From e3086cbc4dec5343d34d4ffd2694cb0de49c2773 Mon Sep 17 00:00:00 2001
From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Mon, 9 May 2016 22:11:24 +0000
Subject: [PATCH] tests: check decoding of epoll_pwait syscall

* tests/epoll_pwait.c: New file.
* tests/epoll_pwait.test: New test.
* tests/.gitignore: Add epoll_pwait.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add epoll_pwait.test.
---
 tests/.gitignore       |  1 +
 tests/Makefile.am      |  2 ++
 tests/epoll_pwait.c    | 29 +++++++++++++++++++++++++++++
 tests/epoll_pwait.test |  6 ++++++
 4 files changed, 38 insertions(+)
 create mode 100644 tests/epoll_pwait.c
 create mode 100755 tests/epoll_pwait.test

diff --git a/tests/.gitignore b/tests/.gitignore
index 102d8edd..1fa92390 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -32,6 +32,7 @@ dup3
 epoll_create
 epoll_create1
 epoll_ctl
+epoll_pwait
 epoll_wait
 eventfd
 execve
diff --git a/tests/Makefile.am b/tests/Makefile.am
index c09701dc..a7b09592 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -87,6 +87,7 @@ check_PROGRAMS = \
 	epoll_create \
 	epoll_create1 \
 	epoll_ctl \
+	epoll_pwait \
 	epoll_wait \
 	eventfd \
 	execve \
@@ -369,6 +370,7 @@ DECODER_TESTS = \
 	epoll_create.test \
 	epoll_create1.test \
 	epoll_ctl.test \
+	epoll_pwait.test \
 	epoll_wait.test \
 	eventfd.test \
 	execve-v.test \
diff --git a/tests/epoll_pwait.c b/tests/epoll_pwait.c
new file mode 100644
index 00000000..a307e849
--- /dev/null
+++ b/tests/epoll_pwait.c
@@ -0,0 +1,29 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_epoll_pwait
+
+# include <signal.h>
+# include <stdio.h>
+# include <sys/epoll.h>
+# include <unistd.h>
+
+int
+main(void)
+{
+	sigset_t set[2];
+	struct epoll_event *const ev = tail_alloc(sizeof(*ev));
+
+	long rc = syscall(__NR_epoll_pwait, -1, ev, 1, -2, set, sizeof(set));
+	printf("epoll_pwait(-1, %p, 1, -2, %p, %u) = %ld %s (%m)\n",
+	       ev, set, (unsigned) sizeof(set), rc, errno2name());
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_epoll_pwait")
+
+#endif
diff --git a/tests/epoll_pwait.test b/tests/epoll_pwait.test
new file mode 100755
index 00000000..c7aeeace
--- /dev/null
+++ b/tests/epoll_pwait.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check decoding of epoll_pwait syscall.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff
-- 
2.40.0