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glibc  2.9
Functions
td_thr_clear_event.c File Reference
#include <stddef.h>
#include "thread_dbP.h"

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Functions

td_err_e td_thr_clear_event (td_thrhandle_t *th, td_thr_events_t *event) const

Function Documentation

Definition at line 27 of file td_thr_clear_event.c.

{
  td_thr_events_t old_event;
  int i;

  LOG ("td_thr_clear_event");

  /* If the thread descriptor has not yet been constructed do not do
     anything.  */
  if (th->th_unique == NULL)
    return TD_OK;

  /* Write the new value into the thread data structure.  */
  if (ps_pdread (th->th_ta_p->ph,
               ((char *) th->th_unique
                + offsetof (struct _pthread_descr_struct,
                           p_eventbuf.eventmask)),
               &old_event, sizeof (td_thr_events_t)) != PS_OK)
    return TD_ERR;   /* XXX Other error value?  */

  /* Remove the set bits in.  */
  for (i = 0; i < TD_EVENTSIZE; ++i)
    old_event.event_bits[i] &= ~event->event_bits[i];

  /* Write the new value into the thread data structure.  */
  if (ps_pdwrite (th->th_ta_p->ph,
                ((char *) th->th_unique
                 + offsetof (struct _pthread_descr_struct,
                            p_eventbuf.eventmask)),
                &old_event, sizeof (td_thr_events_t)) != PS_OK)
    return TD_ERR;   /* XXX Other error value?  */

  return TD_OK;
}

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