diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/poll.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/poll.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/poll.c b/REORG.TODO/sysdeps/unix/sysv/linux/poll.c new file mode 100644 index 0000000000..5a781ddf48 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/poll.c @@ -0,0 +1,46 @@ +/* Linux poll implementation. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <sys/poll.h> + +#include <sysdep-cancel.h> +#include <sys/syscall.h> + +int +__poll (struct pollfd *fds, nfds_t nfds, int timeout) +{ +#ifdef __NR_poll + return SYSCALL_CANCEL (poll, fds, nfds, timeout); +#else + struct timespec timeout_ts; + struct timespec *timeout_ts_p = NULL; + + if (timeout >= 0) + { + timeout_ts.tv_sec = timeout / 1000; + timeout_ts.tv_nsec = (timeout % 1000) * 1000000; + timeout_ts_p = &timeout_ts; + } + + return SYSCALL_CANCEL (ppoll, fds, nfds, timeout_ts_p, NULL, 0); +#endif +} +libc_hidden_def (__poll) +weak_alias (__poll, poll) +strong_alias (__poll, __libc_poll) |