From 940502b3debaba2b03b23dcf6615cc88729a3d61 Mon Sep 17 00:00:00 2001
From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
Date: Thu, 25 Feb 2021 20:44:36 -0500
Subject: [PATCH] Added snippet for syscall(__NR_clock_gettime)

Closes: #176
---
 test/snippets/include_headers.h              | 1 +
 test/snippets/syscall_clock_gettime.c        | 8 ++++++++
 test/snippets/syscall_clock_gettime.variable | 1 +
 3 files changed, 10 insertions(+)
 create mode 100644 test/snippets/syscall_clock_gettime.c
 create mode 100644 test/snippets/syscall_clock_gettime.variable

diff --git a/test/snippets/include_headers.h b/test/snippets/include_headers.h
index 0c1bd85..55cd48f 100644
--- a/test/snippets/include_headers.h
+++ b/test/snippets/include_headers.h
@@ -5,3 +5,4 @@
 #include <sys/syscall.h>
 #include <string.h>
 #include <errno.h>
+#include <time.h>
diff --git a/test/snippets/syscall_clock_gettime.c b/test/snippets/syscall_clock_gettime.c
new file mode 100644
index 0000000..21b99ba
--- /dev/null
+++ b/test/snippets/syscall_clock_gettime.c
@@ -0,0 +1,8 @@
+struct timespec ts;
+clockid_t ckid = CLOCK_REALTIME;
+long ret = syscall(__NR_clock_gettime, ckid, &ts);
+if (ret == 0)
+  printf("[%s] syscall(__NR_gettime, CLOCK_REALTIME[%d], &ts) -> {%lld, %ld}\n", where, ckid, (long long)ts.tv_sec, ts.tv_nsec);
+else
+  printf("[%s] syscall(__NR_gettime, CLOCK_REALTIME[%d], &ts) returned non-zero (%ld)\n", where, ckid, ret);
+   
diff --git a/test/snippets/syscall_clock_gettime.variable b/test/snippets/syscall_clock_gettime.variable
new file mode 100644
index 0000000..e89e166
--- /dev/null
+++ b/test/snippets/syscall_clock_gettime.variable
@@ -0,0 +1 @@
+FAKETIME 2020-01-01 00:00:00