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.\" ========================================================================
.\"
.IX Title "SM2FILE 1"
.TH SM2FILE 1 "2014-07-08" "perl v5.20.1" "ICI executables"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
sm2file \- shared\-memory linked list data extraction test program
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBsm2file\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBsm2file\fR stress-tests shared-memory linked list data extraction by
retrieving and deleting all text file lines inserted into a shared-memory
linked list that is the root object of a \s-1PSM\s0 partition named \*(L"file2sm\*(R".
.PP
The operation of \fBsm2file\fR echoes the cyclical operation of \fBfile2sm\fR:
the \s-1EOF\s0 lines inserted into the linked list by \fBfile2sm\fR punctuate the
writing of files that are copies of \fBfile2sm\fR's original source text file.
The name of each file written by \fBsm2file\fR is file_copy_\fIcycleNbr\fR,
where \fIcycleNbr\fR is, in effect, the count of \s-1EOF\s0 lines encountered in the
linked list up to the point at which the writing of this file began.
.PP
\&\fBsm2file\fR may catch up with the data ingestion activity of \fBfile2sm\fR,
in which case it blocks (taking the \fBfile2sm\fR test semaphore) until
the linked list is no longer empty.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
.ie n .IP """0""" 4
.el .IP "``0''" 4
.IX Item "0"
\&\fBsm2file\fR has terminated.
.SH "FILES"
.IX Header "FILES"
No configuration files are needed.
.SH "ENVIRONMENT"
.IX Header "ENVIRONMENT"
No environment variables apply.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
.IP "can't attach to shared memory" 4
.IX Item "can't attach to shared memory"
Operating system error.  Check errtext, correct problem, and rerun.
.IP "Can't manage shared memory." 4
.IX Item "Can't manage shared memory."
\&\s-1PSM\s0 error.  Check for earlier diagnostics describing the cause of the
error; correct problem and rerun.
.IP "Can't create shared memory list." 4
.IX Item "Can't create shared memory list."
\&\s-1PSM\s0 error.  Check for earlier diagnostics describing the cause of the
error; correct problem and rerun.
.IP "Can't create semaphore." 4
.IX Item "Can't create semaphore."
\&\s-1ION\s0 system error.  Check for earlier diagnostics describing the cause of the
error; correct problem and rerun.
.IP "Can't open output file" 4
.IX Item "Can't open output file"
Operating system error.  Check errtext, correct problem, and rerun.
.IP "can't write to output file" 4
.IX Item "can't write to output file"
Operating system error.  Check errtext, correct problem, and rerun.
.SH "BUGS"
.IX Header "BUGS"
Report bugs to <ion\-bugs@korgano.eecs.ohiou.edu>
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIfile2sm\fR\|(1), \fIsmlist\fR\|(3), \fIpsm\fR\|(3)