diff options
author | Arnaud Charlet <charlet@act-europe.fr> | 2004-05-14 12:02:00 +0200 |
---|---|---|
committer | Arnaud Charlet <charlet@gcc.gnu.org> | 2004-05-14 12:02:00 +0200 |
commit | 084c663c9911a6649407b9956d9d2d59499cd03c (patch) | |
tree | ad67eadab2c2032169ff2f33eb289b29a4e7e3a9 /gcc/ada/s-osprim-vms.ads | |
parent | 02ea8d06bf236a38614eb0c88944e87df3b373f3 (diff) | |
download | gcc-084c663c9911a6649407b9956d9d2d59499cd03c.tar.gz |
Renaming of target specific files for clarity
* Makefile.in: Rename GNAT target specific files.
* 31soccon.ads, 31soliop.ads 35soccon.ads, 3asoccon.ads,
3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3psoccon.ads,
3ssoccon.ads, 3ssoliop.ads, 3veacodu.adb, 3vexpect.adb,
3vsoccon.ads, 3vsocthi.adb, 3vsocthi.ads, 3vtrasym.adb,
3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads, 3wsoliop.ads,
3zsoccon.ads, 3zsocthi.adb, 3zsocthi.ads, 41intnam.ads,
42intnam.ads, 45intnam.ads, 4aintnam.ads, 4cintnam.ads,
4gintnam.ads, 4hexcpol.adb, 4hintnam.ads, 4lintnam.ads,
4nintnam.ads, 4ointnam.ads, 4onumaux.ads, 4pintnam.ads,
4sintnam.ads, 4vcaldel.adb, 4vcalend.adb, 4vcalend.ads,
4vintnam.ads, 4wcalend.adb, 4wexcpol.adb, 4wintnam.ads,
4zintnam.ads, 4znumaux.ads, 4zsytaco.adb, 4zsytaco.ads,
51osinte.adb, 51osinte.ads, 51system.ads,
52osinte.adb, 52osinte.ads, 53osinte.ads, 54osinte.ads,
55osinte.adb, 55osinte.ads, 55system.ads, 56osinte.adb,
56osinte.ads, 56system.ads, 56taprop.adb, 56taspri.ads,
56tpopsp.adb, 57system.ads, 58system.ads,
5amastop.adb, 5aml-tgt.adb, 5aosinte.adb, 5aosinte.ads,
5asystem.ads, 5ataprop.adb, 5atasinf.ads, 5ataspri.ads,
5atpopsp.adb, 5avxwork.ads, 5bml-tgt.adb, 5bosinte.adb,
5bosinte.ads, 5bsystem.ads, 5cosinte.ads, 5csystem.ads,
5dsystem.ads, 5esystem.ads, 5fintman.adb, 5fosinte.adb,
5fosinte.ads, 5fsystem.ads, 5ftaprop.adb, 5ftasinf.ads,
5ginterr.adb, 5gintman.adb, 5gmastop.adb, 5gml-tgt.adb,
5gosinte.ads, 5gproinf.adb, 5gproinf.ads, 5gsystem.ads,
5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5gtpgetc.adb,
5hml-tgt.adb, 5hosinte.adb, 5hosinte.ads, 5hparame.ads,
5hsystem.ads, 5htaprop.adb, 5htaspri.ads, 5htraceb.adb,
5iosinte.adb, 5iosinte.ads, 5itaprop.adb, 5itaspri.ads,
5ksystem.ads, 5kvxwork.ads, 5lml-tgt.adb, 5losinte.ads,
5lparame.adb, 5lsystem.ads, 5msystem.ads, 5mvxwork.ads,
5ninmaop.adb, 5nintman.adb, 5nosinte.ads, 5nsystem.ads,
5ntaprop.adb, 5ntaspri.ads, 5ointerr.adb, 5omastop.adb,
5oosinte.adb, 5oosinte.ads, 5oosprim.adb, 5oparame.adb,
5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5posinte.ads,
5posprim.adb, 5psystem.ads, 5pvxwork.ads, 5sintman.adb,
5sml-tgt.adb, 5sosinte.adb, 5sosinte.ads, 5sosprim.adb,
5sparame.adb, 5ssystem.ads, 5staprop.adb, 5stasinf.adb,
5stasinf.ads, 5staspri.ads, 5stpopsp.adb, 5svxwork.ads,
5tosinte.ads, 5usystem.ads, 5vasthan.adb, 5vdirval.adb,
