about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/sysconf.c
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1996-05-08 02:07:47 +0000
committerRoland McGrath <roland@gnu.org>1996-05-08 02:07:47 +0000
commit0e3426bbcf2ff61d06d580fc9362fde79953a281 (patch)
tree6bc37583e3ea48a41eb273fbb112613b51cf64e6 /sysdeps/unix/sysv/linux/sysconf.c
parentb928942eaa0401de9189a2709188f584425f5ca6 (diff)
downloadglibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.tar.gz
glibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.tar.xz
glibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.zip
Tue May 7 19:00:01 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
	* string/argz-extract.c: Remove const from decl.
	* string/argz.h: Here too.

	* Makeconfig (version.mk): Fix regexp in sed cmd.
	Depend on $(..)Makeconfig.

	* GMP code updated from gmp-2.0 release.
	* stdlib/Makefile (mpn-routines): Removed add_1, added inlines.
	* sysdeps/generic/add_1.c: File removed.
	* stdlib/strtod.c: mp_limb is now mp_limb_t.
	* stdlib/fpioconst.c, stdlib/fpioconst.h: Likewise.
	* stdio-common/_itoa.c: Likewise.
	* stdio-common/printf_fp.c: Likewise.
	Don't include ansidecl.h.

	* sysdeps/mach/hurd/getcwd.c: Use io_identity instead of io_stat.

	* shlib-versions: New file.
	* Makerules (soversions.mk): New target, include file generated from
	shlib-versions.  Moved shared library rules before installation rules.
	Rewrote shared library installation rules for versioned libraries.
	* math/Makefile (libm.so-version): Variable removed.

	* sysdeps/mach/hurd/i386/exc2signal.c: Use struct hurd_signal_detail.

	* hurd/report-wait.c (_S_msg_describe_ports): New function.

	* configure.in: Add AC_PROG_LN_S check.
	* config.make.in (LN_S): New variable.

Sun May  5 03:10:44 1996  Ulrich Drepper  <drepper@cygnus.com>

	* misc/efgcvt_r.c (ecvt_r): Work aroung gcc bug.  gcc does
	not know about weak aliases now and optimizes necessary `if'
	statement away.

	* posix/unistd.h: Add swapoff prototype.

	* sysdeps/generic/confname.h: Add even more POSIX.4 symbols.

	* sysdeps/posix/fpathconf.c (__fpathconf): Get information
	for _PC_PATH_MAX from fstatfs function if available.

	* sysdeps/posix/sysconf.c: Add code to handle _SC_AIO_LISTIO_MAX,
	_SC_AIO_MAX, _SC_AIO_PRIO_DELTA_MAX, _SC_DELAYTIMER_MAX,
	_SC_MQ_OPEN_MAX, _SC_MQ_PRIO_MAX, _SC_RTSIG_MAX,
	_SC_SEM_NSEMS_MAX, _SC_SEM_VALUE_MAX, _SC_SIGQUEUE_MAX, and
	_SC_TIMER_MAX.
	* sysdeps/unix/sysv/sysv4/sysconf.c: Ditto.

	* sysdeps/stub/swapoff.c: New file.  Stub version for swapoff
	function.

	* sysdeps/unix/syscalls.list:  Add swapoff.

	* sysdeps/unix/sysv/linux/Dist: Add sys/acct.h.

	* sysdeps/unix/sysv/linux/Makefile [$(subdir) == misc]
	(sysdep_routines): Add mount, umount, llseek, setfsgid, setfsuid,
	sysinfo, and uselib.
	(headers): Add sys/sysinfo.h.

	* sysdeps/unix/sysv/linux/gethostid.c: Prevent warning.

	* sysdeps/unix/sysv/linux/i386/Makefile [$(subdir) == misc]
	(sysdep_routines): Add ioperm, iopl, and vm86.
	(headers): Add sys/perm.h and sys/vm86.h.

	* sysdeps/unix/sysv/linux/i386/sys/perm.h: New file.  Contains
	prototypes for iopl and ioperm.

	* sysdeps/unix/sysv/linux/i386/sys/vm86.h:  New file.  Contains
	prototype for vm86.

	* sysdeps/unix/sysv/linux/i386/syscalls.list: New file.  Add
	vm86 system call.

	* sysdeps/unix/sysv/linux/sys/acct.h: New file.  Contains
	prototypes for acct function.

	* sysdeps/unix/sysv/linux/sys/socket.h: Provide real header
	file with prototypes.

	* sysdeps/unix/sysv/linux/sys/sysinfo.h: New file.  Contains
	prototype for sysinfo function.

	* sysdeps/unix/sysv/linux/syscalls.list: Add flock, ioperm, iopl,
	llseek, setfsgid, setfsuid, sysinfo, and uselib.

	* sysdeps/unix/sysv/linux/sysconf.c: Instead of duplicating
	posix/sysconf.c now only handle cases different to that
	implementation.

