This adds a slice to each poller which is acquired before the poller is
executed. This allows us to run pollers inside of other pollers.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
common/poller.c | 15 +++++++--------
include/poller.h | 2 ++
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/common/poller.c b/common/poller.c
index 95f828b439..cccffcb88d 100644
--- a/common/poller.c
+++ b/common/poller.c
@@ -14,7 +14,6 @@
#include <clock.h>
static LIST_HEAD(poller_list);
-static int poller_active;
int poller_register(struct poller_struct *poller, const char *name)
{
@@ -22,6 +21,7 @@ int poller_register(struct poller_struct *poller, const char *name)
return -EBUSY;
poller->name = xstrdup(name);
+ slice_init(&poller->slice, poller->name);
list_add_tail(&poller->list, &poller_list);
poller->registered = 1;
@@ -111,15 +111,14 @@ void poller_call(void)
{
struct poller_struct *poller, *tmp;
- if (poller_active)
- return;
-
- poller_active = 1;
+ list_for_each_entry_safe(poller, tmp, &poller_list, list) {
+ if (slice_acquired(&poller->slice))
+ continue;
- list_for_each_entry_safe(poller, tmp, &poller_list, list)
+ slice_acquire(&poller->slice);
poller->func(poller);
-
- poller_active = 0;
+ slice_release(&poller->slice);
+ }
}
#if defined CONFIG_CMD_POLLER
diff --git a/include/poller.h b/include/poller.h
index 886557252b..c8b6829685 100644
--- a/include/poller.h
+++ b/include/poller.h
@@ -7,11 +7,13 @@
#define POLLER_H
#include <linux/list.h>
+#include <slice.h>
struct poller_struct {
void (*func)(struct poller_struct *poller);
int registered;
struct list_head list;
+ struct slice slice;
char *name;
};
--
2.25.1
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