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glibc  2.9
Defines | Functions
gai_misc.h File Reference
#include <assert.h>
#include <signal.h>

Go to the source code of this file.


#define gai_start_notify_thread   __gai_start_notify_thread
#define gai_create_helper_thread   __gai_create_helper_thread


void __gai_start_notify_thread (void)
int __gai_create_helper_thread (pthread_t *threadp, void *(*tf)(void *), void *arg)

Define Documentation

Definition at line 30 of file gai_misc.h.

Definition at line 29 of file gai_misc.h.

Function Documentation

int __gai_create_helper_thread ( pthread_t threadp,
void *(*)(void *)  tf,
void *  arg 
) [inline]

Definition at line 41 of file gai_misc.h.

  pthread_attr_t attr;

  /* Make sure the thread is created detached.  */
  pthread_attr_init (&attr);
  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);

  /* The helper thread needs only very little resources.  */
  (void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);

  /* Block all signals in the helper thread.  To do this thoroughly we
     temporarily have to block all signals here.  */
  sigset_t ss;
  sigset_t oss;
  sigfillset (&ss);
  sigprocmask (SIG_SETMASK, &ss, &oss);

  int ret = pthread_create (threadp, &attr, tf, arg);

  /* Restore the signal mask.  */
  sigprocmask (SIG_SETMASK, &oss, NULL);

  (void) pthread_attr_destroy (&attr);
  return ret;

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void __gai_start_notify_thread ( void  ) [inline]

Definition at line 33 of file gai_misc.h.

  sigset_t ss;
  sigemptyset (&ss);
  sigprocmask (SIG_SETMASK, &ss, NULL);

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