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[src/trunk]: src/tests/kernel add an assert that prints the values, and remov...
details: https://anonhg.NetBSD.org/src/rev/46db074e1e68
branches: trunk
changeset: 348873:46db074e1e68
user: christos <christos%NetBSD.org@localhost>
date: Sat Nov 12 19:44:59 2016 +0000
description:
add an assert that prints the values, and remove expected failure.
diffstat:
tests/kernel/t_ptrace_wait.c | 75 +++++++++++++++++++++++++------------------
1 files changed, 44 insertions(+), 31 deletions(-)
diffs (189 lines):
diff -r cf2ea854f119 -r 46db074e1e68 tests/kernel/t_ptrace_wait.c
--- a/tests/kernel/t_ptrace_wait.c Sat Nov 12 19:42:47 2016 +0000
+++ b/tests/kernel/t_ptrace_wait.c Sat Nov 12 19:44:59 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.8 2016/11/12 16:33:48 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.9 2016/11/12 19:44:59 christos Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.8 2016/11/12 16:33:48 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.9 2016/11/12 19:44:59 christos Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -154,21 +154,30 @@
* overcomplicate the tests - do not log from a child and use err(3)/errx(3)
* wrapped with FORKEE_ASSERT()/FORKEE_ASSERTX() as that is guaranteed to work.
*/
-#define FORKEE_ASSERTX(x) \
-do { \
- int ret = (x); \
- if (!ret) \
- errx(EXIT_FAILURE, "%s:%d %s(): Assertion failed for: %s", \
- __FILE__, __LINE__, __func__, #x); \
-} while (0)
+#define FORKEE_ASSERT_EQ(x, y) \
+do { \
+ int ret = (x) == (y); \
+ if (!ret) \
+ errx(EXIT_FAILURE, "%s:%d %s(): Assertion failed for: " \
+ "%s(%d) == %s(%d)", __FILE__, __LINE__, __func__, \
+ #x, (int)x, #y, (int)y); \
+} while (/*CONSTCOND*/0)
-#define FORKEE_ASSERT(x) \
-do { \
- int ret = (x); \
- if (!ret) \
- err(EXIT_FAILURE, "%s:%d %s(): Assertion failed for: %s", \
- __FILE__, __LINE__, __func__, #x); \
-} while (0)
+#define FORKEE_ASSERTX(x) \
+do { \
+ int ret = (x); \
+ if (!ret) \
+ errx(EXIT_FAILURE, "%s:%d %s(): Assertion failed for: %s",\
+ __FILE__, __LINE__, __func__, #x); \
+} while (/*CONSTCOND*/0)
+
+#define FORKEE_ASSERT(x) \
+do { \
+ int ret = (x); \
+ if (!ret) \
+ err(EXIT_FAILURE, "%s:%d %s(): Assertion failed for: %s",\
+ __FILE__, __LINE__, __func__, #x); \
+} while (/*CONSTCOND*/0)
/*
* If waitid(2) returns because one or more processes have a state change to
@@ -215,7 +224,7 @@
FORKEE_ASSERTX(!WIFSIGNALED(status));
FORKEE_ASSERTX(!WIFSTOPPED(status));
- FORKEE_ASSERTX(WEXITSTATUS(status) == expected);
+ FORKEE_ASSERT_EQ(WEXITSTATUS(status), expected);
}
static void __used
@@ -259,8 +268,8 @@
FORKEE_ASSERTX(WIFSIGNALED(status));
FORKEE_ASSERTX(!WIFSTOPPED(status));
- FORKEE_ASSERTX(WTERMSIG(status) == expected_termsig);
- FORKEE_ASSERTX(WCOREDUMP(status) == expected_core);
+ FORKEE_ASSERT_EQ(WTERMSIG(status), expected_termsig);
+ FORKEE_ASSERT_EQ(WCOREDUMP(status), expected_core);
}
static void __used
@@ -287,7 +296,7 @@
FORKEE_ASSERTX(!WIFSIGNALED(status));
