Validate that clone(2) is handled properly with more ptrace(2) ATF tests
New tests: - clone[1-8] - clone_vm[1-8] - clone_fs[1-8] - clone_files[1-8] - clone_sighand[1-8] // disabled temporarily - clone_vfork[1-8] Assert that appropriate events are triggered for the combination of: - PTRACE_FORK - PTRACE_VFORK - PTRACE_VFORK_DONE
This commit is contained in:
kamil
parent
58fc942043
commit
e7d8414a5b
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@ -1,4 +1,4 @@
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/* $NetBSD: t_ptrace_wait.c,v 1.105 2019/04/06 15:35:09 kamil Exp $ */
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/* $NetBSD: t_ptrace_wait.c,v 1.106 2019/04/11 19:25:31 kamil Exp $ */
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/*-
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* Copyright (c) 2016, 2017, 2018, 2019 The NetBSD Foundation, Inc.
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@ -27,7 +27,7 @@
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_ptrace_wait.c,v 1.105 2019/04/06 15:35:09 kamil Exp $");
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__RCSID("$NetBSD: t_ptrace_wait.c,v 1.106 2019/04/11 19:25:31 kamil Exp $");
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#include <sys/param.h>
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#include <sys/types.h>
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@ -6283,19 +6283,297 @@ ATF_TC_BODY(syscallemu1, tc)
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/// ----------------------------------------------------------------------------
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#if defined(TWAIT_HAVE_PID)
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static int
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clone_func(void *arg)
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static void
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clone_body(int flags, bool trackfork, bool trackvfork,
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bool trackvforkdone)
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{
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int ret;
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const int exitval = 5;
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const int exitval2 = 15;
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const int sigval = SIGSTOP;
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pid_t child, child2 = 0, 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_state_t state;
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const int slen = sizeof(state);
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ptrace_event_t event;
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const int elen = sizeof(event);
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ret = (int)(intptr_t)arg;
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const size_t stack_size = 1024 * 1024;
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void *stack, *stack_base;
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return ret;
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stack = malloc(stack_size);
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ATF_REQUIRE(stack != NULL);
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#ifdef __MACHINE_STACK_GROWS_UP
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stack_base = stack;
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#else
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stack_base = (char *)stack + stack_size;
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#endif
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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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SYSCALL_REQUIRE((child2 = __clone(clone_func, stack_base,
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flags|SIGCHLD, (void *)(intptr_t)exitval2)) != -1);
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DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(),
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child2);
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// XXX WALLSIG?
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FORKEE_REQUIRE_SUCCESS
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(wpid = TWAIT_GENERIC(child2, &status, WALLSIG), child2);
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forkee_status_exited(status, exitval2);
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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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DPRINTF("Set 0%s%s%s in EVENT_MASK for the child %d\n",
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trackfork ? "|PTRACE_FORK" : "",
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trackvfork ? "|PTRACE_VFORK" : "",
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trackvforkdone ? "|PTRACE_VFORK_DONE" : "", child);
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event.pe_set_event = 0;
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if (trackfork)
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event.pe_set_event |= PTRACE_FORK;
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if (trackvfork)
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event.pe_set_event |= PTRACE_VFORK;
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if (trackvforkdone)
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event.pe_set_event |= PTRACE_VFORK_DONE;
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SYSCALL_REQUIRE(ptrace(PT_SET_EVENT_MASK, child, &event, elen) != -1);
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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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#if defined(TWAIT_HAVE_PID)
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if ((trackfork && !(flags & CLONE_VFORK)) ||
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(trackvfork && (flags & CLONE_VFORK))) {
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DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME,
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child);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
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child);
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validate_status_stopped(status, SIGTRAP);
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SYSCALL_REQUIRE(
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ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
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if (trackfork && !(flags & CLONE_VFORK)) {
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ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK,
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PTRACE_FORK);
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}
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if (trackvfork && (flags & CLONE_VFORK)) {
