/* * Check decoding of mlock and munlock syscalls. * * Copyright (c) 2016-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #ifdef __NR_mlock # include # include int main(void) { const int size = 1024; const char *addr = tail_alloc(size); long rc = syscall(__NR_mlock, addr, size); printf("mlock(%p, %d) = %s\n", addr, size, sprintrc(rc)); rc = syscall(__NR_munlock, addr, size); printf("munlock(%p, %d) = %s\n", addr, size, sprintrc(rc)); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_mlock") #endif