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tests/k_sockopt.c
61 строка
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Dmitry V. Levin
Update copyright headers
22 янв 2025, 11:00
22 янв 2025, 11:00
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/* * [gs]etsockopt() wrappers that avoid glibc and perform syscalls directly. * * Copyright (c) 2019 Dmitry V. Levin <ldv@strace.io> * Copyright (c) 2019-2025 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #include <unistd.h> #include <sys/socket.h> #include "k_sockopt.h" static const kernel_ulong_t fill = (kernel_ulong_t) 0xdefaced00000000ULL; #if defined __NR_getsockopt || defined __NR_setsockopt static const kernel_ulong_t bad = (kernel_ulong_t) 0xbadc0dedbadc0dedULL; #endif #define SC_getsockopt 15 long k_getsockopt(const unsigned int fd, const unsigned int level, const unsigned int optname, const void *const optval, const unsigned int *len) { return syscall( #ifdef __NR_getsockopt __NR_getsockopt, #else /* socketcall */ __NR_socketcall, SC_getsockopt, #endif fill | fd , fill | level, fill | optname, optval, len #ifdef __NR_getsockopt , bad #endif ); } #define SC_setsockopt 14 long k_setsockopt(const unsigned int fd, const unsigned int level, const unsigned int optname, const void *const optval, const unsigned int len) { return syscall( #ifdef __NR_setsockopt __NR_setsockopt, #else /* socketcall */ __NR_socketcall, SC_setsockopt, #endif fill | fd , fill | level, fill | optname, optval, fill | len #ifdef __NR_setsockopt , bad #endif ); }