[distcc] failure on FreeBSD7 amd64

[Roman Rybalko]

Roman Rybalko пишет:
> Hi all,
> I've just installed distcc on
> FreeBSD xxx.yyy.ru 7.0-CURRENT-200703 FreeBSD 7.0-CURRENT-200703 #0: Tue
> Mar  6 22:35:04 UTC 2007   
> root at stiles.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
> and found that sendfile() on it can (and often do) send partial file size.
> Seems, that it works some send-algorithm, I didn't find in manual what
> is it.
>
> I've attached simple patch to show the problem (and to fix it).
> Here the log:
> distccd[30529] (dcc_check_client) connection from 212.5.80.7:50383
> distccd[30529] compile from entry.cpp to entry.o
> distccd[30529] (dcc_pump_readwrite) Notice: need to transmit 872815 bytes
> distccd[30529] (dcc_r_file_timed) 872815 bytes received in 0.079618s,
> rate 10706kB/s
> distccd[30529] (dcc_collect_child) cc times: user 1.507591s, system
> 0.173373s, 15932 minflt, 0 majflt
> distccd[30529] (sys_sendfile) Notice: need to transmit 287352 bytes at
> offset 0
> distccd[30529] (sys_sendfile) Notice: transmitted 143992 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 143992 bytes; retrying 143360 @143992
> distccd[30529] (sys_sendfile) Notice: need to transmit 143360 bytes at
> offset 143992
> distccd[30529] (sys_sendfile) Notice: transmitted 73096 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 73096 bytes; retrying 70264 @217088
> distccd[30529] (sys_sendfile) Notice: need to transmit 70264 bytes at
> offset 217088
> distccd[30529] (sys_sendfile) Notice: transmitted 36864 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 36864 bytes; retrying 33400 @253952
> distccd[30529] (sys_sendfile) Notice: need to transmit 33400 bytes at
> offset 253952
> distccd[30529] (sys_sendfile) Notice: transmitted 17016 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 17016 bytes; retrying 16384 @270968
> distccd[30529] (sys_sendfile) Notice: need to transmit 16384 bytes at
> offset 270968
> distccd[30529] (sys_sendfile) Notice: transmitted 8824 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 8824 bytes; retrying 7560 @279792
> distccd[30529] (sys_sendfile) Notice: need to transmit 7560 bytes at
> offset 279792
> distccd[30529] (sys_sendfile) Notice: transmitted 4728 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 4728 bytes; retrying 2832 @284520
> distccd[30529] (sys_sendfile) Notice: need to transmit 2832 bytes at
> offset 284520
> distccd[30529] (sys_sendfile) Notice: transmitted 2200 bytes
> distccd[30529] (dcc_pump_sendfile) Notice: sendfile: partial
> transmission of 2200 bytes; retrying 632 @286720
> distccd[30529] (sys_sendfile) Notice: need to transmit 632 bytes at
> offset 286720
> distccd[30529] (sys_sendfile) Notice: transmitted 632 bytes
> distccd[30529] g++ entry.cpp on localhost completed ok
> distccd[30529] job complete
>   
BTW, this also happens on Linux-2.6.17

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