			rte_panic("Cannot exec: %s\n", strerror(errno));
+		}
 	}
 	/* parent process does a wait */
 #ifdef RTE_LIBRTE_PDUMP