apps/builtin/exec_builtin.c: Try posix_spawn if builtin apps do not have have an entry point.
apps/Application.mk: introduce MODULE config to simplify tristate(m)
apps/nsh: Change the nuttx shell module type to tristate
apps: Add loadable application support
script/mksymtab: Generate symbol table name by default
apps/builtin: Allow loadable applications can register with apps/builtin.
apps/system/taskset: Add taskset command for SMP systems
This command can be used to retrieve or set a process's CPU affinity.
For example,
nsh> taskset -p 4
pid 4's current affinity mask: 2
nsh> taskset -p 3 4
pid 4's current affinity mask: 3
nsh> taskset -p 1 busyloop &
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