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ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK,
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PTRACE_VFORK);
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}
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child2 = state.pe_other_pid;
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DPRINTF("Reported ptrace event with forkee %d\n", child2);
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DPRINTF("Before calling %s() for the forkee %d of the child "
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"%d\n", TWAIT_FNAME, child2, child);
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TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child2, &status, 0),
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child2);
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validate_status_stopped(status, SIGTRAP);
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SYSCALL_REQUIRE(
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ptrace(PT_GET_PROCESS_STATE, child2, &state, slen) != -1);
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if (trackfork && !(flags & CLONE_VFORK)) {
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ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_FORK,
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PTRACE_FORK);
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}
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if (trackvfork && (flags & CLONE_VFORK)) {
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ATF_REQUIRE_EQ(state.pe_report_event & PTRACE_VFORK,
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PTRACE_VFORK);
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}
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ATF_REQUIRE_EQ(state.pe_other_pid, child);
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DPRINTF("Before resuming the forkee process where it left off "
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"and without signal to be sent\n");
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SYSCALL_REQUIRE(
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ptrace(PT_CONTINUE, child2, (void *)1, 0) != -1);
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DPRINTF("Before resuming the child process where it left off "
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"and without signal to be sent\n");
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SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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}
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#endif
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if (trackvforkdone && (flags & CLONE_VFORK)) {
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DPRINTF("Before calling %s() for the child %d\n", TWAIT_FNAME,
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child);
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TWAIT_REQUIRE_SUCCESS(
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wpid = TWAIT_GENERIC(child, &status, 0), child);
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validate_status_stopped(status, SIGTRAP);
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SYSCALL_REQUIRE(
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ptrace(PT_GET_PROCESS_STATE, child, &state, slen) != -1);
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ATF_REQUIRE_EQ(state.pe_report_event, PTRACE_VFORK_DONE);
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child2 = state.pe_other_pid;
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DPRINTF("Reported PTRACE_VFORK_DONE event with forkee %d\n",
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child2);
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DPRINTF("Before resuming the child process where it left off "
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"and without signal to be sent\n");
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SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
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}
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#if defined(TWAIT_HAVE_PID)
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if ((trackfork && !(flags & CLONE_VFORK)) ||
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(trackvfork && (flags & CLONE_VFORK))) {
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DPRINTF("Before calling %s() for the forkee - expected exited"
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"\n", TWAIT_FNAME);
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TWAIT_REQUIRE_SUCCESS(
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wpid = TWAIT_GENERIC(child2, &status, 0), child2);
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validate_status_exited(status, exitval2);
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DPRINTF("Before calling %s() for the forkee - expected no "
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"process\n", TWAIT_FNAME);
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TWAIT_REQUIRE_FAILURE(ECHILD,
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wpid = TWAIT_GENERIC(child2, &status, 0));
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}
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#endif
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DPRINTF("Before calling %s() for the child - expected stopped "
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"SIGCHLD\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, SIGCHLD);
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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 - expected exited\n",
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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 - expected no process\n",
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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 CLONE_TEST(name,flags,tfork,tvfork,tvforkdone) \
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ATF_TC(name); \
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ATF_TC_HEAD(name, tc) \
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{ \
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atf_tc_set_md_var(tc, "descr", "Verify clone(%s) " \
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"called with 0%s%s%s in EVENT_MASK", \
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#flags, \
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tfork ? "|PTRACE_FORK" : "", \
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tvfork ? "|PTRACE_VFORK" : "", \
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tvforkdone ? "|PTRACE_VFORK_DONE" : ""); \
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} \
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\
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ATF_TC_BODY(name, tc) \
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{ \
