| … | |
… | |
| 83 | and higher). |
83 | and higher). |
| 84 | |
84 | |
| 85 | However, windows doesn't support asynchronous file descriptor passing, so |
85 | However, windows doesn't support asynchronous file descriptor passing, so |
| 86 | the source process must still be around when the destination process wants |
86 | the source process must still be around when the destination process wants |
| 87 | to receive the file handle. Also, if the target process fails to fetch the |
87 | to receive the file handle. Also, if the target process fails to fetch the |
| 88 | handle, the handle will leak, so never do that. |
88 | handle for any reason (crashes, fails to call C<recv> etc.), the handle |
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89 | will leak, so never do that. |
| 89 | |
90 | |
| 90 | Also, on windows, the receiving process must have the PROCESS_DUP_HANDLE |
91 | Also, on windows, the receiving process must have the PROCESS_DUP_HANDLE |
| 91 | access right on the sender process for this module to work. |
92 | access right on the sender process for this module to work. |
| 92 | |
93 | |
| 93 | Cygwin is not supported at the moment, as file descriptor passing in |
94 | Cygwin is not supported at the moment, as file descriptor passing in |
| … | |
… | |
| 96 | one isn't exposed to programs, and only used for stdin/out/err. Sigh. |
97 | one isn't exposed to programs, and only used for stdin/out/err. Sigh. |
| 97 | |
98 | |
| 98 | =head1 OTHER MODULES |
99 | =head1 OTHER MODULES |
| 99 | |
100 | |
| 100 | At the time of this writing, the author of this module was aware of two |
101 | At the time of this writing, the author of this module was aware of two |
| 101 | other file descriptor passing modules on CPAN: L<Linux::FDPasser> and |
102 | other file descriptor passing modules on CPAN: L<File::FDPasser> and |
| 102 | L<AnyEvent::FDPasser>. |
103 | L<AnyEvent::FDPasser>. |
| 103 | |
104 | |
| 104 | The former hasn't seen any release for over a decade, isn't 64 bit clean |
105 | The former hasn't seen any release for over a decade, isn't 64 bit clean |
| 105 | and it's author didn't respond to my mail with the fix. It does, however, |
106 | and it's author didn't respond to my mail with the fix, so doesn't work on |
| 106 | support a number of pre-standard unices. |
107 | many 64 bit machines. It does, however, support a number of pre-standard |
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108 | unices, basically everything of relevance at the time it was written. |
| 107 | |
109 | |
| 108 | The latter seems to have similar support for antique unices, and doesn't |
110 | The latter seems to have similar support for antique unices, and doesn't |
| 109 | seem to suffer from 64 bit bugs, but inexplicably has a large perl part, |
111 | seem to suffer from 64 bit bugs, but inexplicably has a large perl part, |
| 110 | and requires AnyEvent. Presumably that makes it much more user friendly |
112 | and requires AnyEvent. Presumably that makes it much more user friendly |
| 111 | than this module. |
113 | than this module (skimming the manpage shows that a lot of thought has |
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114 | gone into it, and you are well advised to read it and maybe use it before |
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115 | trying a low-level module such as this one). |
| 112 | |
116 | |
| 113 | Neither seems to support native win32 perls. |
117 | Neither seems to support native win32 perls. |
| 114 | |
118 | |
| 115 | =head1 AUTHOR |
119 | =head1 AUTHOR |
| 116 | |
120 | |
