From f4661e4e1d234fdbcd37bbc4a8a9bfdf2cfaa586 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Fri, 7 Jul 2017 16:40:30 +0200
Subject: Add a proper type for lock options
---
erts/emulator/beam/erl_drv_thread.c | 12 +++++-----
erts/emulator/beam/erl_lock_count.h | 48 ++++++++++++++++++-------------------
erts/emulator/beam/erl_lock_flags.c | 13 ++++++++++
erts/emulator/beam/erl_lock_flags.h | 10 +++++---
erts/emulator/beam/erl_threads.h | 20 ++++++++--------
5 files changed, 60 insertions(+), 43 deletions(-)
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index 49bbab55a8..742c428f2a 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -414,7 +414,7 @@ erl_drv_rwlock_tryrlock(ErlDrvRWLock *drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrlock()");
res = ethr_rwmutex_tryrlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTIONS_READ);
#endif
return res;
#else
@@ -429,7 +429,7 @@ erl_drv_rwlock_rlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_rwmutex_rlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -445,7 +445,7 @@ erl_drv_rwlock_runlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_runlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_rwmutex_runlock(&drwlck->rwmtx);
#endif
@@ -460,7 +460,7 @@ erl_drv_rwlock_tryrwlock(ErlDrvRWLock *drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_tryrwlock()");
res = ethr_rwmutex_tryrwlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_trylock_opt(&drwlck->lcnt, res, ERTS_LOCK_OPTIONS_RDWR);
#endif
return res;
#else
@@ -475,7 +475,7 @@ erl_drv_rwlock_rwlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_lock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_rwmutex_rwlock(&drwlck->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -491,7 +491,7 @@ erl_drv_rwlock_rwunlock(ErlDrvRWLock *drwlck)
if (!drwlck)
fatal_error(EINVAL, "erl_drv_rwlock_rwunlock()");
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_unlock_opt(&drwlck->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_rwmutex_rwunlock(&drwlck->rwmtx);
#endif
diff --git a/erts/emulator/beam/erl_lock_count.h b/erts/emulator/beam/erl_lock_count.h
index 3181dbcad4..89d95a73cf 100644
--- a/erts/emulator/beam/erl_lock_count.h
+++ b/erts/emulator/beam/erl_lock_count.h
@@ -172,7 +172,7 @@ void erts_lcnt_lock(erts_lcnt_ref_t *ref);
/** @copydoc erts_lcnt_lock
* @param option Notes whether the lock is a read or write lock. */
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_lock_opt(erts_lcnt_ref_t *ref, Uint16 option);
+void erts_lcnt_lock_opt(erts_lcnt_ref_t *ref, erts_lock_options_t option);
/** @brief Records that a lock has been acquired. */
ERTS_GLB_FORCE_INLINE
@@ -191,7 +191,7 @@ void erts_lcnt_unlock(erts_lcnt_ref_t *ref);
/** @copydoc erts_lcnt_unlock_opt
* @param option Whether the lock is a read or write lock. */
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_unlock_opt(erts_lcnt_ref_t *ref, Uint16 option);
+void erts_lcnt_unlock_opt(erts_lcnt_ref_t *ref, erts_lock_options_t option);
/** @brief Rectifies the case where a lock wasn't actually a lock operation.
*
@@ -207,7 +207,7 @@ void erts_lcnt_trylock(erts_lcnt_ref_t *ref, int result);
/** @copydoc erts_lcnt_trylock
* @param option Whether the lock is a read or write lock. */
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option);
+void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, erts_lock_options_t option);
/* Indexed variants of the standard lock operations, for use when a single
* reference contains many counters (eg. process locks).
@@ -220,7 +220,7 @@ void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option);
ERTS_GLB_INLINE
void erts_lcnt_lock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index);
ERTS_GLB_INLINE
-void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, Uint16 option);
+void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, erts_lock_options_t option);
ERTS_GLB_INLINE
void erts_lcnt_lock_post_idx(erts_lcnt_lock_info_carrier_t *carrier, int index);
@@ -233,12 +233,12 @@ void erts_lcnt_lock_unacquire_idx(erts_lcnt_lock_info_carrier_t *carrier, int in
ERTS_GLB_INLINE
void erts_lcnt_unlock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index);
ERTS_GLB_INLINE
-void erts_lcnt_unlock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, Uint16 option);
+void erts_lcnt_unlock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, erts_lock_options_t option);
ERTS_GLB_INLINE
void erts_lcnt_trylock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result);
ERTS_GLB_INLINE
-void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result, Uint16 option);
+void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result, erts_lock_options_t option);
/* -- Reference operations ------------------------------------------------- */
@@ -646,7 +646,7 @@ void erts_lcnt_lock(erts_lcnt_ref_t *ref) {
}
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_lock_opt(erts_lcnt_ref_t *ref, Uint16 option) {
+void erts_lcnt_lock_opt(erts_lcnt_ref_t *ref, erts_lock_options_t option) {
erts_lcnt_lock_info_carrier_t *carrier;
int handle;
@@ -706,7 +706,7 @@ void erts_lcnt_unlock(erts_lcnt_ref_t *ref) {
}
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_unlock_opt(erts_lcnt_ref_t *ref, Uint16 option) {
+void erts_lcnt_unlock_opt(erts_lcnt_ref_t *ref, erts_lock_options_t option) {
erts_lcnt_lock_info_carrier_t *carrier;
int handle;