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\
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clone_body(flags, tfork, tvfork, tvforkdone); \
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}
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CLONE_TEST(clone1, 0, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone2, 0, true, false, false)
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CLONE_TEST(clone3, 0, false, true, false)
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CLONE_TEST(clone4, 0, true, true, false)
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#endif
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CLONE_TEST(clone5, 0, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone6, 0, true, false, true)
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CLONE_TEST(clone7, 0, false, true, true)
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CLONE_TEST(clone8, 0, true, true, true)
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#endif
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CLONE_TEST(clone_vm1, CLONE_VM, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_vm2, CLONE_VM, true, false, false)
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CLONE_TEST(clone_vm3, CLONE_VM, false, true, false)
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CLONE_TEST(clone_vm4, CLONE_VM, true, true, false)
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#endif
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CLONE_TEST(clone_vm5, CLONE_VM, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_vm6, CLONE_VM, true, false, true)
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CLONE_TEST(clone_vm7, CLONE_VM, false, true, true)
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CLONE_TEST(clone_vm8, CLONE_VM, true, true, true)
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#endif
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CLONE_TEST(clone_fs1, CLONE_FS, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_fs2, CLONE_FS, true, false, false)
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CLONE_TEST(clone_fs3, CLONE_FS, false, true, false)
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CLONE_TEST(clone_fs4, CLONE_FS, true, true, false)
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#endif
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CLONE_TEST(clone_fs5, CLONE_FS, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_fs6, CLONE_FS, true, false, true)
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CLONE_TEST(clone_fs7, CLONE_FS, false, true, true)
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CLONE_TEST(clone_fs8, CLONE_FS, true, true, true)
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#endif
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CLONE_TEST(clone_files1, CLONE_FILES, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_files2, CLONE_FILES, true, false, false)
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CLONE_TEST(clone_files3, CLONE_FILES, false, true, false)
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CLONE_TEST(clone_files4, CLONE_FILES, true, true, false)
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#endif
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CLONE_TEST(clone_files5, CLONE_FILES, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_files6, CLONE_FILES, true, false, true)
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CLONE_TEST(clone_files7, CLONE_FILES, false, true, true)
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CLONE_TEST(clone_files8, CLONE_FILES, true, true, true)
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#endif
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//CLONE_TEST(clone_sighand1, CLONE_SIGHAND, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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//CLONE_TEST(clone_sighand2, CLONE_SIGHAND, true, false, false)
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//CLONE_TEST(clone_sighand3, CLONE_SIGHAND, false, true, false)
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//CLONE_TEST(clone_sighand4, CLONE_SIGHAND, true, true, false)
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#endif
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//CLONE_TEST(clone_sighand5, CLONE_SIGHAND, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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//CLONE_TEST(clone_sighand6, CLONE_SIGHAND, true, false, true)
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//CLONE_TEST(clone_sighand7, CLONE_SIGHAND, false, true, true)
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//CLONE_TEST(clone_sighand8, CLONE_SIGHAND, true, true, true)
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#endif
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CLONE_TEST(clone_vfork1, CLONE_VFORK, false, false, false)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_vfork2, CLONE_VFORK, true, false, false)
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CLONE_TEST(clone_vfork3, CLONE_VFORK, false, true, false)
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CLONE_TEST(clone_vfork4, CLONE_VFORK, true, true, false)
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#endif
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CLONE_TEST(clone_vfork5, CLONE_VFORK, false, false, true)
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#if defined(TWAIT_HAVE_PID)
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CLONE_TEST(clone_vfork6, CLONE_VFORK, true, false, true)
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CLONE_TEST(clone_vfork7, CLONE_VFORK, false, true, true)
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CLONE_TEST(clone_vfork8, CLONE_VFORK, true, true, true)
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#endif
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/// ----------------------------------------------------------------------------
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#if defined(TWAIT_HAVE_PID)
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static void
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clone_body(int flags, bool masked, bool ignored)
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clone_body2(int flags, bool masked, bool ignored)
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{
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const int exitval = 5;
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const int exitval2 = 15;
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@ -6627,7 +6905,7 @@ clone_body(int flags, bool masked, bool ignored)
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TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
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}
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#define CLONE_TEST(name,flags,masked,ignored) \
