diff options
Diffstat (limited to 'docs/tutorials/011/combine.shar')
| -rw-r--r-- | docs/tutorials/011/combine.shar | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/docs/tutorials/011/combine.shar b/docs/tutorials/011/combine.shar deleted file mode 100644 index 53cf2f988a2..00000000000 --- a/docs/tutorials/011/combine.shar +++ /dev/null @@ -1,489 +0,0 @@ -#!/bin/sh -# This is a shell archive (produced by GNU sharutils 4.2). -# To extract the files from this archive, save it to some FILE, remove -# everything before the `!/bin/sh' line above, then type `sh FILE'. -# -# Made on 2000-03-19 15:00 EST by <jcej@chiroptera.tragus.org>. -# Source directory was `/home/jcej/projects/ACE_wrappers/docs/tutorials/011'. -# -# Existing files will *not* be overwritten unless `-c' is specified. -# -# This shar contains: -# length mode name -# ------ ---------- ------------------------------------------ -# 442 -rw-rw-r-- hdr -# 48 -rw-rw-r-- bodies -# 869 -rw-rw-r-- page01.pre -# 164 -rw-rw-r-- page02.pre -# 174 -rw-rw-r-- page03.pre -# 127 -rw-rw-r-- page04.pre -# 2691 -rw-rw-r-- page05.pre -# 707 -rw-rw-r-- page06.pre -# 351 -rw-rw-r-- page02.pst -# 365 -rw-rw-r-- page03.pst -# 129 -rw-rw-r-- page04.pst -# -save_IFS="${IFS}" -IFS="${IFS}:" -gettext_dir=FAILED -locale_dir=FAILED -first_param="$1" -for dir in $PATH -do - if test "$gettext_dir" = FAILED && test -f $dir/gettext \ - && ($dir/gettext --version >/dev/null 2>&1) - then - set `$dir/gettext --version 2>&1` - if test "$3" = GNU - then - gettext_dir=$dir - fi - fi - if test "$locale_dir" = FAILED && test -f $dir/shar \ - && ($dir/shar --print-text-domain-dir >/dev/null 2>&1) - then - locale_dir=`$dir/shar --print-text-domain-dir` - fi -done -IFS="$save_IFS" -if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED -then - echo=echo -else - TEXTDOMAINDIR=$locale_dir - export TEXTDOMAINDIR - TEXTDOMAIN=sharutils - export TEXTDOMAIN - echo="$gettext_dir/gettext -s" -fi -touch -am 1231235999 $$.touch >/dev/null 2>&1 -if test ! -f 1231235999 && test -f $$.touch; then - shar_touch=touch -else - shar_touch=: - echo - $echo 'WARNING: not restoring timestamps. Consider getting and' - $echo "installing GNU \`touch', distributed in GNU File Utilities..." - echo -fi -rm -f 1231235999 $$.touch -# -if mkdir _sh32588; then - $echo 'x -' 'creating lock directory' -else - $echo 'failed to create lock directory' - exit 1 -fi -# ============= hdr ============== -if test -f 'hdr' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'hdr' '(file already exists)' -else - $echo 'x -' extracting 'hdr' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'hdr' && -<HTML> -<HEAD> -X <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> -X <META NAME="Author" CONTENT="James CE Johnson"> -X <TITLE>ACE Tutorial 011</TITLE> -</HEAD> -<BODY TEXT="#000000" BGCOLOR="#FFFFFF" LINK="#000FFF" VLINK="#FF0F0F"> -X -<CENTER><B><FONT SIZE=+2>ACE Tutorial 011</FONT></B></CENTER> -X -<CENTER><B><FONT SIZE=+2>Passing non-trivial data through an ACE_Message_Queue</FONT></B></CENTER> -X -X -<P> -<HR WIDTH="100%"> -SHAR_EOF - $shar_touch -am 03191459100 'hdr' && - chmod 0664 'hdr' || - $echo 'restore of' 'hdr' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'hdr:' 'MD5 check failed' -cf10a170c9ca8512b7051526e2dcf83c hdr -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'hdr'`" - test 442 -eq "$shar_count" || - $echo 'hdr:' 'original size' '442,' 'current size' "$shar_count!" - fi -fi -# ============= bodies ============== -if test -f 'bodies' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'bodies' '(file already exists)' -else - $echo 'x -' extracting 'bodies' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'bodies' && -PAGE=2 -message_queue.cpp -task.h task.cpp -data.h -SHAR_EOF - $shar_touch -am 0124155199 'bodies' && - chmod 0664 'bodies' || - $echo 'restore of' 'bodies' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'bodies:' 'MD5 check failed' -db3ba3829b49952c833adb921acd3d3f bodies -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'bodies'`" - test 48 -eq "$shar_count" || - $echo 'bodies:' 'original size' '48,' 'current size' "$shar_count!" - fi -fi -# ============= page01.pre ============== -if test -f 'page01.