Tue May  7 15:08:19 1996  Miles Bader  <miles@gnu.ai.mit.edu>

	* stdio/linewrap.c (__line_wrap_output): Renamed from lwoutput
	(all references changed).  Now exported.

	* stdio/linewrap.c (struct data): Type deleted (moved to linewrap.h).
	(wrap_stream, unwrap_stream, lwclose, lwfileno, lwoutput,
	line_wrap_stream, line_unwrap_stream): Use struct line_wrap_data
	instead of struct data.
	(lwoutput, line_wrap_stream, line_unwrap_stream): Rename various
	occurences of `wrap' and `wrapmargin' to `wmargin'.
	(line_wrapped, line_wrap_lmargin, line_wrap_set_lmargin,
	line_wrap_rmargin, line_wrap_set_rmargin, line_wrap_wmargin,
	line_wrap_set_wmargin, line_wrap_point): New functions.
	* stdio/linewrap.h: New file.
	* stdio/Makefile (headers): Add linewrap.h.

Tue May  7 14:19:12 1996  Roland McGrath  <roland@delasyd.gnu.ai.mit.edu>

	* sysdeps/unix/sysv/linux/i386/Makefile: File removed.

	* stdio/stdio.h: Remove line_wrap_stream, line_unwap_stream decls.

	* sysdeps/unix/sysv/linux/schedbits.h: New file.

Tue May  7 13:47:02 1996  Miles Bader  <miles@gnu.ai.mit.edu>

	* stdio/linewrap.c (struct data): Make margin fields not-pointers.
	(lwoutput): Adjust uses acordingly.

	* sysdeps/mach/hurd/fdatasync.c: New file.
	* sysdeps/mach/hurd/fsync.c: Pass new flag to file_sync.

	* sysdeps/mach/hurd/xmknod.c: Pass new flag to dir_link.
	* sysdeps/mach/hurd/symlink.c: Likewise.
	* sysdeps/mach/hurd/link.c: Likewise.
	* sysdeps/mach/hurd/bind.c: Likewise.
	* hurd/hurdsig.c (write_corefile): Likewise.

	* hurd/hurdsig.c (write_corefile): Pass cttyid port to crash server.

	* sysdeps/mach/hurd/fpathconf.c: RPC takes int pointer, not long int.

	* sysdeps/mach/hurd/_exit.c (_hurd_exit): Pass sigcode arg to
	proc_mark_exit.
	* sysdeps/mach/hurd/dl-sysdep.c (_exit): Likewise.

	* sysdeps/mach/hurd/wait4.c: Pass sigcode arg to proc_wait.

	* sysdeps/mach/hurd/rename.c: Pass new flag to dir_rename.

	* hurd/hurdfault.c (_hurdsig_fault_catch_exception_raise): Use struct
	hurd_signal_detail.
	* hurd/catch-exc.c (_S_catch_exception_raise): Likewise.
	* hurd/hurd-raise.c (_hurd_raise_signal): Likewise.
	* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
	Likewise.
	* sysdeps/mach/hurd/setitimer.c (restart_itimer): Likewise.

	* hurd/hurd/signal.h: Fix _hurd_exception2signal prototype.

	* hurd/hurdsig.c (write_corefile): Take const struct
	hurd_signal_detail * arg.  Pass all details to crash_dump_task.
	(_hurd_internal_post_signal): Pass DETAIL to write_corefile.
	(_hurd_internal_post_signal: suspend): Pass code and error to
	proc_mark_stop.

	* hurd/hurdprio.c (_hurd_priority_which_map): Pass flags arg to
	proc_getprocinfo by reference.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sysconf.c')
-rw-r--r--sysdeps/unix/sysv/linux/sysconf.c294
1 files changed, 14 insertions, 280 deletions
diff --git a/sysdeps/unix/sysv/linux/sysconf.c b/sysdeps/unix/sysv/linux/sysconf.c
index d658165b07..2ae584f164 100644
--- a/sysdeps/unix/sysv/linux/sysconf.c
+++ b/sysdeps/unix/sysv/linux/sysconf.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1991, 1993, 1995, 1996 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1995, 1996 Free Software Foundation, Inc.
 
 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
@@ -13,291 +12,26 @@ 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., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* On Linux we must not ask __getdtablesize for te value for _SC_OPEN_MAX
+   because this would mean an endless loop.  */
 
-#include <ansidecl.h>
-#include <errno.h>
 #include <limits.h>
 #include <unistd.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <time.h>
 
-extern size_t EXFUN(__getpagesize, (NOARGS));
+extern long int __default_sysconf (int name);
 
