[issue23285] PEP 475 - EINTR handling

[Ned Deily]

Ned Deily added the comment:

With eintr-2.diff, fast!:

$ time ./python ~/Projects/PyDev/active/dev/3x/source/Lib/test/eintrdata/eintr_tester.py
test_read (__main__.OSEINTRTest) ... ok
test_wait (__main__.OSEINTRTest) ... ok
test_wait3 (__main__.OSEINTRTest) ... ok
test_wait4 (__main__.OSEINTRTest) ... ok
test_waitpid (__main__.OSEINTRTest) ... ok
test_write (__main__.OSEINTRTest) ... ok
test_accept (__main__.SocketEINTRTest) ... ok
test_recv (__main__.SocketEINTRTest) ... ok
test_recvmsg (__main__.SocketEINTRTest) ... ok
test_send (__main__.SocketEINTRTest) ... ok
test_sendall (__main__.SocketEINTRTest) ... ok
test_sendmsg (__main__.SocketEINTRTest) ... ok

----------------------------------------------------------------------
Ran 12 tests in 7.652s

OK

real	0m7.959s
user	0m2.573s
sys	0m1.604s

Instrumented test_send, 3 socket.send calls, many socket.recv_into calls:

test_send (__main__.SocketEINTRTest) ... rd SO_RCVBUF default was 8192, wr SO_SNDBUF default was 8192
len(data) = 16777215
 
 sent = 8192, total written = 8192
 sent = 4440064, total written = 4448256
 sent = 12328959, total written = 16777215
 
 received = 8192, total read = 8192
 received = 8192, total read = 16384
 received = 8192, total read = 24576
 [...]
 received = 8192, total read = 16760832
 received = 8192, total read = 16769024
 received = 8191, total read = 16777215

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23285>
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