Fix unlinking of /dev/shm files.

- api-segment prefix not used when unlinking shm files
- unlink root region on exit if no clients referenced
- stale reference to freed segment name
- don't add fake client to /db unless CLIB_DEBUG > 2
- turn off the gmond plugin
- clean up unused vars in vpp/api

Change-Id: I66451fcfd6ee64a12466c2d6c209050e3cdb74b7
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Signed-off-by: Dave Barach <dave@barachs.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c
index 6cda1f279e8..23e3cf443c3 100644
--- a/src/svm/ssvm.c
+++ b/src/svm/ssvm.c
@@ -29,6 +29,9 @@ ssvm_master_init (ssvm_private_t * ssvm, u32 master_index)
   if (ssvm->ssvm_size == 0)
     return SSVM_API_ERROR_NO_SIZE;
 
+  if (CLIB_DEBUG > 1)
+    clib_warning ("[%d] creating segment '%s'", getpid (), ssvm->name);
+
   ssvm_filename = format (0, "/dev/shm/%s%c", ssvm->name, 0);
 
   unlink ((char *) ssvm_filename);
@@ -176,12 +179,18 @@ ssvm_delete (ssvm_private_t * ssvm)
 
   fn = format (0, "/dev/shm/%s%c", ssvm->name, 0);
 
+  if (CLIB_DEBUG > 1)
+    clib_warning ("[%d] unlinking ssvm (%s) backing file '%s'", getpid (),
+		  ssvm->name, fn);
+
   /* Throw away the backing file */
   if (unlink ((char *) fn) < 0)
     clib_unix_warning ("unlink segment '%s'", ssvm->name);
 
-  munmap ((void *) ssvm->requested_va, ssvm->ssvm_size);
   vec_free (fn);
+  vec_free (ssvm->name);
+
+  munmap ((void *) ssvm->requested_va, ssvm->ssvm_size);
 }