fs: Add utimens and lutimens

https://pubs.opengroup.org/onlinepubs/9699919799/functions/futimens.html
https://www.daemon-systems.org/man/utimens.2.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

fs/vfs/fs_chstat.c

@@ -25,7 +25,6 @@
 #include <nuttx/config.h>
 
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <unistd.h>
 #include <assert.h>
 #include <errno.h>
@@ -301,15 +300,15 @@ int lchown(FAR const char *path, uid_t owner, gid_t group)
 }
 
 /****************************************************************************
- * Name: utimes
+ * Name: utimens
  *
  * Description:
- *   The utimes() function shall set the access and modification times of
+ *   The utimens() function shall set the access and modification times of
  *   the file pointed to by the path argument to the value of the times
- *   argument. utimes() function allows time specifications accurate to
+ *   argument. utimens() function allows time specifications accurate to
  *   the microsecond.
  *
- *   For utimes(), the times argument is an array of timeval structures.
+ *   For utimens(), the times argument is an array of timeval structures.
  *   The first array member represents the date and time of last access,
  *   and the second member represents the date and time of last
  *   modification. The times in the timeval structure are measured in
@@ -320,7 +319,7 @@ int lchown(FAR const char *path, uid_t owner, gid_t group)
  *   times of the file shall be set to the current time. The effective
  *   user ID of the process shall match the owner of the file, has write
  *   access to the file or appropriate privileges to use this call in this
- *   manner. Upon completion, utimes() shall mark the time of the last
+ *   manner. Upon completion, utimens() shall mark the time of the last
  *   file status change, st_ctime, for update.
  *
  * Input Parameters:
@@ -334,14 +333,14 @@ int lchown(FAR const char *path, uid_t owner, gid_t group)
  *
  ****************************************************************************/
 
-int utimes(FAR const char *path, const struct timeval times[2])
+int utimens(FAR const char *path, const struct timespec times[2])
 {
   struct stat buf;
 
   if (times != NULL)
     {
-      TIMEVAL_TO_TIMESPEC(&times[0], &buf.st_atim);
-      TIMEVAL_TO_TIMESPEC(&times[1], &buf.st_mtim);
+      buf.st_atim = times[0];
+      buf.st_mtim = times[1];
     }
   else
     {
@@ -353,10 +352,10 @@ int utimes(FAR const char *path, const struct timeval times[2])
 }
 
 /****************************************************************************
- * Name: lutimes
+ * Name: lutimens
  *
  * Description:
- *   The lutimes() system call is similar to utimes() but does not follow
+ *   The lutimens() system call is similar to utimens() but does not follow
  *   the symbolic links.
  *
  * Input Parameters:
@@ -370,14 +369,14 @@ int utimes(FAR const char *path, const struct timeval times[2])
  *
  ****************************************************************************/
 
-int lutimes(FAR const char *path, const struct timeval times[2])
+int lutimens(FAR const char *path, const struct timespec times[2])
 {
   struct stat buf;
 
   if (times != NULL)
     {
-      TIMEVAL_TO_TIMESPEC(&times[0], &buf.st_atim);
-      TIMEVAL_TO_TIMESPEC(&times[1], &buf.st_mtim);
+      buf.st_atim = times[0];
+      buf.st_mtim = times[1];
     }
   else
     {

include/sys/stat.h

@@ -178,6 +178,8 @@ int fstat(int fd, FAR struct stat *buf);
 int chmod(FAR const char *path, mode_t mode);
 int lchmod(FAR const char *path, mode_t mode);
 int fchmod(int fd, mode_t mode);
+int utimens(FAR const char *path, const struct timespec times[2]);
+int lutimens(FAR const char *path, const struct timespec times[2]);
 int futimens(int fd, const struct timespec times[2]);
 
 mode_t umask(mode_t mask);

include/sys/syscall_lookup.h

@@ -254,8 +254,8 @@ SYSCALL_LOOKUP(fchmod,                     2)
 SYSCALL_LOOKUP(chown,                      3)
 SYSCALL_LOOKUP(lchown,                     3)
 SYSCALL_LOOKUP(fchown,                     3)
-SYSCALL_LOOKUP(utimes,                     2)
-SYSCALL_LOOKUP(lutimes,                    2)
+SYSCALL_LOOKUP(utimens,                    2)
+SYSCALL_LOOKUP(lutimens,                   2)
 SYSCALL_LOOKUP(futimens,                   2)
 
