| 1 | after 5.003_05:
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| 2 | PERLLIB_PREFIX was not active if it matches an element of @INC
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| 3 | as a whole.
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| 4 | Do not need PERL_SBRK if crtdll-revision is >= 50.
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| 5 | Use -Zsmall-conv if crtdll-revision is >= 50 (in static perl!).
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| 6 | :7: warning: #warning <dirent.h> requires <sys/types.h>
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| 7 | We compile miniperl static. It cannot fork, thus there may be
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| 8 | problems with pipes (since HAS_FORK is in
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| 9 | place). Pipes are required by makemaker.
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| 10 | We compile perl___.exe A.OUT and dynamic. It should be able to
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| 11 | fork.
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| 12 | If we can fork, we my_popen by popen unless "-|". Thus we
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| 13 | write a cooky "-1" into the pid array to indicate
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| 14 | this.
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| 15 | Apparently we can fork, and we can load dynamic extensions
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| 16 | now, though probably not simultaneously.
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| 17 | *DB tests corrected for OS/2 one-user stat[2].
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| 18 | /bin/sh is intercepted and replaced by SH_PATH.
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| 19 | Note that having '\\' in the command line of one-arg `system'
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| 20 | would trigger call via shell.
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| 21 | Segfault with system {'ls'} 'blah'; corrected.
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| 22 | Documentation of OS/2-different features added to main PODs.
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| 23 | New buitins in Cwd::
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| 24 |
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| 25 | Cwd::current_drive
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| 26 | Cwd::sys_chdir - leaves drive as it is.
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| 27 | Cwd::change_drive
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| 28 | Cwd::sys_is_absolute - has drive letter and is_rooted
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| 29 | Cwd::sys_is_rooted - has leading [/\\] (maybe
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| 30 | after a drive)
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| 31 | Cwd::sys_is_relative - changes with current dir
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| 32 | Cwd::sys_cwd - Interface to cwd from EMX.
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| 33 | Cwd::sys_abspath(name, dir)
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| 34 | - Really really odious
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| 35 | function. Returns absolute
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| 36 | name of file which would
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| 37 | have 'name' if CWD were 'dir'.
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| 38 | Dir defaults to the current dir.
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| 39 | Cwd::extLibpath [type] - Get/set current value of extended
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| 40 | Cwd::extLibpath_set - library search path.
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| 41 | path [type]
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| 42 | The optional last argument redirects
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| 43 | to END-path if true,
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| 44 | default is to search BEGIN-path.
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| 45 | (Note that some of these may be moved to different
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| 46 | libraries - eventually).
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| 47 | Executables:
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| 48 | perl - can fork, can dynalink (but not simultaneously)
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| 49 | perl_ - can fork, cannot dynalink
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| 50 | perl__ - same as perl___, but PM.
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| 51 | perl___ - cannot fork, can dynalink.
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| 52 | The build of the first one - perl - is rather convoluted, and
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| 53 | requires a build of miniperl_.
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| 54 |
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| 55 | after 5.003_07:
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| 56 | custom tmpfile and tmpname which may use $TMP, $TEMP.
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| 57 | all the calls to OS/2 API wrapped so that it is safe to use
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| 58 | them under DOS (may die(), though).
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| 59 | Tested that popen works under DOS with modified PDKSH and RSX.
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| 60 | File::Copy works under DOS.
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| 61 | MakeMaker modified to work under DOS (perlmain.c.tmp and sh -c true).
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| 62 |
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| 63 | after 5.003_08:
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| 64 | OS2::PrfDB exports symbols as documented;
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| 65 | should work on OS/2 2.1 again.
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| 66 | uses reliable signals when spawing.
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| 67 | do not use popen() any more - no intermediate shell unless needed.
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| 68 |
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| 69 | after 5.003_11:
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| 70 | Functions emx_{malloc,realloc,calloc,free} are exported from DLL.
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| 71 | get_sysinfo() bugs corrected (flags were not used and wrongly defined).