FORKEE_ASSERTX(WIFSTOPPED(status));
- FORKEE_ASSERTX(WSTOPSIG(status) == expected);
+ FORKEE_ASSERT_EQ(WSTOPSIG(status), expected);
}
#else
#define validate_status_exited(a,b)
@@ -391,7 +400,7 @@
static void
traceme2_sighandler(int sig)
{
- FORKEE_ASSERTX(sig == SIGINT);
+ FORKEE_ASSERT_EQ(sig, SIGINT);
++traceme2_caught;
}
@@ -421,7 +430,7 @@
printf("Before raising %s from child\n", strsignal(sigval));
FORKEE_ASSERT(raise(sigval) == 0);
- FORKEE_ASSERTX(traceme2_caught == 1);
+ FORKEE_ASSERT_EQ(traceme2_caught, 1);
printf("Before exiting of the child process\n");
_exit(exitval);
@@ -606,7 +615,7 @@
FORKEE_REQUIRE_SUCCESS(
wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
- forkee_status_stopped(status, SIGSTOP);
+ forkee_status_stopped(status, SIGTRAP);
/* Resume tracee with PT_CONTINUE */
FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
@@ -734,7 +743,7 @@
FORKEE_REQUIRE_SUCCESS(
wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
- forkee_status_stopped(status, SIGSTOP);
+ forkee_status_stopped(status, SIGTRAP);
/* Resume tracee with PT_CONTINUE */
FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
@@ -943,14 +952,17 @@
FORKEE_REQUIRE_SUCCESS(
wpid = TWAIT_GENERIC(getppid(), &status, 0), getppid());
- forkee_status_stopped(status, SIGSTOP);
+ forkee_status_stopped(status, SIGTRAP);
printf("Resume parent with PT_DETACH\n");
FORKEE_ASSERT(ptrace(PT_DETACH, getppid(), (void *)1, 0)
!= -1);
+ /* Tell parent we are ready */
+ rv = write(fds_fromtracer[1], &msg, sizeof(msg));
+ FORKEE_ASSERT(rv == sizeof(msg));
/* Wait for message from the parent */
- rv = write(fds_fromtracer[1], &msg, sizeof(msg));
+ rv = read(fds_totracer[0], &msg, sizeof(msg));
FORKEE_ASSERT(rv == sizeof(msg));
_exit(exitval_tracer);
@@ -962,9 +974,12 @@
rv = write(fds_totracer[1], &msg, sizeof(msg));
ATF_REQUIRE(rv == sizeof(msg));
- printf("Let the tracer exit now\n");
+ printf("Wait for the tracer to resume\n");
rv = read(fds_fromtracer[0], &msg, sizeof(msg));
ATF_REQUIRE(rv == sizeof(msg));
+ printf("Allow the tracer to exit now\n");
+ rv = write(fds_totracer[1], &msg, sizeof(msg));
+ ATF_REQUIRE(rv == sizeof(msg));
printf("Wait for tracer to exit with %s()\n", TWAIT_FNAME);
TWAIT_REQUIRE_SUCCESS(
@@ -1008,8 +1023,6 @@
* Tracee process cannot see its appropriate parent when debugged by a
* tracer
*/
- atf_tc_expect_fail("PR kern/51624");
-
printf("Spawn tracee\n");
ATF_REQUIRE(pipe(fds_totracee) == 0);
ATF_REQUIRE(pipe(fds_fromtracee) == 0);
@@ -1028,7 +1041,7 @@
rv = read(fds_totracee[0], &msg, sizeof(msg));
FORKEE_ASSERT(rv == sizeof(msg));
- FORKEE_ASSERTX(parent == getppid());
+ FORKEE_ASSERT_EQ(parent, getppid());
_exit(exitval_tracee);
}
@@ -1058,7 +1071,7 @@
FORKEE_REQUIRE_SUCCESS(
wpid = TWAIT_GENERIC(tracee, &status, 0), tracee);
- forkee_status_stopped(status, SIGSTOP);
+ forkee_status_stopped(status, SIGTRAP);
/* Resume tracee with PT_CONTINUE */
FORKEE_ASSERT(ptrace(PT_CONTINUE, tracee, (void *)1, 0) != -1);
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