5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vintman.ads,
5vmastop.adb, 5vml-tgt.adb, 5vosinte.adb, 5vosinte.ads,
5vosprim.adb, 5vosprim.ads, 5vparame.ads, 5vsymbol.adb,
5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads, 5vtpopde.adb,
5vtpopde.ads, 5vtraent.adb, 5vtraent.ads, 5vvaflop.adb,
5wdirval.adb, 5wgloloc.adb, 5wintman.adb, 5wmemory.adb,
5wml-tgt.adb, 5wosinte.ads, 5wosprim.adb, 5wsystem.ads,
5wtaprop.adb, 5wtaspri.ads, 5xparame.ads, 5xsystem.ads,
5xvxwork.ads, 5yparame.ads, 5ysystem.ads, 5zinterr.adb,
5zintman.adb, 5zintman.ads, 5zml-tgt.adb, 5zosinte.adb,
5zosinte.ads, 5zosprim.adb, 5zparame.ads, 5zstchop.adb,
5zsystem.ads, 5ztaprop.adb, 5ztaspri.ads, 5ztfsetr.adb,
5ztpopsp.adb, 6vcpp.adb, 6vcstrea.adb, 6vinterf.ads,
7sinmaop.adb, 7sintman.adb, 7sosinte.adb, 7sosprim.adb,
7staprop.adb, 7staspri.ads, 7stfsetr.adb, 7stpopsp.adb,
7straceb.adb, 7straces.adb, 7strafor.adb, 7strafor.ads,
7stratas.adb, 86numaux.adb, 86numaux.ads: Replaced by files below.
* a-caldel-vms.adb, a-calend-mingw.adb, a-calend-vms.adb,
a-calend-vms.ads, a-dirval-mingw.adb, a-dirval-vms.adb,
a-excpol-abort.adb, a-excpol-interix.adb, a-intnam-aix.ads,
a-intnam-dummy.ads, a-intnam-freebsd.ads, a-intnam-hpux.ads,
a-intnam-interix.ads, a-intnam-irix.ads, a-intnam-linux.ads,
a-intnam-lynxos.ads, a-intnam-mingw.ads, a-intnam-os2.ads,
a-intnam-solaris.ads, a-intnam-tru64.ads, a-intnam-unixware.ads,
a-intnam-vms.ads, a-intnam-vxworks.ads, a-numaux-libc-x86.ads,
a-numaux-vxworks.ads, a-numaux-x86.adb, a-numaux-x86.ads,
a-sytaco-vxworks.adb, a-sytaco-vxworks.ads, g-eacodu-vms.adb,
g-expect-vms.adb, g-soccon-aix.ads, g-soccon-freebsd.ads,
g-soccon-hpux.ads, g-soccon-interix.ads, g-soccon-irix.ads,
g-soccon-mingw.ads, g-soccon-solaris.ads, g-soccon-tru64.ads,
g-soccon-unixware.ads, g-soccon-vms.adb, g-soccon-vxworks.ads,
g-socthi-mingw.adb, g-socthi-mingw.ads, g-socthi-vms.adb,
g-socthi-vms.ads, g-socthi-vxworks.adb, g-socthi-vxworks.ads,
g-soliop-mingw.ads, g-soliop-solaris.ads, g-soliop-unixware.ads,
g-trasym-vms.adb, i-cpp-vms.adb, i-cstrea-vms.adb,
interfac-vms.ads, mlib-tgt-aix.adb, mlib-tgt-hpux.adb,
mlib-tgt-irix.adb, mlib-tgt-linux.adb, mlib-tgt-mingw.adb,
mlib-tgt-solaris.adb, mlib-tgt-tru64.adb, mlib-tgt-vms.adb,
mlib-tgt-vxworks.adb, s-asthan-vms.adb, s-gloloc-mingw.adb,
s-inmaop-dummy.adb, s-inmaop-posix.adb, s-inmaop-vms.adb,
s-interr-dummy.adb, s-interr-sigaction.adb, s-interr-vms.adb,
s-interr-vxworks.adb, s-intman-dummy.adb, s-intman-irix.adb,
s-intman-irix-athread.adb, s-intman-mingw.adb, s-intman-posix.adb,
s-intman-solaris.adb, s-intman-vms.adb, s-intman-vms.ads,
s-intman-vxworks.adb, s-intman-vxworks.ads, s-mastop-irix.adb,
s-mastop-tru64.adb, s-mastop-vms.adb, s-mastop-x86.adb,
s-memory-mingw.adb, s-osinte-aix.adb, s-osinte-aix.ads,
s-osinte-aix-fsu.ads, s-osinte-dummy.ads, s-osinte-freebsd.adb,
