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1f421ddf49
The UAPI headers already provide definitions for these symbols. Using them makes the code shorter, more robust and compatible with applications using linux/poll.h directly. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20250430-poll-v1-2-44b5ceabdeee@linutronix.de Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
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/*
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* poll definitions for NOLIBC
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* Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
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*/
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/* make sure to include all global symbols */
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#include "nolibc.h"
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#ifndef _NOLIBC_POLL_H
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#define _NOLIBC_POLL_H
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#include "arch.h"
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#include "sys.h"
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#include <linux/poll.h>
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#include <linux/time.h>
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/*
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* int poll(struct pollfd *fds, int nfds, int timeout);
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*/
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static __attribute__((unused))
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int sys_poll(struct pollfd *fds, int nfds, int timeout)
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{
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#if defined(__NR_ppoll)
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struct timespec t;
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if (timeout >= 0) {
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t.tv_sec = timeout / 1000;
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t.tv_nsec = (timeout % 1000) * 1000000;
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}
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return my_syscall5(__NR_ppoll, fds, nfds, (timeout >= 0) ? &t : NULL, NULL, 0);
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#elif defined(__NR_ppoll_time64)
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struct __kernel_timespec t;
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if (timeout >= 0) {
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t.tv_sec = timeout / 1000;
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t.tv_nsec = (timeout % 1000) * 1000000;
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}
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return my_syscall5(__NR_ppoll_time64, fds, nfds, (timeout >= 0) ? &t : NULL, NULL, 0);
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#elif defined(__NR_poll)
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return my_syscall3(__NR_poll, fds, nfds, timeout);
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#else
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return __nolibc_enosys(__func__, fds, nfds, timeout);
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#endif
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}
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static __attribute__((unused))
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int poll(struct pollfd *fds, int nfds, int timeout)
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{
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return __sysret(sys_poll(fds, nfds, timeout));
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}
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#endif /* _NOLIBC_POLL_H */
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