Sun Apr 28 14:14:35 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>

	* sysdeps/unix/sysv/linux/i386/Makefile: New file.

Wed Apr 24 17:35:30  Ulrich Drepper  <drepper@cygnus.com>

	* inet/netinet/in.h, socket/sys/socket.h: Move to
	sysdeps/generic/netinet/in.h, sysdeps/generic/sys/socket.h.
	* netinet/in.h, sys/socket.h: Remove file.

	* misc/Makefile (routines): Add fdatasync.

	* posix/Makefile (headers): Add sched.h.
	(routines): Add nanosleep, sched_setp, sched_getp, sched_sets,
	sched_gets, sched_yield, sched_primax, sched_primin, sched_rr_gi.

	* posix/getconf.c (vars): Add entries for _POSIX_REALTIME_SIGNALS,
	_POSIX_PRIORITY_SCHEDULING, _POSIX_TIMERS, _POSIX_ASYNCHRONOUS_IO,
	_POSIX_PRIORITIZED_IO, _POSIX_SYNCHRONIZED_IO, _POSIX_FSYNC,
	_POSIX_MAPPED_FILES, _POSIX_MEMLOCK, _POSIX_MEMLOCK_RANGE,
	_POSIX_MEMORY_PROTECTION, _POSIX_MESSAGE_PASSING,
	_POSIX_SEMAPHORES, _POSIX_SHARED_MEMORY_OBJECTS.

	* posix/sched.h: New file.  Header for POSIX scheduling interface.

	* posix/unistd.h: Describe options from POSIX.4.
	Add declaration of fdatasync.

	* sysdeps/generic/confname.h: Add definition for
	 _SC_REALTIME_SIGNALS, _SC_PRIORITY_SCHEDULING, _SC_TIMERS,
	_SC_ASYNCHRONOUS_IO, _SC_PRIORITIZED_IO, _SC_SYNCHRONIZED_IO,
	_SC_FSYNC, _SC_MAPPED_FILES, _SC_MEMLOCK, _SC_MEMLOCK_RANGE,
	_SC_MEMORY_PROTECTION, _SC_MESSAGE_PASSING,
	_SC_SEMAPHORES, _SC_SHARED_MEMORY_OBJECTS.

	* sysdeps/generic/fdatasync.c: New file.  Default implementation
	simply uses fsync.

	* sysdeps/generic/netinit/in.h: Moved to here from inet/netinet/in.h.

	* sysdeps/generic/schedbits.h: New file.  System dependent
	defintion for POSIX.4 scheduling interface.

	* sysdeps/generic/sys/socket.h: Moved to here from socket/sys/socket.h.

	* sysdeps/stub/nanosleep.c, sysdeps/stub/sched_getp.c,
	sysdeps/stub/sched_gets.c, sysdeps/stub/sched_primax.c,
	sysdeps/stub/sched_primin.c, sysdeps/stub/sched_rr_gi.c,
	sysdeps/stub/sched_setp.c, sysdeps/stub/sched_sets.c,
	sysdeps/stub/sched_yield.c: New file:  Stub implementation
	for systems missing these POSIX.4 system calls.

	* sysdeps/unix/sysv/linux/gnu/types.h,
	sysdeps/unix/sysv/linux/ioctls.h: Use kernel header for
	data type definitions.

	* sysdeps/unix/sysv/linux/netinet/in.h: New file.  Linux
	specific version.

	* sysdeps/unix/sysv/linux/posix_opt.h: New file.  Define POSIX
	options applicable for Linux.

	* sysdeps/unix/sysv/linux/syscalls.list: Add definitions for
	fdatasync, nanosleep, sched_setparam, sched_getparam,
	sched_setscheduler, sched_getscheduler, sched_yield,
	sched_get_priority_max, sched_get_priority_min, and
	sched_rr_get_interval.

	* sysdeps/unix/sysv/linux/sysconf.c: Add handling of POSIX.4
	options.

	* sysdeps/unix/sysv/linux/termbits.h: Use kernel headers.

	* time/sys/time.h: Remove definition of `struct timespec'.

	* time/time.h (struct timespec): Move definition to here.

 	variable, LUCKY, to use instead of setting D to -1 (which fouls

4 files changed, 120 insertions, 10 deletions

diff --git a/posix/Makefile b/posix/Makefile
index 052c17c21c..8c7ac92bc4 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -21,10 +21,11 @@
 #
 subdir	:= posix
 
-headers	:= sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h	\
-	   glob.h regex.h wordexp.h fnmatch.h gnu/types.h getopt.h	\
-	   posix1_lim.h posix2_lim.h posix_opt.h local_lim.h tar.h	\
-	   utsnamelen.h confname.h waitflags.h waitstatus.h sys/unistd.h
+headers	:= sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h	      \
+	   glob.h regex.h wordexp.h fnmatch.h gnu/types.h getopt.h	      \
+	   posix1_lim.h posix2_lim.h posix_opt.h local_lim.h tar.h	      \
+	   utsnamelen.h confname.h waitflags.h waitstatus.h sys/unistd.h      \
+	   sched.h
 
 distribute := confstr.h
 
@@ -32,7 +33,7 @@ routines :=								      \
 	uname								      \
 	times								      \
 	wait waitpid wait3 wait4					      \
-	alarm sleep pause						      \
+	alarm sleep pause nanosleep					      \
 	fork vfork _exit	      					      \
 	execve fexecve execv execle execl execvp execlp			      \
 	getpid getppid							      \
@@ -42,7 +43,10 @@ routines :=								      \
 	pathconf sysconf fpathconf					      \
 	glob fnmatch regex						      \
 	confstr								      \
-	getopt getopt1
+	getopt getopt1							      \
+	sched_setp sched_getp sched_sets sched_gets sched_yield sched_primax  \
+	sched_primin sched_rr_gi
+
 aux		:= init-posix environ
 tests		:= tstgetopt testfnm
 others		:= getconf
diff --git a/posix/getconf.c b/posix/getconf.c
index 7423a77225..bf13fb447d 100644
--- a/posix/getconf.c
+++ b/posix/getconf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996 Free Software Foundation, Inc.
 This file is part of the GNU C Library.
 
