diff options
Diffstat (limited to 'src/thread.c')
| -rw-r--r-- | src/thread.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/src/thread.c b/src/thread.c index bfcac91982d..c6742341fb8 100644 --- a/src/thread.c +++ b/src/thread.c @@ -83,6 +83,22 @@ release_global_lock (void) sys_mutex_unlock (&global_lock); } +static void +rebind_for_thread_switch (void) +{ + ptrdiff_t distance + = current_thread->m_specpdl_ptr - current_thread->m_specpdl; + specpdl_unrewind (specpdl_ptr, -distance, true); +} + +static void +unbind_for_thread_switch (struct thread_state *thr) +{ + ptrdiff_t distance = thr->m_specpdl_ptr - thr->m_specpdl; + specpdl_unrewind (thr->m_specpdl_ptr, distance, true); +} + + /* You must call this after acquiring the global lock. acquire_global_lock does it for you. */ static void @@ -329,7 +345,7 @@ Note that calls to `mutex-lock' and `mutex-unlock' must be paired. */) (Lisp_Object mutex) { struct Lisp_Mutex *lmutex; - ptrdiff_t count = SPECPDL_INDEX (); + specpdl_ref count = SPECPDL_INDEX (); CHECK_MUTEX (mutex); lmutex = XMUTEX (mutex); @@ -655,6 +671,8 @@ mark_one_thread (struct thread_state *thread) mark_object (tem); } + mark_bytecode (&thread->bc); + /* No need to mark Lisp_Object members like m_last_thing_searched, as mark_threads_callback does that by calling mark_object. */ } @@ -709,7 +727,7 @@ DEFUN ("thread-yield", Fthread_yield, Sthread_yield, 0, 0, 0, static Lisp_Object invoke_thread_function (void) { - ptrdiff_t count = SPECPDL_INDEX (); + specpdl_ref count = SPECPDL_INDEX (); current_thread->result = Ffuncall (1, ¤t_thread->function); return unbind_to (count, Qnil); @@ -774,7 +792,7 @@ run_thread (void *state) xfree (self->m_specpdl - 1); self->m_specpdl = NULL; self->m_specpdl_ptr = NULL; - self->m_specpdl_size = 0; + self->m_specpdl_end = NULL; { struct handler *c, *c_next; @@ -823,6 +841,7 @@ finalize_one_thread (struct thread_state *state) free_search_regs (&state->m_search_regs); free_search_regs (&state->m_saved_search_regs); sys_cond_destroy (&state->thread_condvar); + free_bc_thread (&state->bc); } DEFUN ("make-thread", Fmake_thread, Smake_thread, 1, 2, 0, @@ -846,13 +865,14 @@ If NAME is given, it must be a string; it names the new thread. */) /* Perhaps copy m_last_thing_searched from parent? */ new_thread->m_current_buffer = current_thread->m_current_buffer; - new_thread->m_specpdl_size = 50; - new_thread->m_specpdl = xmalloc ((1 + new_thread->m_specpdl_size) - * sizeof (union specbinding)); - /* Skip the dummy entry. */ - ++new_thread->m_specpdl; + ptrdiff_t size = 50; + union specbinding *pdlvec = xmalloc ((1 + size) * sizeof (union specbinding)); + new_thread->m_specpdl = pdlvec + 1; /* Skip the dummy entry. */ + new_thread->m_specpdl_end = new_thread->m_specpdl + size; new_thread->m_specpdl_ptr = new_thread->m_specpdl; + init_bc_thread (&new_thread->bc); + sys_cond_init (&new_thread->thread_condvar); /* We'll need locking here eventually. */ @@ -1112,6 +1132,7 @@ init_threads (void) sys_mutex_lock (&global_lock); current_thread = &main_thread.s; main_thread.s.thread_id = sys_thread_self (); + init_bc_thread (&main_thread.s.bc); } void |