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Optimized the way resetting buffer states occurs and fixed thread::kill so

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threads actually die as they are supposed to.
This commit is contained in:
Brian Koropoff 2003-04-11 05:58:58 +00:00
parent 8012a408b8
commit f287e78030
4 changed files with 17 additions and 9 deletions
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1
include/QF/gib_thread.h
View file

@ -47,6 +47,7 @@ typedef struct gib_event_s {
void GIB_Thread_Add (gib_thread_t *thread);
void GIB_Thread_Remove (gib_thread_t *thread);
void GIB_Thread_Delete (gib_thread_t *thread);
gib_thread_t *GIB_Thread_Find (unsigned long int id);
gib_thread_t *GIB_Thread_New (void);
void GIB_Thread_Execute (void);

16
libs/gib/gib_builtin.c
View file

@ -618,12 +618,16 @@ GIB_Thread_Kill_f (void)
id);
return;
}
// Set error condition on the top of the stack so the thread will exit
// We can't simply nuke the thread, as it would cause the stack walker
// to segfault if a thread kills itself.
for (cur = thread->cbuf;
cur->down && cur->down->state != CBUF_STATE_JUNK; cur = cur->down);
cur->state = CBUF_STATE_ERROR;
// If we are currently running this thread, set an error state so we exit it cleanly
// if it were simply nuked, a crash would result
for (cur = thread->cbuf; cur->down && cur->down->state != CBUF_STATE_JUNK; cur = cur->down)
if (cur == cbuf_active) {
cur->state = CBUF_STATE_ERROR;
return;
}
GIB_Thread_Remove (thread);
GIB_Thread_Delete (thread);
}
}

2
libs/gib/gib_thread.c
View file

@ -100,7 +100,7 @@ GIB_Thread_New (void)
return new;
}
static void
void
GIB_Thread_Delete (gib_thread_t * thread)
{
Cbuf_DeleteStack (thread->cbuf);

7
libs/util/cbuf.c
View file

@ -132,6 +132,7 @@ Cbuf_Reset (cbuf_t *cbuf)
{
cbuf->resumetime = 0.0;
cbuf->args->argc = 0;
cbuf->state = CBUF_STATE_NORMAL;
if (cbuf->interpreter->reset)
cbuf->interpreter->reset (cbuf);
}
@ -168,7 +169,6 @@ void
Cbuf_Execute (cbuf_t *cbuf)
{
cbuf_active = cbuf;
cbuf->state = CBUF_STATE_NORMAL;
cbuf->interpreter->execute (cbuf);
}
@ -188,12 +188,15 @@ Cbuf_Execute_Stack (cbuf_t *cbuf)
Cbuf_Execute (sp);
if (sp->state) {
if (sp->state == CBUF_STATE_STACK) {
sp->state = CBUF_STATE_NORMAL;
sp = sp->down;
continue;
} else if (sp->state == CBUF_STATE_ERROR)
break;
else
else {
sp->state = CBUF_STATE_NORMAL;
return;
}
}
sp->state = CBUF_STATE_JUNK;
sp = sp->up;