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| 72 |
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| 73 | after 5.003_20:
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| 74 | _isterm is substituted instead of isatty, s?random instead of srand.
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| 75 | `register' disabled if -DDEBUGGING and not AOUT build: stupid SD386.
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| 76 | 3-argument select() was stomping over memory.
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| 77 |
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| 78 | after 5.003_21:
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| 79 | Can start scripts by executing 'dir/script' and
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| 80 | 'script.sh'. Form without extension will call shell only if
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| 81 | the specified file exists (will not look on path) (to prohibit
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| 82 | trying to run shell commands directly). - Needed by magic.t.
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| 83 |
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| 84 | after 5.003_27:
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| 85 | ALTERNATE_SHEBANG="extproc " supported, thus options on this
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| 86 | line are processed (possibly twice). -S is made legal on such
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| 87 | a line. This -S -x is not needed any more.
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| 88 | perl.dll may be used from non-EMX programs (via PERL_SYS_INIT
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| 89 | - the caller should have valid variable "env" with
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| 90 | environment). Known problems: $$ does not work - is 0, waitpid
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| 91 | returns immediately, thus Perl cannot wait for completion of
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| 92 | started programs.
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| 93 |
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| 94 | after 5.004_01:
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| 95 | flock emulation added (disable by setting env PERL_USE_FLOCK=0),
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| 96 | thanks to Rocco Caputo;
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| 97 | RSX bug with missing waitpid circomvented;
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| 98 | -S bug with full path with \ corrected.
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| 99 |
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| 100 | before 5.004_02:
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| 101 | -S switch to perl enables a search with additional extensions
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| 102 | .cmd, .btm, .bat, .pl as well. This means that if you have
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| 103 | mycmd.pl or mycmd.bat on PATH,
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| 104 | perl -S mycmd
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| 105 | will work. Perl will also look in the current directory first.
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| 106 | Moreover, a bug with \; in PATH being non-separator is fixed.
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| 107 |
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| 108 | after 5.004_03:
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| 109 | $^E tracks calls to CRT now. (May break if Perl masks some
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| 110 | changes to errno?)
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| 111 | $0 may be edited to longer lengths (at least under OS/2).
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| 112 | OS2::REXX->loads looks in the OS/2-ish fashion too.
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| 113 |
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| 114 | after 5.004_04:
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| 115 | Default perl.exe was built with a shorter stack than expected.
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| 116 | Strip extensions DLLs too (unless debugging build).
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| 117 | ./os2.c being RO could stop cp.
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| 118 | When starting scripts, Perl will find them on path (using the same
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| 119 | extensions as for -S command-line switch). If it finds magic
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| 120 | `extproc ' or `#!' cookies, it will start the scripts directly.
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| 121 | May use `cmd /c more <' as a pager.
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| 122 | If a program could not be started, this might have been hidden.
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| 123 | End of pipe was closed twice when `open'ing a pipeline.
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| 124 |
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| 125 | after 5.004_53:
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| 126 | Minimal thread support added. One needs to manually move pthread.h
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| 127 |
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| 128 | after 5.004_64:
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| 129 | Make DLL names different if thread-enabled.
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| 130 | Emit more informative internal DLL descriptions.
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| 131 |
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| 132 | 5.004_72:
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| 133 | Updated OS2::Process (v0.2) included.
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| 134 |
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| 135 | after 5.004_73:
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| 136 | Fixed a bug with argv not NULL-terminated when starting scripts.
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| 137 | Support all the forms of starting scripts.
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| 138 | Support killing a child when receiving a signal during system()
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| 139 | (in two stage, on first send the same signal, on the next
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| 140 | send SIGKILL).
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| 141 | Add the same logic for scripts as in pdksh, including
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| 142 | stripping the path from #! line if needed,
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| 143 | calling EXECSHELL or COMSPEC for magic-less scripts;
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| 144 | Now pdksh is called only if one-arg system()/friends contains
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| 145 | metachars, or if magic-line asks for sh, or there is no magic
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| 146 | line and EXECSHELL is set to sh.