 #if defined(CONFIG_FS_RAMMAP)

libs/libc/unistd/Make.defs

@@ -26,9 +26,9 @@ CSRCS += lib_getopt_longonly.c lib_getoptvars.c lib_getoptargp.c
 CSRCS += lib_getopterrp.c lib_getoptindp.c lib_getoptoptp.c lib_times.c
 CSRCS += lib_alarm.c lib_fstatvfs.c lib_statvfs.c lib_sleep.c lib_nice.c
 CSRCS += lib_usleep.c lib_seteuid.c lib_setegid.c lib_geteuid.c lib_getegid.c
-CSRCS += lib_setreuid.c lib_setregid.c lib_getrusage.c lib_utime.c
+CSRCS += lib_setreuid.c lib_setregid.c lib_getrusage.c lib_utime.c lib_utimes.c
 CSRCS += lib_setrlimit.c lib_getrlimit.c lib_setpriority.c lib_getpriority.c
-CSRCS += lib_futimes.c lib_gethostname.c lib_sethostname.c
+CSRCS += lib_futimes.c lib_lutimes.c lib_gethostname.c lib_sethostname.c
 
 ifneq ($(CONFIG_SCHED_USER_IDENTITY),y)
 CSRCS += lib_setuid.c lib_setgid.c lib_getuid.c lib_getgid.c

libs/libc/unistd/lib_lutimes.c

@@ -0,0 +1,47 @@
+/****************************************************************************
+ * libs/libc/unistd/lib_lutimes.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/stat.h>
+#include <sys/time.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int lutimes(FAR const char *path, const struct timeval tv[2])
+{
+  struct timespec times[2];
+
+  if (tv == NULL)
+    {
+      return lutimens(path, NULL);
+    }
+
+  times[0].tv_sec  = tv[0].tv_sec;
+  times[0].tv_nsec = tv[0].tv_usec * 1000;
+  times[1].tv_sec  = tv[1].tv_sec;
+  times[1].tv_nsec = tv[1].tv_usec * 1000;
+
+  return lutimens(path, times);
+}

libs/libc/unistd/lib_utimes.c

@@ -0,0 +1,47 @@
+/****************************************************************************
+ * libs/libc/unistd/lib_utimes.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/stat.h>
+#include <sys/time.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int utimes(FAR const char *path, const struct timeval tv[2])
+{
+  struct timespec times[2];
+
+  if (tv == NULL)
+    {
+      return utimens(path, NULL);
+    }
+
+  times[0].tv_sec  = tv[0].tv_sec;
+  times[0].tv_nsec = tv[0].tv_usec * 1000;
+  times[1].tv_sec  = tv[1].tv_sec;
+  times[1].tv_nsec = tv[1].tv_usec * 1000;
+
+  return utimens(path, times);
+}

syscall/syscall.csv

@@ -56,7 +56,7 @@
 "listen","sys/socket.h","defined(CONFIG_NET)","int","int","int"
 "lseek","unistd.h","","off_t","int","off_t","int"
 "lstat","sys/stat.h","","int","FAR const char *","FAR struct stat *"
-"lutimes","sys/time.h","","int","FAR const char *","const struct timeval [2]|FAR const struct timeval *"
+"lutimens","sys/stat.h","","int","FAR const char *","const struct timespec [2]|FAR const struct timespec *"
 "mkdir","sys/stat.h","!defined(CONFIG_DISABLE_MOUNTPOINT)","int","FAR const char *","mode_t"
 "mmap","sys/mman.h","","FAR void *","FAR void *","size_t","int","int","int","off_t"
 "modhandle","nuttx/module.h","defined(CONFIG_MODULE)","FAR void *","FAR const char *"
@@ -189,7 +189,7 @@
 "unlink","unistd.h","!defined(CONFIG_DISABLE_MOUNTPOINT)","int","FAR const char *"
 "unsetenv","stdlib.h","!defined(CONFIG_DISABLE_ENVIRON)","int","FAR const char *"
 "up_assert","nuttx/arch.h","","void","FAR const char *","int"
-"utimes","sys/time.h","","int","FAR const char *","const struct timeval [2]|FAR const struct timeval *"
+"utimens","sys/stat.h","","int","FAR const char *","const struct timespec [2]|FAR const struct timespec *"
 "vfork","unistd.h","defined(CONFIG_SCHED_WAITPID) && defined(CONFIG_ARCH_HAVE_VFORK)","pid_t"
 "wait","sys/wait.h","defined(CONFIG_SCHED_WAITPID) && defined(CONFIG_SCHED_HAVE_PARENT)","pid_t","FAR int *"
 "waitid","sys/wait.h","defined(CONFIG_SCHED_WAITPID) && defined(CONFIG_SCHED_HAVE_PARENT)","int","idtype_t","id_t"," FAR siginfo_t *","int"