pike.git/ src/ threads.c

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1997-09-03

1997-09-03 04:58:17 by Per Hedbor <ph@opera.com>

Added thread->backtrace()

Rev: src/threads.c:1.30
Rev: src/threads.h:1.15

1:   #include "global.h" - RCSID("$Id: threads.c,v 1.29 1997/09/03 03:39:58 per Exp $"); + RCSID("$Id: threads.c,v 1.30 1997/09/03 04:58:17 per Exp $");      int num_threads = 1;   int threads_disabled = 0;
18:   struct object *thread_id;   static struct callback *threads_evaluator_callback=0;    - MUTEX_T interpreter_lock = PTHREAD_MUTEX_INITIALIZER; + MUTEX_T interpreter_lock /*= PTHREAD_MUTEX_INITIALIZER*/;   struct program *mutex_key = 0;   struct program *thread_id_prog = 0;   #ifdef POSIX_THREADS
50:    fatal("Failed to lock interpreter, errno %d\n",tmp);    THREADS_FPRINTF((stderr,"THREADS_DISALLOW() Thread created...\n"));    init_interpreter(); -  +     thread_id=arg.id; -  +  SWAP_OUT_THREAD((struct thread_state *)thread_id->storage); /* Init struct */ +  ((struct thread_state *)thread_id->storage)->swapped=0;       if(SETJMP(back))    {
168:    int initialized;   };    - static MUTEX_T mutex_kluge = PTHREAD_MUTEX_INITIALIZER; + static MUTEX_T mutex_kluge/* = PTHREAD_MUTEX_INITIALIZER*/;      #define OB2KEY(X) ((struct key_storage *)((X)->storage))   
361:   void init_cond_obj(struct object *o) { co_init(THIS_COND); }   void exit_cond_obj(struct object *o) { co_destroy(THIS_COND); }    + void f_thread_backtrace(INT32 args) + { +  struct thread_state *foo = (struct thread_state *)fp->current_object->storage; +  struct thread_state *bar = (struct thread_state *)thread_id->storage; +  struct svalue *osp = sp; +  pop_n_elems(args); +  if(foo->sp) +  { +  SWAP_OUT_THREAD(bar); +  SWAP_IN_THREAD(foo); +  sp=osp; +  f_backtrace(0); +  osp=sp; +  sp=foo->sp; +  SWAP_OUT_THREAD(foo); +  SWAP_IN_THREAD(bar); +  sp=osp; +  } else { +  push_int(0); +  f_allocate(1); +  } + } +  + void init_thread_obj(struct object *o) + { +  MEMSET(o->storage, 0, sizeof(struct thread_state)); + } +    void th_init(void)   {    struct program *tmp;
420:    end_class("condition", 0);       start_new_program(); +  add_storage(sizeof(struct thread_state)); +  add_function("backtrace",f_thread_backtrace,"function(:array)",0); +  set_init_callback(init_thread_obj);    thread_id_prog=end_program();    if(!mutex_key)    fatal("Failed to initialize thread program!\n");