-/* Get the value of the system variable NAME.  */
 long int
-DEFUN(__sysconf, (name), int name)
+__sysconf (int name)
 {
-  switch (name)
-    {
-    default:
-      errno = EINVAL;
-      return -1;
-
-    case _SC_ARG_MAX:
-#ifdef	ARG_MAX
-      return ARG_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_CHILD_MAX:
-#ifdef	CHILD_MAX
-      return CHILD_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_CLK_TCK:
-#ifdef	CLK_TCK
-      return CLK_TCK;
-#else
-      return 60;
-#endif
-
-    case _SC_NGROUPS_MAX:
-#ifdef	NGROUPS_MAX
-      return NGROUPS_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_OPEN_MAX:
-      return OPEN_MAX;
-
-    case _SC_STREAM_MAX:
-#ifdef	STREAM_MAX
-      return STREAM_MAX;
-#else
-      return FOPEN_MAX;
-#endif
-
-    case _SC_TZNAME_MAX:
-      return __tzname_max ();
-
-    case _SC_JOB_CONTROL:
-#ifdef	_POSIX_JOB_CONTROL
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_SAVED_IDS:
-#ifdef	_POSIX_SAVED_IDS
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_REALTIME_SIGNALS:
-#ifdef	_POSIX_REALTIME_SIGNALS
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_PRIORITY_SCHEDULING:
-#ifdef	_POSIX_PRIORITY_SCHEDULING
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_TIMERS:
-#ifdef	_POSIX_TIMERS
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_ASYNCHRONOUS_IO:
-#ifdef	_POSIX_ASYNCHRONOUS_IO
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_PRIORITIZED_IO:
-#ifdef	_POSIX_PRIORITIZED_IO
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_SYNCHRONIZED_IO:
-#ifdef	_POSIX_SYNCHRONIZED_IO
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_FSYNC:
-#ifdef	_POSIX_FSYNC
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_MAPPED_FILES:
-#ifdef	_POSIX_MAPPED_FILES
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_MEMLOCK:
-#ifdef	_POSIX_MEMLOCK
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_MEMLOCK_RANGE:
-#ifdef	_POSIX_MEMLOCK_RANGE
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_MEMORY_PROTECTION:
-#ifdef	_POSIX_MEMORY_PROTECTION
-      return 1;
-#else
-      return -1;
-#endif
+  if (name == _SC_OPEN_MAX)
+    return OPEN_MAX;
 
-    case _SC_MESSAGE_PASSING:
-#ifdef	_POSIX_MESSAGE_PASSING
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_SEMAPHORES:
-#ifdef	_POSIX_SEMAPHORES
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_SHARED_MEMORY_OBJECTS:
-#ifdef	_POSIX_SHARED_MEMORY_OBJECTS
-      return 1;
-#else
-      return -1;
-#endif
-
-    case _SC_VERSION:
-      return _POSIX_VERSION;
-
-    case _SC_PAGESIZE:
-      return __getpagesize ();
-
-    case _SC_BC_BASE_MAX:
-#ifdef	BC_BASE_MAX
-      return BC_BASE_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_BC_DIM_MAX:
-#ifdef	BC_DIM_MAX
-      return BC_DIM_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_BC_SCALE_MAX:
-#ifdef	BC_SCALE_MAX
-      return BC_SCALE_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_BC_STRING_MAX:
-#ifdef	BC_STRING_MAX
-      return BC_STRING_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_EQUIV_CLASS_MAX:
-#ifdef	EQUIV_CLASS_MAX
-      return EQUIV_CLASS_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_EXPR_NEST_MAX:
-#ifdef	EXPR_NEST_MAX
-      return EXPR_NEST_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_LINE_MAX:
-#ifdef	LINE_MAX
-      return LINE_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_RE_DUP_MAX:
-#ifdef	RE_DUP_MAX
-      return RE_DUP_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_CHARCLASS_NAME_MAX:
-#ifdef	CHARCLASS_NAME_MAX
-      return CHARCLASS_NAME_MAX;
-#else
-      return -1;
-#endif
-
-    case _SC_2_VERSION:
-      /* This is actually supposed to return the version
-	 of the 1003.2 utilities on the system {POSIX2_VERSION}.  */
-      return _POSIX2_C_VERSION;
-
-    case _SC_2_C_BIND:
-#ifdef	_POSIX2_C_BIND
-      return _POSIX2_C_BIND;
-#else
-      return -1;
-#endif
-
-    case _SC_2_C_DEV:
-#ifdef	_POSIX2_C_DEV
-      return _POSIX2_C_DEV;
-#else
-      return -1;
-#endif
-
-    case _SC_2_FORT_DEV:
-#ifdef	_POSIX2_FORT_DEV
-      return _POSIX2_FORT_DEV;
-#else
-      return -1;
-#endif
-
-    case _SC_2_LOCALEDEF:
-#ifdef	_POSIX2_LOCALEDEF
-      return _POSIX2_LOCALEDEF;
-#else
-      return -1;
-#endif
-
-    case _SC_2_SW_DEV:
-#ifdef	_POSIX2_SW_DEV
-      return _POSIX2_SW_DEV;
-#else
-      return -1;
-#endif
-    }
+  return __default_sysconf (name);
 }
 
-weak_alias (__sysconf, sysconf)
+#define __sysconf __default_sysconf
+
+#include <sysdeps/posix/sysconf.c>