s-osinte-freebsd.ads, s-osinte-fsu.adb, s-osinte-hpux.ads,
s-osinte-hpux-dce.adb, s-osinte-hpux-dce.ads, s-osinte-interix.ads,
s-osinte-irix.adb, s-osinte-irix.ads, s-osinte-irix-athread.ads,
s-osinte-linux.ads, s-osinte-linux-fsu.ads, s-osinte-linux-ia64.ads,
s-osinte-lynxos-3.adb, s-osinte-lynxos-3.ads, s-osinte-lynxos.adb,
s-osinte-lynxos.ads, s-osinte-mingw.ads, s-osinte-os2.adb,
s-osinte-os2.ads, s-osinte-posix.adb, s-osinte-solaris.adb,
s-osinte-solaris.ads, s-osinte-solaris-fsu.ads,
s-osinte-solaris-posix.ads, s-osinte-tru64.adb, s-osinte-tru64.ads,
s-osinte-unixware.adb, s-osinte-unixware.ads, s-osinte-vms.adb,
s-osinte-vms.ads, s-osinte-vxworks.adb,
s-osinte-vxworks.ads, s-osprim-mingw.adb,
s-osprim-os2.adb, s-osprim-posix.adb, s-osprim-solaris.adb,
s-osprim-unix.adb, s-osprim-vms.adb, s-osprim-vms.ads,
s-osprim-vxworks.adb, s-parame-ae653.ads, s-parame-hpux.ads,
s-parame-linux.adb, s-parame-os2.adb, s-parame-solaris.adb,
s-parame-vms.ads, s-parame-vms-restrict.ads, s-parame-vxworks.ads,
s-proinf-irix-athread.adb, s-proinf-irix-athread.ads,
s-stchop-vxworks.adb, s-taprop-dummy.adb,
s-taprop-hpux-dce.adb, s-taprop-irix.adb,
s-taprop-irix-athread.adb, s-taprop-linux.adb, s-taprop-lynxos.adb,
s-taprop-mingw.adb, s-taprop-os2.adb, s-taprop-posix.adb,
s-taprop-solaris.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
s-taprop-vxworks.adb, s-tasinf-irix.ads, s-tasinf-irix-athread.adb,
s-tasinf-irix-athread.ads, s-tasinf-solaris.adb, s-tasinf-solaris.ads,
s-tasinf-tru64.ads, s-taspri-dummy.ads, s-taspri-hpux-dce.ads,
s-taspri-linux.ads, s-taspri-lynxos.ads, s-taspri-mingw.ads,
s-taspri-os2.ads, s-taspri-posix.ads, s-taspri-solaris.ads,
s-taspri-tru64.ads, s-taspri-vms.ads, s-taspri-vxworks.ads,
s-tfsetr-default.adb, s-tfsetr-vxworks.adb, s-tpopde-vms.adb,
s-tpopde-vms.ads, s-tpopsp-lynxos.adb, s-tpopsp-posix.adb,
s-tpopsp-posix-foreign.adb, s-tpopsp-solaris.adb, s-tpopsp-vxworks.adb,
s-traceb-hpux.adb, s-traceb-mastop.adb, s-traces-default.adb,
s-traent-vms.adb, s-traent-vms.ads, s-trafor-default.adb,
s-trafor-default.ads, s-tratas-default.adb, s-vaflop-vms.adb,
s-vxwork-alpha.ads, s-vxwork-m68k.ads, s-vxwork-mips.ads,
s-vxwork-ppc.ads, s-vxwork-sparcv9.ads, s-vxwork-xscale.ads,
symbols-vms.adb, system-aix.ads, system-freebsd-x86.ads,
system-hpux.ads, system-interix.ads, system-irix-n32.ads,
system-irix-o32.ads, system-linux-x86_64.ads,
system-linux-x86.ads, system-lynxos-ppc.ads, system-lynxos-x86.ads,
system-mingw.ads, system-os2.ads, system-solaris-sparc.ads,
system-solaris-sparcv9.ads, system-solaris-x86.ads, system-tru64.ads,
system-unixware.ads, system-vms.ads, system-vms-zcx.ads,
system-vxworks-alpha.ads, system-vxworks-m68k.ads,
system-vxworks-mips.ads, system-vxworks-ppc.ads,
system-vxworks-sparcv9.ads, system-vxworks-xscale.ads: Replace files
above.
