X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Fprocess.h;h=128ce41219a18d1fe1497a4b1a68d834ae210d66;hb=af0b0743e22d296284dae3d7fae39635baa00912;hp=8894360a24f34fa57b90a702c8674a89899e3998;hpb=e9d48c0072d36eb6423b45fba4ec49d0def6c36f;p=dpdk.git

diff --git a/app/test/process.h b/app/test/process.h
index 8894360a24..128ce41219 100644
--- a/app/test/process.h
+++ b/app/test/process.h
@@ -1,40 +1,33 @@
-/*-
- *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- * 
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- * 
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #ifndef _PROCESS_H_
 #define _PROCESS_H_
 
-#ifndef RTE_EXEC_ENV_BAREMETAL
+#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"
+#else
+#define self "self"
+#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,
@@ -45,9 +38,13 @@
 static inline int
 process_dup(const char *const argv[], int numargs, const char *env_value)
 {
+	int num;
 	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)
@@ -57,31 +54,72 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
 		for (i = 0; i < numargs; i++)
 			argv_cpy[i] = strdup(argv[i]);
 		argv_cpy[i] = NULL;
+		num = numargs;
 
 		/* close all open file descriptors, check /proc/self/fd to only
 		 * call close on open fds. Exclude fds 0, 1 and 2*/
 		for (fd = getdtablesize(); fd > 2; fd-- ) {
-			rte_snprintf(path, sizeof(path), "/proc/self/fd/%d", fd);
+			snprintf(path, sizeof(path), "/proc/" exe "/fd/%d", fd);
 			if (access(path, F_OK) == 0)
 				close(fd);
 		}
 		printf("Running binary with argv[]:");
-		for (i = 0; i < numargs; i++)
+		for (i = 0; i < num; i++)
 			printf("'%s' ", argv_cpy[i]);
 		printf("\n");
 
 		/* 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;
 }
 
-#endif /* not baremetal */
+/* FreeBSD doesn't support file prefixes, so force compile failures for any
+ * tests attempting to use this function on FreeBSD.
+ */
+#ifdef RTE_EXEC_ENV_LINUX
+static char *
+get_current_prefix(char *prefix, int size)
+{
+	char path[PATH_MAX] = {0};
+	char buf[PATH_MAX] = {0};
+
+	/* get file for config (fd is always 3) */
+	snprintf(path, sizeof(path), "/proc/self/fd/%d", 3);
+
+	/* return NULL on error */
+	if (readlink(path, buf, sizeof(buf)) == -1)
+		return NULL;
+
+	/* get the prefix */
+	snprintf(prefix, size, "%s", basename(dirname(buf)));
+
+	return prefix;
+}
+#endif
 
 #endif /* _PROCESS_H_ */