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page01.pre' '(file already exists)' -else - $echo 'x -' extracting 'page01.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page01.pre' && -<P> -In the previous tutorial we learned how to put text into a message queue. -While that may be useful, it isn't very exciting or realistic. In most -cases you'll need to move complex data structures between your threads. -<P> -In this tutorial I'll expand the previous by moving not only a text string -but also a more complex object. In the next tutorial I'll change things -again so that we move the complex object a bit more efficiently. -<P> -A simple abstract for a simple tutorial: -<UL> -In this tutorial, we put some data into the blocks of the message queue. -We copy the data from a Data object into the block and put it on the -queue. The block is then dequeued by the thread which picks it up and -processes it. This tutorial is very similar to the previous -one with the extra touch being population of the blocks with data. -</UL> -(Abstract by Kirthika, as always.) -SHAR_EOF - $shar_touch -am 03191459100 'page01.pre' && - chmod 0664 'page01.pre' || - $echo 'restore of' 'page01.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page01.pre:' 'MD5 check failed' -58768929bbe513a9fa2302b1fe3170be page01.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page01.pre'`" - test 869 -eq "$shar_count" || - $echo 'page01.pre:' 'original size' '869,' 'current size' "$shar_count!" - fi -fi -# ============= page02.pre ============== -if test -f 'page02.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page02.pre' '(file already exists)' -else - $echo 'x -' extracting 'page02.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page02.pre' && -We'll look first at <A HREF="message_queue.cpp">main()</A>. A large part of this is -the same as before, so I've only commented the changes. -<P> -X -<HR WIDTH="100%"> -SHAR_EOF - $shar_touch -am 03191459100 'page02.pre' && - chmod 0664 'page02.pre' || - $echo 'restore of' 'page02.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page02.pre:' 'MD5 check failed' -ccd60d44cf4f9730aa16ff042f324c8e page02.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page02.pre'`" - test 164 -eq "$shar_count" || - $echo 'page02.pre:' 'original size' '164,' 'current size' "$shar_count!" - fi -fi -# ============= page03.pre ============== -if test -f 'page03.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page03.pre' '(file already exists)' -else - $echo 'x -' extracting 'page03.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page03.pre' && -X -Our Task object <A HREF="task.h">declaration</a> and <A HREF="task.cpp">definition</a>. -X As with message_queue.cpp, -I've only commented the changes. -<P> -X -<HR WIDTH="100%"> -SHAR_EOF - $shar_touch -am 03191459100 'page03.pre' && - chmod 0664 'page03.pre' || - $echo 'restore of' 'page03.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page03.pre:' 'MD5 check failed' -e99896d191834752e7e07317af06ea0c page03.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page03.pre'`" - test 174 -eq "$shar_count" || - $echo 'page03.pre:' 'original size' '174,' 'current size' "$shar_count!" - fi -fi -# ============= page04.pre ============== -if test -f 'page04.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page04.pre' '(file already exists)' -else - $echo 'x -' extracting 'page04.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page04.pre' && -X -Before we go further, let's look at this <A HREF="data.h">Data</A> object -that's causing all the fuss. -X -<P> -<HR WIDTH="100%"> -SHAR_EOF - $shar_touch -am 03191459100 'page04.pre' && - chmod 0664 'page04.pre' || - $echo 'restore of' 'page04.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page04.pre:' 'MD5 check failed' -4fe23822fef63921fa81cbf97e25bd5e page04.