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| -rw-r--r-- | pod/perlfork.pod | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/pod/perlfork.pod b/pod/perlfork.pod index 832710a80c..8f3b919e7a 100644 --- a/pod/perlfork.pod +++ b/pod/perlfork.pod @@ -100,7 +100,7 @@ waiting for after the exec(). exit() always exits just the executing pseudo-process, after automatically wait()-ing for any outstanding child pseudo-processes. Note that this means that the process as a whole will not exit unless all running pseudo-processes -have exited. +have exited. See below for some limitations with open filehandles. =item Open handles to files, directories and network sockets @@ -177,6 +177,13 @@ the seek position in the parent will change it in the child and vice-versa. One can avoid this by opening files that need distinct seek pointers separately in the child. +On some operating systems, notably Solaris and Unixware, calling C<exit()> +from a child process will flush and close open filehandles in the parent, +thereby corrupting the filehandles. On these systems, calling C<_exit()> +is suggested instead. C<_exit()> is available in Perl through the +C<POSIX> module. Please consult your systems manpages for more information +on this. + =item Forking pipe open() not yet implemented The C<open(FOO, "|-")> and C<open(BAR, "-|")> constructs are not yet |