Is it possible to get EPIPE from write() to a file descriptor on an NFS disk?
문제
My C++ application seems to have gotten an EPIPE
errno result after a failing call to write()
. The file descriptor passed to write()
is for a file on an NFS mounted disk.
The man page for write()
describes EPIPE
with:
fd is connected to a pipe or socket whose reading end is closed. When this
happens the writing process will also receive a SIGPIPE signal. (Thus, the write
return value is seen only if the program catches, blocks or ignores this signal.)
So I am confused as to how I would get EPIPE
. Could it be that this is a multi-threading issue and the errno is incorrectly being supplied for a different thread? I thought errno is thread safe, so that seems unlikely, but then getting EPIPE seems to make no sense. This is on Centos v4.
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