 The GNU C Library is free software; you can redistribute it and/or
@@ -49,6 +49,20 @@ static struct conf vars[] =
     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
+    { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
+    { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
+    { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
+    { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
+    { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
+    { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
+    { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
+    { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
+    { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
+    { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
+    { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
+    { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
+    { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
+    { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
 
     { "PATH", _CS_PATH, CONFSTR },
diff --git a/posix/sched.h b/posix/sched.h
new file mode 100644
index 0000000000..026a5e2f20
--- /dev/null
+++ b/posix/sched.h
@@ -0,0 +1,72 @@
+/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#ifndef	_SCHED_H
+#define	_SCHED_H	1
+
+#include <features.h>
+
+/* Get type definitions.  */
+#include <gnu/types.h>
+#include <sys/time.h>		/* for struct timespec */
+
+/* Get system specific constant and data structure definitions.  */
+#include <schedbits.h>
+
+__BEGIN_DECLS
+
+/* Set scheduling parameters for a process.  */
+extern int __sched_setparam __P ((__pid_t __pid,
+				  __const struct sched_param *__param));
+extern int sched_setparam __P ((__pid_t __pid,
+				__const struct sched_param *__param));
+
+/* Retrieve scheduling parameters for a particular process.  */
+extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
+extern int sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
+
+/* Set scheduling algorithm and/or parameters for a process.  */
+extern int __sched_setscheduler __P ((__pid_t __pid, int __policy,
+				      __const struct sched_param *__param));
+extern int sched_setscheduler __P ((__pid_t __pid, int __policy,
+				    __const struct sched_param *__param));
+
+/* Retrieve scheduling algorithm for a particular purpose.  */
+extern int __sched_getscheduler __P ((__pid_t __pid));
+extern int sched_getscheduler __P ((__pid_t __pid));
+
+/* Yield the processor.  */
+extern int __sched_yield __P ((void));
+extern int sched_yield __P ((void));
+
+/* Get maximum priority value for a scheduler.  */
+extern int __sched_get_priority_max __P ((int __algorithm));
+extern int sched_get_priority_max __P ((int __algorithm));
+
+/* Get minimum priority value for a scheduler.  */
+extern int __sched_get_priority_min __P ((int __algorithm));
+extern int sched_get_priority_min __P ((int __algorithm));
+
+/* Get the SCHED_RR interval for the named process.  */
+extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
+extern int sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
+
+__END_DECLS
+
+#endif /* sched.h */
diff --git a/posix/unistd.h b/posix/unistd.h
index 0fc3d7bb92..6818699104 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -61,9 +61,23 @@ __BEGIN_DECLS
    always available.  If not, they may be available sometimes.
    The current values can be obtained with `sysconf'.
 
-   _POSIX_JOB_CONTROL	Job control is supported.
-   _POSIX_SAVED_IDS	Processes have a saved set-user-ID
-   			and a saved set-group-ID.
+   _POSIX_JOB_CONTROL		Job control is supported.
+   _POSIX_SAVED_IDS		Processes have a saved set-user-ID
+   				and a saved set-group-ID.
+   _POSIX_REALTIME_SIGNALS	Real-time, queued signals are supported.
+   _POSIX_PRIORITY_SCHEDULING	Priority scheduling is supported.
+   _POSIX_TIMERS		POSIX.4 clocks and timers are supported.
+   _POSIX_ASYNCHRONOUS_IO	Asynchronous I/O is supported.
+   _POSIX_PRIORITIZED_IO	Prioritized asynchronous I/O is supported.
+   _POSIX_SYNCHRONIZED_IO	Synchronizing file data is supported.
+   _POSIX_FSYNC			The fsync function is present.
+   _POSIX_MAPPED_FILES		Mapping of files to memory is supported.
+   _POSIX_MEMLOCK		Locking of all memory is supported.
+   _POSIX_MEMLOCK_RANGE		Locking of ranges of memory is supported.
+   _POSIX_MEMORY_PROTECTION	Setting of memory protections is supported.
+   _POSIX_MESSAGE_PASSING	POSIX.4 message queues are supported.
+   _POSIX_SEMAPHORES		POSIX.4 counting semaphores are supported.
+   _POSIX_SHARED_MEMORY_OBJECTS	POSIX.4 shared memory objects are supported.
 
    If any of these symbols is defined as -1, the corresponding option is not
    true for any file.  If any is defined as other than -1, the corresponding
@@ -732,6 +746,12 @@ extern int lockf __P ((int __fd, int __cmd, __off_t __len));
 
 #endif
 
+#ifdef __USE_POSIX
+/* Synchronize at least the data part of a file with the underlying
+   media.  */
+extern int fdatasync __P ((int __fildes));
+#endif /* Use POSIX */
+
 __END_DECLS
 
 #endif /* unistd.h  */