@@ -730,7 +730,7 @@ void erts_lcnt_trylock(erts_lcnt_ref_t *ref, int result) {
}
ERTS_GLB_FORCE_INLINE
-void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option) {
+void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, erts_lock_options_t option) {
erts_lcnt_lock_info_carrier_t *carrier;
int handle;
@@ -743,20 +743,20 @@ void erts_lcnt_trylock_opt(erts_lcnt_ref_t *ref, int result, Uint16 option) {
ERTS_GLB_INLINE
void erts_lcnt_lock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index) {
- erts_lcnt_lock_opt_idx(carrier, index, ERTS_LOCK_OPTION_WRITE);
+ erts_lcnt_lock_opt_idx(carrier, index, ERTS_LOCK_OPTIONS_WRITE);
}
ERTS_GLB_INLINE
-void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, Uint16 option) {
+void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, erts_lock_options_t option) {
erts_lcnt_lock_info_t *info = &carrier->entries[index];
lcnt_thread_data_t__ *eltd = lcnt_get_thread_data__();
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTIONS_READ) || (option & ERTS_LOCK_OPTIONS_WRITE));
- if(option & ERTS_LOCK_OPTION_WRITE) {
+ if(option & ERTS_LOCK_OPTIONS_WRITE) {
ethr_sint_t w_state, r_state;
w_state = ethr_atomic_inc_read(&info->w_state) - 1;
@@ -771,7 +771,7 @@ void erts_lcnt_lock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, U
eltd->lock_in_conflict = (w_state > 0);
}
- if(option & ERTS_LOCK_OPTION_READ) {
+ if(option & ERTS_LOCK_OPTIONS_READ) {
ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
ethr_atomic_inc(&info->r_state);
}
@@ -825,22 +825,22 @@ ERTS_GLB_INLINE
void erts_lcnt_unlock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index) {
ASSERT(index < carrier->entry_count);
- erts_lcnt_unlock_opt_idx(carrier, index, ERTS_LOCK_OPTION_WRITE);
+ erts_lcnt_unlock_opt_idx(carrier, index, ERTS_LOCK_OPTIONS_WRITE);
}
ERTS_GLB_INLINE
-void erts_lcnt_unlock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, Uint16 option) {
+void erts_lcnt_unlock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, erts_lock_options_t option) {
erts_lcnt_lock_info_t *info = &carrier->entries[index];
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTIONS_READ) || (option & ERTS_LOCK_OPTIONS_WRITE));
- if(option & ERTS_LOCK_OPTION_WRITE) {
+ if(option & ERTS_LOCK_OPTIONS_WRITE) {
lcnt_dec_lock_state__(&info->w_state);
}
- if(option & ERTS_LOCK_OPTION_READ) {
+ if(option & ERTS_LOCK_OPTIONS_READ) {
ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
lcnt_dec_lock_state__(&info->r_state);
}
@@ -859,23 +859,23 @@ ERTS_GLB_INLINE
void erts_lcnt_trylock_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result) {
ASSERT(index < carrier->entry_count);
- erts_lcnt_trylock_opt_idx(carrier, index, result, ERTS_LOCK_OPTION_WRITE);
+ erts_lcnt_trylock_opt_idx(carrier, index, result, ERTS_LOCK_OPTIONS_WRITE);
}
ERTS_GLB_INLINE
-void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result, Uint16 option) {
+void erts_lcnt_trylock_opt_idx(erts_lcnt_lock_info_carrier_t *carrier, int index, int result, erts_lock_options_t option) {
erts_lcnt_lock_info_t *info = &carrier->entries[index];
ASSERT(index < carrier->entry_count);
- ASSERT((option & ERTS_LOCK_OPTION_READ) || (option & ERTS_LOCK_OPTION_WRITE));
+ ASSERT((option & ERTS_LOCK_OPTIONS_READ) || (option & ERTS_LOCK_OPTIONS_WRITE));
if(result != EBUSY) {
- if(option & ERTS_LOCK_OPTION_WRITE) {
+ if(option & ERTS_LOCK_OPTIONS_WRITE) {
ethr_atomic_inc(&info->w_state);
}
- if(option & ERTS_LOCK_OPTION_READ) {
+ if(option & ERTS_LOCK_OPTIONS_READ) {
ASSERT(info->flags & ERTS_LOCK_FLAGS_PROPERTY_READ_WRITE);
ethr_atomic_inc(&info->r_state);
}
diff --git a/erts/emulator/beam/erl_lock_flags.c b/erts/emulator/beam/erl_lock_flags.c
index ba6a7217f2..e0a0e95c09 100644
--- a/erts/emulator/beam/erl_lock_flags.c
+++ b/erts/emulator/beam/erl_lock_flags.c
@@ -44,3 +44,16 @@ const char *erts_lock_flags_get_type_name(erts_lock_flags_t flags) {
return "garbage";
}
}
+
+const char *erts_lock_options_get_short_desc(erts_lock_options_t options) {
+ switch(options) {
+ case ERTS_LOCK_OPTIONS_RDWR:
+ return "rw";
+ case ERTS_LOCK_OPTIONS_READ:
+ return "r";
+ case ERTS_LOCK_OPTIONS_WRITE:
+ return "w";
+ default:
+ return "none";
+ }
+}
diff --git a/erts/emulator/beam/erl_lock_flags.h b/erts/emulator/beam/erl_lock_flags.h
index b66c160af5..d711f69456 100644
--- a/erts/emulator/beam/erl_lock_flags.h
+++ b/erts/emulator/beam/erl_lock_flags.h
@@ -21,10 +21,10 @@
#ifndef ERTS_LOCK_FLAGS_H__
#define ERTS_LOCK_FLAGS_H__
-#define ERTS_LOCK_OPTION_READ (1 << 1)
-#define ERTS_LOCK_OPTION_WRITE (1 << 2)
+#define ERTS_LOCK_OPTIONS_READ (1 << 1)
+#define ERTS_LOCK_OPTIONS_WRITE (1 << 2)
-#define ERTS_LOCK_OPTION_RDWR (ERTS_LOCK_OPTION_READ | ERTS_LOCK_OPTION_WRITE)
+#define ERTS_LOCK_OPTIONS_RDWR (ERTS_LOCK_OPTIONS_READ | ERTS_LOCK_OPTIONS_WRITE)
/* Property/category are bitfields to simplify their use in masks. */
#define ERTS_LOCK_FLAGS_MASK_CATEGORY (0xFFC0)
@@ -67,8 +67,12 @@
/* -- -- */
typedef unsigned short erts_lock_flags_t;
+typedef unsigned short erts_lock_options_t;
/* @brief Gets the type name of the lock, honoring the RW flag if supplied. */
const char *erts_lock_flags_get_type_name(erts_lock_flags_t flags);
+/* @brief Gets a short-form description of the given lock options. (rw/r/w) */
+const char *erts_lock_options_get_short_desc(erts_lock_options_t options);
+
#endif /* ERTS_LOCK_FLAGS_H__ */
