strace/tests/poll.c
Dmitry V. Levin 6a2f43ce64 Use <asm/unistd.h> instead of <sys/syscall.h>
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.
2016-08-09 14:38:29 +00:00

260 lines
7.0 KiB
C

/*
* This file is part of poll strace test.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_poll
# include <assert.h>
# include <errno.h>
# include <poll.h>
# include <stdio.h>
# include <stdlib.h>
# include <unistd.h>
#define PRINT_EVENT(flag, member) \
if (member & flag) { \
if (member != pfd->member) \
tprintf("|"); \
tprintf(#flag); \
member &= ~flag; \
}
static void
print_pollfd_entering(const struct pollfd *const pfd)
{
tprintf("{fd=%d", pfd->fd);
if (pfd->fd >= 0) {
tprintf(", events=");
short events = pfd->events;
if (pfd->events) {
PRINT_EVENT(POLLIN, events)
PRINT_EVENT(POLLPRI, events)
PRINT_EVENT(POLLOUT, events)
#ifdef POLLRDNORM
PRINT_EVENT(POLLRDNORM, events)
#endif
#ifdef POLLWRNORM
PRINT_EVENT(POLLWRNORM, events)
#endif
#ifdef POLLRDBAND
PRINT_EVENT(POLLRDBAND, events)
#endif
#ifdef POLLWRBAND
PRINT_EVENT(POLLWRBAND, events)
#endif
PRINT_EVENT(POLLERR, events)
PRINT_EVENT(POLLHUP, events)
PRINT_EVENT(POLLNVAL, events)
} else
tprintf("0");
}
tprintf("}");
}
static void
print_pollfd_array_entering(const struct pollfd *const pfd,
const unsigned int size,
const unsigned int valid,
const unsigned int abbrev)
{
tprintf("[");
unsigned int i;
for (i = 0; i < size; ++i) {
if (i)
tprintf(", ");
if (i >= valid) {
tprintf("%p", &pfd[i]);
break;
}
if (i >= abbrev) {
tprintf("...");
break;
}
print_pollfd_entering(&pfd[i]);
}
tprintf("]");
}
static void
print_pollfd_exiting(const struct pollfd *const pfd,
unsigned int *const seen,
const unsigned int abbrev)
{
if (!pfd->revents || pfd->fd < 0 || *seen > abbrev)
return;
if (*seen)
tprintf(", ");
++(*seen);
if (*seen > abbrev) {
tprintf("...");
return;
}
tprintf("{fd=%d, revents=", pfd->fd);
short revents = pfd->revents;
PRINT_EVENT(POLLIN, revents)
PRINT_EVENT(POLLPRI, revents)
PRINT_EVENT(POLLOUT, revents)
#ifdef POLLRDNORM
PRINT_EVENT(POLLRDNORM, revents)
#endif
#ifdef POLLWRNORM
PRINT_EVENT(POLLWRNORM, revents)
#endif
#ifdef POLLRDBAND
PRINT_EVENT(POLLRDBAND, revents)
#endif
#ifdef POLLWRBAND
PRINT_EVENT(POLLWRBAND, revents)
#endif
PRINT_EVENT(POLLERR, revents)
PRINT_EVENT(POLLHUP, revents)
PRINT_EVENT(POLLNVAL, revents)
tprintf("}");
}
static void
print_pollfd_array_exiting(const struct pollfd *const pfd,
const unsigned int size,
const unsigned int abbrev)
{
tprintf("[");
unsigned int seen = 0;
unsigned int i;
for (i = 0; i < size; ++i)
print_pollfd_exiting(&pfd[i], &seen, abbrev);
tprintf("]");
}
int
main(int ac, char **av)
{
tprintf("%s", "");
assert(syscall(__NR_poll, NULL, 42, 0) == -1);
if (ENOSYS == errno)
perror_msg_and_skip("poll");
tprintf("poll(NULL, 42, 0) = -1 EFAULT (%m)\n");
