- Fast-track pthread_mutex_trylock(), even though programs which use
  it extensively are probably badly designed -- they are polling.

- VG_(deliver_signals): return a Bool indicating if any signals
  really were delivered.  Used only to try and reduce excessive
  frequency of system sanity checks.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@135 a5019735-40e9-0310-863c-91ae7b9d1cf9
6 files changed