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-rw-r--r--erts/emulator/beam/erl_lock_count.c25
-rw-r--r--erts/emulator/beam/erl_lock_count.h4
2 files changed, 16 insertions, 13 deletions
diff --git a/erts/emulator/beam/erl_lock_count.c b/erts/emulator/beam/erl_lock_count.c
index 481e92b2cd..6354fc8663 100644
--- a/erts/emulator/beam/erl_lock_count.c
+++ b/erts/emulator/beam/erl_lock_count.c
@@ -55,11 +55,11 @@ static erts_lcnt_thread_data_t *lcnt_thread_data[2048];
/* local functions */
static ERTS_INLINE void lcnt_lock(void) {
- ethr_mutex_lock(&lcnt_data_lock);
+ ethr_mutex_lock(&lcnt_data_lock);
}
static ERTS_INLINE void lcnt_unlock(void) {
- ethr_mutex_unlock(&lcnt_data_lock);
+ ethr_mutex_unlock(&lcnt_data_lock);
}
const int log2_tab64[64] = {
@@ -159,7 +159,7 @@ static erts_lcnt_thread_data_t *lcnt_thread_data_alloc(void) {
lcnt_thread_data[eltd->id] = eltd;
return eltd;
-}
+}
static erts_lcnt_thread_data_t *lcnt_get_thread_data(void) {
return (erts_lcnt_thread_data_t *)ethr_tsd_get(lcnt_thr_data_key);
@@ -254,9 +254,9 @@ void erts_lcnt_init() {
/* init lock */
if (ethr_mutex_init(&lcnt_data_lock) != 0) abort();
- /* init tsd */
+ /* init tsd */
lcnt_n_thr = 0;
- ethr_tsd_key_create(&lcnt_thr_data_key,"lcnt_data");
+ ethr_tsd_key_create(&lcnt_thr_data_key, "lcnt_data");
lcnt_lock();
@@ -352,11 +352,11 @@ void erts_lcnt_list_delete(erts_lcnt_lock_list_t *list, erts_lcnt_lock_t *lock)
/* interface to erl_threads.h */
/* only lock on init and destroy, all others should use atomics */
-void erts_lcnt_init_lock(erts_lcnt_lock_t *lock, char *name, Uint16 flag ) {
+void erts_lcnt_init_lock(erts_lcnt_lock_t *lock, char *name, Uint16 flag ) {
erts_lcnt_init_lock_x(lock, name, flag, NIL);
}
-void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eterm id) {
+void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eterm id) {
int i;
if (name == NULL) { ERTS_LCNT_CLEAR_FLAG(lock); return; }
lcnt_lock();
@@ -382,7 +382,10 @@ void erts_lcnt_init_lock_x(erts_lcnt_lock_t *lock, char *name, Uint16 flag, Eter
erts_lcnt_list_insert(erts_lcnt_data->current_locks, lock);
lcnt_unlock();
}
-/* init empty, instead of zero struct */
+
+/* init empty, instead of zero struct
+ * used by process locks probes
+ */
void erts_lcnt_init_lock_empty(erts_lcnt_lock_t *lock) {
lock->next = NULL;
lock->prev = NULL;
@@ -444,7 +447,7 @@ void erts_lcnt_lock_opt(erts_lcnt_lock_t *lock, Uint16 option) {
}
/* we cannot acquire w_lock if either w or r are taken */
- /* we cannot acquire r_lock if w_lock is taken */
+ /* we cannot acquire r_lock if w_lock is taken */
if ((w_state > 0) || (r_state > 0)) {
eltd->lock_in_conflict = 1;
@@ -561,7 +564,7 @@ void erts_lcnt_unlock(erts_lcnt_lock_t *lock) {
if (ERTS_LCNT_IS_LOCK_INVALID(lock)) return;
#ifdef DEBUG
{
- erts_aint_t w_state;
+ erts_aint_t w_state;
erts_aint_t flowstate;
/* flowstate */
@@ -647,7 +650,7 @@ Uint16 erts_lcnt_set_rt_opt(Uint16 opt) {
return prev;
}
-Uint16 erts_lcnt_clear_rt_opt(Uint16 opt) {
+Uint16 erts_lcnt_clear_rt_opt(Uint16 opt) {
Uint16 prev;
prev = (erts_lcnt_rt_options & opt);
erts_lcnt_rt_options &= ~opt;
diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h
index 3e8dcefe69..4f838f7faa 100644
--- a/erts/emulator/beam/erl_lock_count.h
+++ b/erts/emulator/beam/erl_lock_count.h
@@ -148,13 +148,13 @@ typedef struct erts_lcnt_lock_stats_s {
typedef struct erts_lcnt_lock_s {
char *name; /* lock name */
Uint16 flag; /* lock type */
- Eterm id; /* id if possible */
+ Eterm id; /* id if possible */
#ifdef DEBUG
ethr_atomic_t flowstate;
#endif
- /* lock states */
+ /* lock states */
ethr_atomic_t w_state; /* 0 not taken, otherwise n threads waiting */
ethr_atomic_t r_state; /* 0 not taken, > 0 -> writes will wait */