diff options
Diffstat (limited to 'accel-pptpd/triton/triton.c')
-rw-r--r-- | accel-pptpd/triton/triton.c | 61 |
1 files changed, 53 insertions, 8 deletions
diff --git a/accel-pptpd/triton/triton.c b/accel-pptpd/triton/triton.c index 3ed14ff..7d26251 100644 --- a/accel-pptpd/triton/triton.c +++ b/accel-pptpd/triton/triton.c @@ -24,6 +24,9 @@ static LIST_HEAD(ctx_list); static int terminate; static int need_terminate; +static int need_config_reload; +static void (*config_reload_notify)(int); + static mempool_t *ctx_pool; static mempool_t *call_pool; static mempool_t *ctx_stack_pool; @@ -41,6 +44,8 @@ static struct triton_timer_t ru_timer = { }; struct triton_context_t default_ctx; +static struct triton_context_t __thread *this_ctx; + #define log_debug2(fmt, ...) void triton_thread_wakeup(struct _triton_thread_t *thread) @@ -49,6 +54,23 @@ void triton_thread_wakeup(struct _triton_thread_t *thread) pthread_kill(thread->thread, SIGUSR1); } +static void __config_reload(void (*notify)(int)) +{ + struct _triton_thread_t *t; + int r; + + log_debug2("config_reload: enter\n"); + r = conf_reload(NULL); + notify(r); + + spin_lock(&threads_lock); + need_config_reload = 0; + list_for_each_entry(t, &threads, entry) + triton_thread_wakeup(t); + spin_unlock(&threads_lock); + log_debug2("config_reload: exit\n"); +} + static void* triton_thread(struct _triton_thread_t *thread) { sigset_t set; @@ -65,7 +87,7 @@ static void* triton_thread(struct _triton_thread_t *thread) while (1) { spin_lock(&threads_lock); - if (!list_empty(&ctx_queue)) { + if (!list_empty(&ctx_queue) && !need_config_reload) { thread->ctx = list_entry(ctx_queue.next, typeof(*thread->ctx), entry2); log_debug2("thread: %p: dequeued ctx %p\n", thread, thread->ctx); list_del(&thread->ctx->entry2); @@ -79,18 +101,24 @@ static void* triton_thread(struct _triton_thread_t *thread) log_debug2("thread: %p: sleeping\n", thread); if (!terminate) list_add(&thread->entry2, &sleep_threads); - spin_unlock(&threads_lock); + + if (--triton_stat.thread_active == 0 && need_config_reload) { + spin_unlock(&threads_lock); + __config_reload(config_reload_notify); + } else + spin_unlock(&threads_lock); + if (terminate) return NULL; - __sync_sub_and_fetch(&triton_stat.thread_active, 1); //printf("thread %p: enter sigwait\n", thread); sigwait(&set, &sig); //printf("thread %p: exit sigwait\n", thread); - __sync_add_and_fetch(&triton_stat.thread_active, 1); spin_lock(&threads_lock); + ++triton_stat.thread_active; if (!thread->ctx) { + list_del(&thread->entry2); spin_unlock(&threads_lock); continue; } @@ -99,6 +127,7 @@ static void* triton_thread(struct _triton_thread_t *thread) cont: log_debug2("thread %p: ctx=%p %p\n", thread, thread->ctx, thread->ctx ? thread->ctx->thread : NULL); + this_ctx = thread->ctx->ud; if (thread->ctx->ud->before_switch) thread->ctx->ud->before_switch(thread->ctx->ud, thread->ctx->bf_arg); @@ -229,7 +258,7 @@ int triton_queue_ctx(struct _triton_context_t *ctx) return 0; spin_lock(&threads_lock); - if (list_empty(&sleep_threads)) { + if (list_empty(&sleep_threads) || need_config_reload) { if (ctx->priority) list_add(&ctx->entry2, &ctx_queue); else @@ -343,7 +372,6 @@ void __export triton_context_unregister(struct triton_context_t *ud) } spin_unlock(&ctx_list_lock); - if (terminate) { list_for_each_entry(t, &threads, entry) triton_thread_wakeup(t); @@ -357,9 +385,9 @@ void __export triton_context_set_priority(struct triton_context_t *ud, int prio) ctx->priority = prio > 0; } -void __export triton_context_schedule(struct triton_context_t *ud) +void __export triton_context_schedule() { - struct _triton_context_t *ctx = (struct _triton_context_t *)ud->tpd; + struct _triton_context_t *ctx = (struct _triton_context_t *)this_ctx->tpd; ucontext_t *uctx = &ctx->thread->uctx; spin_lock(&ctx->lock); @@ -380,6 +408,11 @@ void __export triton_context_schedule(struct triton_context_t *ud) log_debug2("ctx %p: exit schedule\n", ctx); } +struct triton_context_t __export *triton_context_self(void) +{ + return this_ctx; +} + void triton_context_print(void) { struct _triton_context_t *ctx; @@ -522,6 +555,18 @@ int __export triton_load_modules(const char *mod_sect) return 0; } +void __export triton_conf_reload(void (*notify)(int)) +{ + spin_lock(&threads_lock); + need_config_reload = 1; + config_reload_notify = notify; + if (triton_stat.thread_active == 0) { + spin_unlock(&threads_lock); + __config_reload(notify); + } else + spin_unlock(&threads_lock); +} + void __export triton_run() { struct _triton_thread_t *t; |