search for: myfifo

Hello I run into this problem on CentOS 5.7 (Final), that if I try to source a FIFO in bash, my command will be silently ignored and nothing from the FIFO is interpreted. Here is a simple example: [root at appserver2 ~]# mkfifo /tmp/myfifo [root at appserver2 ~]# echo ls -l >/tmp/myfifo & [2] 23771 [root at appserver2 ~]# source /tmp/myfifo # no `ls? output here... [root at appserver2 ~]# rm /tmp/myfifo rm: remove fifo `/tmp/myfifo'? y [2]+ Exit 1 echo ls -l > /tmp/myfifo [root at appserver2 ~]#...

...le like me not comfortable with patching their ssh server can probably take advantage of this workaround I wrote. This is just a "EOF to SIGHUP" converter implemented in 4 lines of shell script (it simply inserts a "cat" between sshd and the no longer orphan process). TUBE=/tmp/myfifo.$$; mkfifo "$TUBE" <"$TUBE" yourApplicationIgnoringEOFMoreOftenThanNot & appPID=$! # unlike the above, cat WILL notice the EOF and politely die cat >"$TUBE" kill -HUP -$appPID; rm "$TUBE" Feedback is welcome; do not hesitate to email me. --...

[Moved from -current to -stable] ???????? 21 ???????? 2006 16:23, Matthew Dillon ?? ????????: > ? ? You might be doing just writes to the mmap()'d memory, but the system > ? ? doesn't know that. Actually, it does. The program tells it, that I don't care to read, what's currently there, by specifying the PROT_READ flag only. > ? ? The moment you touch any mmap()'d