Add the thread.arena mallctl.

Make it possible for each thread to manage which arena it is associated
with.

Implement the 'tests' and 'check' build targets.

1 files changed, 13 insertions, 0 deletions

diff --git a/jemalloc/doc/jemalloc.3.in b/jemalloc/doc/jemalloc.3.in
index cf5cb5e..d2d5b77 100644
--- a/jemalloc/doc/jemalloc.3.in
+++ b/jemalloc/doc/jemalloc.3.in
@@ -669,6 +669,19 @@ This is useful for detecting whether another thread caused a refresh.
 @roff_tcache@find manual flushing useful.
 .Ed
 .\"-----------------------------------------------------------------------------
+@roff_tls@.It Sy "thread.arena (unsigned) rw"
+@roff_tls@.Bd -ragged -offset indent -compact
+@roff_tls@Get or set the arena associated with the calling thread.
+@roff_tls@The arena index must be less than the maximum number of arenas (see
+@roff_tls@the
+@roff_tls@.Dq arenas.narenas
+@roff_tls@mallctl).
+@roff_tls@If the specified arena was not initialized beforehand (see the
+@roff_tls@.Dq arenas.initialized
+@roff_tls@mallctl), it will be automatically initialized as a side effect of
+@roff_tls@calling this interface.
+@roff_tls@.Ed
+.\"-----------------------------------------------------------------------------
 .It Sy "config.debug (bool) r-"
 .Bd -ragged -offset indent -compact
 --enable-debug was specified during build configuration.