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author | bosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-08 20:11:04 +0000 |
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committer | bosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-08 20:11:04 +0000 |
commit | f15731c43ae5e8cea424ea40f905c19afa1bd2e4 (patch) | |
tree | b584a79288c93215b05fb451943291ccd039388b /gcc/ada/s-tasuti.ads | |
parent | 1d347c236ad815c77bd345611ed221b0bd6091de (diff) | |
download | gcc-f15731c43ae5e8cea424ea40f905c19afa1bd2e4.tar.gz |
* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,
4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads,
4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads,
4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads,
5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb,
5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads,
5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb,
5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads,
5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb,
5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb,
5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads,
5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb,
5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads,
5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb,
5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb,
5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb,
5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb,
5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb,
5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb,
7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb,
Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads,
a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb,
a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads,
a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb,
a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb,
a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb,
a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb,
a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h,
adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb,
atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb,
bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb,
csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c,
einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads,
eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb,
exp_ch12.adb, exp_ch13.adb, exp_ch2.adb, exp_ch3.adb, exp_ch3.ads,
exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads,
exp_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads,
exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb,
exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads,
expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb,
freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb,
g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads,
g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb,
g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb,
g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb,
g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb,
g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c,
gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb,
gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads,
gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb,
i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads,
impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb,
lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb,
memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads,
mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb,
nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads,
output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb,
par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb,
prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb,
prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb,
prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads,
rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb,
s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads,
s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb,
s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb,
s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb,
s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb,
s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb,
s-taasde.adb, s-taasde.ads, s-tadeca.adb, s-tadeca.ads,
s-tadert.adb, s-tadert.ads, s-taenca.adb, s-taenca.ads,
s-taprob.adb, s-taprop.ads, s-tarest.adb, s-tasdeb.adb,
s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads,
s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads,
s-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb,
s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb,
s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb,
sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb,
sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads,
sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb,
sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb,
sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb,
sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb,
sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb,
sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb,
sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads,
snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads,
stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads,
table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb,
tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb,
treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads,
types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb,
utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb,
xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes.
* 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads,
g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads,
mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads,
osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files
* 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb,
5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed
* mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed
to mdll-fil.ad[bs] and mdll-util.ad[bs]
* mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed
from mdllfile.ad[bs] and mdlltool.ad[bs]
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/s-tasuti.ads')
-rw-r--r-- | gcc/ada/s-tasuti.ads | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/gcc/ada/s-tasuti.ads b/gcc/ada/s-tasuti.ads index 6d605bc394a..6fc816c7afe 100644 --- a/gcc/ada/s-tasuti.ads +++ b/gcc/ada/s-tasuti.ads @@ -6,9 +6,9 @@ -- -- -- S p e c -- -- -- --- $Revision: 1.34 $ -- +-- $Revision$ -- -- -- --- Copyright (C) 1991-1998 Florida State University -- +-- Copyright (C) 1992-2002, 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- -- @@ -29,8 +29,7 @@ -- covered by the GNU Public License. -- -- -- -- GNARL was developed by the GNARL team at Florida State University. It is -- --- now maintained by Ada Core Technologies Inc. in cooperation with Florida -- --- State University (http://www.gnat.com). -- +-- now maintained by Ada Core Technologies, Inc. (http://www.gnat.com). -- -- -- ------------------------------------------------------------------------------ @@ -49,18 +48,24 @@ package System.Tasking.Utilities is --------------------------------- procedure Make_Independent; - -- Move the current task to the outermost level (level 1) of the master - -- master hierarchy of the environment task. This is one level further - -- out than normal tasks defined in library-level packages (level 2). - -- The environment task will wait for level 2 tasks to terminate normally, - -- then it will abort all the level 1 tasks. See Finalize_Global_Tasks + -- Move the current task to the outermost level (level 2) of the master + -- hierarchy of the environment task. That is one level further out + -- than normal tasks defined in library-level packages (level 3). The + -- environment task will wait for level 3 tasks to terminate normally, + -- then it will abort all the level 2 tasks. See Finalize_Global_Tasks -- procedure for more information. -- -- This is a dangerous operation, and should only be used on nested tasks -- or tasks that depend on any objects that might be finalized earlier than - -- the termination of the environment task. It is for internal use by - -- GNARL, to prevent such internal server tasks from preventing a - -- partition from terminating. + -- the termination of the environment task. It is for internal use by the + -- GNARL, to prevent such internal server tasks from preventing a partition + -- from terminating. + -- + -- Also note that the run time assumes that the parent of an independent + -- task is the environment task. If this is not the case, Make_Independent + -- will change the task's parent. This assumption is particularly + -- important for master level completion and for the computation of + -- Independent_Task_Count. Independent_Task_Count : Natural := 0; -- Number of independent task. This counter is incremented each time @@ -75,7 +80,7 @@ package System.Tasking.Utilities is procedure Cancel_Queued_Entry_Calls (T : Task_ID); -- Cancel any entry calls queued on target task. - -- Do not call this while holding any locks. + -- Call this while holding T's lock (or RTS_Lock in Single_Lock mode). procedure Exit_One_ATC_Level (Self_ID : Task_ID); pragma Inline (Exit_One_ATC_Level); @@ -83,9 +88,7 @@ package System.Tasking.Utilities is -- This is a bit of common code for all entry calls. -- The effect is to exit one level of ATC nesting. - procedure Abort_One_Task - (Self_ID : Task_ID; - T : Task_ID); + procedure Abort_One_Task (Self_ID : Task_ID; T : Task_ID); -- Similar to Locked_Abort_To_Level (Self_ID, T, 0), but: -- (1) caller should be holding no locks -- (2) may be called for tasks that have not yet been activated @@ -95,10 +98,10 @@ package System.Tasking.Utilities is -- Abort_Tasks is called to initiate abortion, however, the actual -- abortion is done by abortee by means of Abort_Handler - procedure Make_Passive - (Self_ID : Task_ID; - Task_Completed : Boolean); + procedure Make_Passive (Self_ID : Task_ID; Task_Completed : Boolean); -- Update counts to indicate current task is either terminated - -- or accepting on a terminate alternative. Call holding no locks. + -- or accepting on a terminate alternative. + -- Call holding no locks except Global_Task_Lock when calling from + -- Terminate_Task, and RTS_Lock when Single_Lock is True. end System.Tasking.Utilities; |