[PATCH 2/4] tests: add epoll_ctl.test

[Fei Jie]

* tests/epoll_ctl.c: New file.
* tests/epoll_ctl.test: New test.
* tests/.gitignore: Add epoll_ctl.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add epoll_ctl.test.
---
 tests/.gitignore     |  1 +
 tests/Makefile.am    |  2 ++
 tests/epoll_ctl.c    | 31 +++++++++++++++++++++++++++++++
 tests/epoll_ctl.test |  6 ++++++
 4 files changed, 40 insertions(+)
 create mode 100644 tests/epoll_ctl.c
 create mode 100755 tests/epoll_ctl.test

diff --git a/tests/.gitignore b/tests/.gitignore
index 0478e18..849d6ef 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -27,6 +27,7 @@ dup2
 dup3
 epoll_create
 epoll_create1
+epoll_ctl
 eventfd
 execve
 execve-v
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8dc6673..2a761d8 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -78,6 +78,7 @@ check_PROGRAMS = \
 	dup3 \
 	epoll_create \
 	epoll_create1 \
+	epoll_ctl \
 	eventfd \
 	execve \
 	execve-v \
@@ -278,6 +279,7 @@ DECODER_TESTS = \
 	dup3.test \
 	epoll_create.test \
 	epoll_create1.test \
+	epoll_ctl.test \
 	eventfd.test \
 	execve.test \
 	execve-v.test \
diff --git a/tests/epoll_ctl.c b/tests/epoll_ctl.c
new file mode 100644
index 0000000..b24bae8
--- /dev/null
+++ b/tests/epoll_ctl.c
@@ -0,0 +1,31 @@
+#include "tests.h"
+#include <sys/syscall.h>
+
+#ifdef __NR_epoll_ctl
+
+# include <errno.h>
+# include <stdio.h>
+# include <sys/epoll.h>
+# include <unistd.h>
+# include <inttypes.h>
+
+int
+main(void)
+{
+	struct epoll_event *const ev = tail_alloc(sizeof(struct epoll_event));
+	ev->events = EPOLLIN;
+	int rc = syscall(__NR_epoll_ctl, -1, EPOLL_CTL_ADD, -1, ev);
+	printf("epoll_ctl(-1, EPOLL_CTL_ADD, -1, {EPOLLIN,"
+	       " {u32=%u, u64=%" PRIu64 "}}) = %d %s (%m)\n",
+	       ev->data.u32, ev->data.u64, rc,
+	       errno == ENOSYS ? "ENOSYS" : "EBADF");
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_epoll_create")
+
+#endif
diff --git a/tests/epoll_ctl.test b/tests/epoll_ctl.test
new file mode 100755
index 0000000..1aded54
--- /dev/null
+++ b/tests/epoll_ctl.test
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Check epoll_ctl syscall decoding.
+
+. "${srcdir=.}/init.sh"
+run_strace_match_diff
-- 
1.8.3.1