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index 3fdf29d678..6e5a8210cb 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -2505,7 +2505,7 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTIONS_READ);
#endif
return res;
@@ -2530,7 +2530,7 @@ erts_rwmtx_rlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_rwmutex_rlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2547,7 +2547,7 @@ erts_rwmtx_runlock(erts_rwmtx_t *rwmtx)
erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_rwmutex_runlock(&rwmtx->rwmtx);
#endif
@@ -2580,7 +2580,7 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_trylock_opt(&rwmtx->lcnt, res, ERTS_LOCK_OPTIONS_RDWR);
#endif
return res;
@@ -2605,7 +2605,7 @@ erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_lock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_rwmutex_rwlock(&rwmtx->rwmtx);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2622,7 +2622,7 @@ erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx)
erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_rwmutex_rwunlock(&rwmtx->rwmtx);
#endif
@@ -3181,7 +3181,7 @@ erts_read_unlock(erts_rwlock_t *lock)
erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_read_unlock(&lock->rwlck);
#else
@@ -3205,7 +3205,7 @@ erts_read_lock(erts_rwlock_t *lock)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTION_READ);
+ erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_READ);
#endif
ethr_read_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -3224,7 +3224,7 @@ erts_write_unlock(erts_rwlock_t *lock)
erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_write_unlock(&lock->rwlck);
#else
@@ -3248,7 +3248,7 @@ erts_write_lock(erts_rwlock_t *lock)
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
- erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTION_RDWR);
+ erts_lcnt_lock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_RDWR);
#endif
ethr_write_lock(&lock->rwlck);
#ifdef ERTS_ENABLE_LOCK_COUNT
--
cgit v1.2.3
From 37074ef6833feb2991ff5c07eeb9f8ad015c7df7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Fri, 7 Jul 2017 16:41:29 +0200
Subject: Use erl_lock_flags in lock checking
---
erts/emulator/beam/erl_lock_check.c | 280 +++++++++++++++++++---------------
erts/emulator/beam/erl_lock_check.h | 50 ++----
erts/emulator/beam/erl_process_lock.c | 28 ++--
erts/emulator/beam/erl_threads.h | 64 ++++----
4 files changed, 218 insertions(+), 204 deletions(-)
diff --git a/erts/emulator/beam/erl_lock_check.c b/erts/emulator/beam/erl_lock_check.c
index 85ee703c99..cf091ee43f 100644
--- a/erts/emulator/beam/erl_lock_check.c
+++ b/erts/emulator/beam/erl_lock_check.c
@@ -200,41 +200,20 @@ static erts_lc_lock_order_t erts_lock_order[] = {
#define ERTS_LOCK_ORDER_SIZE \
(sizeof(erts_lock_order)/sizeof(erts_lc_lock_order_t))
-#define LOCK_IS_TYPE_ORDER_VIOLATION(LCK_FLG, LCKD_FLG) \
- (((LCKD_FLG) & (ERTS_LC_FLG_LT_SPINLOCK|ERTS_LC_FLG_LT_RWSPINLOCK)) \
- && ((LCK_FLG) \
- & ERTS_LC_FLG_LT_ALL \
- & ~(ERTS_LC_FLG_LT_SPINLOCK|ERTS_LC_FLG_LT_RWSPINLOCK)))
+#define LOCK_IS_TYPE_ORDER_VIOLATION(LCK_FLG, LCKD_FLG) \
+ (((LCKD_FLG) & ERTS_LOCK_FLAGS_MASK_TYPE) == ERTS_LOCK_FLAGS_TYPE_SPINLOCK \
+ && \
+ ((LCK_FLG) & ERTS_LOCK_FLAGS_MASK_TYPE) != ERTS_LOCK_FLAGS_TYPE_SPINLOCK)
static __decl_noreturn void __noreturn lc_abort(void);
-static char *
-lock_type(Uint16 flags)
+static const char *rw_op_str(erts_lock_options_t options)
{
- switch (flags & ERTS_LC_FLG_LT_ALL) {
- case ERTS_LC_FLG_LT_SPINLOCK: return "[spinlock]";
- case ERTS_LC_FLG_LT_RWSPINLOCK: return "[rw(spin)lock]";
- case ERTS_LC_FLG_LT_MUTEX: return "[mutex]";
- case ERTS_LC_FLG_LT_RWMUTEX: return "[rwmutex]";
- case ERTS_LC_FLG_LT_PROCLOCK: return "[proclock]";
- default: return "";
+ if(options == ERTS_LOCK_OPTIONS_WRITE) {
+ ERTS_INTERNAL_ERROR("Only write flag present");
}
-}
-static char *
-rw_op_str(Uint16 flags)
-{
- switch (flags & ERTS_LC_FLG_LO_READ_WRITE) {
- case ERTS_LC_FLG_LO_READ_WRITE:
- return " (rw)";
- case ERTS_LC_FLG_LO_READ:
- return " (r)";
- case ERTS_LC_FLG_LO_WRITE:
- ERTS_INTERNAL_ERROR("Only write flag present");
- default:
- break;
- }
- return "";
+ return erts_lock_options_get_short_desc(options);
}
typedef struct erts_lc_locked_lock_t_ erts_lc_locked_lock_t;
@@ -245,7 +224,8 @@ struct erts_lc_locked_lock_t_ {
Sint16 id;
char *file;
unsigned int line;
- Uint16 flags;
+ erts_lock_flags_t flags;
+ erts_lock_options_t taken_options;
};
typedef struct {
@@ -432,7 +412,7 @@ make_my_locked_locks(void)
}
static ERTS_INLINE erts_lc_locked_lock_t *
-new_locked_lock(erts_lc_lock_t *lck, Uint16 op_flags,
+new_locked_lock(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line)
{
erts_lc_locked_lock_t *l_lck = (erts_lc_locked_lock_t *) lc_alloc();
@@ -442,12 +422,13 @@ new_locked_lock(erts_lc_lock_t *lck, Uint16 op_flags,
l_lck->extra = lck->extra;
l_lck->file = file;
l_lck->line = line;
- l_lck->flags = lck->flags | op_flags;
+ l_lck->flags = lck->flags;
+ l_lck->taken_options = options;
return l_lck;
}
static void
-raw_print_lock(char *prefix, Sint16 id, Wterm extra, Uint16 flags,
+raw_print_lock(char *prefix, Sint16 id, Wterm extra, erts_lock_flags_t flags,
char* file, unsigned int line, char *suffix)
{
char *lname = (0 <= id && id < ERTS_LOCK_ORDER_SIZE
@@ -459,16 +440,16 @@ raw_print_lock(char *prefix, Sint16 id, Wterm extra, Uint16 flags,
erts_fprintf(stderr,"%p",_unchecked_boxed_val(extra));
else
erts_fprintf(stderr,"%T",extra);
- erts_fprintf(stderr,"%s",lock_type(flags));
