From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sun, 10 Apr 2016 22:38:00 +0000 (+0000)
Subject: tests/epoll_ctl.c: extend epoll_ctl coverage
X-Git-Tag: v4.12~435
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2399a6031c879615c49dbfeef4b258b0546a3809;p=strace

tests/epoll_ctl.c: extend epoll_ctl coverage

* tests/epoll_ctl.c (main): Check EPOLL_CTL_DEL decoding.  Check
decoding of long int descriptors and NULL struct epoll_event pointer.
---

diff --git a/tests/epoll_ctl.c b/tests/epoll_ctl.c
index 4e985e0e..7237f0f7 100644
--- a/tests/epoll_ctl.c
+++ b/tests/epoll_ctl.c
@@ -21,6 +21,14 @@ main(void)
 	       ev->data.u32, ev->data.u64, rc,
 	       errno == ENOSYS ? "ENOSYS" : "EBADF");
 
+	rc = syscall(__NR_epoll_ctl, -3, EPOLL_CTL_DEL, -4, ev);
+	printf("epoll_ctl(-3, EPOLL_CTL_DEL, -4, %p) = %d %s (%m)\n",
+	       ev, rc, errno == ENOSYS ? "ENOSYS" : "EBADF");
+
+	rc = syscall(__NR_epoll_ctl, -1L, EPOLL_CTL_MOD, -16L, 0);
+	printf("epoll_ctl(-1, EPOLL_CTL_MOD, -16, NULL) = %d %s (%m)\n",
+	       rc, errno == ENOSYS ? "ENOSYS" : "EFAULT");
+
 	puts("+++ exited with 0 +++");
 	return 0;
 }