tree f657d4a39b7e45d0603b30762f4496f947ec043e
parent a60ff6c5b2ca76181b387d8c10aee22a2cbcf840
author Pavel Chupin <pavel.v.chupin@intel.com> 1329720553 +0400
committer Bruce Beare <bruce.j.beare@intel.com> 1329865046 -0800

Redesign dlopen() locks to be recursive per thread.

That is to fix the bug:
dlxxx functions can't be called recursively.
For example, if we use dlopen() to use open one library whose constructor
also calls dlopen() in order to open another library, then the thread is
dead-blocked.

By changing the dl_lock from a non-recursive lock to a recursive lock, we can
prevent the thread from dead-blocked by recursive dlxxx calls in the same
thread context.

Change-Id: I1018b41c82f4641cc009c0a2eda31f5a47a534f9
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Signed-off-by: Jack Ren <jack.ren@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>