diff options
Diffstat (limited to 'thread.c')
-rw-r--r-- | thread.c | 24 |
1 files changed, 17 insertions, 7 deletions
@@ -101,6 +101,12 @@ static int rb_threadptr_pending_interrupt_empty_p(rb_thread_t *th); #define eTerminateSignal INT2FIX(1) static volatile int system_working = 1; +struct waiting_fd { + struct list_node wfd_node; /* <=> vm.waiting_fds */ + rb_thread_t *th; + int fd; +}; + inline static void st_delete_wrap(st_table *table, st_data_t key) { @@ -1316,7 +1322,6 @@ call_without_gvl(void *(*func)(void *), void *data1, rb_thread_t *th = GET_THREAD(); int saved_errno = 0; - th->waiting_fd = -1; if (ubf == RUBY_UBF_IO || ubf == RUBY_UBF_PROCESS) { ubf = ubf_select; data2 = th; @@ -1439,11 +1444,15 @@ VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd) { volatile VALUE val = Qundef; /* shouldn't be used */ + rb_vm_t *vm = GET_VM(); rb_thread_t *th = GET_THREAD(); volatile int saved_errno = 0; int state; + struct waiting_fd wfd; - th->waiting_fd = fd; + wfd.fd = fd; + wfd.th = th; + list_add(&vm->waiting_fds, &wfd.wfd_node); TH_PUSH_TAG(th); if ((state = EXEC_TAG()) == 0) { @@ -1454,8 +1463,8 @@ rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd) } TH_POP_TAG(); - /* clear waiting_fd anytime */ - th->waiting_fd = -1; + /* must be deleted before jump */ + list_del(&wfd.wfd_node); if (state) { TH_JUMP_TAG(th, state); @@ -2196,12 +2205,13 @@ int rb_notify_fd_close(int fd) { rb_vm_t *vm = GET_THREAD()->vm; - rb_thread_t *th = 0; + struct waiting_fd *wfd = 0; int busy; busy = 0; - list_for_each(&vm->living_threads, th, vmlt_node) { - if (th->waiting_fd == fd) { + list_for_each(&vm->waiting_fds, wfd, wfd_node) { + if (wfd->fd == fd) { + rb_thread_t *th = wfd->th; VALUE err = th->vm->special_exceptions[ruby_error_stream_closed]; rb_threadptr_pending_interrupt_enque(th, err); rb_threadptr_interrupt(th); |