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+'\" et
+.TH PAUSE "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.\"
+.SH NAME
+pause
+\(em suspend the thread until a signal is received
+.SH SYNOPSIS
+.LP
+.nf
+#include <unistd.h>
+.P
+int pause(void);
+.fi
+.SH DESCRIPTION
+The
+\fIpause\fR()
+function shall suspend the calling thread until delivery of a signal
+whose action is either to execute a signal-catching function or to
+terminate the process.
+.P
+If the action is to terminate the process,
+\fIpause\fR()
+shall not return.
+.P
+If the action is to execute a signal-catching function,
+\fIpause\fR()
+shall return after the signal-catching function returns.
+.SH "RETURN VALUE"
+Since
+\fIpause\fR()
+suspends thread execution indefinitely unless interrupted by a signal,
+there is no successful completion return value. A value of \-1 shall
+be returned and
+.IR errno
+set to indicate the error.
+.SH ERRORS
+The
+\fIpause\fR()
+function shall fail if:
+.TP
+.BR EINTR
+A signal is caught by the calling process and control is returned from
+the signal-catching function.
+.LP
+.IR "The following sections are informative."
+.SH EXAMPLES
+None.
+.SH "APPLICATION USAGE"
+Many common uses of
+\fIpause\fR()
+have timing windows. The scenario involves checking a condition
+related to a signal and, if the signal has not occurred, calling
+\fIpause\fR().
+When the signal occurs between the check and the call to
+\fIpause\fR(),
+the process often blocks indefinitely. The
+\fIsigprocmask\fR()
+and
+\fIsigsuspend\fR()
+functions can be used to avoid this type of problem.
+.SH RATIONALE
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fIsigsuspend\fR\^(\|)"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<unistd.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+In the event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .
+.PP
+Any typographical or formatting errors that appear
+in this page are most likely
+to have been introduced during the conversion of the source files to
+man page format. To report such errors, see
+https://www.kernel.org/doc/man-pages/reporting_bugs.html .