Dmitry V. Levin
6a2f43ce64
There are no users of SYS_* macros provided by <sys/syscall.h>, and definitions of __NR_* macros could be obtained directly from <asm/unistd.h>. * defs.h: Include <asm/unistd.h> instead of <sys/syscall.h>. * test/seccomp.c: Likewise. * test/threaded_execve.c: Likewise. * test/x32_lseek.c: Likewise. * test/x32_mmap.c: Likewise. * tests/_newselect.c: Likewise. * tests/access.c: Likewise. * tests/acct.c: Likewise. * tests/aio.c: Likewise. * tests/alarm.c: Likewise. * tests/attach-f-p.c: Likewise. * tests/bpf.c: Likewise. * tests/brk.c: Likewise. * tests/chmod.c: Likewise. * tests/chown.c: Likewise. * tests/chown32.c: Likewise. * tests/chroot.c: Likewise. * tests/clock_adjtime.c: Likewise. * tests/clock_nanosleep.c: Likewise. * tests/clock_xettime.c: Likewise. * tests/copy_file_range.c: Likewise. * tests/creat.c: Likewise. * tests/dup2.c: Likewise. * tests/dup3.c: Likewise. * tests/epoll_create.c: Likewise. * tests/epoll_create1.c: Likewise. * tests/epoll_ctl.c: Likewise. * tests/epoll_pwait.c: Likewise. * tests/epoll_wait.c: Likewise. * tests/eventfd.c: Likewise. * tests/execveat.c: Likewise. * tests/faccessat.c: Likewise. * tests/fchdir.c: Likewise. * tests/fchmod.c: Likewise. * tests/fchmodat.c: Likewise. * tests/fchown.c: Likewise. * tests/fchown32.c: Likewise. * tests/fchownat.c: Likewise. * tests/fcntl.c: Likewise. * tests/fcntl64.c: Likewise. * tests/fdatasync.c: Likewise. * tests/flock.c: Likewise. * tests/fstat.c: Likewise. * tests/fstat64.c: Likewise. * tests/fstatat64.c: Likewise. * tests/fstatfs.c: Likewise. * tests/fstatfs64.c: Likewise. * tests/fsync.c: Likewise. * tests/ftruncate.c: Likewise. * tests/ftruncate64.c: Likewise. * tests/futimesat.c: Likewise. * tests/get_mempolicy.c: Likewise. * tests/getcwd.c: Likewise. * tests/getdents.c: Likewise. * tests/getdents64.c: Likewise. * tests/getegid.c: Likewise. * tests/getegid32.c: Likewise. * tests/geteuid.c: Likewise. * tests/geteuid32.c: Likewise. * tests/getgid.c: Likewise. * tests/getgid32.c: Likewise. * tests/getgroups.c: Likewise. * tests/getgroups32.c: Likewise. * tests/getpgrp.c: Likewise. * tests/getrandom.c: Likewise. * tests/getresgid.c: Likewise. * tests/getresgid32.c: Likewise. * tests/getresuid.c: Likewise. * tests/getresuid32.c: Likewise. * tests/getrlimit.c: Likewise. * tests/getrusage.c: Likewise. * tests/getuid.c: Likewise. * tests/getuid32.c: Likewise. * tests/getxxid.c: Likewise. * tests/ioctl_uffdio.c: Likewise. * tests/ioperm.c: Likewise. * tests/iopl.c: Likewise. * tests/ipc.c: Likewise. * tests/kill.c: Likewise. * tests/lchown.c: Likewise. * tests/lchown32.c: Likewise. * tests/libmmsg.c: Likewise. * tests/libsocketcall.c: Likewise. * tests/link.c: Likewise. * tests/linkat.c: Likewise. * tests/llseek.c: Likewise. * tests/lseek.c: Likewise. * tests/lstat.c: Likewise. * tests/lstat64.c: Likewise. * tests/mbind.c: Likewise. * tests/membarrier.c: Likewise. * tests/memfd_create.c: Likewise. * tests/migrate_pages.c: Likewise. * tests/mkdir.c: Likewise. * tests/mkdirat.c: Likewise. * tests/mknod.c: Likewise. * tests/mknodat.c: Likewise. * tests/mlock.c: Likewise. * tests/mlock2.c: Likewise. * tests/move_pages.c: Likewise. * tests/newfstatat.c: Likewise. * tests/nsyscalls.c: Likewise. * tests/old_mmap.c: Likewise. * tests/oldselect.c: Likewise. * tests/open.c: Likewise. * tests/openat.c: Likewise. * tests/pause.c: Likewise. * tests/poll.c: Likewise. * tests/prctl-seccomp-filter-v.c: Likewise. * tests/prctl-seccomp-strict.c: Likewise. * tests/preadv2-pwritev2.c: Likewise. * tests/prlimit64.c: Likewise. * tests/pselect6.c: Likewise. * tests/ptrace.c: Likewise. * tests/readdir.c: Likewise. * tests/readlink.c: Likewise. * tests/readlinkat.c: Likewise. * tests/reboot.c: Likewise. * tests/remap_file_pages.c: Likewise. * tests/rename.c: Likewise. * tests/renameat.c: Likewise. * tests/renameat2.c: Likewise. * tests/rmdir.c: Likewise. * tests/rt_sigpending.c: Likewise. * tests/rt_sigprocmask.c: Likewise. * tests/rt_sigsuspend.c: Likewise. * tests/rt_sigtimedwait.c: Likewise. * tests/rt_tgsigqueueinfo.c: Likewise. * tests/sched_get_priority_mxx.c: Likewise. * tests/sched_rr_get_interval.c: Likewise. * tests/sched_xetaffinity.c: Likewise. * tests/sched_xetattr.c: Likewise. * tests/sched_xetparam.c: Likewise. * tests/sched_xetscheduler.c: Likewise. * tests/sched_yield.c: Likewise. * tests/seccomp-filter-v.c: Likewise. * tests/seccomp-filter.c: Likewise. * tests/seccomp-strict.c: Likewise. * tests/select.c: Likewise. * tests/sendfile.c: Likewise. * tests/sendfile64.c: Likewise. * tests/set_mempolicy.c: Likewise. * tests/setdomainname.c: Likewise. * tests/setfsgid.c: Likewise. * tests/setfsgid32.c: Likewise. * tests/setfsuid.c: Likewise. * tests/setfsuid32.c: Likewise. * tests/setgid.c: Likewise. * tests/setgid32.c: Likewise. * tests/setgroups.c: Likewise. * tests/setgroups32.c: Likewise. * tests/sethostname.c: Likewise. * tests/setregid.c: Likewise. * tests/setregid32.c: Likewise. * tests/setresgid.c: Likewise. * tests/setresgid32.c: Likewise. * tests/setresuid.c: Likewise. * tests/setresuid32.c: Likewise. * tests/setreuid.c: Likewise. * tests/setreuid32.c: Likewise. * tests/setrlimit.c: Likewise. * tests/setuid.c: Likewise. * tests/setuid32.c: Likewise. * tests/signalfd4.c: Likewise. * tests/socketcall.c: Likewise. * tests/splice.c: Likewise. * tests/stat.c: Likewise. * tests/stat64.c: Likewise. * tests/statfs.c: Likewise. * tests/statfs64.c: Likewise. * tests/swap.c: Likewise. * tests/symlink.c: Likewise. * tests/symlinkat.c: Likewise. * tests/sync.c: Likewise. * tests/sync_file_range.c: Likewise. * tests/sync_file_range2.c: Likewise. * tests/syslog.c: Likewise. * tests/tee.c: Likewise. * tests/time.c: Likewise. * tests/timer_create.c: Likewise. * tests/timer_xettime.c: Likewise. * tests/timerfd_xettime.c: Likewise. * tests/times-fail.c: Likewise. * tests/times.c: Likewise. * tests/truncate.c: Likewise. * tests/truncate64.c: Likewise. * tests/ugetrlimit.c: Likewise. * tests/umount.c: Likewise. * tests/umount2.c: Likewise. * tests/uname.c: Likewise. * tests/unix-pair-send-recv.c: Likewise. * tests/unlink.c: Likewise. * tests/unlinkat.c: Likewise. * tests/userfaultfd.c: Likewise. * tests/utimes.c: Likewise. * tests/vhangup.c: Likewise. * tests/vmsplice.c: Likewise. * tests/waitid.c: Likewise. * tests/waitpid.c: Likewise. * tests/xet_robust_list.c: Likewise. * tests/xetpgid.c: Likewise. * tests/xetpriority.c: Likewise. * tests/xettimeofday.c: Likewise.