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| 147 | Shell is supplied the original command line if possible.
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| 148 |
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| 149 | after 5.005_02:
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| 150 | Can start PM programs from non-PM sessions by plain system()
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| 151 | and friends. Can start DOS/Win programs. Can start
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| 152 | fullscreen programs from non-fullscreen sessions too.
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| 153 | In fact system(P_PM,...) was broken.
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| 154 | We mangle the name of perl*.DLL, to allow coexistence of different
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| 155 | versions of Perl executables on the system. Mangling of
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| 156 | names of extension DLL is also changed, thus running two
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| 157 | different versions of the executable with loaded
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| 158 | extensions should not lead to conflicts (since
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| 159 | extension-full-name and Perl-version mangling work in the
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| 160 | same set ot 576 possible keys, this may lead to clashes).
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| 161 | $^E was reset on the second read, and contained ".\r\n" at the end.
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| 162 |
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| 163 | after 5.005_53:
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| 164 | Would segfault system()ing non-existing program;
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| 165 | AOUT build was hosed;
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| 166 | warning-test for getpriority() might lock the system hard on
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| 167 | pre-fixpak22 configuration (calling getpriority() on
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| 168 | non-existing process triggers a system-wide bug).
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| 169 |
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| 170 |
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| 171 | PrfDB was using a bug in processing XSUBs returning U32.
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| 172 |
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| 173 | Variable $OS2::emx_rev implemented (string and numberic values
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| 174 | are the same as C variables _emx_rev and _emx_vprt).
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| 175 | Variable $OS2::emx_env implemented (same as C variable _emx_env).
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| 176 | Variable $OS2::os_ver implemented (_osmajor + 0.001 * _osminor).
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| 177 |
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| 178 | Improved centralized management of HAB and HMQ. To get Perl's
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| 179 | HAB, call perl_hab_GET(). (After the initial call one
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| 180 | can use Perl_hab instead.) To require Perl's HMQ,
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| 181 | call perl_hmq_GET(), to release it call perl_hmq_UNSET(),
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| 182 | to obtain it between these calls use Perl_hmq.
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| 183 | HMQ management is refcounted, and the program will morph
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| 184 | itself into/from PM if required.
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| 185 | If perl.h cannot be included, hab may be obtained by Perl_hab_GET().
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| 186 |
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| 187 | New function OS2::Error(do_harderror,do_exception). Returns
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| 188 | undef if it was not called yet, otherwise bit 1 is
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| 189 | set if on previous call do_harderror was enabled, bit
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| 190 | 2 is set if if on previous call do_exception was enabled.
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| 191 | This function enables/disables error popups associated with
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| 192 | hardware errors (Disk not ready etc.) and software exceptions.
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| 193 |
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| 194 | New function OS2::Errors2Drive(drive). Returns undef if it was
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| 195 | not called yet, otherwise return false if Errors were
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| 196 | not requested to be written to a hard drive, or the
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| 197 | drive letter if this was requested.
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| 198 | This function may redirect error popups associated with
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| 199 | hardware errors (Disk not ready etc.) and software exceptions
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| 200 | to the file POPUPLOG.OS2 at the root directory of the
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| 201 | specified drive. Overrides OS2::Error() specified by
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| 202 | individual programs. Given argument undef will
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| 203 | disable redirection. Has global effect, persists
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| 204 | after the application exits.
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| 205 |
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| 206 | New function OS2::SysInfo(). Returns a hash with system information.
