diff options
Diffstat (limited to 'src/core/lib/iomgr/timer.c')
-rw-r--r-- | src/core/lib/iomgr/timer.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/src/core/lib/iomgr/timer.c b/src/core/lib/iomgr/timer.c index acb5b26c87..7b0ef550a7 100644 --- a/src/core/lib/iomgr/timer.c +++ b/src/core/lib/iomgr/timer.c @@ -73,7 +73,7 @@ static shard_type *g_shard_queue[NUM_SHARDS]; static bool g_initialized = false; static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, - gpr_timespec *next, int success); + gpr_timespec *next, grpc_error *error); static gpr_timespec compute_min_deadline(shard_type *shard) { return grpc_timer_heap_is_empty(&shard->heap) @@ -105,7 +105,8 @@ void grpc_timer_list_init(gpr_timespec now) { void grpc_timer_list_shutdown(grpc_exec_ctx *exec_ctx) { int i; - run_some_expired_timers(exec_ctx, gpr_inf_future(g_clock_type), NULL, 0); + run_some_expired_timers(exec_ctx, gpr_inf_future(g_clock_type), NULL, + GRPC_ERROR_CREATE("Timer list shutdown")); for (i = 0; i < NUM_SHARDS; i++) { shard_type *shard = &g_shards[i]; gpr_mu_destroy(&shard->mu); @@ -185,13 +186,16 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, if (!g_initialized) { timer->triggered = 1; - grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, false, NULL); + grpc_exec_ctx_sched( + exec_ctx, &timer->closure, + GRPC_ERROR_CREATE("Attempt to create timer before initialization"), + NULL); return; } if (gpr_time_cmp(deadline, now) <= 0) { timer->triggered = 1; - grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, true, NULL); + grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_NONE, NULL); return; } @@ -235,10 +239,15 @@ void grpc_timer_init(grpc_exec_ctx *exec_ctx, grpc_timer *timer, } void grpc_timer_cancel(grpc_exec_ctx *exec_ctx, grpc_timer *timer) { + if (!g_initialized) { + /* must have already been cancelled, also the shard mutex is invalid */ + return; + } + shard_type *shard = &g_shards[shard_idx(timer)]; gpr_mu_lock(&shard->mu); if (!timer->triggered) { - grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, false, NULL); + grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_CANCELLED, NULL); timer->triggered = 1; if (timer->heap_index == INVALID_HEAP_INDEX) { list_remove(timer); @@ -299,12 +308,12 @@ static grpc_timer *pop_one(shard_type *shard, gpr_timespec now) { /* REQUIRES: shard->mu unlocked */ static size_t pop_timers(grpc_exec_ctx *exec_ctx, shard_type *shard, gpr_timespec now, gpr_timespec *new_min_deadline, - int success) { + grpc_error *error) { size_t n = 0; grpc_timer *timer; gpr_mu_lock(&shard->mu); while ((timer = pop_one(shard, now))) { - grpc_exec_ctx_enqueue(exec_ctx, &timer->closure, success, NULL); + grpc_exec_ctx_sched(exec_ctx, &timer->closure, GRPC_ERROR_REF(error), NULL); n++; } *new_min_deadline = compute_min_deadline(shard); @@ -313,7 +322,7 @@ static size_t pop_timers(grpc_exec_ctx *exec_ctx, shard_type *shard, } static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, - gpr_timespec *next, int success) { + gpr_timespec *next, grpc_error *error) { size_t n = 0; /* TODO(ctiller): verify that there are any timers (atomically) here */ @@ -327,8 +336,8 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, /* For efficiency, we pop as many available timers as we can from the shard. This may violate perfect timer deadline ordering, but that shouldn't be a big deal because we don't make ordering guarantees. */ - n += pop_timers(exec_ctx, g_shard_queue[0], now, &new_min_deadline, - success); + n += + pop_timers(exec_ctx, g_shard_queue[0], now, &new_min_deadline, error); /* An grpc_timer_init() on the shard could intervene here, adding a new timer that is earlier than new_min_deadline. However, @@ -359,6 +368,8 @@ static int run_some_expired_timers(grpc_exec_ctx *exec_ctx, gpr_timespec now, *next, gpr_time_add(now, gpr_time_from_millis(1, GPR_TIMESPAN))); } + GRPC_ERROR_UNREF(error); + return (int)n; } @@ -367,5 +378,7 @@ bool grpc_timer_check(grpc_exec_ctx *exec_ctx, gpr_timespec now, GPR_ASSERT(now.clock_type == g_clock_type); return run_some_expired_timers( exec_ctx, now, next, - gpr_time_cmp(now, gpr_inf_future(now.clock_type)) != 0); + gpr_time_cmp(now, gpr_inf_future(now.clock_type)) != 0 + ? GRPC_ERROR_NONE + : GRPC_ERROR_CREATE("Shutting down timer system")); } |