[PATCH] nebmods: log failure to dlclose() neb modules

[Anton Löfgren]

We recently had a problem with a buggy glibc implementation of dlclose
causing module unloading to misbehave. Chances are having been
informed of the result of the dlclose() call would've been helpful in
debugging that.

Signed-off-by: Anton Lofgren <alofgren at op5.com>
---
 base/nebmods.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/base/nebmods.c b/base/nebmods.c
index f6489f8..d98e412 100644
--- a/base/nebmods.c
+++ b/base/nebmods.c
@@ -303,6 +303,11 @@ int neb_unload_module(nebmodule *mod, int flags,
int reason) {

  /* unload the module */
  result = dlclose(mod->module_handle);
+
+ if (result != 0) {
+ logit(NSLOG_RUNTIME_ERROR, TRUE, "Error: Could not unload module
'%s' -> %s\n", mod->filename, dlerror());
+ return ERROR;
+ }
  }

  /* mark the module as being unloaded */
-- 
1.8.4

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