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Make sure to always use the 64-bit safe system calls in preparation for 64-bit time_t on 32-bit architectures. Also prevent issues on kernels which disable CONFIG_COMPAT_32BIT_TIME and therefore don't provide the 32-bit system calls anymore. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://patch.msgid.link/20251220-nolibc-uapi-types-v3-5-c662992f75d7@weissschuh.net
51 lines
1.1 KiB
C
51 lines
1.1 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_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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#else
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struct __kernel_old_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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#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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