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@ -33,7 +33,6 @@ |
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#include "src/core/lib/debug/stats.h" |
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#include "src/core/lib/debug/trace.h" |
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#include "src/core/lib/gprpp/fork.h" |
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#include "src/core/lib/gprpp/mutex_lock.h" |
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#include "src/core/lib/http/parser.h" |
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#include "src/core/lib/iomgr/call_combiner.h" |
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#include "src/core/lib/iomgr/combiner.h" |
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@ -62,15 +61,10 @@ extern void grpc_register_built_in_plugins(void); |
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static gpr_once g_basic_init = GPR_ONCE_INIT; |
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static gpr_mu g_init_mu; |
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static int g_initializations; |
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static gpr_cv* g_shutting_down_cv; |
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static bool g_shutting_down; |
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static void do_basic_init(void) { |
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gpr_log_verbosity_init(); |
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gpr_mu_init(&g_init_mu); |
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g_shutting_down_cv = static_cast<gpr_cv*>(malloc(sizeof(gpr_cv))); |
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gpr_cv_init(g_shutting_down_cv); |
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g_shutting_down = false; |
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grpc_register_built_in_plugins(); |
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grpc_cq_global_init(); |
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g_initializations = 0; |
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@ -124,12 +118,8 @@ void grpc_init(void) { |
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int i; |
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gpr_once_init(&g_basic_init, do_basic_init); |
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grpc_core::MutexLock lock(&g_init_mu); |
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gpr_mu_lock(&g_init_mu); |
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if (++g_initializations == 1) { |
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if (g_shutting_down) { |
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g_shutting_down = false; |
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gpr_cv_broadcast(g_shutting_down_cv); |
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} |
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grpc_core::Fork::GlobalInit(); |
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grpc_fork_handlers_auto_register(); |
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gpr_time_init(); |
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@ -160,88 +150,50 @@ void grpc_init(void) { |
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grpc_channel_init_finalize(); |
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grpc_iomgr_start(); |
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} |
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gpr_mu_unlock(&g_init_mu); |
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GRPC_API_TRACE("grpc_init(void)", 0, ()); |
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} |
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void grpc_shutdown_internal_locked(void) { |
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void grpc_shutdown(void) { |
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int i; |
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{ |
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grpc_core::ExecCtx exec_ctx(0); |
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grpc_iomgr_shutdown_background_closure(); |
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GRPC_API_TRACE("grpc_shutdown(void)", 0, ()); |
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gpr_mu_lock(&g_init_mu); |
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if (--g_initializations == 0) { |
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{ |
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grpc_timer_manager_set_threading(false); // shutdown timer_manager thread
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grpc_core::Executor::ShutdownAll(); |
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for (i = g_number_of_plugins; i >= 0; i--) { |
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if (g_all_of_the_plugins[i].destroy != nullptr) { |
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g_all_of_the_plugins[i].destroy(); |
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grpc_core::ExecCtx exec_ctx(0); |
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grpc_iomgr_shutdown_background_closure(); |
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{ |
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grpc_timer_manager_set_threading( |
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false); // shutdown timer_manager thread
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grpc_core::Executor::ShutdownAll(); |
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for (i = g_number_of_plugins; i >= 0; i--) { |
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if (g_all_of_the_plugins[i].destroy != nullptr) { |
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g_all_of_the_plugins[i].destroy(); |
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} |
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} |
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} |
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grpc_iomgr_shutdown(); |
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gpr_timers_global_destroy(); |
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grpc_tracer_shutdown(); |
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grpc_mdctx_global_shutdown(); |
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grpc_core::HandshakerRegistry::Shutdown(); |
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grpc_slice_intern_shutdown(); |
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grpc_core::channelz::ChannelzRegistry::Shutdown(); |
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grpc_stats_shutdown(); |
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grpc_core::Fork::GlobalShutdown(); |
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} |
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grpc_iomgr_shutdown(); |
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gpr_timers_global_destroy(); |
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grpc_tracer_shutdown(); |
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grpc_mdctx_global_shutdown(); |
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grpc_core::HandshakerRegistry::Shutdown(); |
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grpc_slice_intern_shutdown(); |
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grpc_core::channelz::ChannelzRegistry::Shutdown(); |
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grpc_stats_shutdown(); |
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grpc_core::Fork::GlobalShutdown(); |
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} |
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grpc_core::ExecCtx::GlobalShutdown(); |
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grpc_core::ApplicationCallbackExecCtx::GlobalShutdown(); |
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g_shutting_down = false; |
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gpr_cv_broadcast(g_shutting_down_cv); |
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} |
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void grpc_shutdown_internal(void* ignored) { |
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GRPC_API_TRACE("grpc_shutdown_internal", 0, ()); |
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grpc_core::MutexLock lock(&g_init_mu); |
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// We have released lock from the shutdown thread and it is possible that
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// another grpc_init has been called, and do nothing if that is the case.
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if (--g_initializations != 0) { |
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return; |
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} |
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grpc_shutdown_internal_locked(); |
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} |
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void grpc_shutdown(void) { |
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GRPC_API_TRACE("grpc_shutdown(void)", 0, ()); |
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grpc_core::MutexLock lock(&g_init_mu); |
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if (--g_initializations == 0) { |
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g_initializations++; |
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g_shutting_down = true; |
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// spawn a detached thread to do the actual clean up in case we are
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// currently in an executor thread.
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grpc_core::Thread cleanup_thread( |
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"grpc_shutdown", grpc_shutdown_internal, nullptr, nullptr, |
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grpc_core::Thread::Options().set_joinable(false).set_tracked(false)); |
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cleanup_thread.Start(); |
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} |
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} |
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void grpc_shutdown_blocking(void) { |
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GRPC_API_TRACE("grpc_shutdown_blocking(void)", 0, ()); |
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grpc_core::MutexLock lock(&g_init_mu); |
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if (--g_initializations == 0) { |
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g_shutting_down = true; |
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grpc_shutdown_internal_locked(); |
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grpc_core::ExecCtx::GlobalShutdown(); |
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grpc_core::ApplicationCallbackExecCtx::GlobalShutdown(); |
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} |
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gpr_mu_unlock(&g_init_mu); |
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} |
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int grpc_is_initialized(void) { |
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int r; |
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gpr_once_init(&g_basic_init, do_basic_init); |
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grpc_core::MutexLock lock(&g_init_mu); |
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gpr_mu_lock(&g_init_mu); |
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r = g_initializations > 0; |
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gpr_mu_unlock(&g_init_mu); |
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return r; |
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} |
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void grpc_maybe_wait_for_async_shutdown(void) { |
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gpr_once_init(&g_basic_init, do_basic_init); |
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grpc_core::MutexLock lock(&g_init_mu); |
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while (g_shutting_down) { |
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gpr_cv_wait(g_shutting_down_cv, &g_init_mu, |
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gpr_inf_future(GPR_CLOCK_REALTIME)); |
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} |
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} |
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Yang Gao
6 years ago
committed by
GitHub