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Add new tests kill[12] in t_ptrace_wait{,3,4,6,id,pid} 

New tests verify that PT_CONTINUE with SIGKILL is equivalent to PT_KILL.

kill1:
    Verify that PT_CONTINUE with SIGKILL terminates child

kill2:
    Verify that PT_KILL terminates child

Sponsored by <The NetBSD Foundation>
This commit is contained in:
kamil 2016-11-30 21:12:53 +00:00
parent 1abd6678f6
commit 26286941d5
1 changed files with 101 additions and 2 deletions
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103
tests/kernel/t_ptrace_wait.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: t_ptrace_wait.c,v 1.35 2016/11/29 21:58:13 kamil Exp $ */ /* $NetBSD: t_ptrace_wait.c,v 1.36 2016/11/30 21:12:53 kamil Exp $ */
/*- /*-
* Copyright (c) 2016 The NetBSD Foundation, Inc. * Copyright (c) 2016 The NetBSD Foundation, Inc.
@ -27,7 +27,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__RCSID("$NetBSD: t_ptrace_wait.c,v 1.35 2016/11/29 21:58:13 kamil Exp $"); __RCSID("$NetBSD: t_ptrace_wait.c,v 1.36 2016/11/30 21:12:53 kamil Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/types.h> #include <sys/types.h>
@ -4875,6 +4875,102 @@ ATF_TC_BODY(step4, tc)
} }
#endif #endif
ATF_TC(kill1);
ATF_TC_HEAD(kill1, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that PT_CONTINUE with SIGKILL terminates child");
}
ATF_TC_BODY(kill1, tc)
{
const int sigval = SIGSTOP, sigsent = SIGKILL;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
printf("Before forking process PID=%d\n", getpid());
child = atf_utils_fork();
if (child == 0) {
printf("Before calling PT_TRACE_ME from child %d\n", getpid());
FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
printf("Before raising %s from child\n", strsignal(sigval));
FORKEE_ASSERT(raise(sigval) == 0);
/* NOTREACHED */
FORKEE_ASSERTX(0 &&
"Child should be terminated by a signal from its parent");
}
printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
validate_status_stopped(status, sigval);
printf("Before resuming the child process where it left off and "
"without signal to be sent\n");
ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, sigsent) != -1);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
validate_status_signaled(status, sigsent, 0);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
}
ATF_TC(kill2);
ATF_TC_HEAD(kill2, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that PT_KILL terminates child");
}
ATF_TC_BODY(kill2, tc)
{
const int sigval = SIGSTOP;
pid_t child, wpid;
#if defined(TWAIT_HAVE_STATUS)
int status;
#endif
printf("Before forking process PID=%d\n", getpid());
child = atf_utils_fork();
if (child == 0) {
printf("Before calling PT_TRACE_ME from child %d\n", getpid());
FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
printf("Before raising %s from child\n", strsignal(sigval));
FORKEE_ASSERT(raise(sigval) == 0);
/* NOTREACHED */
FORKEE_ASSERTX(0 &&
"Child should be terminated by a signal from its parent");
}
printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
validate_status_stopped(status, sigval);
printf("Before resuming the child process where it left off and "
"without signal to be sent\n");
ATF_REQUIRE(ptrace(PT_KILL, child, (void*)1, 0) != -1);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
validate_status_signaled(status, SIGKILL, 0);
printf("Before calling %s() for the child\n", TWAIT_FNAME);
TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
}
#if defined(TWAIT_HAVE_PID) #if defined(TWAIT_HAVE_PID)
#define ATF_TP_ADD_TC_HAVE_PID(a,b) ATF_TP_ADD_TC(a,b) #define ATF_TP_ADD_TC_HAVE_PID(a,b) ATF_TP_ADD_TC(a,b)
#else #else
@ -4984,5 +5080,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC_PT_STEP(tp, step3); ATF_TP_ADD_TC_PT_STEP(tp, step3);
ATF_TP_ADD_TC_PT_STEP(tp, step4); ATF_TP_ADD_TC_PT_STEP(tp, step4);
ATF_TP_ADD_TC_PT_STEP(tp, kill1);
ATF_TP_ADD_TC_PT_STEP(tp, kill2);
return atf_no_error(); return atf_no_error();
} }