#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 <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,
{
int num;
char *argv_cpy[numargs + 1];
- 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)
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-- ) {
- 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;
}
/* FreeBSD doesn't support file prefixes, so force compile failures for any
* tests attempting to use this function on FreeBSD.
*/
-#ifdef RTE_EXEC_ENV_LINUXAPP
+#ifdef RTE_EXEC_ENV_LINUX
static char *
get_current_prefix(char *prefix, int size)
{