From f09b7c49849c027d4bf10bfce356c18a075dd9e4 Mon Sep 17 00:00:00 2001 From: "Dmitry V. Levin" Date: Thu, 18 Feb 2016 03:21:30 +0000 Subject: [PATCH] tests: add rt_sigprocmask.test * tests/rt_sigprocmask.c: New file. * tests/rt_sigprocmask.test: New test. * tests/.gitignore: Add rt_sigprocmask. * tests/Makefile.am (check_PROGRAMS): Likewise. (TESTS): Add rt_sigprocmask.test. --- tests/.gitignore | 1 + tests/Makefile.am | 2 + tests/rt_sigprocmask.c | 174 ++++++++++++++++++++++++++++++++++++++ tests/rt_sigprocmask.test | 11 +++ 4 files changed, 188 insertions(+) create mode 100644 tests/rt_sigprocmask.c create mode 100755 tests/rt_sigprocmask.test diff --git a/tests/.gitignore b/tests/.gitignore index dc8b1330..c701874d 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -82,6 +82,7 @@ readv recvmsg restart_syscall rt_sigpending +rt_sigprocmask rt_sigqueueinfo sched_xetaffinity sched_xetattr diff --git a/tests/Makefile.am b/tests/Makefile.am index db23808d..7030a29d 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -130,6 +130,7 @@ check_PROGRAMS = \ recvmsg \ restart_syscall \ rt_sigpending \ + rt_sigprocmask \ rt_sigqueueinfo \ sched_xetaffinity \ sched_xetattr \ @@ -281,6 +282,7 @@ TESTS = \ readv.test \ recvmsg.test \ rt_sigpending.test \ + rt_sigprocmask.test \ rt_sigqueueinfo.test \ sched_xetaffinity.test \ sched_xetattr.test \ diff --git a/tests/rt_sigprocmask.c b/tests/rt_sigprocmask.c new file mode 100644 index 00000000..ab92cde3 --- /dev/null +++ b/tests/rt_sigprocmask.c @@ -0,0 +1,174 @@ +/* + * This file is part of rt_sigprocmask strace test. + * + * Copyright (c) 2016 Dmitry V. Levin + * 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 + +#ifdef __NR_rt_sigprocmask + +# include +# include +# include +# include +# include + +static long +k_sigprocmask(const unsigned long how, void *const new_set, + void *const old_set, const unsigned long size) +{ + return syscall(__NR_rt_sigprocmask, how, new_set, old_set, size); +} + +static void +iterate(const char *const text, void *set, void *old, unsigned int size) +{ + for (;;) { + if (k_sigprocmask(SIG_UNBLOCK, set, old, size)) { + if (size < sizeof(long)) + tprintf("rt_sigprocmask(SIG_UNBLOCK" + ", %p, %p, %u) = -1 EINVAL (%m)\n", + set, old, size); + else + tprintf("rt_sigprocmask(SIG_UNBLOCK" + ", %s, %p, %u) = -1 EINVAL (%m)\n", + text, old, size); + } else { + tprintf("rt_sigprocmask(SIG_UNBLOCK, %s, [], %u)" + " = 0\n", text, size); + } + if (!size) + break; + size >>= 1; + set += size; + old += size; + } +} + +int +main(void) +{ + tprintf("%s", ""); + + const unsigned int big_size = 1024 / 8; + unsigned int set_size; + + for (set_size = big_size; set_size; set_size >>= 1) { + if (!k_sigprocmask(SIG_SETMASK, NULL, NULL, set_size)) + break; + tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u)" + " = -1 EINVAL (%m)\n", set_size); + } + if (!set_size) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u) = 0\n", + set_size); + + void *const k_set = tail_alloc(set_size); + void *const old_set = tail_alloc(set_size); + sigset_t *const libc_set = tail_alloc(sizeof(sigset_t)); + + memset(k_set, 0, set_size); + if (k_sigprocmask(SIG_SETMASK, k_set, NULL, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_SETMASK, [], NULL, %u) = 0\n", set_size); + + if (k_sigprocmask(SIG_UNBLOCK, k_set - set_size, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[], [], %u) = 0\n", set_size); + + assert(k_sigprocmask(SIG_SETMASK, k_set - set_size, + old_set, set_size << 1) == -1); + tprintf("rt_sigprocmask(SIG_SETMASK, %p, %p, %u) = -1 EINVAL (%m)\n", + k_set - set_size, old_set, set_size << 1); + + iterate("~[]", k_set - set_size, old_set, set_size >> 1); + + sigemptyset(libc_set); + sigaddset(libc_set, SIGHUP); + memcpy(k_set, libc_set, set_size); + + if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_BLOCK, [HUP], [], %u) = 0\n", set_size); + + memset(libc_set, -1, sizeof(sigset_t)); + sigdelset(libc_set, SIGHUP); + memcpy(k_set, libc_set, set_size); + + if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP], %u) = 0\n", + set_size); + + sigdelset(libc_set, SIGKILL); + memcpy(k_set, libc_set, set_size); + + if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP], %u) = 0\n", + set_size); + + sigemptyset(libc_set); + sigaddset(libc_set, SIGHUP); + sigaddset(libc_set, SIGINT); + sigaddset(libc_set, SIGQUIT); + sigaddset(libc_set, SIGALRM); + sigaddset(libc_set, SIGTERM); + memcpy(k_set, libc_set, set_size); + + if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_BLOCK, %s, [HUP], %u) = 0\n", + "[HUP INT QUIT ALRM TERM]", set_size); + + if (k_sigprocmask(SIG_SETMASK, NULL, old_set, set_size)) + perror_msg_and_fail("rt_sigprocmask"); + tprintf("rt_sigprocmask(SIG_SETMASK, NULL, %s, %u) = 0\n", + "[HUP INT QUIT ALRM TERM]", set_size); + + assert(k_sigprocmask(SIG_SETMASK, k_set + (set_size >> 1), NULL, + set_size) == -1); + tprintf("rt_sigprocmask(SIG_SETMASK, %p, NULL, %u) = -1 EFAULT (%m)\n", + k_set + (set_size >> 1), set_size); + + assert(k_sigprocmask(SIG_SETMASK, k_set, old_set + (set_size >> 1), + set_size) == -1); + tprintf("rt_sigprocmask(SIG_SETMASK, %s, %p, %u) = -1 EFAULT (%m)\n", + "[HUP INT QUIT ALRM TERM]", + old_set + (set_size >> 1), set_size); + + tprintf("+++ exited with 0 +++\n"); + return 0; +} + +#else + +SKIP_MAIN_UNDEFINED("__NR_rt_sigprocmask") + +#endif diff --git a/tests/rt_sigprocmask.test b/tests/rt_sigprocmask.test new file mode 100755 index 00000000..ea5b38bb --- /dev/null +++ b/tests/rt_sigprocmask.test @@ -0,0 +1,11 @@ +#!/bin/sh + +# Check rt_sigprocmask syscall decoding. + +. "${srcdir=.}/init.sh" + +run_prog > /dev/null +OUT="$LOG.out" +run_strace -ert_sigprocmask $args > "$OUT" +match_diff "$LOG" "$OUT" +rm -f "$OUT" -- 2.40.0