X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Fprocess.h;h=128ce41219a18d1fe1497a4b1a68d834ae210d66;hb=af0b0743e22d296284dae3d7fae39635baa00912;hp=2701127a2b829a10d7e88a7603def6c369b47ef2;hpb=5fbc1d498f548026cfdcd63f28330d687761f2a3;p=dpdk.git

diff --git a/app/test/process.h b/app/test/process.h
index 2701127a2b..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"
@@ -19,9 +23,11 @@
 #define exe "exe"
 #endif
 
+#ifdef RTE_LIBRTE_PDUMP
 #include <pthread.h>
 extern void *send_pkts(void *empty);
 extern uint16_t flag_for_send_pkts;
+#endif
 
 /*
  * launches a second copy of the test process using the given argv parameters,
@@ -36,7 +42,9 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
 	char *argv_cpy[numargs + 1];
 	int i, fd, status;
 	char path[32];
+#ifdef RTE_LIBRTE_PDUMP
 	pthread_t thread;
+#endif
 
 	pid_t pid = fork();
 	if (pid < 0)
@@ -63,19 +71,30 @@ 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
 	if ((strcmp(env_value, "run_pdump_server_tests") == 0))
 		pthread_create(&thread, NULL, &send_pkts, NULL);
+#endif
 
 	while (wait(&status) != pid)
 		;
+#ifdef RTE_LIBRTE_PDUMP
 	if ((strcmp(env_value, "run_pdump_server_tests") == 0)) {
 		flag_for_send_pkts = 0;
 		pthread_join(thread, NULL);
 	}
+#endif
 	return status;
 }