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* sysdeps/unix/bsd/poll.c (__poll): Add code to extend sets if any
	passed file descriptor exceeds the size determined by
	getdtablesize.

	* sysdeps/unix/sysv/linux/cmsg_nxthdr.c (__cmsg_nxthdr): Update
	from inline version in bits/socket.h.

	* sysdeps/unix/sysv/linux/bits/socket.h: Define __cmsg_nxthdr as
	inline function only is __USE_EXTERN_INLINES is defined.

	* time/strftime.c (my_strftime): Make code a bit clearer.
	Patch by Paul Eggert <eggert@twinsun.com>.

	by removing SIG_IGN handler for SIGCHLD if necessary.
This commit is contained in:
Ulrich Drepper
1998-11-18 14:46:49 +00:00
parent 090ca0002f
commit dfd2464b33
8 changed files with 60 additions and 15 deletions
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26
sysdeps/unix/bsd/poll.c
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@ -62,6 +62,32 @@ __poll (fds, nfds, timeout)
for (f = fds; f < &fds[nfds]; ++f)
if (f->fd >= 0)
{
if (f->fd >= max_fd_size)
{
/* The user provides a file descriptor number which is higher
than the maximum we got from the `getdtablesize' call.
Maybe this is ok so enlarge the arrays. */
fd_set *nrset, *nwset, *nxset;
int nbytes;
max_fd_size = roundup (f->fd, __NFDBITS);
nbytes = howmany (max_fd_size, __NFDBITS);
nrset = alloca (nbytes);
nwset = alloca (nbytes);
nxset = alloca (nbytes);
__bzero ((char *) nrset + bytes, nbytes - bytes);
__bzero ((char *) nwset + bytes, nbytes - bytes);
__bzero ((char *) nxset + bytes, nbytes - bytes);
rset = memcpy (nrset, rset, bytes);
wset = memcpy (nwset, wset, bytes);
xset = memcpy (nxset, xset, bytes);
bytes = nbytes;
}
if (f->events & POLLIN)
FD_SET (f->fd, rset);
if (f->events & POLLOUT)