-/*-
- * 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 <dirent.h>
+#include <sys/wait.h>
-#ifdef RTE_EXEC_ENV_BSDAPP
+#include <rte_string_fns.h> /* strlcpy */
+
+#ifdef RTE_EXEC_ENV_FREEBSD
#define self "curproc"
#define exe "file"
#else
#define exe "exe"
#endif
+#ifdef RTE_LIBRTE_PDUMP
+#ifdef RTE_LIBRTE_RING_PMD
+#include <pthread.h>
+extern void *send_pkts(void *empty);
+extern uint16_t flag_for_send_pkts;
+#endif
+#endif
+
/*
* launches a second copy of the test process using the given argv parameters,
* which should include argv[0] as the process name. To identify in the
process_dup(const char *const argv[], int numargs, const char *env_value)
{
int num;
-#ifdef RTE_LIBRTE_XEN_DOM0
- char *argv_cpy[numargs + 2];
-#else
char *argv_cpy[numargs + 1];
-#endif
- int i, fd, status;
+ int i, status;
char path[32];
+#ifdef RTE_LIBRTE_PDUMP
+#ifdef RTE_LIBRTE_RING_PMD
+ pthread_t thread;
+#endif
+#endif
pid_t pid = fork();
if (pid < 0)
/* make a copy of the arguments to be passed to exec */
for (i = 0; i < numargs; i++)
argv_cpy[i] = strdup(argv[i]);
- #ifdef RTE_LIBRTE_XEN_DOM0
- argv_cpy[i] = strdup("--xen-dom0");
- argv_cpy[i + 1] = NULL;
- num = numargs + 1;
- #else
argv_cpy[i] = NULL;
num = numargs;
- #endif
- /* 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-- ) {
- snprintf(path, sizeof(path), "/proc/" exe "/fd/%d", fd);
- if (access(path, F_OK) == 0)
+#ifdef RTE_EXEC_ENV_LINUX
+ {
+ const char *procdir = "/proc/" self "/fd/";
+ struct dirent *dirent;
+ char *endptr;
+ int fd, fdir;
+ DIR *dir;
+
+ /* close all open file descriptors, check /proc/self/fd
+ * to only call close on open fds. Exclude fds 0, 1 and
+ * 2
+ */
+ dir = opendir(procdir);
+ if (dir == NULL) {
+ rte_panic("Error opening %s: %s\n", procdir,
+ strerror(errno));
+ }
+
+ fdir = dirfd(dir);
+ if (fdir < 0) {
+ status = errno;
+ closedir(dir);
+ rte_panic("Error %d obtaining fd for dir %s: %s\n",
+ fdir, procdir,
+ strerror(status));
+ }
+
+ while ((dirent = readdir(dir)) != NULL) {
+ errno = 0;
+ fd = strtol(dirent->d_name, &endptr, 10);
+ if (errno != 0 || endptr[0] != '\0') {
+ printf("Error converting name fd %d %s:\n",
+ fd, dirent->d_name);
+ continue;
+ }
+
+ if (fd == fdir || fd <= 2)
+ continue;
+
close(fd);
+ }
+ closedir(dir);
}
+#endif
printf("Running binary with argv[]:");
for (i = 0; i < num; i++)
printf("'%s' ", argv_cpy[i]);
/* 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
+#ifdef RTE_LIBRTE_RING_PMD
+ if ((strcmp(env_value, "run_pdump_server_tests") == 0))
+ pthread_create(&thread, NULL, &send_pkts, NULL);
+#endif
+#endif
+
while (wait(&status) != pid)
- ;
+ ;
+#ifdef RTE_LIBRTE_PDUMP
+#ifdef RTE_LIBRTE_RING_PMD
+ if ((strcmp(env_value, "run_pdump_server_tests") == 0)) {
+ flag_for_send_pkts = 0;
+ pthread_join(thread, NULL);
+ }
+#endif
+#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_ */
git.droids-corp.org / dpdk.git / blobdiff