X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=README.cygwin;h=8940ca6ed0e60f1949a7d0465000a811731729a4;hb=81d4fa0f81d9b5a66b7c8b64eb9cafb758238c51;hp=1b7c02653ac44e44bb2ec9eeef3d87d30875e2e2;hpb=be238d52d3347d96458d40082315a5e05528e888;p=p5sagit%2Fp5-mst-13.2.git diff --git a/README.cygwin b/README.cygwin index 1b7c026..8940ca6 100644 --- a/README.cygwin +++ b/README.cygwin @@ -64,8 +64,8 @@ Configure will B prompt you to install I pages. On WinNT with either the I or I C settings, directory and file permissions may not be set correctly. Since the build process -creates directories and files, to be safe you may want to run a `C' on the entire Perl source tree. +creates directories and files, to be safe you may want to run a +C on the entire Perl source tree. Also, it is a well known WinNT "feature" that files created by a login that is a member of the I group will be owned by the @@ -231,7 +231,7 @@ You may see some messages during Configure that seem suspicious. =item * I I is needed to build dynamic libraries, but it does not exist -when C checking occurs (it is not created until `C' runs). +when C checking occurs (it is not created until C runs). You will see the following message: Checking whether your C needs a leading underscore ... @@ -287,13 +287,13 @@ Errors like these are normal: =head2 ld2 on Cygwin -During `C', I will be created and installed in your $installbin +During C, I will be created and installed in your $installbin directory (where you said to put public executables). It does not -wait until the `C' process to install the I script, -this is because the remainder of the `C' refers to I without +wait until the C process to install the I script, +this is because the remainder of the C refers to I without fully specifying its path and does this from multiple subdirectories. The assumption is that $installbin is in your current C. If this -is not the case `C' will fail at some point. If this happens, +is not the case C will fail at some point. If this happens, just manually copy I from the source directory to somewhere in your C. @@ -306,7 +306,7 @@ There are two steps to running the test suite: cd t;./perl harness 2>&1 | tee ../log.harness The same tests are run both times, but more information is provided when -running as `C<./perl harness>'. +running as C<./perl harness>. Test results vary depending on your host system and your Cygwin configuration. If a test can pass in some Cygwin setup, it is always @@ -369,6 +369,8 @@ A C failure may result in the following tests failing: See comment on fork in L below. +=head1 Specific features of the Cygwin port + =head2 Script Portability on Cygwin Cygwin does an outstanding job of providing UNIX-like semantics on top of @@ -436,6 +438,15 @@ However, when accessing an executable as a normal file (e.g., I in a makefile) the F<.exe> is not transparent. The I included with Cygwin automatically appends a F<.exe> when necessary. +=item * cygwin vs. windows process ids + +Cygwin processes have their own pid, which is different from the +underlying windows pid. Most posix compliant Proc functions expect +the cygwin pid, but several Win32::Process functions expect the +winpid. E.g. C<$$> is the cygwin pid of F, which is not +the winpid. Use C and C +to translate between them. + =item * C On WinNT C can change a file's user and group IDs. On Win9x C @@ -470,16 +481,35 @@ F to install it and run rebaseall. =back +=head2 Prebuilt methods: + +=over 4 + +=item C + +Returns current working directory. + +=item C + +Translates a cygwin pid to the corresponding Windows pid (which may or +may not be the same). + +=item C + +Translates a Windows pid to the corresponding cygwin pid (if any). + +=back + =head1 INSTALL PERL ON CYGWIN This will install Perl, including I pages. make install 2>&1 | tee log.make-install -NOTE: If C is redirected `C' will B prompt +NOTE: If C is redirected C will B prompt you to install I into F. -You may need to be I to run `C'. If you +You may need to be I to run C. If you are not, you must have write access to the directories in question. Information on installing the Perl documentation in HTML format can be @@ -500,7 +530,7 @@ be kept as clean as possible (listing not updated yet). Changes Changes5.005 Changes5.004 Changes5.6 pod/perl.pod pod/perlport.pod pod/perlfaq3.pod pod/perldelta.pod pod/perl5004delta.pod pod/perl56delta.pod - pod/perlhist.pod pod/perlmodlib.pod pod/buildtoc.PL pod/perltoc.pod + pod/perlhist.pod pod/perlmodlib.pod perl/buildtoc pod/perltoc.pod =item Build, Configure, Make, Install @@ -528,12 +558,14 @@ be kept as clean as possible (listing not updated yet). t/op/stat.t - no /dev, skip Win32 ftCreationTime quirk (cache manager sometimes preserves ctime of file previously created and deleted), no -u (setuid) + t/lib/cygwin.t - builtin cygwin function tests =item Compiled Perl Source EXTERN.h - __declspec(dllimport) XSUB.h - __declspec(dllexport) - cygwin/cygwin.c - os_extras (getcwd, spawn) + cygwin/cygwin.c - os_extras (getcwd, spawn, Cygwin::winpid_to_pid, + Cygwin::pid_to_winpid) perl.c - os_extras perl.h - binmode doio.c - win9x can not rename a file when it is open @@ -582,4 +614,4 @@ Gerrit P. Haase . =head1 HISTORY -Last updated: 2003-08-12 +Last updated: 2005-02-11