+ erts_fprintf(stderr,"[%s]",erts_lock_flags_get_type_name(flags));
if (file)
erts_fprintf(stderr,"(%s:%d)",file,line);
- erts_fprintf(stderr,"'%s%s",rw_op_str(flags),suffix);
+ erts_fprintf(stderr,"'(%s)%s",rw_op_str(flags),suffix);
}
static void
-print_lock2(char *prefix, Sint16 id, Wterm extra, Uint16 flags, char *suffix)
+print_lock2(char *prefix, Sint16 id, Wterm extra, erts_lock_flags_t flags, char *suffix)
{
raw_print_lock(prefix, id, extra, flags, NULL, 0, suffix);
}
@@ -523,9 +504,9 @@ uninitialized_lock(void)
static void
lock_twice(char *prefix, erts_lc_locked_locks_t *l_lcks, erts_lc_lock_t *lck,
- Uint16 op_flags)
+ erts_lock_options_t options)
{
- erts_fprintf(stderr, "%s%s", prefix, rw_op_str(op_flags));
+ erts_fprintf(stderr, "%s (%s)", prefix, rw_op_str(options));
print_lock(" ", lck, " lock which is already locked by thread!\n");
print_curr_locks(l_lcks);
lc_abort();
@@ -533,9 +514,9 @@ lock_twice(char *prefix, erts_lc_locked_locks_t *l_lcks, erts_lc_lock_t *lck,
static void
unlock_op_mismatch(erts_lc_locked_locks_t *l_lcks, erts_lc_lock_t *lck,
- Uint16 op_flags)
+ erts_lock_options_t options)
{
- erts_fprintf(stderr, "Unlocking%s ", rw_op_str(op_flags));
+ erts_fprintf(stderr, "Unlocking (%s) ", rw_op_str(options));
print_lock("", lck, " lock which mismatch previous lock operation!\n");
print_curr_locks(l_lcks);
lc_abort();
@@ -746,84 +727,128 @@ erts_lc_get_lock_order_id(char *name)
return (Sint16) -1;
}
+static int compare_locked_by_id(erts_lc_locked_lock_t *locked_lock, erts_lc_lock_t *comparand)
+{
+ if(locked_lock->id < comparand->id) {
+ return -1;
+ } else if(locked_lock->id > comparand->id) {
+ return 1;
+ }
-static int
-find_lock(erts_lc_locked_lock_t **l_lcks, erts_lc_lock_t *lck)
+ return 0;
+}
+
+static int compare_locked_by_id_extra(erts_lc_locked_lock_t *locked_lock, erts_lc_lock_t *comparand)
{
- erts_lc_locked_lock_t *l_lck = *l_lcks;
+ int order = compare_locked_by_id(locked_lock, comparand);
+
+ if(order) {
+ return order;
+ } else if(locked_lock->extra < comparand->extra) {
+ return -1;
+ } else if(locked_lock->extra > comparand->extra) {
+ return 1;
+ }
- if (l_lck) {
- if (l_lck->id == lck->id && l_lck->extra == lck->extra) {
- if ((l_lck->flags & lck->flags) == lck->flags)
- return 1;
- return 0;
- }
- else if (l_lck->id < lck->id
- || (l_lck->id == lck->id
- && l_lck->extra < lck->extra)) {
- for (l_lck = l_lck->next; l_lck; l_lck = l_lck->next) {
- if (l_lck->id > lck->id
- || (l_lck->id == lck->id
- && l_lck->extra >= lck->extra)) {
- *l_lcks = l_lck;
- if (l_lck->id == lck->id
- && l_lck->extra == lck->extra
- && ((l_lck->flags & lck->flags) == lck->flags))
- return 1;
- return 0;
- }
- }
- }
- else {
- for (l_lck = l_lck->prev; l_lck; l_lck = l_lck->prev) {
- if (l_lck->id < lck->id
- || (l_lck->id == lck->id
- && l_lck->extra <= lck->extra)) {
- *l_lcks = l_lck;
- if (l_lck->id == lck->id
- && l_lck->extra == lck->extra
- && ((l_lck->flags & lck->flags) == lck->flags))
- return 1;
- return 0;
- }
- }
- }
+ return 0;
+}
+
+typedef int (*locked_compare_func)(erts_lc_locked_lock_t *, erts_lc_lock_t *);
+
+/* Searches through a list of taken locks, bailing when it hits an entry whose
+ * order relative to the search template is the opposite of the one at the
+ * start of the search. (*closest_neighbor) is either set to the exact match,
+ * or the one closest to it in the sort order. */
+static int search_locked_list(locked_compare_func compare,
+ erts_lc_locked_lock_t *locked_locks,
+ erts_lc_lock_t *search_template,
+ erts_lc_locked_lock_t **closest_neighbor)
+{
+ erts_lc_locked_lock_t *iterator = locked_locks;
+
+ (*closest_neighbor) = iterator;
+
+ if(iterator) {
+ int relative_order = compare(iterator, search_template);
+
+ if(relative_order < 0) {
+ while((iterator = iterator->next) != NULL) {
+ relative_order = compare(iterator, search_template);
+
+ if(relative_order >= 0) {
+ (*closest_neighbor) = iterator;
+ break;
+ }
+ }
+ } else if(relative_order > 0) {
+ while((iterator = iterator->prev) != NULL) {
+ relative_order = compare(iterator, search_template);
+
+ if(relative_order <= 0) {
+ (*closest_neighbor) = iterator;
+ break;
+ }
+ }
+ }
+
+ return relative_order == 0;
}
+
return 0;
}
+/* Searches for a lock in the given list that matches search_template, and sets
+ * (*locked_locks) to the closest lock in the sort order. */
static int
-find_id(erts_lc_locked_lock_t **l_lcks, Sint16 id)
-{
- erts_lc_locked_lock_t *l_lck = *l_lcks;
-
- if (l_lck) {
- if (l_lck->id == id)
- return 1;
- else if (l_lck->id < id) {
- for (l_lck = l_lck->next; l_lck; l_lck = l_lck->next) {
- if (l_lck->id >= id) {
- *l_lcks = l_lck;
- if (l_lck->id == id)
- return 1;
- return 0;
- }
- }
- }
- else {
- for (l_lck = l_lck->prev; l_lck; l_lck = l_lck->prev) {
- if (l_lck->id <= id) {
- *l_lcks = l_lck;
- if (l_lck->id == id)
- return 1;
- return 0;
- }
- }
- }
+find_lock(erts_lc_locked_lock_t **locked_locks, erts_lc_lock_t *search_template)
+{
+ erts_lc_locked_lock_t *closest_neighbor;
+ int found_lock;
+
+ found_lock = search_locked_list(compare_locked_by_id_extra,
+ (*locked_locks),
+ search_template,
+ &closest_neighbor);
+
+ (*locked_locks) = closest_neighbor;
+
+ if(found_lock) {
+ erts_lock_options_t relevant_options;
+ erts_lock_flags_t relevant_flags;
+
+ /* We only care about the options and flags that are set in the
+ * template. */
