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author | Ævar Arnfjörð Bjarmason <avar@cpan.org> | 2010-04-19 20:47:43 +0100 |
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committer | Leon Brocard <acme@astray.com> | 2010-04-19 20:47:43 +0100 |
commit | 3506daea5866a929e3679f0f37d5166884362eb3 (patch) | |
tree | 2bc1601d9a70d6f20145036f8860d4b982a80bb6 /pod/perl5130delta.pod | |
parent | 4207d19c588387e70524000ff324caaf2ca59f41 (diff) | |
download | perl-3506daea5866a929e3679f0f37d5166884362eb3.tar.gz |
Document prctl() via $0 assignment (7636ea95c5) in perldelta
Diffstat (limited to 'pod/perl5130delta.pod')
-rw-r--r-- | pod/perl5130delta.pod | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pod/perl5130delta.pod b/pod/perl5130delta.pod index 93cd22e51f..a1a2d0ef6b 100644 --- a/pod/perl5130delta.pod +++ b/pod/perl5130delta.pod @@ -39,6 +39,15 @@ still be dispatched within the same statement as they were previously - if this is not the case, or it is possible to create uninterruptable loops, this is a bug, and reports are encouraged of how to recreate such issues. +=head2 Assignment to C<$0> sets the legacy process name with C<prctl()> on Linux + +On Linux the legacy process name will be set with L<prctl(2)>, in +addition to altering the POSIX name via C<argv[0]> as perl has done +since version 4.000. Now system utilities that read the legacy process +name such as ps, top and killall will recognize the name you set when +assigning to C<$0>. The string you supply will be cut off at 16 bytes, +this is a limitation imposed by Linux. + =head1 New Platforms XXX List any platforms that this version of perl compiles on, that previous |