From-SVN: r81834
Diffstat (limited to 'gcc/ada/s-osprim-vms.ads')
-rw-r--r-- | gcc/ada/s-osprim-vms.ads | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gcc/ada/s-osprim-vms.ads b/gcc/ada/s-osprim-vms.ads new file mode 100644 index 00000000000..a777bea3b83 --- /dev/null +++ b/gcc/ada/s-osprim-vms.ads @@ -0,0 +1,106 @@ +------------------------------------------------------------------------------ +-- -- +-- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- +-- -- +-- S Y S T E M . O S _ P R I M I T I V E S -- +-- -- +-- S p e c -- +-- -- +-- Copyright (C) 1998-2003 Free Software Foundation, Inc. -- +-- -- +-- GNARL is free software; you can redistribute it and/or modify it under -- +-- terms of the GNU General Public License as published by the Free Soft- -- +-- ware Foundation; either version 2, or (at your option) any later ver- -- +-- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNARL; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNARL was developed by the GNARL team at Florida State University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +-- This package provides low level primitives used to implement clock and +-- delays in non tasking applications on Alpha/VMS + +-- The choice of the real clock/delay implementation (depending on whether +-- tasking is involved or not) is done via soft links (see s-tasoli.ads) + +-- NEVER add any dependency to tasking packages here + +package System.OS_Primitives is + + subtype OS_Time is Long_Integer; + -- System time on VMS is used for performance reasons. + -- Note that OS_Time is *not* the same as Ada.Calendar.Time, the + -- difference being that relative OS_Time is negative, but relative + -- Calendar.Time is positive. + -- See Ada.Calendar.Delays for more information on VMS Time. + + Max_Sensible_Delay : constant Duration := + Duration'Min (183 * 24 * 60 * 60.0, + Duration'Last); + -- Max of half a year delay, needed to prevent exceptions for large + -- delay values. It seems unlikely that any test will notice this + -- restriction, except in the case of applications setting the clock at + -- at run time (see s-tastim.adb). Also note that a larger value might + -- cause problems (e.g overflow, or more likely OS limitation in the + -- primitives used). In the case where half a year is too long (which + -- occurs in high integrity mode with 32-bit words, and possibly on + -- some specific ports of GNAT), Duration'Last is used instead. + + function OS_Clock return OS_Time; + -- Returns "absolute" time, represented as an offset + -- relative to "the Epoch", which is Nov 17, 1858 on VMS. + + function Clock return Duration; + pragma Inline (Clock); + -- Returns "absolute" time, represented as an offset + -- relative to "the Epoch", which is Jan 1, 1970 on unixes. + -- This implementation is affected by system's clock changes. + + function Monotonic_Clock return Duration; + pragma Inline (Monotonic_Clock); + -- Returns "absolute" time, represented as an offset + -- relative to "the Epoch", which is Jan 1, 1970. + -- This clock implementation is immune to the system's clock changes. + + Relative : constant := 0; + Absolute_Calendar : constant := 1; + Absolute_RT : constant := 2; + -- Values for Mode call below. Note that the compiler (exp_ch9.adb) + -- relies on these values. So any change here must be reflected in + -- corresponding changes in the compiler. + + procedure Timed_Delay (Time : Duration; Mode : Integer); + -- Implements the semantics of the delay statement when no tasking is + -- used in the application. + -- + -- Mode is one of the three values above + -- + -- Time is a relative or absolute duration value, depending on Mode. + -- + -- Note that currently Ada.Real_Time always uses the tasking run time, so + -- this procedure should never be called with Mode set to Absolute_RT. + -- This may change in future or bare board implementations. + + function To_Duration (T : OS_Time; Mode : Integer) return Duration; + -- Convert VMS system time to Duration + -- Mode is one of the three values above + + function To_OS_Time (D : Duration; Mode : Integer) return OS_Time; + -- Convert Duration to VMS system time + -- Mode is one of the three values above + +end System.OS_Primitives; |