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-rw-r--r--src/vppinfra/unix-misc.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/vppinfra/unix-misc.c b/src/vppinfra/unix-misc.c
index 4dbc5ce98ce..29cbe0a557d 100644
--- a/src/vppinfra/unix-misc.c
+++ b/src/vppinfra/unix-misc.c
@@ -42,6 +42,8 @@
#include <vppinfra/format.h>
#ifdef __linux__
#include <vppinfra/linux/sysfs.h>
+#else
+#include <sys/sysctl.h>
#endif
#include <sys/stat.h>
@@ -358,6 +360,28 @@ os_get_cpu_phys_core_id (int cpu_id)
#endif
}
+__clib_export u8 *
+os_get_exec_path ()
+{
+ u8 *rv = 0;
+#ifdef __linux__
+ char tmp[PATH_MAX];
+ ssize_t sz = readlink ("/proc/self/exe", tmp, sizeof (tmp));
+
+ if (sz <= 0)
+ return 0;
+#else
+ char tmp[MAXPATHLEN];
+ int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
+ size_t sz = MAXPATHLEN;
+
+ if (sysctl (mib, 4, tmp, &sz, NULL, 0) == -1)
+ return 0;
+#endif
+ vec_add (rv, tmp, sz);
+ return rv;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*