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Diffstat (limited to 'src/core/reap.c')
-rw-r--r--src/core/reap.c81
1 files changed, 49 insertions, 32 deletions
diff --git a/src/core/reap.c b/src/core/reap.c
index 8191dba3..bfad6c32 100644
--- a/src/core/reap.c
+++ b/src/core/reap.c
@@ -14,47 +14,62 @@
#include <stdbool.h>
-static nni_list nni_reap_list;
-static nni_mtx nni_reap_mtx;
-static nni_cv nni_reap_cv;
-static bool nni_reap_exit = false;
-static nni_thr nni_reap_thr;
+static nni_list reap_list;
+static nni_mtx reap_mtx;
+static nni_cv reap_cv;
+static nni_cv reap_empty_cv;
+static bool reap_exit = false;
+static bool reap_empty = false;
+static nni_thr reap_thr;
static void
-nni_reap_stuff(void *notused)
+reap_worker(void *notused)
{
NNI_ARG_UNUSED(notused);
- nni_mtx_lock(&nni_reap_mtx);
+ nni_mtx_lock(&reap_mtx);
for (;;) {
nni_reap_item *item;
- if ((item = nni_list_first(&nni_reap_list)) != NULL) {
- nni_list_remove(&nni_reap_list, item);
- nni_mtx_unlock(&nni_reap_mtx);
+ while ((item = nni_list_first(&reap_list)) != NULL) {
+ nni_list_remove(&reap_list, item);
+ nni_mtx_unlock(&reap_mtx);
item->r_func(item->r_ptr);
- nni_mtx_lock(&nni_reap_mtx);
- continue;
+ nni_mtx_lock(&reap_mtx);
}
- if (nni_reap_exit) {
+ reap_empty = true;
+ nni_cv_wake(&reap_empty_cv);
+
+ if (reap_exit) {
break;
}
- nni_cv_wait(&nni_reap_cv);
+ nni_cv_wait(&reap_cv);
}
- nni_mtx_unlock(&nni_reap_mtx);
+ nni_mtx_unlock(&reap_mtx);
}
void
nni_reap(nni_reap_item *item, nni_cb func, void *ptr)
{
- nni_mtx_lock(&nni_reap_mtx);
+ nni_mtx_lock(&reap_mtx);
item->r_func = func;
item->r_ptr = ptr;
- nni_list_append(&nni_reap_list, item);
- nni_cv_wake(&nni_reap_cv);
- nni_mtx_unlock(&nni_reap_mtx);
+ nni_list_append(&reap_list, item);
+ reap_empty = false;
+ nni_cv_wake(&reap_cv);
+ nni_mtx_unlock(&reap_mtx);
+}
+
+void
+nni_reap_drain(void)
+{
+ nni_mtx_lock(&reap_mtx);
+ while (!reap_empty) {
+ nni_cv_wait(&reap_empty_cv);
+ }
+ nni_mtx_unlock(&reap_mtx);
}
int
@@ -62,28 +77,30 @@ nni_reap_sys_init(void)
{
int rv;
- NNI_LIST_INIT(&nni_reap_list, nni_reap_item, r_link);
- nni_mtx_init(&nni_reap_mtx);
- nni_cv_init(&nni_reap_cv, &nni_reap_mtx);
- nni_reap_exit = false;
+ NNI_LIST_INIT(&reap_list, nni_reap_item, r_link);
+ nni_mtx_init(&reap_mtx);
+ nni_cv_init(&reap_cv, &reap_mtx);
+ nni_cv_init(&reap_empty_cv, &reap_mtx);
+ reap_exit = false;
// If this fails, we don't fail init, instead we will try to
// start up at reap time.
- if ((rv = nni_thr_init(&nni_reap_thr, nni_reap_stuff, NULL)) != 0) {
- nni_cv_fini(&nni_reap_cv);
- nni_mtx_fini(&nni_reap_mtx);
+ if ((rv = nni_thr_init(&reap_thr, reap_worker, NULL)) != 0) {
+ nni_cv_fini(&reap_cv);
+ nni_cv_fini(&reap_empty_cv);
+ nni_mtx_fini(&reap_mtx);
return (rv);
}
- nni_thr_run(&nni_reap_thr);
+ nni_thr_run(&reap_thr);
return (0);
}
void
nni_reap_sys_fini(void)
{
- nni_mtx_lock(&nni_reap_mtx);
- nni_reap_exit = true;
- nni_cv_wake(&nni_reap_cv);
- nni_mtx_unlock(&nni_reap_mtx);
- nni_thr_fini(&nni_reap_thr);
+ nni_mtx_lock(&reap_mtx);
+ reap_exit = true;
+ nni_cv_wake(&reap_cv);
+ nni_mtx_unlock(&reap_mtx);
+ nni_thr_fini(&reap_thr);
}