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/*
* This file is part of rt_sigtimedwait strace test.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
* 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_rt_sigtimedwait
# include <assert.h>
# include <errno.h>
# include <signal.h>
# include <stdio.h>
# include <stdint.h>
# include <string.h>
# include <unistd.h>
static long
k_sigtimedwait(const sigset_t *const set, siginfo_t *const info,
const struct timespec *const timeout, const unsigned long size)
{
return syscall(__NR_rt_sigtimedwait, set, info, timeout, size);
}
static void
iterate(const char *const text, const void *set,
const struct timespec *const timeout, unsigned int size)
{
for (;;) {
assert(k_sigtimedwait(set, NULL, timeout, size) == -1);
if (EINTR == errno) {
tprintf("rt_sigtimedwait(%s, NULL"
", {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n", text,
(long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec),
size);
} else {
if (size < sizeof(long))
tprintf("rt_sigtimedwait(%p, NULL"
", {tv_sec=%lld, tv_nsec=%llu}"
", %u) = -1 EINVAL (%m)\n",
set, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec),
size);
else
tprintf("rt_sigtimedwait(%s, NULL"
", {tv_sec=%lld, tv_nsec=%llu}"
", %u) = -1 EINVAL (%m)\n",
text, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec),
size);
}
if (!size)
break;
size >>= 1;
set += size;
}
}
int
main(void)
{
tprintf("%s", "");
TAIL_ALLOC_OBJECT_CONST_PTR(siginfo_t, info);
TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, timeout);
timeout->tv_sec = 0;
timeout->tv_nsec = 42;
const unsigned int big_size = 1024 / 8;
void *k_set = tail_alloc(big_size);
memset(k_set, 0, big_size);
unsigned int set_size = big_size;
for (; set_size; set_size >>= 1, k_set += set_size) {
assert(k_sigtimedwait(k_set, NULL, timeout, set_size) == -1);
if (EAGAIN == errno)
break;
tprintf("rt_sigtimedwait(%p, NULL, {tv_sec=%lld, tv_nsec=%llu}"
", %u) = -1 EINVAL (%m)\n",
k_set, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
}
if (!set_size)
perror_msg_and_fail("rt_sigtimedwait");
tprintf("rt_sigtimedwait([], NULL, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n",
(long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
timeout->tv_sec = 0xdeadbeefU;
timeout->tv_nsec = 0xfacefeedU;
assert(k_sigtimedwait(k_set, NULL, timeout, set_size) == -1);
tprintf("rt_sigtimedwait([], NULL, {tv_sec=%lld, tv_nsec=%llu}"
", %u) = -1 EINVAL (%m)\n",
(long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
timeout->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
timeout->tv_nsec = (long) 0xbadc0dedfacefeedLL;
assert(k_sigtimedwait(k_set, NULL, timeout, set_size) == -1);
tprintf("rt_sigtimedwait([], NULL, {tv_sec=%lld, tv_nsec=%llu}"
", %u) = -1 EINVAL (%m)\n",
(long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
timeout->tv_sec = 0;
timeout->tv_nsec = 42;
TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
sigemptyset(libc_set);
sigaddset(libc_set, SIGHUP);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait([HUP], %p, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n",
info, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
sigaddset(libc_set, SIGINT);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait([HUP INT], %p, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n",
info, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
sigaddset(libc_set, SIGQUIT);
sigaddset(libc_set, SIGALRM);
sigaddset(libc_set, SIGTERM);
memcpy(k_set, libc_set, set_size);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait(%s, %p, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n",
"[HUP INT QUIT ALRM TERM]",
info, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
memset(k_set - set_size, -1, set_size);
assert(k_sigtimedwait(k_set - set_size, info, timeout, set_size) == -1);
assert(EAGAIN == errno);
tprintf("rt_sigtimedwait(~[], %p, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = -1 EAGAIN (%m)\n",
info, (long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec), set_size);
if (sigprocmask(SIG_SETMASK, libc_set, NULL))
perror_msg_and_fail("sigprocmask");
assert(k_sigtimedwait(k_set - set_size, info, NULL, set_size << 1) == -1);
tprintf("rt_sigtimedwait(%p, %p, NULL, %u) = -1 EINVAL (%m)\n",
k_set - set_size, info, set_size << 1);
iterate("~[]", k_set - set_size, timeout, set_size >> 1);
timeout->tv_sec = 1;
raise(SIGALRM);
assert(k_sigtimedwait(k_set, info, timeout, set_size) == SIGALRM);
tprintf("rt_sigtimedwait(%s, {si_signo=%s, si_code=SI_TKILL"
", si_pid=%d, si_uid=%d}, {tv_sec=%lld, tv_nsec=%llu}, %u)"
" = %d (%s)\n",
"[HUP INT QUIT ALRM TERM]", "SIGALRM", getpid(), getuid(),
(long long) timeout->tv_sec,
zero_extend_signed_to_ull(timeout->tv_nsec),
set_size, SIGALRM, "SIGALRM");
raise(SIGALRM);
assert(k_sigtimedwait(k_set, NULL, NULL, set_size) == SIGALRM);
tprintf("rt_sigtimedwait(%s, NULL, NULL, %u) = %d (%s)\n",
"[HUP INT QUIT ALRM TERM]", set_size, SIGALRM, "SIGALRM");
tprintf("+++ exited with 0 +++\n");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_rt_sigtimedwait")
#endif
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