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page04.pre'`" - test 127 -eq "$shar_count" || - $echo 'page04.pre:' 'original size' '127,' 'current size' "$shar_count!" - fi -fi -# ============= page05.pre ============== -if test -f 'page05.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page05.pre' '(file already exists)' -else - $echo 'x -' extracting 'page05.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page05.pre' && -X -Let's take a look at this new program's output: -X -<P> -<HR WIDTH="100%"> -<PRE> -[jcej@chiroptera 011]$./message_queue 4 2 -(12108|1024) Task ctor 0xbffff9c8 -(12108|2050) Task 0xbffff9c8 starts in thread 2050 -(12108|1025) Task 0xbffff9c8 starts in thread 1025 -(12108|1024) DataBase ctor 0xbffff9c0 -(12108|1024) Data ctor 0xbffff9c0 for message 0 -(12108|1024) Block ctor 0x8052d08 -(12108|1024) Data dtor 0xbffff9c0 -(12108|1024) DataBase dtor 0xbffff9c0 -(12108|1024) DataBase ctor 0xbffff9c0 -(12108|1024) Data ctor 0xbffff9c0 for message 1 -(12108|1024) Block ctor 0x8052e00 -(12108|1024) Data dtor 0xbffff9c0 -(12108|1024) DataBase dtor 0xbffff9c0 -(12108|1024) DataBase ctor 0xbffff9c0 -(12108|1024) Data ctor 0xbffff9c0 for message 2 -(12108|1024) Block ctor 0x8052ef8 -(12108|1024) Data dtor 0xbffff9c0 -(12108|1024) DataBase dtor 0xbffff9c0 -(12108|1024) DataBase ctor 0xbffff9c0 -(12108|1024) Data ctor 0xbffff9c0 for message 3 -(12108|1024) Block ctor 0x8052ff0 -(12108|1024) Data dtor 0xbffff9c0 -(12108|1024) DataBase dtor 0xbffff9c0 -(12108|1024) Block ctor 0x80530e8 -(12108|1025) Block 0x8052d08 contains (This is message 0.) -(12108|1025) DataBase ctor 0xbf9ffe20 -(12108|1025) Data ctor 0xbf9ffe20 -(12108|1025) DataBase instance 0xbf9ffe20 -(12108|1025) I am a Data object for message 0 -(12108|1025) Block dtor 0x8052d08 -(12108|1025) Data dtor 0xbf9ffe20 -(12108|1025) DataBase dtor 0xbf9ffe20 -(12108|1025) Block 0x8052e00 contains (This is message 1.) -(12108|1025) DataBase ctor 0xbf9ffe20 -(12108|1025) Data ctor 0xbf9ffe20 -(12108|1025) DataBase instance 0xbf9ffe20 -(12108|1025) I am a Data object for message 1 -(12108|1025) Block dtor 0x8052e00 -(12108|1025) Data dtor 0xbf9ffe20 -(12108|1025) DataBase dtor 0xbf9ffe20 -(12108|1025) Block 0x8052ef8 contains (This is message 2.) -(12108|1025) DataBase ctor 0xbf9ffe20 -(12108|1025) Data ctor 0xbf9ffe20 -(12108|1025) DataBase instance 0xbf9ffe20 -(12108|1025) I am a Data object for message 2 -(12108|1025) Block dtor 0x8052ef8 -(12108|1025) Data dtor 0xbf9ffe20 -(12108|1025) DataBase dtor 0xbf9ffe20 -(12108|1025) Block 0x8052ff0 contains (This is message 3.) -(12108|1025) DataBase ctor 0xbf9ffe20 -(12108|1025) Data ctor 0xbf9ffe20 -(12108|1025) DataBase instance 0xbf9ffe20 -(12108|1025) I am a Data object for message 3 -(12108|2050) Task close 0xbffff9c8 -(12108|1025) Block dtor 0x8052ff0 -(12108|1025) Data dtor 0xbf9ffe20 -(12108|1025) DataBase dtor 0xbf9ffe20 -(12108|1025) Task close 0xbffff9c8 -(12108|1024) Task dtor 0xbffff9c8 -(12108|1024) Block dtor 0x80530e8 -(12108|1024) Application exiting -[jcej@chiroptera 011]$ -</PRE> -<HR WIDTH="100%"> -<P> -Other than being more verbose because of the Data object, this shows us -the same thing we've seen before. -<P> -SHAR_EOF - $shar_touch -am 03191459100 'page05.pre' && - chmod 0664 'page05.pre' || - $echo 'restore of' 'page05.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page05.pre:' 'MD5 check failed' -b95ed571240b8383db0e0c0b07d04971 page05.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page05.pre'`" - test 2691 -eq "$shar_count" || - $echo 'page05.pre:' 'original size' '2691,' 'current size' "$shar_count!" - fi -fi -# ============= page06.pre ============== -if test -f 'page06.pre' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page06.pre' '(file already exists)' -else - $echo 'x -' extracting 'page06.pre' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page06.pre' && -So, this time we stuffed an object into the message queue instead of just text -data. Each time required two object constructions (and subsequent destructions) -and two "deep" copy operations on the object. There