int fds[2];
if (pipe(fds) || pipe(fds))
perror_msg_and_fail("pipe");
const unsigned int abbrev = (ac > 1) ? atoi(av[1]) : -1;
const struct pollfd pfds0[] = {
{ .fd = 0, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
{ .fd = 1, .events = POLLOUT | POLLWRNORM | POLLWRBAND },
{ .fd = fds[0], .events = POLLIN | POLLPRI },
{ .fd = fds[1], .events = POLLOUT },
{ .fd = 2, .events = POLLOUT | POLLWRBAND }
};
struct pollfd *const tail_fds0 = tail_memdup(pfds0, sizeof(pfds0));
const int timeout = 42;
int rc = syscall(__NR_poll, tail_fds0, 0, timeout);
assert(rc == 0);
tprintf("poll([], 0, %d) = %d (Timeout)\n", timeout, rc);
rc = syscall(__NR_poll, tail_fds0, ARRAY_SIZE(pfds0), timeout);
assert(rc == 3);
tprintf("poll(");
print_pollfd_array_entering(tail_fds0, ARRAY_SIZE(pfds0),
ARRAY_SIZE(pfds0), abbrev);
tprintf(", %u, %d) = %d (", ARRAY_SIZE(pfds0), timeout, rc);
print_pollfd_array_exiting(tail_fds0, ARRAY_SIZE(pfds0), abbrev);
tprintf(")\n");
tail_fds0[0].fd = -1;
tail_fds0[2].fd = -3;
tail_fds0[4].events = 0;
rc = syscall(__NR_poll, tail_fds0, ARRAY_SIZE(pfds0), timeout);
assert(rc == 2);
tprintf("poll(");
print_pollfd_array_entering(tail_fds0, ARRAY_SIZE(pfds0),
ARRAY_SIZE(pfds0), abbrev);
tprintf(", %u, %d) = %d (", ARRAY_SIZE(pfds0), timeout, rc);
print_pollfd_array_exiting(tail_fds0, ARRAY_SIZE(pfds0), abbrev);
tprintf(")\n");
tail_fds0[1].fd = -2;
tail_fds0[4].fd = -5;
rc = syscall(__NR_poll, tail_fds0, ARRAY_SIZE(pfds0), timeout);
assert(rc == 1);
tprintf("poll(");
print_pollfd_array_entering(tail_fds0, ARRAY_SIZE(pfds0),
ARRAY_SIZE(pfds0), abbrev);
tprintf(", %u, %d) = %d (", ARRAY_SIZE(pfds0), timeout, rc);
print_pollfd_array_exiting(tail_fds0, ARRAY_SIZE(pfds0), abbrev);
tprintf(")\n");
struct pollfd pfds1[] = {
{ .fd = 1, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND },
{ .fd = 0, .events = POLLOUT | POLLWRNORM | POLLWRBAND }
};
struct pollfd *const tail_fds1 = tail_memdup(pfds1, sizeof(pfds1));
rc = syscall(__NR_poll, tail_fds1, ARRAY_SIZE(pfds1), timeout);
assert(rc == 0);
tprintf("poll(");
print_pollfd_array_entering(tail_fds1, ARRAY_SIZE(pfds1),
ARRAY_SIZE(pfds1), abbrev);
tprintf(", %u, %d) = %d (Timeout)\n", ARRAY_SIZE(pfds1), timeout, rc);
const void *const efault = tail_fds0 + ARRAY_SIZE(pfds0);
rc = syscall(__NR_poll, efault, 1, 0);
assert(rc == -1);
tprintf("poll(%p, 1, 0) = -1 EFAULT (%m)\n", efault);
const unsigned int valid = 1;
const void *const epfds = tail_fds0 + ARRAY_SIZE(pfds0) - valid;
rc = syscall(__NR_poll, epfds, valid + 1, 0);
assert(rc == -1);
tprintf("poll(");
print_pollfd_array_entering(epfds, valid + 1, valid, abbrev);
errno = EFAULT;
tprintf(", %u, 0) = -1 EFAULT (%m)\n", valid + 1);
tprintf("+++ exited with 0 +++\n");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_poll")
#endif