From 628c70a67a94b3020cab79171545721dfd295fcd Mon Sep 17 00:00:00 2001
From: Mario Pareja <pareja.mario@gmail.com>
Date: Fri, 9 Jan 2015 18:15:53 +0000
Subject: [PATCH] Begin adding CLOCK_BOOTTIME support.

---
 src/faketime_common.h | 2 ++
 src/libfaketime.c     | 9 ++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/faketime_common.h b/src/faketime_common.h
index ee0d627..7de6cd8 100644
--- a/src/faketime_common.h
+++ b/src/faketime_common.h
@@ -32,6 +32,8 @@ struct system_time_s
   struct timespec mon;
   /* System time according to CLOCK_MONOTONIC_RAW */
   struct timespec mon_raw;
+  /* System time according to CLOCK_BOOTTIME */
+  struct timespec boot;
 };
 
 /* Data shared among faketime-spawned processes */
diff --git a/src/libfaketime.c b/src/libfaketime.c
index f4a26be..121bbf6 100644
--- a/src/libfaketime.c
+++ b/src/libfaketime.c
@@ -208,7 +208,7 @@ static int cache_duration = 10;     /* cache fake time input for 10 seconds */
  * Static timespec to store our startup time, followed by a load-time library
  * initialization declaration.
  */
-static struct system_time_s ftpl_starttime = {{0, -1}, {0, -1}, {0, -1}};
+static struct system_time_s ftpl_starttime = {{0, -1}, {0, -1}, {0, -1}, {0, -1}};
 
 static char user_faked_time_fmt[BUFSIZ] = {0};
 
@@ -319,6 +319,7 @@ static void system_time_from_system (struct system_time_s * systime)
   DONT_FAKE_TIME((*real_clock_gettime)(CLOCK_REALTIME, &systime->real));
   DONT_FAKE_TIME((*real_clock_gettime)(CLOCK_MONOTONIC, &systime->mon));
   DONT_FAKE_TIME((*real_clock_gettime)(CLOCK_MONOTONIC_RAW, &systime->mon_raw));
+  DONT_FAKE_TIME((*real_clock_gettime)(CLOCK_BOOTTIME, &systime->boot));
 #endif
 }
 
@@ -1834,6 +1835,9 @@ int fake_clock_gettime(clockid_t clk_id, struct timespec *tp)
       case CLOCK_MONOTONIC_RAW:
         timespecsub(tp, &ftpl_starttime.mon_raw, &tmp_ts);
         break;
+      case CLOCK_BOOTTIME:
+        timespecsub(tp, &ftpl_starttime.boot, &tmp_ts);
+        break;
       default:
         printf("Invalid clock_id for clock_gettime: %d", clk_id);
         exit(EXIT_FAILURE);
@@ -1973,6 +1977,9 @@ int fake_clock_gettime(clockid_t clk_id, struct timespec *tp)
           case CLOCK_MONOTONIC_RAW:
             timespecsub(tp, &ftpl_starttime.mon_raw, &tdiff);
             break;
+          case CLOCK_BOOTTIME:
+            timespecsub(tp, &ftpl_starttime.boot, &tdiff);
+            break;
           default:
             printf("Invalid clock_id for clock_gettime: %d", clk_id);
             exit(EXIT_FAILURE);