From 6dfb9460caf3466b23b2a24c7ac91ebbb0747226 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 16 May 2017 18:42:44 +0000
Subject: [PATCH] Skip tests depending on coredumps if coredumps are disabled
 via kern.coredump.

The kern.coredump sysctl can be set to 0 to disable coredumps.  Skip the
'status_coredump' and 'wait6_coredumped' tests if this sysctl is set to 0
rather than reporting a failure.

Submitted by:	brooks
Reviewed by:	ngie
Obtained from:	CheriBSD
Sponsored by:	DARPA / AFRL
Differential Revision:	https://reviews.freebsd.org/D10665
---
 contrib/atf/atf-c/detail/process_test.c    | 11 +++++++++++
 contrib/netbsd-tests/lib/libc/sys/t_wait.c | 12 ++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/contrib/atf/atf-c/detail/process_test.c b/contrib/atf/atf-c/detail/process_test.c
index 5ae5565b6a2b..82a911df68cd 100644
--- a/contrib/atf/atf-c/detail/process_test.c
+++ b/contrib/atf/atf-c/detail/process_test.c
@@ -26,6 +26,9 @@
 #include "atf-c/detail/process.h"
 
 #include <sys/types.h>
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+#endif
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <sys/wait.h>
@@ -667,6 +670,14 @@ ATF_TC_BODY(status_coredump, tc)
         atf_tc_skip("Cannot unlimit the core file size; check limits "
                     "manually");
 
+#ifdef __FreeBSD__
+	int coredump_enabled;
+	size_t ce_len = sizeof(coredump_enabled);
+	if (sysctlbyname("kern.coredump", &coredump_enabled, &ce_len, NULL,
+	    0) == 0 && !coredump_enabled)
+		atf_tc_skip("Coredumps disabled");
+#endif
+
     const int rawstatus = fork_and_wait_child(child_sigquit);
     atf_process_status_t s;
     RE(atf_process_status_init(&s, rawstatus));
diff --git a/contrib/netbsd-tests/lib/libc/sys/t_wait.c b/contrib/netbsd-tests/lib/libc/sys/t_wait.c
index 91bbaf1f3dd1..ce060da8937e 100644
--- a/contrib/netbsd-tests/lib/libc/sys/t_wait.c
+++ b/contrib/netbsd-tests/lib/libc/sys/t_wait.c
@@ -31,6 +31,10 @@
 #include <sys/cdefs.h>
 __RCSID("$NetBSD: t_wait.c,v 1.8 2017/01/13 19:28:55 christos Exp $");
 
+#ifdef __FreeBSD__
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#endif
 #include <sys/wait.h>
 #include <sys/resource.h>
 
@@ -147,6 +151,14 @@ ATF_TC_BODY(wait6_coredumped, tc)
 	pid_t pid;
 	static const struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
 
+#ifdef __FreeBSD__
+	int coredump_enabled;
+	size_t ce_len = sizeof(coredump_enabled);
+	if (sysctlbyname("kern.coredump", &coredump_enabled, &ce_len, NULL,
+	    0) == 0 && !coredump_enabled)
+		atf_tc_skip("Coredumps disabled");
+#endif
+
 	switch (pid = fork()) {
 	case 0:
 		ATF_REQUIRE(setrlimit(RLIMIT_CORE, &rl) == 0);