113 lines
4.3 KiB
C
113 lines
4.3 KiB
C
/* $NetBSD: t_ptrace_eventmask_wait.h,v 1.1 2020/05/05 00:01:14 kamil Exp $ */
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/*-
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* Copyright (c) 2016, 2017, 2018, 2019, 2020 The NetBSD Foundation, Inc.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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static void
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eventmask_preserved(int event)
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{
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const int exitval = 5;
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const int sigval = SIGSTOP;
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pid_t child, wpid;
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#if defined(TWAIT_HAVE_STATUS)
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int status;
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#endif
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ptrace_event_t set_event, get_event;
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const int len = sizeof(ptrace_event_t);
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DPRINTF("Before forking process PID=%d\n", getpid());
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SYSCALL_REQUIRE((child = fork()) != -1);
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if (child == 0) {
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DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
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FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
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DPRINTF("Before raising %s from child\n", strsignal(sigval));
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FORKEE_ASSERT(raise(sigval) == 0);
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DPRINTF("Before exiting of the child process\n");
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_exit(exitval);
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}
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DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
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DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, sigval);
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set_event.pe_set_event = event;
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SYSCALL_REQUIRE(
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ptrace(PT_SET_EVENT_MASK, child, &set_event, len) != -1);
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SYSCALL_REQUIRE(
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ptrace(PT_GET_EVENT_MASK, child, &get_event, len) != -1);
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DPRINTF("set_event=%#x get_event=%#x\n", set_event.pe_set_event,
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get_event.pe_set_event);
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ATF_REQUIRE(memcmp(&set_event, &get_event, len) == 0);
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DPRINTF("Before resuming the child process where it left off and "
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"without signal to be sent\n");
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SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_exited(status, exitval);
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DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
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TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
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}
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#define EVENTMASK_PRESERVED(test, event) \
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ATF_TC(test); \
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ATF_TC_HEAD(test, tc) \
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{ \
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atf_tc_set_md_var(tc, "descr", \
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"Verify that eventmask " #event " is preserved"); \
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} \
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\
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ATF_TC_BODY(test, tc) \
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{ \
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\
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eventmask_preserved(event); \
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}
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EVENTMASK_PRESERVED(eventmask_preserved_empty, 0)
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EVENTMASK_PRESERVED(eventmask_preserved_fork, PTRACE_FORK)
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EVENTMASK_PRESERVED(eventmask_preserved_vfork, PTRACE_VFORK)
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EVENTMASK_PRESERVED(eventmask_preserved_vfork_done, PTRACE_VFORK_DONE)
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EVENTMASK_PRESERVED(eventmask_preserved_lwp_create, PTRACE_LWP_CREATE)
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EVENTMASK_PRESERVED(eventmask_preserved_lwp_exit, PTRACE_LWP_EXIT)
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EVENTMASK_PRESERVED(eventmask_preserved_posix_spawn, PTRACE_POSIX_SPAWN)
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#define ATF_TP_ADD_TCS_PTRACE_WAIT_EVENTMASK() \
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ATF_TP_ADD_TC(tp, eventmask_preserved_empty); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_fork); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_vfork); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_vfork_done); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_lwp_create); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_lwp_exit); \
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ATF_TP_ADD_TC(tp, eventmask_preserved_posix_spawn);
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