+ relevant_options = (closest_neighbor->taken_options & search_template->taken_options);
+ relevant_flags = (closest_neighbor->flags & search_template->flags);
+
+ return search_template->taken_options == relevant_options &&
+ search_template->flags == relevant_flags;
}
+
return 0;
}
+/* Searches for a lock in the given list by id, and sets (*locked_locks) to the
+ * closest lock in the sort order. */
+static int
+find_id(erts_lc_locked_lock_t **locked_locks, Sint16 id)
+{
+ erts_lc_locked_lock_t *closest_neighbor;
+ erts_lc_lock_t search_template;
+ int found_lock;
+
+ search_template.id = id;
+
+ found_lock = search_locked_list(compare_locked_by_id,
+ (*locked_locks),
+ &search_template,
+ &closest_neighbor);
+
+ (*locked_locks) = closest_neighbor;
+
+ return found_lock;
+}
+
void
erts_lc_have_locks(int *resv, erts_lc_lock_t *locks, int len)
{
@@ -919,17 +944,17 @@ erts_lc_check_exact(erts_lc_lock_t *have, int have_len)
}
void
-erts_lc_check_no_locked_of_type(Uint16 flags)
+erts_lc_check_no_locked_of_type(erts_lock_flags_t type)
{
erts_lc_locked_locks_t *l_lcks = get_my_locked_locks();
if (l_lcks) {
erts_lc_locked_lock_t *l_lck = l_lcks->locked.first;
for (l_lck = l_lcks->locked.first; l_lck; l_lck = l_lck->next) {
- if (l_lck->flags & flags) {
+ if ((l_lck->flags & ERTS_LOCK_FLAGS_MASK_TYPE) == type) {
erts_fprintf(stderr,
"Locked lock of type %s found which isn't "
"allowed here!\n",
- lock_type(l_lck->flags));
+ erts_lock_flags_get_type_name(l_lck->flags));
print_curr_locks(l_lcks);
lc_abort();
}
@@ -938,7 +963,7 @@ erts_lc_check_no_locked_of_type(Uint16 flags)
}
int
-erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags)
+erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, erts_lock_options_t options)
{
#ifdef ERTS_LC_DO_NOT_FORCE_BUSY_TRYLOCK_ON_LOCK_ORDER_VIOLATION
return 0;
@@ -987,7 +1012,7 @@ erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags)
if (tl_lck->id < lck->id
|| (tl_lck->id == lck->id && tl_lck->extra <= lck->extra)) {
if (tl_lck->id == lck->id && tl_lck->extra == lck->extra)
- lock_twice("Trylocking", l_lcks, lck, op_flags);
+ lock_twice("Trylocking", l_lcks, lck, options);
break;
}
}
@@ -1009,7 +1034,7 @@ erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags)
#endif
}
-void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line)
{
erts_lc_locked_locks_t *l_lcks;
@@ -1022,7 +1047,7 @@ void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags,
return;
l_lcks = make_my_locked_locks();
- l_lck = locked ? new_locked_lock(lck, op_flags, file, line) : NULL;
+ l_lck = locked ? new_locked_lock(lck, options, file, line) : NULL;
if (!l_lcks->locked.last) {
ASSERT(!l_lcks->locked.first);
@@ -1040,7 +1065,7 @@ void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags,
if (tl_lck->id < lck->id
|| (tl_lck->id == lck->id && tl_lck->extra <= lck->extra)) {
if (tl_lck->id == lck->id && tl_lck->extra == lck->extra)
- lock_twice("Trylocking", l_lcks, lck, op_flags);
+ lock_twice("Trylocking", l_lcks, lck, options);
if (locked) {
l_lck->next = tl_lck->next;
l_lck->prev = tl_lck;
@@ -1063,14 +1088,14 @@ void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags,
}
-void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_require_lock_flg(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line)
{
erts_lc_locked_locks_t *l_lcks = make_my_locked_locks();
erts_lc_locked_lock_t *l_lck = l_lcks->locked.first;
if (!find_lock(&l_lck, lck))
required_not_locked(l_lcks, lck);
- l_lck = new_locked_lock(lck, op_flags, file, line);
+ l_lck = new_locked_lock(lck, options, file, line);
if (!l_lcks->required.last) {
ASSERT(!l_lcks->required.first);
l_lck->next = l_lck->prev = NULL;
@@ -1110,7 +1135,7 @@ void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags,
}
}
-void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
+void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, erts_lock_options_t options)
{
erts_lc_locked_locks_t *l_lcks = make_my_locked_locks();
erts_lc_locked_lock_t *l_lck = l_lcks->locked.first;
@@ -1138,7 +1163,7 @@ void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
lc_free((void *) l_lck);
}
-void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_lock_flg_x(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line)
{
erts_lc_locked_locks_t *l_lcks;
@@ -1151,7 +1176,7 @@ void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags,
return;
l_lcks = make_my_locked_locks();
- l_lck = new_locked_lock(lck, op_flags, file, line);
+ l_lck = new_locked_lock(lck, options, file, line);
if (!l_lcks->locked.last) {
ASSERT(!l_lcks->locked.first);
@@ -1167,12 +1192,12 @@ void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags,
l_lcks->locked.last = l_lck;
}
else if (l_lcks->locked.last->id == lck->id && l_lcks->locked.last->extra == lck->extra)
- lock_twice("Locking", l_lcks, lck, op_flags);
+ lock_twice("Locking", l_lcks, lck, options);
else
lock_order_violation(l_lcks, lck);
}
-void erts_lc_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
+void erts_lc_unlock_flg(erts_lc_lock_t *lck, erts_lock_options_t options)
{
erts_lc_locked_locks_t *l_lcks;
erts_lc_locked_lock_t *l_lck;
@@ -1193,8 +1218,8 @@ void erts_lc_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
for (l_lck = l_lcks ? l_lcks->locked.last : NULL; l_lck; l_lck = l_lck->prev) {
if (l_lck->id == lck->id && l_lck->extra == lck->extra) {
- if ((l_lck->flags & ERTS_LC_FLG_LO_ALL) != op_flags)
- unlock_op_mismatch(l_lcks, lck, op_flags);
