oops, dropped leading 'f'
Minor markup tweaks (Sy instead of Nm).
fix incorrect standard citations
first round of POSIX 2008 stuff

          --- old/usr/src/man/man3c/usleep.3c
          +++ new/usr/src/man/man3c/usleep.3c
   1      -'\" te
   2    1  .\" Copyright (c) 2008, Sun Microsystems, Inc. All Rights Reserved.
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   9      -.TH USLEEP 3C "Feb 5, 2008"
  10      -.SH NAME
  11      -usleep \- suspend execution for interval in microseconds
  12      -.SH SYNOPSIS
  13      -.LP
  14      -.nf
  15      -#include <unistd.h>
  16      -
  17      -\fBint\fR \fBusleep\fR(\fBuseconds_t\fR \fIuseconds\fR);
  18      -.fi
  19      -
  20      -.SH DESCRIPTION
  21      -.sp
  22      -.LP
  23      -The \fBusleep()\fR function suspends the caller from execution for the number
  24      -of microseconds specified by the \fIuseconds\fR argument. The actual suspension
        8 +.Dd "Jul 20, 2014"
        9 +.Dt USLEEP 3C
       10 +.Os
       11 +.Sh NAME
       12 +.Nm usleep
       13 +.Nd suspend execution for interval in microseconds
       14 +.Sh SYNOPSIS
       15 +.In unistd.h
       16 +.Ft int
       17 +.Fn usleep "useconds_t useconds"
       18 +.Sh DESCRIPTION
       19 +The
       20 +.Fn usleep
       21 +function suspends the caller from execution for the number
       22 +of microseconds specified by the
       23 +.Fa useconds
       24 +argument. The actual suspension
  25   25  time might be less than requested because any caught signal will terminate
  26      -\fBusleep()\fR following execution of that signal's catching routine. The
       26 +.Fn usleep
       27 +following execution of that signal's catching routine. The
  27   28  suspension time might be longer than requested by an arbitrary amount because
  28   29  of the scheduling of other activity in the system.
  29      -.sp
  30      -.LP
  31      -If the value of \fIuseconds\fR is 0, then the call has no effect.
  32      -.sp
  33      -.LP
  34      -The use of the \fBusleep()\fR function has no effect on the action or blockage
       30 +.Lp
       31 +If the value of
       32 +.Fa useconds
       33 +is 0, then the call has no effect.
       34 +.Lp
       35 +The use of the
       36 +usleep
       37 +function has no effect on the action or blockage
  35   38  of any signal. In a multithreaded process, only the invoking thread is
  36   39  suspended from execution.
  37      -.SH RETURN VALUES
  38      -.sp
  39      -.LP
  40      -On completion, \fBusleep()\fR returns \fB0\fR. There are no error returns.
  41      -.SH ERRORS
  42      -.sp
  43      -.LP
       40 +.Sh RETURN VALUES
       41 +On completion,
       42 +.Fn usleep
       43 +returns 0. There are no error returns.
       44 +.Sh ERRORS
  44   45  No errors are returned.
  45      -.SH USAGE
  46      -.sp
  47      -.LP
  48      -The \fBusleep()\fR function is included for its historical usage.  The
  49      -\fBnanosleep\fR(3C) function is preferred over this function.
  50      -.SH ATTRIBUTES
  51      -.sp
  52      -.LP
  53      -See \fBattributes\fR(5) for descriptions of the following attributes:
  54      -.sp
  55      -
  56      -.sp
  57      -.TS
  58      -box;
  59      -c | c
  60      -l | l .
  61      -ATTRIBUTE TYPE  ATTRIBUTE VALUE
  62      -_
  63      -Interface Stability     Committed
  64      -_
  65      -MT-Level        Safe
  66      -_
  67      -Standard        See \fBstandards\fR(5).
  68      -.TE
  69      -
  70      -.SH SEE ALSO
  71      -.sp
  72      -.LP
  73      -\fBnanosleep\fR(3C), \fBsleep\fR(3C), \fBattributes\fR(5), \fBstandards\fR(5)
       46 +.Sh USAGE
       47 +The
       48 +.Fn usleep
       49 +function is included for its historical usage and is Obsolete.  The
       50 +.Xr nanosleep 3C
       51 +function is preferred over this function.
       52 +.Sh INTERFACE STABILITY
       53 +.Sy Obsolete Standard .
       54 +.Sh MT-LEVEL
       55 +.Sy Safe .
       56 +.Sh SEE ALSO
       57 +.Xr nanosleep 3C ,
       58 +.Xr sleep 3C ,
       59 +.Xr standards 5
       60 +.Sh STANDARDS
       61 +The
       62 +.Fn usleep
       63 +function was introduced in
       64 +.Bx 4.3 ,
       65 +and then standardized in
       66 +.St -xpg4.2 .
       67 +It was subsequently obsoleted in
       68 +.St -p1003.1-2001 ,
       69 +and removed from
       70 +.St -p1003.1-2008 .
    

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