[PATCH 2/7] Create os-time.h and modify os-time.c

[Ajeets6]

From: Stacey Son <sson@FreeBSD.org>

+add nanosleep(2) in os-time.h
+add t2h_freebsd_timeval and h2t_freebsd_timeval time conversion
functions
-remove t2h_freebsd_timeval in os-time.c
Co-Authored-By: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Ajeets6 <itachis6234@gmail.com>
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
---
 bsd-user/freebsd/os-time.c | 29 ++++++++++++++++++-------
 bsd-user/freebsd/os-time.h | 44 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 8 deletions(-)
 create mode 100644 bsd-user/freebsd/os-time.h

diff --git a/bsd-user/freebsd/os-time.c b/bsd-user/freebsd/os-time.c
index ec9f59ded7..e71eed6519 100644
--- a/bsd-user/freebsd/os-time.c
+++ b/bsd-user/freebsd/os-time.c
@@ -20,22 +20,35 @@
 /*
  * FreeBSD time conversion functions
  */
-#include <errno.h>
+#include "qemu/osdep.h"
 #include <time.h>
-#include <sys/types.h>
 #include "qemu.h"
 
 
-abi_long t2h_freebsd_timeval(struct timeval *tv, abi_ulong target_tv_addr)
+abi_long t2h_freebsd_timespec(struct timespec *ts, abi_ulong target_ts_addr)
 {
-    struct target_freebsd_timeval *target_tv;
+    struct target_freebsd_timespec *target_ts;
 
-    if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 0)) {
+    if (!lock_user_struct(VERIFY_READ, target_ts, target_ts_addr, 0)) {
         return -TARGET_EFAULT;
     }
-    __get_user(tv->tv_sec, &target_tv->tv_sec);
-    __get_user(tv->tv_usec, &target_tv->tv_usec);
-    unlock_user_struct(target_tv, target_tv_addr, 1);
+    __get_user(ts->tv_sec, &target_ts->tv_sec);
+    __get_user(ts->tv_nsec, &target_ts->tv_nsec);
+    unlock_user_struct(target_ts, target_ts_addr, 1);
+
+    return 0;
+}
+
+abi_long h2t_freebsd_timespec(abi_ulong target_ts_addr, struct timespec *ts)
+{
+    struct target_freebsd_timespec *target_ts;
+
+    if (!lock_user_struct(VERIFY_WRITE, target_ts, target_ts_addr, 0)) {
+        return -TARGET_EFAULT;
+    }
+    __put_user(ts->tv_sec, &target_ts->tv_sec);
+    __put_user(ts->tv_nsec, &target_ts->tv_nsec);
+    unlock_user_struct(target_ts, target_ts_addr, 1);
 
     return 0;
 }
\ No newline at end of file
diff --git a/bsd-user/freebsd/os-time.h b/bsd-user/freebsd/os-time.h
new file mode 100644
index 0000000000..18c9e1dd12
--- /dev/null
+++ b/bsd-user/freebsd/os-time.h
@@ -0,0 +1,44 @@
+/*
+ *  FreeBSD time related system call shims
+ *
+ *  Copyright (c) 2013-2015 Stacey Son
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef FREEBSD_OS_TIME_H
+#define FREEBSD_OS_TIME_H
+
+
+#include "qemu.h"
+
+
+
+
+/* nanosleep(2) */
+static inline abi_long do_freebsd_nanosleep(abi_long arg1, abi_long arg2)
+{
+    abi_long ret;
+    struct timespec req, rem;
+
+    ret = t2h_freebsd_timespec(&req, arg1);
+    if (!is_error(ret)) {
+        ret = get_errno(safe_nanosleep(&req, &rem));
+        if (ret == -TARGET_EINTR && arg2) {
+            h2t_freebsd_timespec(arg2, &rem);
+        }
+    }
+
+    return ret;
+}
-- 
2.34.1