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| 207 | The keys of the hash are
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| 208 |
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| 209 | MAX_PATH_LENGTH, MAX_TEXT_SESSIONS, MAX_PM_SESSIONS,
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| 210 | MAX_VDM_SESSIONS, BOOT_DRIVE, DYN_PRI_VARIATION,
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| 211 | MAX_WAIT, MIN_SLICE, MAX_SLICE, PAGE_SIZE,
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| 212 | VERSION_MAJOR, VERSION_MINOR, VERSION_REVISION,
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| 213 | MS_COUNT, TIME_LOW, TIME_HIGH, TOTPHYSMEM, TOTRESMEM,
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| 214 | TOTAVAILMEM, MAXPRMEM, MAXSHMEM, TIMER_INTERVAL,
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| 215 | MAX_COMP_LENGTH, FOREGROUND_FS_SESSION,
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| 216 | FOREGROUND_PROCESS
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| 217 |
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| 218 | New function OS2::BootDrive(force). Returns a letter without colon.
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| 219 |
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| 220 | New functions OS2::MorphPM(serve)/OS2::UnMorphPM(serve). Transforms
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| 221 | the current application into a PM application and back.
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| 222 | The argument true means that a real message loop is
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| 223 | going to be performed.
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| 224 | OS2::MorphPM() returns the PM message queue handle as an integer.
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| 225 |
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| 226 | New function OS2::Serve_Messages(force). Fake on-demand
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| 227 | retrieval of outstanding PM messages. If force is false,
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| 228 | will not dispatch messages if a real message loop is known to
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| 229 | be present. Returns number of messages retrieved.
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| 230 | Dies with "QUITing..." if WM_QUIT message is obtained.
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| 231 |
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| 232 | New function OS2::Process_Messages(force [, cnt]). Retrieval
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| 233 | of PM messages until window creation/destruction.
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| 234 | If force is false, will not dispatch messages
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| 235 | if a real message loop is known to be present.
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| 236 | Returns change in number of windows. If cnt is given,
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| 237 | it is incremented by the number of messages retrieved.
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| 238 | Dies with "QUITing..." if WM_QUIT message is obtained.
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| 239 |
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| 240 | after 5.005_54:
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| 241 | Opening pipes from/to processes could fail if (un)appropriate
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| 242 | combination of STDIN/STDOUT was closed.
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| 243 |
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| 244 | If the only shell-metachars of a command are ' 2>&1' at the
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| 245 | end of a command, it is executed without calling the external shell.
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| 246 |
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| 247 | after 5.005_57:
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| 248 | Make UDP sockets return correct caller address (OS2 API bug);
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| 249 | Enable TCPIPV4 defines (works with Warp 3 IAK too?!);
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| 250 | Force Unix-domain sockets to start with "/socket", convert
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| 251 | '/' to '\' in the calls;
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| 252 | Make C<system 1, $cmd> to treat $cmd as in C<system $cmd>;
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| 253 | Autopatch Configure;
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| 254 | Find name and location of g[nu]patch.exe;
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| 255 | Autocopy perl????.dll to t/ when testing;
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| 256 |
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| 257 | after 5.005_62:
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| 258 | Extract a lightweight DLL access module OS2::DLL from OS2::REXX
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| 259 | which would not load REXX runtime system;
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| 260 | Allow compile with os2.h which loads os2tk.h instead of os2emx.h;
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| 261 | Put the version of EMX CRTL into -D define;
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| 262 | Use _setsyserror() to store last error of OS/2 API for $^E;
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| 263 | New macro PERL_SYS_INIT3(argvp, argcp, envp);
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| 264 | Make Dynaloader return info on the failing module after failed dl_open();
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| 265 | OS2::REXX test were done for interactive testing (were writing
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| 266 | "ok" to stderr);
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| 267 | system() and friends return -1 on failure (was 0xFF00);
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| 268 | Put the full name of executable into $^X
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| 269 | (alas, uppercased - but with /);
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| 270 | t/io/fs.t was failing on HPFS386;
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| 271 | Remove extra ';' from defines for MQ operations.
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| 272 |
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| 273 | pre 5.6.1:
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| 274 | Resolved: "Bad free()" messages (e.g., from DB_File) with -Zomf build.
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| 275 | The reason was: when an extension DLL was linked, the order of
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| 276 | libraries was similar to this:
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| 277 | f1.obj f2.obj libperl.lib -llibr1 -llibr2
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