New upstream version 18.08

[deb_dpdk.git] / test / test / process.h

diff --git a/test/test/process.h b/test/test/process.h
index 11986d5..ba3a185 100644 (file)
--- a/test/test/process.h
+++ b/test/test/process.h
@@ -5,6 +5,11 @@
 #ifndef _PROCESS_H_
 #define _PROCESS_H_
 
+#include <limits.h> /* PATH_MAX */
+#include <libgen.h> /* basename et al */
+#include <stdlib.h> /* NULL */
+#include <unistd.h> /* readlink */
+
 #ifdef RTE_EXEC_ENV_BSDAPP
 #define self "curproc"
 #define exe "file"
@@ -61,4 +66,28 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
        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
+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_ */