[PATCH 1/3] Add and use latest <sys/timespec.h> from FreeBSD
Sebastian Huber
sebastian.huber at embedded-brains.de
Mon Mar 9 13:03:06 UTC 2015
This addresses a potential multiple definition problem and makes it
easier to use FreeBSD header files in Newlib.
newlib/ChangeLog
2015-03-09 Sebastian Huber <sebastian.huber at embedded-brains.de>
* libc/include/sys/_timespec.h: Import from FreeBSD.
* libc/include/sys/timespec.h: Likewise.
* libc/include/sys/types.h: Include <sys/timespec.h>.
(timespec): Delete.
(itimerspec): Likewise.
---
newlib/libc/include/sys/_timespec.h | 49 +++++++++++++++++++++++++++++
newlib/libc/include/sys/timespec.h | 63 +++++++++++++++++++++++++++++++++++++
newlib/libc/include/sys/types.h | 16 +---------
3 files changed, 113 insertions(+), 15 deletions(-)
create mode 100644 newlib/libc/include/sys/_timespec.h
create mode 100644 newlib/libc/include/sys/timespec.h
diff --git a/newlib/libc/include/sys/_timespec.h b/newlib/libc/include/sys/_timespec.h
new file mode 100644
index 0000000..bd66dfc
--- /dev/null
+++ b/newlib/libc/include/sys/_timespec.h
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)time.h 8.5 (Berkeley) 5/4/95
+ * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
+ * $FreeBSD$
+ */
+
+#ifndef _SYS__TIMESPEC_H_
+#define _SYS__TIMESPEC_H_
+
+#include <machine/types.h>
+
+#ifndef __time_t_defined
+typedef _TIME_T_ time_t;
+#define __time_t_defined
+#endif
+
+struct timespec {
+ time_t tv_sec; /* seconds */
+ long tv_nsec; /* and nanoseconds */
+};
+
+#endif /* !_SYS__TIMESPEC_H_ */
diff --git a/newlib/libc/include/sys/timespec.h b/newlib/libc/include/sys/timespec.h
new file mode 100644
index 0000000..2505cef
--- /dev/null
+++ b/newlib/libc/include/sys/timespec.h
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)time.h 8.5 (Berkeley) 5/4/95
+ * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_TIMESPEC_H_
+#define _SYS_TIMESPEC_H_
+
+#include <sys/cdefs.h>
+#include <sys/_timespec.h>
+
+#if __BSD_VISIBLE
+#define TIMEVAL_TO_TIMESPEC(tv, ts) \
+ do { \
+ (ts)->tv_sec = (tv)->tv_sec; \
+ (ts)->tv_nsec = (tv)->tv_usec * 1000; \
+ } while (0)
+#define TIMESPEC_TO_TIMEVAL(tv, ts) \
+ do { \
+ (tv)->tv_sec = (ts)->tv_sec; \
+ (tv)->tv_usec = (ts)->tv_nsec / 1000; \
+ } while (0)
+
+#endif /* __BSD_VISIBLE */
+
+/*
+ * Structure defined by POSIX.1b to be like a itimerval, but with
+ * timespecs. Used in the timer_*() system calls.
+ */
+struct itimerspec {
+ struct timespec it_interval;
+ struct timespec it_value;
+};
+
+#endif /* _SYS_TIMESPEC_H_ */
diff --git a/newlib/libc/include/sys/types.h b/newlib/libc/include/sys/types.h
index ed33e0a..280de5f 100644
--- a/newlib/libc/include/sys/types.h
+++ b/newlib/libc/include/sys/types.h
@@ -68,6 +68,7 @@ typedef quad_t * qaddr_t;
# include <stddef.h>
# include <machine/types.h>
+# include <sys/timespec.h>
/* To ensure the stat struct's layout doesn't change when sizeof(int), etc.
changes, we assume sizeof short and long never change and have all types
@@ -123,21 +124,6 @@ typedef _TIME_T_ time_t;
#define __time_t_defined
#endif
-#ifndef __timespec_defined
-#define __timespec_defined
-/* Time Value Specification Structures, P1003.1b-1993, p. 261 */
-
-struct timespec {
- time_t tv_sec; /* Seconds */
- long tv_nsec; /* Nanoseconds */
-};
-#endif
-
-struct itimerspec {
- struct timespec it_interval; /* Timer period */
- struct timespec it_value; /* Timer expiration */
-};
-
#ifndef __daddr_t_defined
typedef long daddr_t;
#define __daddr_t_defined
--
1.8.4.5
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