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#define CLONE_TEST2(name,flags,masked,ignored) \
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ATF_TC(name); \
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ATF_TC_HEAD(name, tc) \
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{ \
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@ -6639,21 +6917,21 @@ ATF_TC_HEAD(name, tc) \
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ATF_TC_BODY(name, tc) \
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{ \
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\
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clone_body(flags, masked, ignored); \
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clone_body2(flags, masked, ignored); \
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}
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CLONE_TEST(clone_signalignored, 0, true, false)
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CLONE_TEST(clone_signalmasked, 0, false, true)
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CLONE_TEST(clone_vm_signalignored, CLONE_VM, true, false)
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CLONE_TEST(clone_vm_signalmasked, CLONE_VM, false, true)
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CLONE_TEST(clone_fs_signalignored, CLONE_FS, true, false)
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CLONE_TEST(clone_fs_signalmasked, CLONE_FS, false, true)
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CLONE_TEST(clone_files_signalignored, CLONE_FILES, true, false)
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CLONE_TEST(clone_files_signalmasked, CLONE_FILES, false, true)
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//CLONE_TEST(clone_sighand_signalignored, CLONE_SIGHAND, true, false) // XXX
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//CLONE_TEST(clone_sighand_signalmasked, CLONE_SIGHAND, false, true) // XXX
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CLONE_TEST(clone_vfork_signalignored, CLONE_VFORK, true, false)
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CLONE_TEST(clone_vfork_signalmasked, CLONE_VFORK, false, true)
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CLONE_TEST2(clone_signalignored, 0, true, false)
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CLONE_TEST2(clone_signalmasked, 0, false, true)
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CLONE_TEST2(clone_vm_signalignored, CLONE_VM, true, false)
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CLONE_TEST2(clone_vm_signalmasked, CLONE_VM, false, true)
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CLONE_TEST2(clone_fs_signalignored, CLONE_FS, true, false)
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CLONE_TEST2(clone_fs_signalmasked, CLONE_FS, false, true)
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CLONE_TEST2(clone_files_signalignored, CLONE_FILES, true, false)
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CLONE_TEST2(clone_files_signalmasked, CLONE_FILES, false, true)
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//CLONE_TEST2(clone_sighand_signalignored, CLONE_SIGHAND, true, false) // XXX
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//CLONE_TEST2(clone_sighand_signalmasked, CLONE_SIGHAND, false, true) // XXX
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CLONE_TEST2(clone_vfork_signalignored, CLONE_VFORK, true, false)
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CLONE_TEST2(clone_vfork_signalmasked, CLONE_VFORK, false, true)
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#endif
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/// ----------------------------------------------------------------------------
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@ -6997,6 +7275,60 @@ ATF_TP_ADD_TCS(tp)
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ATF_TP_ADD_TC(tp, syscallemu1);
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ATF_TP_ADD_TC(tp, clone1);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone2);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone3);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone4);
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ATF_TP_ADD_TC(tp, clone5);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone6);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone7);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone8);
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ATF_TP_ADD_TC(tp, clone_vm1);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm2);
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ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm3);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm4);
|
||||
ATF_TP_ADD_TC(tp, clone_vm5);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm6);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm7);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm8);
|
||||
|
||||
ATF_TP_ADD_TC(tp, clone_fs1);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs2);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs3);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs4);
|
||||
ATF_TP_ADD_TC(tp, clone_fs5);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs6);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs7);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_fs8);
|
||||
|
||||
ATF_TP_ADD_TC(tp, clone_files1);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files2);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files3);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files4);
|
||||
ATF_TP_ADD_TC(tp, clone_files5);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files6);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files7);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_files8);
|
||||
|
||||
// ATF_TP_ADD_TC(tp, clone_sighand1); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand2); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand3); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand4); // XXX
|
||||
// ATF_TP_ADD_TC(tp, clone_sighand5); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand6); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand7); // XXX
|
||||
// ATF_TP_ADD_TC_HAVE_PID(tp, clone_sighand8); // XXX
|
||||
|
||||
ATF_TP_ADD_TC(tp, clone_vfork1);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork2);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork3);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork4);
|
||||
ATF_TP_ADD_TC(tp, clone_vfork5);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork6);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork7);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vfork8);
|
||||
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_signalignored);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_signalmasked);
|
||||
ATF_TP_ADD_TC_HAVE_PID(tp, clone_vm_signalignored);
|
||||
|
|
|
|||
Loading…
Reference in New Issue