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alarm() on Windows cannot interrupt blocking I/O
author
Jan Dubois
<jand@activestate.com>
Wed, 21 Jul 2010 01:48:59 +0000
(18:48 -0700)
committer
Jan Dubois
<jand@activestate.com>
Wed, 21 Jul 2010 02:04:03 +0000
(19:04 -0700)
pod/perlport.pod
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a/pod/perlport.pod
b/pod/perlport.pod
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791c90d
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--- a/
pod/perlport.pod
+++ b/
pod/perlport.pod
@@
-1517,6
+1517,12
@@
suffixes. C<-S> is meaningless. (Win32)
C<-x> (or C<-X>) determine if a file has an executable file type.
(S<RISC OS>)
+=item alarm
+
+Emulated using timers that must be explicitly polled whenever Perl
+wants to dispatch "safe signals" and therefore cannot interrupt
+blocking system calls. (Win32)
+
=item atan2
Due to issues with various CPUs, math libraries, compilers, and standards,