+ if ((l_lck->taken_options & ERTS_LOCK_OPTIONS_RDWR) != options)
+ unlock_op_mismatch(l_lcks, lck, options);
if (l_lck->prev)
l_lck->prev->next = l_lck->next;
else
@@ -1211,7 +1236,7 @@ void erts_lc_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
unlock_of_not_locked(l_lcks, lck);
}
-void erts_lc_might_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags)
+void erts_lc_might_unlock_flg(erts_lc_lock_t *lck, erts_lock_options_t options)
{
erts_lc_locked_locks_t *l_lcks;
erts_lc_locked_lock_t *l_lck;
@@ -1275,23 +1300,25 @@ void erts_lc_unrequire_lock(erts_lc_lock_t *lck)
}
void
-erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags)
+erts_lc_init_lock(erts_lc_lock_t *lck, char *name, erts_lock_flags_t flags)
{
lck->id = erts_lc_get_lock_order_id(name);
lck->extra = (UWord) &lck->extra;
ASSERT(is_not_immed(lck->extra));
lck->flags = flags;
+ lck->taken_options = 0;
lck->inited = ERTS_LC_INITITALIZED;
}
void
-erts_lc_init_lock_x(erts_lc_lock_t *lck, char *name, Uint16 flags, Eterm extra)
+erts_lc_init_lock_x(erts_lc_lock_t *lck, char *name, erts_lock_flags_t flags, Eterm extra)
{
lck->id = erts_lc_get_lock_order_id(name);
lck->extra = extra;
ASSERT(is_immed(lck->extra));
lck->flags = flags;
+ lck->taken_options = 0;
lck->inited = ERTS_LC_INITITALIZED;
}
@@ -1305,6 +1332,7 @@ erts_lc_destroy_lock(erts_lc_lock_t *lck)
lck->id = -1;
lck->extra = THE_NON_VALUE;
lck->flags = 0;
+ lck->taken_options = 0;
}
void
diff --git a/erts/emulator/beam/erl_lock_check.h b/erts/emulator/beam/erl_lock_check.h
index 18296d1fec..8c754a8dfa 100644
--- a/erts/emulator/beam/erl_lock_check.h
+++ b/erts/emulator/beam/erl_lock_check.h
@@ -36,6 +36,8 @@
#ifdef ERTS_ENABLE_LOCK_CHECK
+#include "erl_lock_flags.h"
+
#ifndef ERTS_ENABLE_LOCK_POSITION
/* Enable in order for _x variants of mtx functions to be used. */
#define ERTS_ENABLE_LOCK_POSITION 1
@@ -44,36 +46,14 @@
typedef struct {
int inited;
Sint16 id;
- Uint16 flags;
+ erts_lock_flags_t flags;
+ erts_lock_options_t taken_options;
UWord extra;
} erts_lc_lock_t;
#define ERTS_LC_INITITALIZED 0x7f7f7f7f
-
-#define ERTS_LC_FLG_LT_SPINLOCK (((Uint16) 1) << 0)
-#define ERTS_LC_FLG_LT_RWSPINLOCK (((Uint16) 1) << 1)
-#define ERTS_LC_FLG_LT_MUTEX (((Uint16) 1) << 2)
-#define ERTS_LC_FLG_LT_RWMUTEX (((Uint16) 1) << 3)
-#define ERTS_LC_FLG_LT_PROCLOCK (((Uint16) 1) << 4)
-
-#define ERTS_LC_FLG_LO_READ (((Uint16) 1) << 5)
-#define ERTS_LC_FLG_LO_WRITE (((Uint16) 1) << 6)
-
-#define ERTS_LC_FLG_LO_READ_WRITE (ERTS_LC_FLG_LO_READ \
- | ERTS_LC_FLG_LO_WRITE)
-
-#define ERTS_LC_FLG_LT_ALL (ERTS_LC_FLG_LT_SPINLOCK \
- | ERTS_LC_FLG_LT_RWSPINLOCK \
- | ERTS_LC_FLG_LT_MUTEX \
- | ERTS_LC_FLG_LT_RWMUTEX \
- | ERTS_LC_FLG_LT_PROCLOCK)
-
-#define ERTS_LC_FLG_LO_ALL (ERTS_LC_FLG_LO_READ \
- | ERTS_LC_FLG_LO_WRITE)
-
-
-#define ERTS_LC_LOCK_INIT(ID, X, F) {ERTS_LC_INITITALIZED, (ID), (F), (X)}
+#define ERTS_LC_LOCK_INIT(ID, X, F) {ERTS_LC_INITITALIZED, (ID), (F), 0, (X)}
void erts_lc_init(void);
void erts_lc_late_init(void);
@@ -83,31 +63,31 @@ void erts_lc_check(erts_lc_lock_t *have, int have_len,
void erts_lc_check_exact(erts_lc_lock_t *have, int have_len);
void erts_lc_have_locks(int *resv, erts_lc_lock_t *lcks, int len);
void erts_lc_have_lock_ids(int *resv, int *ids, int len);
-void erts_lc_check_no_locked_of_type(Uint16 flags);
-int erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, Uint16 op_flags);
-void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_check_no_locked_of_type(erts_lock_flags_t flags);
+int erts_lc_trylock_force_busy_flg(erts_lc_lock_t *lck, erts_lock_options_t options);
+void erts_lc_trylock_flg_x(int locked, erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line);
-void erts_lc_lock_flg_x(erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_lock_flg_x(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line);
-void erts_lc_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags);
-void erts_lc_might_unlock_flg(erts_lc_lock_t *lck, Uint16 op_flags);
+void erts_lc_unlock_flg(erts_lc_lock_t *lck, erts_lock_options_t options);
+void erts_lc_might_unlock_flg(erts_lc_lock_t *lck, erts_lock_options_t options);
int erts_lc_trylock_force_busy(erts_lc_lock_t *lck);
void erts_lc_trylock_x(int locked, erts_lc_lock_t *lck,
char* file, unsigned int line);
void erts_lc_lock_x(erts_lc_lock_t *lck, char* file, unsigned int line);
void erts_lc_unlock(erts_lc_lock_t *lck);
void erts_lc_might_unlock(erts_lc_lock_t *lck);
-void erts_lc_init_lock(erts_lc_lock_t *lck, char *name, Uint16 flags);
-void erts_lc_init_lock_x(erts_lc_lock_t *lck, char *name, Uint16 flags, Eterm extra);
+void erts_lc_init_lock(erts_lc_lock_t *lck, char *name, erts_lock_flags_t flags);
+void erts_lc_init_lock_x(erts_lc_lock_t *lck, char *name, erts_lock_flags_t flags, Eterm extra);
void erts_lc_destroy_lock(erts_lc_lock_t *lck);
void erts_lc_fail(char *fmt, ...);
int erts_lc_assert_failed(char *file, int line, char *assertion);
void erts_lc_set_thread_name(char *thread_name);
void erts_lc_pll(void);
-void erts_lc_require_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags,
+void erts_lc_require_lock_flg(erts_lc_lock_t *lck, erts_lock_options_t options,
char *file, unsigned int line);
-void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, Uint16 op_flags);
+void erts_lc_unrequire_lock_flg(erts_lc_lock_t *lck, erts_lock_options_t options);
void erts_lc_require_lock(erts_lc_lock_t *lck, char *file, unsigned int line);
