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Diffstat (limited to 'doc/api_ref/env_vars.rst')
| -rw-r--r-- | doc/api_ref/env_vars.rst | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/api_ref/env_vars.rst b/doc/api_ref/env_vars.rst index 221a22545..121402637 100644 --- a/doc/api_ref/env_vars.rst +++ b/doc/api_ref/env_vars.rst @@ -6,7 +6,10 @@ library. The variables and their behavior are described here. * ``BOTAN_THREAD_POOL_SIZE`` controls the number of threads which will be created for a thread pool used for some purposes within the library. If not - set then it defaults to the number of CPUs available on the system. + set, or set to 0, then it defaults to the number of CPUs available on the + system. If it is set to the string "none" then the thread pool is disabled; + instead all work passed to the thread pool will be executed immediately + by the calling thread. * ``BOTAN_MLOCK_POOL_SIZE`` controls the total amount of memory which will be locked in memory using ``mlock`` or ``VirtualLock`` and managed in a memory |