/* * Check decoding of swapon and swapoff tests. * * Copyright (c) 2016-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #include #include #include int main(void) { static const char sample[] = "swap.sample"; long rc; rc = syscall(__NR_swapon, sample, 0); printf("swapon(\"%s\", %s) = %ld %s (%m)\n", sample, "0", rc, errno2name()); rc = syscall(__NR_swapon, sample, 42); printf("swapon(\"%s\", %s) = %ld %s (%m)\n", sample, "42", rc, errno2name()); rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER); printf("swapon(\"%s\", %s) = %ld %s (%m)\n", sample, "SWAP_FLAG_PREFER|0", rc, errno2name()); rc = syscall(__NR_swapon, sample, SWAP_FLAG_PREFER | 42); printf("swapon(\"%s\", %s) = %ld %s (%m)\n", sample, "SWAP_FLAG_PREFER|42", rc, errno2name()); rc = syscall(__NR_swapon, sample, -1L); printf("swapon(\"%s\", %s) = %ld %s (%m)\n", sample, "SWAP_FLAG_PREFER|SWAP_FLAG_DISCARD|SWAP_FLAG_DISCARD_ONCE" "|SWAP_FLAG_DISCARD_PAGES|0xfff80000|32767", rc, errno2name()); rc = syscall(__NR_swapoff, sample); printf("swapoff(\"%s\") = %ld %s (%m)\n", sample, rc, errno2name()); puts("+++ exited with 0 +++"); return 0; }