diff options
author | Craig Tiller <ctiller@google.com> | 2016-06-23 11:57:26 -0700 |
---|---|---|
committer | Craig Tiller <ctiller@google.com> | 2016-06-23 11:57:26 -0700 |
commit | c074408bd3ff79c1eff55f4c6d0f8f6ddc852abb (patch) | |
tree | a265c1420763c6c67fd00858ac0142dc0840041d /src/core/lib/surface/completion_queue.c | |
parent | 5856dee7d6728bcdd0aaf8ac98abef4690252d4b (diff) | |
parent | d605b63383678313aaf3a6a3be7d8f9fc7ca67e9 (diff) |
Merge github.com:grpc/grpc into consistent_client_count
Diffstat (limited to 'src/core/lib/surface/completion_queue.c')
-rw-r--r-- | src/core/lib/surface/completion_queue.c | 68 |
1 files changed, 54 insertions, 14 deletions
diff --git a/src/core/lib/surface/completion_queue.c b/src/core/lib/surface/completion_queue.c index 5eb7cf1bf4..2cc6aa74e0 100644 --- a/src/core/lib/surface/completion_queue.c +++ b/src/core/lib/surface/completion_queue.c @@ -50,6 +50,8 @@ #include "src/core/lib/surface/event_string.h" #include "src/core/lib/surface/surface_trace.h" +int grpc_trace_operation_failures; + typedef struct { grpc_pollset_worker **worker; void *tag; @@ -92,7 +94,7 @@ static gpr_mu g_freelist_mu; static grpc_completion_queue *g_freelist; static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *cc, - bool success); + grpc_error *error); void grpc_cq_global_init(void) { gpr_mu_init(&g_freelist_mu); } @@ -176,7 +178,7 @@ void grpc_cq_internal_ref(grpc_completion_queue *cc) { } static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *arg, - bool success) { + grpc_error *error) { grpc_completion_queue *cc = arg; GRPC_CQ_INTERNAL_UNREF(cc, "pollset_destroy"); } @@ -219,7 +221,7 @@ void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) { event, then enter shutdown mode */ /* Queue a GRPC_OP_COMPLETED operation */ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, - void *tag, int success, + void *tag, grpc_error *error, void (*done)(grpc_exec_ctx *exec_ctx, void *done_arg, grpc_cq_completion *storage), void *done_arg, grpc_cq_completion *storage) { @@ -231,16 +233,24 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, #endif GPR_TIMER_BEGIN("grpc_cq_end_op", 0); - GRPC_API_TRACE( - "grpc_cq_end_op(exec_ctx=%p, cc=%p, tag=%p, success=%d, done=%p, " - "done_arg=%p, storage=%p)", - 7, (exec_ctx, cc, tag, success, done, done_arg, storage)); + if (grpc_api_trace || + (grpc_trace_operation_failures && error != GRPC_ERROR_NONE)) { + const char *errmsg = grpc_error_string(error); + GRPC_API_TRACE( + "grpc_cq_end_op(exec_ctx=%p, cc=%p, tag=%p, error=%s, done=%p, " + "done_arg=%p, storage=%p)", + 7, (exec_ctx, cc, tag, errmsg, done, done_arg, storage)); + if (grpc_trace_operation_failures) { + gpr_log(GPR_ERROR, "Operation failed: tag=%p, error=%s", tag, errmsg); + } + grpc_error_free_string(errmsg); + } storage->tag = tag; storage->done = done; storage->done_arg = done_arg; - storage->next = - ((uintptr_t)&cc->completed_head) | ((uintptr_t)(success != 0)); + storage->next = ((uintptr_t)&cc->completed_head) | + ((uintptr_t)(error == GRPC_ERROR_NONE)); gpr_mu_lock(cc->mu); #ifndef NDEBUG @@ -267,8 +277,15 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, break; } } - grpc_pollset_kick(POLLSET_FROM_CQ(cc), pluck_worker); + grpc_error *kick_error = + grpc_pollset_kick(POLLSET_FROM_CQ(cc), pluck_worker); gpr_mu_unlock(cc->mu); + if (kick_error != GRPC_ERROR_NONE) { + const char *msg = grpc_error_string(kick_error); + gpr_log(GPR_ERROR, "Kick failed: %s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(kick_error); + } } else { cc->completed_tail->next = ((uintptr_t)storage) | (1u & (uintptr_t)cc->completed_tail->next); @@ -282,6 +299,8 @@ void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc, } GPR_TIMER_END("grpc_cq_end_op", 0); + + GRPC_ERROR_UNREF(error); } grpc_event grpc_completion_queue_next(grpc_completion_queue *cc, @@ -347,8 +366,18 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc, gpr_mu_lock(cc->mu); continue; } else { - grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), &worker, now, - iteration_deadline); + grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), + &worker, now, iteration_deadline); + if (err != GRPC_ERROR_NONE) { + gpr_mu_unlock(cc->mu); + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "Completion queue next failed: %s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); + memset(&ret, 0, sizeof(ret)); + ret.type = GRPC_QUEUE_TIMEOUT; + break; + } } } GRPC_SURFACE_TRACE_RETURNED_EVENT(cc, &ret); @@ -464,8 +493,19 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag, grpc_exec_ctx_flush(&exec_ctx); gpr_mu_lock(cc->mu); } else { - grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), &worker, now, - iteration_deadline); + grpc_error *err = grpc_pollset_work(&exec_ctx, POLLSET_FROM_CQ(cc), + &worker, now, iteration_deadline); + if (err != GRPC_ERROR_NONE) { + del_plucker(cc, tag, &worker); + gpr_mu_unlock(cc->mu); + const char *msg = grpc_error_string(err); + gpr_log(GPR_ERROR, "Completion queue next failed: %s", msg); + grpc_error_free_string(msg); + GRPC_ERROR_UNREF(err); + memset(&ret, 0, sizeof(ret)); + ret.type = GRPC_QUEUE_TIMEOUT; + break; + } } del_plucker(cc, tag, &worker); } |