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Diffstat (limited to 'drivers/staging/unisys/uislib/uisthread.c')
-rw-r--r--drivers/staging/unisys/uislib/uisthread.c30
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/staging/unisys/uislib/uisthread.c b/drivers/staging/unisys/uislib/uisthread.c
index 25adf1a7307c..d3c973b617ee 100644
--- a/drivers/staging/unisys/uislib/uisthread.c
+++ b/drivers/staging/unisys/uislib/uisthread.c
@@ -20,12 +20,9 @@
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kthread.h>
-#include "uniklog.h"
#include "uisutils.h"
#include "uisthread.h"
-#define KILL(a, b, c) kill_pid(find_vpid(a), b, c)
-
/* this is shorter than using __FILE__ (full path name) in
* debug/info/error messages
*/
@@ -41,17 +38,14 @@ int
uisthread_start(struct uisthread_info *thrinfo,
int (*threadfn)(void *), void *thrcontext, char *name)
{
- thrinfo->should_stop = 0;
/* used to stop the thread */
init_completion(&thrinfo->has_stopped);
- thrinfo->task = kthread_create(threadfn, thrcontext, name, NULL);
+ thrinfo->task = kthread_run(threadfn, thrcontext, name);
if (IS_ERR(thrinfo->task)) {
thrinfo->id = 0;
return 0; /* failure */
}
thrinfo->id = thrinfo->task->pid;
- wake_up_process(thrinfo->task);
- LOGINF("started thread pid:%d\n", thrinfo->id);
return 1;
}
EXPORT_SYMBOL_GPL(uisthread_start);
@@ -59,27 +53,17 @@ EXPORT_SYMBOL_GPL(uisthread_start);
void
uisthread_stop(struct uisthread_info *thrinfo)
{
- int ret;
int stopped = 0;
if (thrinfo->id == 0)
return; /* thread not running */
- LOGINF("uisthread_stop stopping id:%d\n", thrinfo->id);
- thrinfo->should_stop = 1;
- ret = KILL(thrinfo->id, SIGHUP, 1);
- if (ret) {
- LOGERR("unable to signal thread %d\n", ret);
- } else {
- /* give up if the thread has NOT died in 1 minute */
- if (wait_for_completion_timeout(&thrinfo->has_stopped, 60 * HZ))
- stopped = 1;
- else
- LOGERR("timed out trying to signal thread\n");
- }
- if (stopped) {
- LOGINF("uisthread_stop stopped id:%d\n", thrinfo->id);
+ kthread_stop(thrinfo->task);
+ /* give up if the thread has NOT died in 1 minute */
+ if (wait_for_completion_timeout(&thrinfo->has_stopped, 60 * HZ))
+ stopped = 1;
+
+ if (stopped)
thrinfo->id = 0;
- }
}
EXPORT_SYMBOL_GPL(uisthread_stop);