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dhcpcd: Honour file descriptor maximum

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This commit is contained in:
Sebastian Huber 2017-10-20 14:50:14 +02:00
parent 9a583a94d3
commit 7ec4d8760d
1 changed files with 14 additions and 0 deletions
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14
dhcpcd/compat/pselect.c
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@ -35,18 +35,32 @@
#include <unistd.h>
#include "pollts.h"
#ifdef __rtems__
#include <string.h>
#include <rtems/libio_.h>
#endif /* __rtems__ */
int
pollts(struct pollfd *restrict fds, nfds_t nfds,
const struct timespec *restrict ts, const sigset_t *restrict sigmask)
{
#ifndef __rtems__
fd_set read_fds;
#else /* __rtems__ */
fd_set big_enough_read_fs[howmany(rtems_libio_number_iops,
sizeof(fd_set) * 8)];
#define read_fds (*(fd_set *)(&big_enough_read_fs[0]))
#endif /* __rtems__ */
nfds_t n;
int maxfd, r;
struct timeval tv;
struct timeval *tvp;
#ifndef __rtems__
FD_ZERO(&read_fds);
#else /* __rtems__ */
memset(big_enough_read_fs, 0, sizeof(big_enough_read_fs));
#endif /* __rtems__ */
maxfd = 0;
for (n = 0; n < nfds; n++) {
if (fds[n].events & POLLIN) {