might actually be times when -this is OK for your application but I prefer to keep those things down to a -minimum. In the next tutorial I'll show you a way to do that. -<P> -X -<UL> -<LI><A HREF="Makefile">Makefile</A> -<LI><A HREF="block.h">block.h</A> -<LI><A HREF="data.h">data.h</A>* -<LI><A HREF="message_queue.cpp">message_queue.cpp</A> -<LI><A HREF="task.cpp">task.cpp</A> -<LI><A HREF="task.h">task.h</A> -</UL> -X -* data.h hasn't changed at all from Tutorial 7 so I didn't devote a -X page to it. -SHAR_EOF - $shar_touch -am 03191459100 'page06.pre' && - chmod 0664 'page06.pre' || - $echo 'restore of' 'page06.pre' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page06.pre:' 'MD5 check failed' -17d64bbe275773a80d7d767e04e0474c page06.pre -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page06.pre'`" - test 707 -eq "$shar_count" || - $echo 'page06.pre:' 'original size' '707,' 'current size' "$shar_count!" - fi -fi -# ============= page02.pst ============== -if test -f 'page02.pst' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page02.pst' '(file already exists)' -else - $echo 'x -' extracting 'page02.pst' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page02.pst' && -<HR WIDTH="100%"> -<P> -The new trick here is the use of copy() to copy our abstract data object -into the message block memory. Notice that it's OK to let the Data object -go out of scope at that point since we've got a separate copy. If you've -got something with a non-trivial ctor/dtor then this won't work. We'll address -that in the next tutorial. -SHAR_EOF - $shar_touch -am 03191459100 'page02.pst' && - chmod 0664 'page02.pst' || - $echo 'restore of' 'page02.pst' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page02.pst:' 'MD5 check failed' -89fa13e74842bc65092e0e6f61fdd889 page02.pst -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page02.pst'`" - test 351 -eq "$shar_count" || - $echo 'page02.pst:' 'original size' '351,' 'current size' "$shar_count!" - fi -fi -# ============= page03.pst ============== -if test -f 'page03.pst' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page03.pst' '(file already exists)' -else - $echo 'x -' extracting 'page03.pst' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page03.pst' && -<HR WIDTH="100%"> -<P> -Notice how we had to create a temporary Data object to copy the stuff out -of the message block? Again, if there were non-trivial ctor/dtors involved -then this wouldn't work at all. -<P> -Again, like <A HREF="../010/page01.html">Tutorial 10</A> we've skipped -<i>THR_DETACHED</i> because we <i>wait()</i> for the threads to exit -X elsewhere. -SHAR_EOF - $shar_touch -am 03191459100 'page03.pst' && - chmod 0664 'page03.pst' || - $echo 'restore of' 'page03.pst' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page03.pst:' 'MD5 check failed' -1005245771b0756716fa87dfdf966155 page03.pst -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page03.pst'`" - test 365 -eq "$shar_count" || - $echo 'page03.pst:' 'original size' '365,' 'current size' "$shar_count!" - fi -fi -# ============= page04.pst ============== -if test -f 'page04.pst' && test "$first_param" != -c; then - $echo 'x -' SKIPPING 'page04.pst' '(file already exists)' -else - $echo 'x -' extracting 'page04.pst' '(text)' - sed 's/^X//' << 'SHAR_EOF' > 'page04.pst' && -<HR WIDTH="100%"> -<P> -Ok, no mysterious magic on this one. Just a simple object and derivative -that report their existence. -<P> -SHAR_EOF - $shar_touch -am 03191459100 'page04.pst' && - chmod 0664 'page04.pst' || - $echo 'restore of' 'page04.pst' 'failed' - if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ - && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then - md5sum -c << SHAR_EOF >/dev/null 2>&1 \ - || $echo 'page04.pst:' 'MD5 check failed' -777ab8789fb82b1e280b9e127983c4b0 page04.pst -SHAR_EOF - else - shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page04.pst'`" - test 129 -eq "$shar_count" || - $echo 'page04.pst:' 'original size' '129,' 'current size' "$shar_count!" - fi -fi -rm -fr _sh32588 -exit 0 |