166 lines
4.8 KiB
C
166 lines
4.8 KiB
C
/*
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* This file is part of rt_sigsuspend strace test.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_rt_sigsuspend
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# include <assert.h>
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# include <errno.h>
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# include <signal.h>
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# include <stdio.h>
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# include <stdint.h>
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# include <string.h>
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# include <unistd.h>
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static long
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k_sigsuspend(const sigset_t *const set, const unsigned long size)
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{
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return syscall(__NR_rt_sigsuspend, set, size);
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}
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static void
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iterate(const char *const text, const int sig,
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const void *const set, unsigned int size)
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{
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const void *mask;
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for (mask = set;; size >>= 1, mask += size) {
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raise(sig);
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assert(k_sigsuspend(mask, size) == -1);
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if (EINTR == errno) {
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tprintf("rt_sigsuspend(%s, %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n",
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text, size);
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} else {
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if (size < sizeof(long))
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tprintf("rt_sigsuspend(%p, %u)"
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" = -1 EINVAL (%m)\n",
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mask, size);
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else
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tprintf("rt_sigsuspend(%s, %u)"
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" = -1 EINVAL (%m)\n",
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set == mask ? text : "~[]", size);
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}
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if (!size)
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break;
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}
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}
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static void
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handler(int signo)
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{
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}
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int
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main(void)
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{
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tprintf("%s", "");
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const unsigned int big_size = 1024 / 8;
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void *k_set = tail_alloc(big_size);
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memset(k_set, 0, big_size);
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sigset_t *const libc_set = tail_alloc(sizeof(sigset_t));
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sigemptyset(libc_set);
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sigaddset(libc_set, SIGUSR1);
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if (sigprocmask(SIG_SETMASK, libc_set, NULL))
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perror_msg_and_fail("sigprocmask");
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const struct sigaction sa = {
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.sa_handler = handler
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};
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if (sigaction(SIGUSR1, &sa, NULL))
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perror_msg_and_fail("sigaction");
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raise(SIGUSR1);
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unsigned int set_size = big_size;
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for (; set_size; set_size >>= 1, k_set += set_size) {
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assert(k_sigsuspend(k_set, set_size) == -1);
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if (EINTR == errno)
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break;
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tprintf("rt_sigsuspend(%p, %u) = -1 EINVAL (%m)\n",
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k_set, set_size);
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}
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if (!set_size)
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perror_msg_and_fail("rt_sigsuspend");
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tprintf("rt_sigsuspend([], %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n", set_size);
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sigemptyset(libc_set);
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sigaddset(libc_set, SIGUSR2);
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memcpy(k_set, libc_set, set_size);
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raise(SIGUSR1);
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assert(k_sigsuspend(k_set, set_size) == -1);
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assert(EINTR == errno);
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tprintf("rt_sigsuspend([USR2], %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n", set_size);
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sigaddset(libc_set, SIGHUP);
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memcpy(k_set, libc_set, set_size);
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raise(SIGUSR1);
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assert(k_sigsuspend(k_set, set_size) == -1);
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assert(EINTR == errno);
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tprintf("rt_sigsuspend([HUP USR2], %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n", set_size);
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sigaddset(libc_set, SIGINT);
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memcpy(k_set, libc_set, set_size);
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raise(SIGUSR1);
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assert(k_sigsuspend(k_set, set_size) == -1);
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assert(EINTR == errno);
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tprintf("rt_sigsuspend([HUP INT USR2], %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n", set_size);
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memset(libc_set, -1, sizeof(*libc_set));
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sigdelset(libc_set, SIGUSR1);
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memcpy(k_set, libc_set, set_size);
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raise(SIGUSR1);
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assert(k_sigsuspend(k_set, set_size) == -1);
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assert(EINTR == errno);
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tprintf("rt_sigsuspend(~[USR1], %u) = ? ERESTARTNOHAND"
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" (To be restarted if no handler)\n", set_size);
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assert(k_sigsuspend(k_set - set_size, set_size << 1) == -1);
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tprintf("rt_sigsuspend(%p, %u) = -1 EINVAL (%m)\n",
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k_set - set_size, set_size << 1);
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iterate("~[USR1]", SIGUSR1, k_set, set_size >> 1);
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tprintf("+++ exited with 0 +++\n");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_rt_sigsuspend")
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#endif
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