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Add support for multiple low-priority worker threads

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This commit is contained in:
Gregory Nutt
2014-10-10 16:24:50 -06:00
parent 438e3e1a90
commit 4a4b3ac537
14 changed files with 204 additions and 77 deletions
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libc/wqueue/work_usrthread.c
+12 -12
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@@ -83,7 +83,7 @@
/* The state of the user mode work queue. */
struct wqueue_s g_usrwork;
struct usr_wqueue_s g_usrwork;
/* This semaphore supports exclusive access to the user-mode work queue */
@@ -118,7 +118,7 @@ extern pthread_mutex_t g_usrmutex;
*
****************************************************************************/
void work_process(FAR struct wqueue_s *wqueue)
void work_process(FAR struct usr_wqueue_s *wqueue)
{
volatile FAR struct work_s *work;
worker_t worker;
@@ -351,21 +351,21 @@ int work_usrstart(void)
/* Start a user-mode worker thread for use by applications. */
g_usrwork.pid[0] = task_create("uwork",
CONFIG_SCHED_USRWORKPRIORITY,
CONFIG_SCHED_USRWORKSTACKSIZE,
(main_t)work_usrthread,
(FAR char * const *)NULL);
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] > 0);
if (g_usrwork.pid[0] < 0)
DEBUGASSERT(g_usrwork.pid > 0);
if (g_usrwork.pid < 0)
{
int errcode = errno;
DEBUGASSERT(errcode > 0);
return -errcode;
}
return g_usrwork.pid[0];
return g_usrwork.pid;
}
#else
{
@@ -398,8 +398,8 @@ int work_usrstart(void)
(void)pthread_detach(usrwork);
g_usrwork.pid[0] = (pid_t)usrwork;
return g_usrwork.pid[0];
g_usrwork.pid = (pid_t)usrwork;
return g_usrwork.pid;
}
#endif
}