void erts_lc_unrequire_lock(erts_lc_lock_t *lck);
diff --git a/erts/emulator/beam/erl_process_lock.c b/erts/emulator/beam/erl_process_lock.c
index 23c7414901..ff124d5ba7 100644
--- a/erts/emulator/beam/erl_process_lock.c
+++ b/erts/emulator/beam/erl_process_lock.c
@@ -1200,7 +1200,7 @@ erts_proc_lc_lock(Process *p, ErtsProcLocks locks, char *file, unsigned int line
{
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_MAIN) {
lck.id = lc_id.proc_lock_main;
erts_lc_lock_x(&lck,file,line);
@@ -1233,7 +1233,7 @@ erts_proc_lc_trylock(Process *p, ErtsProcLocks locks, int locked,
{
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_MAIN) {
lck.id = lc_id.proc_lock_main;
erts_lc_trylock_x(locked, &lck, file, line);
@@ -1265,7 +1265,7 @@ erts_proc_lc_unlock(Process *p, ErtsProcLocks locks)
{
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_TRACE) {
lck.id = lc_id.proc_lock_trace;
erts_lc_unlock(&lck);
@@ -1300,7 +1300,7 @@ erts_proc_lc_might_unlock(Process *p, ErtsProcLocks locks)
#if ERTS_PROC_LOCK_OWN_IMPL
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_TRACE) {
lck.id = lc_id.proc_lock_trace;
erts_lc_might_unlock(&lck);
@@ -1348,7 +1348,7 @@ erts_proc_lc_require_lock(Process *p, ErtsProcLocks locks, char *file,
#if ERTS_PROC_LOCK_OWN_IMPL
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_MAIN) {
lck.id = lc_id.proc_lock_main;
erts_lc_require_lock(&lck, file, line);
@@ -1395,7 +1395,7 @@ erts_proc_lc_unrequire_lock(Process *p, ErtsProcLocks locks)
#if ERTS_PROC_LOCK_OWN_IMPL
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_TRACE) {
lck.id = lc_id.proc_lock_trace;
erts_lc_unrequire_lock(&lck);
@@ -1444,7 +1444,7 @@ erts_proc_lc_trylock_force_busy(Process *p, ErtsProcLocks locks)
if (locks & ERTS_PROC_LOCKS_ALL) {
erts_lc_lock_t lck = ERTS_LC_LOCK_INIT(-1,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK);
+ ERTS_LOCK_TYPE_PROCLOCK);
if (locks & ERTS_PROC_LOCK_MAIN)
lck.id = lc_id.proc_lock_main;
@@ -1475,7 +1475,7 @@ void erts_proc_lc_chk_only_proc_main(Process *p)
#if ERTS_PROC_LOCK_OWN_IMPL
#define ERTS_PROC_LC_EMPTY_LOCK_INIT \
- ERTS_LC_LOCK_INIT(-1, THE_NON_VALUE, ERTS_LC_FLG_LT_PROCLOCK)
+ ERTS_LC_LOCK_INIT(-1, THE_NON_VALUE, ERTS_LOCK_TYPE_PROCLOCK)
#endif /* ERTS_PROC_LOCK_OWN_IMPL */
void erts_proc_lc_chk_only_proc(Process *p, ErtsProcLocks locks)
@@ -1690,22 +1690,22 @@ erts_proc_lc_my_proc_locks(Process *p)
#if ERTS_PROC_LOCK_OWN_IMPL
erts_lc_lock_t locks[6] = {ERTS_LC_LOCK_INIT(lc_id.proc_lock_main,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LOCK_TYPE_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_link,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LOCK_TYPE_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_msgq,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LOCK_TYPE_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_btm,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LOCK_TYPE_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_status,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK),
+ ERTS_LOCK_TYPE_PROCLOCK),
ERTS_LC_LOCK_INIT(lc_id.proc_lock_trace,
p->common.id,
- ERTS_LC_FLG_LT_PROCLOCK)};
+ ERTS_LOCK_TYPE_PROCLOCK)};
#elif ERTS_PROC_LOCK_RAW_MUTEX_IMPL
erts_lc_lock_t locks[6] = {p->lock.main.lc,
p->lock.link.lc,
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index 6e5a8210cb..8b5c17d739 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -2180,7 +2180,7 @@ erts_mtx_init(erts_mtx_t *mtx, char *name, Eterm extra, erts_lock_flags_t flags)
#endif
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&mtx->lc, name, ERTS_LC_FLG_LT_MUTEX, extra);
+ erts_lc_init_lock_x(&mtx->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_init_ref_x(&mtx->lcnt, name, extra, flags);
@@ -2313,7 +2313,8 @@ erts_lc_mtx_is_locked(erts_mtx_t *mtx)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = mtx->lc;
- lc.flags = 0;
+ lc.flags = ERTS_LOCK_FLAGS_TYPE_MUTEX;
+ lc.taken_options = 0;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
@@ -2413,7 +2414,7 @@ erts_rwmtx_set_reader_group(int no)
#ifdef USE_THREADS
int res;
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_check_no_locked_of_type(ERTS_LC_FLG_LT_RWMUTEX);
+ erts_lc_check_no_locked_of_type(ERTS_LOCK_TYPE_RWMUTEX);
#endif
res = ethr_rwmutex_set_reader_group(no);
if (res != 0)
@@ -2436,7 +2437,7 @@ erts_rwmtx_init_opt(erts_rwmtx_t *rwmtx, erts_rwmtx_opt_t *opt,
#endif
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&rwmtx->lc, name, ERTS_LC_FLG_LT_RWMUTEX, extra);
+ erts_lc_init_lock_x(&rwmtx->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_init_ref_x(&rwmtx->lcnt, name, extra, flags);
@@ -2490,7 +2491,7 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx)
int res;
#ifdef ERTS_ENABLE_LOCK_CHECK
- if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ))
+ if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ))
return EBUSY; /* Make sure caller can handle the situation without
causing a lock order violation */
#endif
@@ -2499,9 +2500,9 @@ erts_rwmtx_tryrlock(erts_rwmtx_t *rwmtx)
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ,file,line);
+ erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
- erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ);
+ erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2524,9 +2525,9 @@ erts_rwmtx_rlock(erts_rwmtx_t *rwmtx)
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LC_FLG_LO_READ,file,line);
+ erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
- erts_lc_lock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ);
+ erts_lc_lock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2544,7 +2545,7 @@ erts_rwmtx_runlock(erts_rwmtx_t *rwmtx)
{
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ);
+ erts_lc_unlock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_READ);
@@ -2565,7 +2566,7 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx)
int res;
#ifdef ERTS_ENABLE_LOCK_CHECK
- if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE))
+ if (erts_lc_trylock_force_busy_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR))
return EBUSY; /* Make sure caller can handle the situation without
causing a lock order violation */
#endif
@@ -2574,9 +2575,9 @@ erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx)
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line);
+ erts_lc_trylock_flg_x(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
- erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE);
+ erts_lc_trylock_flg(res == 0, &rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2599,9 +2600,9 @@ erts_rwmtx_rwlock(erts_rwmtx_t *rwmtx)
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line);
+ erts_lc_lock_flg_x(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
- erts_lc_lock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE);
+ erts_lc_lock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -2619,7 +2620,7 @@ erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx)
{
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_unlock_flg(&rwmtx->lc, ERTS_LC_FLG_LO_READ_WRITE);
+ erts_lc_unlock_flg(&rwmtx->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_unlock_opt(&rwmtx->lcnt, ERTS_LOCK_OPTIONS_RDWR);
@@ -2660,7 +2661,8 @@ erts_lc_rwmtx_is_rlocked(erts_rwmtx_t *mtx)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = mtx->lc;
- lc.flags = ERTS_LC_FLG_LO_READ;
+ lc.flags = ERTS_LOCK_TYPE_RWMUTEX;
+ lc.taken_options = ERTS_LOCK_OPTIONS_READ;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
@@ -2674,7 +2676,8 @@ erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = mtx->lc;
- lc.flags = ERTS_LC_FLG_LO_READ|ERTS_LC_FLG_LO_WRITE;
+ lc.flags = ERTS_LOCK_TYPE_RWMUTEX;
+ lc.taken_options = ERTS_LOCK_OPTIONS_RDWR;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
@@ -3021,7 +3024,7 @@ erts_spinlock_init(erts_spinlock_t *lock, char *name, Eterm extra, erts_lock_fla
#endif
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_SPINLOCK, extra);
+ erts_lc_init_lock_x(&lock->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
@@ -3109,7 +3112,8 @@ erts_lc_spinlock_is_locked(erts_spinlock_t *lock)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = lock->lc;
- lc.flags = 0;
+ lc.flags = ERTS_LOCK_TYPE_SPINLOCK;
+ lc.taken_options = 0;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
@@ -3134,7 +3138,7 @@ erts_rwlock_init(erts_rwlock_t *lock, char *name, Eterm extra, erts_lock_flags_t
#endif
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_init_lock_x(&lock->lc, name, ERTS_LC_FLG_LT_RWSPINLOCK, extra);
+ erts_lc_init_lock_x(&lock->lc, name, flags, extra);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_init_ref_x(&lock->lcnt, name, extra, flags);
@@ -3178,7 +3182,7 @@ erts_read_unlock(erts_rwlock_t *lock)
{
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ);
+ erts_lc_unlock_flg(&lock->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_READ);
@@ -3199,9 +3203,9 @@ erts_read_lock(erts_rwlock_t *lock)
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_lock_flg_x(&lock->lc, ERTS_LC_FLG_LO_READ,file,line);
+ erts_lc_lock_flg_x(&lock->lc, ERTS_LOCK_OPTIONS_READ,file,line);
#else
- erts_lc_lock_flg(&lock->lc, ERTS_LC_FLG_LO_READ);
+ erts_lc_lock_flg(&lock->lc, ERTS_LOCK_OPTIONS_READ);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -3221,7 +3225,7 @@ erts_write_unlock(erts_rwlock_t *lock)
{
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
- erts_lc_unlock_flg(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE);
+ erts_lc_unlock_flg(&lock->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
erts_lcnt_unlock_opt(&lock->lcnt, ERTS_LOCK_OPTIONS_RDWR);
@@ -3242,9 +3246,9 @@ erts_write_lock(erts_rwlock_t *lock)
#ifdef USE_THREADS
#ifdef ERTS_ENABLE_LOCK_CHECK
#ifdef ERTS_ENABLE_LOCK_POSITION
- erts_lc_lock_flg_x(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE,file,line);
+ erts_lc_lock_flg_x(&lock->lc, ERTS_LOCK_OPTIONS_RDWR,file,line);
#else
- erts_lc_lock_flg(&lock->lc, ERTS_LC_FLG_LO_READ_WRITE);
+ erts_lc_lock_flg(&lock->lc, ERTS_LOCK_OPTIONS_RDWR);
#endif
#endif
#ifdef ERTS_ENABLE_LOCK_COUNT
@@ -3265,7 +3269,8 @@ erts_lc_rwlock_is_rlocked(erts_rwlock_t *lock)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = lock->lc;
- lc.flags = ERTS_LC_FLG_LO_READ;
+ lc.flags = ERTS_LOCK_TYPE_RWSPINLOCK;
+ lc.taken_options = ERTS_LOCK_OPTIONS_READ;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
@@ -3279,7 +3284,8 @@ erts_lc_rwlock_is_rwlocked(erts_rwlock_t *lock)
#if defined(USE_THREADS) && defined(ERTS_ENABLE_LOCK_CHECK)
int res;
erts_lc_lock_t lc = lock->lc;
- lc.flags = ERTS_LC_FLG_LO_READ|ERTS_LC_FLG_LO_WRITE;
+ lc.flags = ERTS_LOCK_TYPE_RWSPINLOCK;
+ lc.taken_options = ERTS_LOCK_OPTIONS_RDWR;
erts_lc_have_locks(&res, &lc, 1);
return res;
#else
--
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