Changes between Version 1 and Version 2 of Ticket #19133, comment 7
- Timestamp:
- Aug 11, 2020 1:22:12 PM (4 years ago)
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Ticket #19133, comment 7
v1 v2 1 to picture the description in a bit more detail, that's what happens 2 when you attempt to use the pipe from the host inside the guest: 1 to picture the description in a bit more detail, that's what happens when you attempt to use the named pipe/fifo from the host inside the guest: 3 2 4 3 {{{ … … 20 19 Birth: 2020-08-10 14:53:46.069672000 +0200 21 20 }}} 22 ### now open the pipe/file:21 ### now open the named pipe/fifo file: 23 22 {{{ 24 23 [fbatschu@localhost sf_Music]$ cat TEST_PIPE … … 40 39 [<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 41 40 }}} 42 ### write something on the host into the pipe41 ### write something on the host into the named pipe/fifo: 43 42 {{{ 44 43 fbatschu@lserver:~/Music$ echo bla > TEST_PIPE 45 44 }}} 46 ### and the cat in the guest which has the pipe/file open fails47 ### with an error45 ### and the cat in the guest which has the named pipe/fifo file 46 ### open fails with an error 48 47 {{{ 49 48 [fbatschu@localhost sf_Music]$ cat TEST_PIPE 50 49 cat: TEST_PIPE: Protocol error 51 50 }}} 52 ### from inside the guest you cannot create a pipe in the 53 ### shared folder: 51 ### from inside the guest you cannot create a named pipe/fifo ### file in the shared folder file system: 54 52 {{{ 55 53 [fbatschu@localhost sf_Music]$ mkfifo TEST_PIPE_2 56 54 mkfifo: cannot create fifo 'TEST_PIPE_2': Operation not permitted 57 55 }}} 58 ### guest writes data to pipefile:56 ### guest writes data to named pipe/fifo file: 59 57 {{{ 60 58 [fbatschu@localhost sf_Music]$ echo "guest" > TEST_PIPE … … 63 61 1 64 62 }}} 65 ### host process reading from pipe unblocks but receives no data: 63 ### host process reading from named pipe/fifo unblocks 64 ### but receives no data: 66 65 {{{ 67 66 fbatschu@lserver:~/Music$ cat TEST_PIPE

