[src/trunk]: src/tests/kernel Add new test siginfo6 in t_ptrace_wait{, 3, 6, 6, i...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cf4ae42fe982
branches:  trunk
changeset: 820448:cf4ae42fe982
user:      kamil <kamil%NetBSD.org@localhost>
date:      Tue Jan 10 05:08:24 2017 +0000

description:
Add new test siginfo6 in t_ptrace_wait{,3,6,6,id,pid} for ports with PT_STEP

siginfo6:
    Verify single PT_STEP call with signal information check

Sponsored by <The NetBSD Foundation>

diffstat:

 tests/kernel/t_ptrace_wait.c |  86 ++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 84 insertions(+), 2 deletions(-)

diffs (114 lines):

diff -r fdbadb13eee6 -r cf4ae42fe982 tests/kernel/t_ptrace_wait.c
--- a/tests/kernel/t_ptrace_wait.c      Tue Jan 10 05:05:09 2017 +0000
+++ b/tests/kernel/t_ptrace_wait.c      Tue Jan 10 05:08:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ptrace_wait.c,v 1.52 2017/01/10 00:54:22 kamil Exp $ */
+/*     $NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $ */
 
 /*-
  * Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.52 2017/01/10 00:54:22 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.53 2017/01/10 05:08:24 kamil Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -4908,6 +4908,87 @@
 }
 #endif
 
+#if defined(PT_STEP)
+ATF_TC(siginfo6);
+ATF_TC_HEAD(siginfo6, tc)
+{
+       atf_tc_set_md_var(tc, "descr",
+           "Verify single PT_STEP call with signal information check");
+}
+
+ATF_TC_BODY(siginfo6, tc)
+{
+       const int exitval = 5;
+       const int sigval = SIGSTOP;
+       pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+       int status;
+#endif
+       int happy;
+       struct ptrace_siginfo info;
+
+       memset(&info, 0, sizeof(info));
+
+       printf("Before forking process PID=%d\n", getpid());
+       ATF_REQUIRE((child = fork()) != -1);
+       if (child == 0) {
+               printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+               happy = check_happy(100);
+
+               printf("Before raising %s from child\n", strsignal(sigval));
+               FORKEE_ASSERT(raise(sigval) == 0);
+
+               FORKEE_ASSERT_EQ(happy, check_happy(100));
+
+               printf("Before exiting of the child process\n");
+               _exit(exitval);
+       }
+       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 calling ptrace(2) with PT_GET_SIGINFO for child\n");
+       ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+       printf("Before checking siginfo_t\n");
+       ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, sigval);
+       ATF_REQUIRE_EQ(info.psi_siginfo.si_code, SI_LWP);
+
+       printf("Before resuming the child process where it left off and "
+           "without signal to be sent (use PT_STEP)\n");
+       ATF_REQUIRE(ptrace(PT_STEP, 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_stopped(status, SIGTRAP);
+
+       printf("Before calling ptrace(2) with PT_GET_SIGINFO for child\n");
+       ATF_REQUIRE(ptrace(PT_GET_SIGINFO, child, &info, sizeof(info)) != -1);
+
+       printf("Before checking siginfo_t\n");
+       ATF_REQUIRE_EQ(info.psi_siginfo.si_signo, SIGTRAP);
+       ATF_REQUIRE_EQ(info.psi_siginfo.si_code, TRAP_TRACE);
+
+       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, 0) != -1);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+       validate_status_exited(status, exitval);
+
+       printf("Before calling %s() for the child\n", TWAIT_FNAME);
+       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
 ATF_TP_ADD_TCS(tp)
 {
        setvbuf(stdout, NULL, _IONBF, 0);
@@ -4995,6 +5076,7 @@
        ATF_TP_ADD_TC(tp, siginfo3);
        ATF_TP_ADD_TC(tp, siginfo4);
        ATF_TP_ADD_TC_HAVE_PID(tp, siginfo5);
+       ATF_TP_ADD_TC_PT_STEP(tp, siginfo6);
 
        return atf_no_error();
 }