[LTP] [PATCH] syscalls: add rt_tgsigqueueinfo() test-case

[Sumit Garg]

This tests the rt_tgsigqueueinfo() syscall used to queue a signal and
data to the single thread specified by the combination of tgid, a thread
group ID, and tid, a thread in that thread group.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
---
 runtest/syscalls                                   |  1 +
 .../kernel/syscalls/rt_tgsigqueueinfo/.gitignore   |  1 +
 .../kernel/syscalls/rt_tgsigqueueinfo/Makefile     | 10 ++++
 .../rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c        | 53 ++++++++++++++++++++++
 4 files changed, 65 insertions(+)
 create mode 100644 testcases/kernel/syscalls/rt_tgsigqueueinfo/.gitignore
 create mode 100644 testcases/kernel/syscalls/rt_tgsigqueueinfo/Makefile
 create mode 100644 testcases/kernel/syscalls/rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c

diff --git a/runtest/syscalls b/runtest/syscalls
index 70d3561..861c0a6 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -996,6 +996,7 @@ rt_sigprocmask01 rt_sigprocmask01
 rt_sigprocmask02 rt_sigprocmask02
 rt_sigqueueinfo01 rt_sigqueueinfo01
 rt_sigsuspend01 rt_sigsuspend01
+rt_tgsigqueueinfo01 rt_tgsigqueueinfo01
 
 sbrk01 sbrk01
 sbrk02 sbrk02
diff --git a/testcases/kernel/syscalls/rt_tgsigqueueinfo/.gitignore b/testcases/kernel/syscalls/rt_tgsigqueueinfo/.gitignore
new file mode 100644
index 0000000..f9ffa58
--- /dev/null
+++ b/testcases/kernel/syscalls/rt_tgsigqueueinfo/.gitignore
@@ -0,0 +1 @@
+rt_tgsigqueueinfo01
diff --git a/testcases/kernel/syscalls/rt_tgsigqueueinfo/Makefile b/testcases/kernel/syscalls/rt_tgsigqueueinfo/Makefile
new file mode 100644
index 0000000..035ca64
--- /dev/null
+++ b/testcases/kernel/syscalls/rt_tgsigqueueinfo/Makefile
@@ -0,0 +1,10 @@
+# Copyright (c) 2019 - Linaro Limited. All rights reserved.
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+top_srcdir             ?= ../../../..
+
+rt_tgsigqueueinfo01: CFLAGS+=-pthread
+
+include $(top_srcdir)/include/mk/testcases.mk
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c b/testcases/kernel/syscalls/rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c
new file mode 100644
index 0000000..336b968
--- /dev/null
+++ b/testcases/kernel/syscalls/rt_tgsigqueueinfo/rt_tgsigqueueinfo01.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2019 Linaro Limited. All rights reserved.
+ * Author: Sumit Garg <sumit.garg@linaro.org>
+ */
+
+/*
+ * Test rt_tgsigqueueinfo
+ *
+ * This tests the rt_tgsigqueueinfo() syscall. It sends the signal and data
+ * to the single thread specified by the combination of tgid, a thread group
+ * ID, and tid, a thread in that thread group.
+ */
+
+#define _GNU_SOURCE
+#include <err.h>
+#include <pthread.h>
+#include "tst_test.h"
+#include "lapi/syscalls.h"
+
+void *tfunc(void *arg LTP_ATTRIBUTE_UNUSED)
+{
+	siginfo_t uinfo;
+
+	uinfo.si_errno = 0;
+	uinfo.si_code = SI_QUEUE;
+
+	TEST(tst_syscall(__NR_rt_tgsigqueueinfo, getpid(),
+			 syscall(__NR_gettid), SIGCHLD, &uinfo));
+	if (TST_RET)
+		tst_res(TFAIL, "Test Failed");
+	else
+		tst_res(TPASS, "Test Succeeded");
+
+	return NULL;
+}
+
+static void verify_rt_tgsigqueueinfo(void)
+{
+	pthread_t pt;
+
+	TEST(pthread_create(&pt, NULL, tfunc, NULL));
+	if (TST_RET)
+		tst_brk(TFAIL | TTERRNO, "pthread_create failed");
+
+	TEST(pthread_join(pt, NULL));
+	if (TST_RET)
+		tst_brk(TFAIL | TTERRNO, "pthread_join failed");
+}
+
+static struct tst_test test = {
+	.test_all = verify_rt_tgsigqueueinfo,
+};
-- 
2.7.4