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author | Roland McGrath <roland@gnu.org> | 1996-05-08 02:07:47 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-05-08 02:07:47 +0000 |
commit | 0e3426bbcf2ff61d06d580fc9362fde79953a281 (patch) | |
tree | 6bc37583e3ea48a41eb273fbb112613b51cf64e6 /sysdeps/unix/sysv/linux/sysconf.c | |
parent | b928942eaa0401de9189a2709188f584425f5ca6 (diff) | |
download | glibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.zip glibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.tar.gz glibc-0e3426bbcf2ff61d06d580fc9362fde79953a281.tar.bz2 |
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.c | 294 |
1 files changed, 14 insertions, 280 deletions
diff --git a/sysdeps/unix/sysv/linux/sysconf.c b/sysdeps/unix/sysv/linux/sysconf.c index d658165..2ae584f 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> |