C++ (Cpp) sigset_set_old_mask示例

示例#1

文件： sigblock.c 项目： 16rd/rt-n56u

/* Block signals in MASK, returning the old mask.  */
int sigblock (int mask)
{
  sigset_t set, oset;

  sigset_set_old_mask (&set, mask);
  sigprocmask (SIG_BLOCK, &set, &oset); /* can't fail */
  return sigset_get_old_mask (&oset);
}

示例#2

文件： sigsetmask.c 项目： czankel/xtensa-uclibc

/* Set the mask of blocked signals to MASK, returning the old mask.  */
static int
sigsetmask (int mask)
{
  sigset_t set, oset;

  sigset_set_old_mask (&set, mask);
  sigprocmask (SIG_SETMASK, &set, &oset); /* can't fail */
  return sigset_get_old_mask (&oset);
}

示例#3

文件： sigblock.c 项目： siddhesh/glibc

/* Block signals in MASK, returning the old mask.  */
int
__sigblock (int mask)
{
  sigset_t set, oset;

  if (sigset_set_old_mask (&set, mask) < 0)
    return -1;

  if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0)
    return -1;

  return sigset_get_old_mask (&oset);
}

示例#4

/* libc_hidden_proto(__sigpause) */
int __sigpause (int sig_or_mask, int is_sig)
{
  sigset_t set;

  if (is_sig)
    {
      /* The modern X/Open implementation is requested.  */
      sigprocmask (SIG_BLOCK, NULL, &set);
      /* Bound-check sig_or_mask, remove it from the set.  */
      if (sigdelset (&set, sig_or_mask) < 0)
	return -1;
    }
  else
    sigset_set_old_mask (&set, sig_or_mask);

  return sigsuspend (&set);
}

示例#5

文件： sigpause.c 项目： Dinesh-Ramakrishnan/glibc

/* Set the mask of blocked signals to MASK,
   wait for a signal to arrive, and then restore the mask.  */
static int
do_sigpause (int sig_or_mask, int is_sig)
{
  sigset_t set;

  if (is_sig != 0)
    {
      /* The modern X/Open implementation is requested.  */
      if (__sigprocmask (0, NULL, &set) < 0
	  || sigdelset (&set, sig_or_mask) < 0)
	return -1;
    }
  else if (sigset_set_old_mask (&set, sig_or_mask) < 0)
    return -1;

  /* Note the sigpause() is a cancellation point.  But since we call
     sigsuspend() which itself is a cancellation point we do not have
     to do anything here.  */
  return __sigsuspend (&set);
}

示例#6

文件： sigpause.c 项目： JamesLinus/uClibc-or1k

/* Set the mask of blocked signals to MASK,
   wait for a signal to arrive, and then restore the mask.  */
int __sigpause (int sig_or_mask, int is_sig)
{
    sigset_t set;

    if (is_sig)
    {
        /* The modern X/Open implementation is requested.  */
        sigprocmask (SIG_BLOCK, NULL, &set);
        /* Bound-check sig_or_mask, remove it from the set.  */
        if (sigdelset (&set, sig_or_mask) < 0)
            return -1;
    }
    else
        sigset_set_old_mask (&set, sig_or_mask);

    /* Note the sigpause() is a cancellation point.  But since we call
       sigsuspend() which itself is a cancellation point we do not have
       to do anything here.  */
    return sigsuspend (&set);
}