diff options
author | Perl 5 Porters <perl5-porters@africa.nicoh.com> | 1997-04-07 00:00:00 +0000 |
---|---|---|
committer | Chip Salzenberg <chip@atlantic.net> | 1997-04-07 00:00:00 +0000 |
commit | 8cc95fdbe3687330bd987cea170494b4cd263d90 (patch) | |
tree | e3a830736fef94663b44fc7cf30f0755de3e09c5 /pod/perlvar.pod | |
parent | 1061146bbd7c9a40c4288ec63427c8327cc0d5fa (diff) | |
download | perl-8cc95fdbe3687330bd987cea170494b4cd263d90.tar.gz |
[inseparable changes from match from perl-5.003_97b to perl-5.003_97c]
BUILD PROCESS
Subject: Fix syntax error in Configure comment(!)
From: Chip Salzenberg <chip@perl.com>
Files: Configure
Subject: For Solaris, if -DDEBUGGING, default to '-KPIC', not '-Kpic'
From: Chip Salzenberg <chip@perl.com>
Files: Configure
Subject: Fix usage of dXSUB_SYS, esp. in ExtUtils::Miniperl
From: Chip Salzenberg <chip@perl.com>
Files: dosish.h minimod.pl os2/os2ish.h plan9/plan9ish.h vms/vmsish.h
CORE LANGUAGE CHANGES
Subject: Refine setgroups() behavior of C<$)>
From: Chip Salzenberg <chip@perl.com>
Files: mg.c pod/perldelta.pod pod/perlvar.pod
Subject: Forbid -[Mm] on #! line
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldelta.pod pod/perldiag.pod toke.c
CORE PORTABILITY
Subject: Special mkdir() for VMS
Date: Tue, 08 Apr 1997 12:33:56 -0400 (EDT)
From: Charles Bailey <bailey@hmivax.humgen.upenn.edu>
Files: dosish.h lib/ExtUtils/MM_Unix.pm lib/File/Path.pm os2/os2ish.h plan9/plan9ish.h pp_sys.c unixish.h vms/vms.c vms/vmsish.h
Msg-ID: 01IHGOXN6MZM0004K3@hmivax.humgen.upenn.edu
(applied based on p5p patch as commit ebec1d4b2ca9c08d24035a369c7aa782aa058e66)
DOCUMENTATION
Subject: IO::Socket doc fix
Date: Tue, 08 Apr 1997 15:30:43 -0400
From: Roderick Schertler <roderick@argon.org>
Files: ext/IO/lib/IO/Socket.pm
Msg-ID: 28383.860527843@eeyore.ibcinc.com
(applied based on p5p patch as commit 4a51304ce091cb6d1ccc9f25e11753bd7d985b32)
LIBRARY AND EXTENSIONS
Subject: Replace Class::Template with improved Class::Struct
From: Jim Miner <jfm@winternet.com>
Files: MANIFEST lib/Class/Struct.pm lib/Class/Template.pm lib/File/stat.pm lib/Net/hostent.pm lib/Net/netent.pm lib/Net/protoent.pm lib/Net/servent.pm lib/Time/gmtime.pm lib/Time/localtime.pm lib/Time/tm.pm lib/User/grent.pm lib/User/pwent.pm pod/perldelta.pod pod/perlfaq7.pod pod/perlmod.pod pod/perltoot.pod
Subject: MakeMaker pathname patch
Date: Wed, 9 Apr 1997 20:08:23 +0100
From: Nick Ing-Simmons <nik@tiuk.ti.com>
Files: lib/ExtUtils/MM_Unix.pm lib/ExtUtils/MakeMaker.pm
Msg-ID: 199704091908.UAA00877@ni-s.u-net.com
(applied based on p5p patch as commit 9cbbd68ff8edc7de96e3471de49538d0b2b98173)
Subject: Fix configuration of new socket
From: Chip Salzenberg <chip@perl.com>
Files: ext/IO/lib/IO/Socket.pm
Diffstat (limited to 'pod/perlvar.pod')
-rw-r--r-- | pod/perlvar.pod | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod index 00b97bad1e..198e5c12a3 100644 --- a/pod/perlvar.pod +++ b/pod/perlvar.pod @@ -490,8 +490,9 @@ The effective uid of this process. Example: $< = $>; # set real to effective uid ($<,$>) = ($>,$<); # swap real and effective uid -(Mnemonic: it's the uid you went I<TO>, if you're running setuid.) Note: -"C<$E<lt>>" and "C<$E<gt>>" can be swapped on only machines supporting setreuid(). +(Mnemonic: it's the uid you went I<TO>, if you're running setuid.) +Note: "C<$E<lt>>" and "C<$E<gt>>" can be swapped only on machines +supporting setreuid(). =item $REAL_GROUP_ID @@ -503,8 +504,14 @@ The real gid of this process. If you are on a machine that supports membership in multiple groups simultaneously, gives a space separated list of groups you are in. The first number is the one returned by getgid(), and the subsequent ones by getgroups(), one of which may be -the same as the first number. (Mnemonic: parentheses are used to I<GROUP> -things. The real gid is the group you I<LEFT>, if you're running setgid.) +the same as the first number. + +However, a value assigned to "C<$(>" must be a single number used to +set the real gid. So the value given by "C<$(>" should I<not> be assigned +back to "C<$(>" without being forced numeric, such as by adding zero. + +(Mnemonic: parentheses are used to I<GROUP> things. The real gid is the +group you I<LEFT>, if you're running setgid.) =item $EFFECTIVE_GROUP_ID @@ -516,15 +523,21 @@ The effective gid of this process. If you are on a machine that supports membership in multiple groups simultaneously, gives a space separated list of groups you are in. The first number is the one returned by getegid(), and the subsequent ones by getgroups(), one of -which may be the same as the first number. (Mnemonic: parentheses are -used to I<GROUP> things. The effective gid is the group that's I<RIGHT> for -you, if you're running setgid.) +which may be the same as the first number. + +Similarly, a value assigned to "C<$)>" must also be a space-separated +list of numbers. The first number is used to set the effective gid, and +the rest (if any) are passed to setgroups(). To get the effect of an +empty list for setgroups(), just repeat the new effective gid; that is, +to force an effective gid of 5 and an effectively empty setgroups() +list, say C< $) = "5 5" >. + +(Mnemonic: parentheses are used to I<GROUP> things. The effective gid +is the group that's I<RIGHT> for you, if you're running setgid.) Note: "C<$E<lt>>", "C<$E<gt>>", "C<$(>" and "C<$)>" can be set only on machines that support the corresponding I<set[re][ug]id()> routine. "C<$(>" -and "C<$)>" can be swapped on only machines supporting setregid(). Because -Perl doesn't currently use initgroups(), you can't set your group vector to -multiple groups. +and "C<$)>" can be swapped only on machines supporting setregid(). =item $PROGRAM_NAME |