diff options
Diffstat (limited to 'nuttx/libc/wqueue/work_usrthread.c')
-rw-r--r-- | nuttx/libc/wqueue/work_usrthread.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/nuttx/libc/wqueue/work_usrthread.c b/nuttx/libc/wqueue/work_usrthread.c index f46924a06..b20babcea 100644 --- a/nuttx/libc/wqueue/work_usrthread.c +++ b/nuttx/libc/wqueue/work_usrthread.c @@ -39,6 +39,8 @@ #include <nuttx/config.h> +#include <debug.h> + #include <nuttx/wqueue.h> #if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_USRWORK) && \ @@ -87,7 +89,7 @@ extern struct wqueue_s g_usrwork; * ****************************************************************************/ -int work_usrthread(int argc, char *argv[]) +static int work_usrthread(int argc, char *argv[]) { /* Loop forever */ @@ -103,4 +105,48 @@ int work_usrthread(int argc, char *argv[]) return OK; /* To keep some compilers happy */ } +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: work_usrstart + * + * Description: + * Start the user mode work queue. + * + * Input parameters: + * None + * + * Returned Value: + * The task ID of the worker thread is returned on success. A negated + * errno value is returned on failure. + * + ****************************************************************************/ + +int work_usrstart(void) +{ + /* Start a user-mode worker thread for use by applications. */ + + svdbg("Starting user-mode worker thread\n"); + + g_usrwork.pid = task_create("uwork", + CONFIG_SCHED_USRWORKPRIORITY, + CONFIG_SCHED_USRWORKSTACKSIZE, + (main_t)work_usrthread, + (FAR char * const *)NULL); + + DEBUGASSERT(g_usrwork.pid > 0); + if (g_usrwork.pid < 0) + { + int errcode = errno; + DEBUGASSERT(errcode > 0); + + sdbg("task_create failed: %d\n", errcode); + return -errcode; + } + + return g_usrwork.pid; +} + #endif /* CONFIG_SCHED_WORKQUEUE && CONFIG_SCHED_USRWORK && !__KERNEL__*/ |