diff options
Diffstat (limited to 'src/core/lib/iomgr')
-rw-r--r-- | src/core/lib/iomgr/combiner.c | 28 | ||||
-rw-r--r-- | src/core/lib/iomgr/combiner.h | 23 | ||||
-rw-r--r-- | src/core/lib/iomgr/resource_quota.c | 2 |
3 files changed, 49 insertions, 4 deletions
diff --git a/src/core/lib/iomgr/combiner.c b/src/core/lib/iomgr/combiner.c index ba6c7087a9..fa9966c3a6 100644 --- a/src/core/lib/iomgr/combiner.c +++ b/src/core/lib/iomgr/combiner.c @@ -72,6 +72,7 @@ struct grpc_combiner { bool final_list_covered_by_poller; grpc_closure_list final_list; grpc_closure offload; + gpr_refcount refs; }; static void combiner_exec_uncovered(grpc_exec_ctx *exec_ctx, @@ -126,6 +127,7 @@ static bool is_covered_by_poller(grpc_combiner *lock) { grpc_combiner *grpc_combiner_create(grpc_workqueue *optional_workqueue) { grpc_combiner *lock = gpr_malloc(sizeof(*lock)); + gpr_ref_init(&lock->refs, 1); lock->next_combiner_on_this_exec_ctx = NULL; lock->time_to_execute_final_list = false; lock->optional_workqueue = optional_workqueue; @@ -152,7 +154,7 @@ static void really_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { gpr_free(lock); } -void grpc_combiner_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { +static void start_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { gpr_atm old_state = gpr_atm_full_fetch_add(&lock->state, -STATE_UNORPHANED); GRPC_COMBINER_TRACE(gpr_log( GPR_DEBUG, "C:%p really_destroy old_state=%" PRIdPTR, lock, old_state)); @@ -161,6 +163,30 @@ void grpc_combiner_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { } } +#ifdef GRPC_COMBINER_REFCOUNT_DEBUG +#define GRPC_COMBINER_DEBUG_SPAM(op, delta) \ + gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, \ + "combiner[%p] %s %" PRIdPTR " --> %" PRIdPTR " %s", lock, (op), \ + gpr_atm_no_barrier_load(&lock->refs.count), \ + gpr_atm_no_barrier_load(&lock->refs.count) + (delta), reason); +#else +#define GRPC_COMBINER_DEBUG_SPAM(op, delta) +#endif + +void grpc_combiner_unref(grpc_exec_ctx *exec_ctx, + grpc_combiner *lock GRPC_COMBINER_DEBUG_ARGS) { + GRPC_COMBINER_DEBUG_SPAM("UNREF", -1); + if (gpr_unref(&lock->refs)) { + start_destroy(exec_ctx, lock); + } +} + +grpc_combiner *grpc_combiner_ref(grpc_combiner *lock GRPC_COMBINER_DEBUG_ARGS) { + GRPC_COMBINER_DEBUG_SPAM(" REF", 1); + gpr_ref(&lock->refs); + return lock; +} + static void push_last_on_exec_ctx(grpc_exec_ctx *exec_ctx, grpc_combiner *lock) { lock->next_combiner_on_this_exec_ctx = NULL; diff --git a/src/core/lib/iomgr/combiner.h b/src/core/lib/iomgr/combiner.h index 81dff85d40..75dcb0b70a 100644 --- a/src/core/lib/iomgr/combiner.h +++ b/src/core/lib/iomgr/combiner.h @@ -48,8 +48,27 @@ // Initialize the lock, with an optional workqueue to shift load to when // necessary grpc_combiner *grpc_combiner_create(grpc_workqueue *optional_workqueue); -// Destroy the lock -void grpc_combiner_destroy(grpc_exec_ctx *exec_ctx, grpc_combiner *lock); + +//#define GRPC_COMBINER_REFCOUNT_DEBUG +#ifdef GRPC_COMBINER_REFCOUNT_DEBUG +#define GRPC_COMBINER_DEBUG_ARGS \ + , const char *file, int line, const char *reason +#define GRPC_COMBINER_REF(combiner, reason) \ + grpc_combiner_ref((combiner), __FILE__, __LINE__, (reason)) +#define GRPC_COMBINER_UNREF(exec_ctx, combiner, reason) \ + grpc_combiner_unref((exec_ctx), (combiner), __FILE__, __LINE__, (reason)) +#else +#define GRPC_COMBINER_DEBUG_ARGS +#define GRPC_COMBINER_REF(combiner, reason) grpc_combiner_ref((combiner)) +#define GRPC_COMBINER_UNREF(exec_ctx, combiner, reason) \ + grpc_combiner_unref((exec_ctx), (combiner)) +#endif + +// Ref/unref the lock, for when we're sharing the lock ownership +// Prefer to use the macros above +grpc_combiner *grpc_combiner_ref(grpc_combiner *lock GRPC_COMBINER_DEBUG_ARGS); +void grpc_combiner_unref(grpc_exec_ctx *exec_ctx, + grpc_combiner *lock GRPC_COMBINER_DEBUG_ARGS); // Fetch a scheduler to schedule closures against grpc_closure_scheduler *grpc_combiner_scheduler(grpc_combiner *lock, bool covered_by_poller); diff --git a/src/core/lib/iomgr/resource_quota.c b/src/core/lib/iomgr/resource_quota.c index 2cc979467f..511ffdcdf1 100644 --- a/src/core/lib/iomgr/resource_quota.c +++ b/src/core/lib/iomgr/resource_quota.c @@ -599,7 +599,7 @@ grpc_resource_quota *grpc_resource_quota_create(const char *name) { void grpc_resource_quota_unref_internal(grpc_exec_ctx *exec_ctx, grpc_resource_quota *resource_quota) { if (gpr_unref(&resource_quota->refs)) { - grpc_combiner_destroy(exec_ctx, resource_quota->combiner); + GRPC_COMBINER_UNREF(exec_ctx, resource_quota->combiner, "resource_quota"); gpr_free(resource_quota->name); gpr_free(resource_quota); } |