projects / unix-history / blame
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1 | .\" Copyright (c) 1980, 1991, 1993 |
| 2 | .\" The Regents of the University of California. All rights reserved. | |
| 3619c480 | 3 | .\" |
| ae59e04c | 4 | .\" %sccs.include.redist.man% |
| 3619c480 | 5 | .\" |
| 74155b62 | 6 | .\" @(#)pause.3 8.1 (Berkeley) %G% |
| ae59e04c CL |
7 | .\" |
| 8 | .Dd | |
| 9 | .Dt PAUSE 3 | |
| 10 | .Os BSD 4 | |
| 11 | .Sh NAME | |
| 12 | .Nm pause | |
| 13 | .Nd stop until signal | |
| 14 | .Sh SYNOPSIS | |
| 15 | .Fd #include <unistd.h> | |
| 16 | .Ft int | |
| 17 | .Fn pause void | |
| 18 | .Sh DESCRIPTION | |
| 19 | .Bf -symbolic | |
| e3800388 | 20 | Pause is made obsolete by sigpause(3). |
| ae59e04c CL |
21 | .Ef |
| 22 | .Pp | |
| 23 | The | |
| 24 | .Fn pause | |
| 25 | function | |
| 26 | forces a process to pause until | |
| 27 | a signal is received from either the | |
| 28 | .Xr kill 2 | |
| 29 | function | |
| 30 | or an interval timer. | |
| 31 | (See | |
| 32 | .Xr setitimer 2 . ) | |
| 3619c480 | 33 | Upon termination of a signal handler started during a |
| ae59e04c | 34 | .Fn pause , |
| 3619c480 | 35 | the |
| ae59e04c | 36 | .Fn pause |
| 3619c480 | 37 | call will return. |
| ae59e04c | 38 | .Sh RETURN VALUES |
| 3eee9a2c | 39 | Always returns \-1. |
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40 | .Sh ERRORS |
| 41 | The | |
| 42 | .Fn pause | |
| 43 | function | |
| 3eee9a2c | 44 | always returns: |
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45 | .Bl -tag -width [EINTR] |
| 46 | .It Bq Er EINTR | |
| 3eee9a2c | 47 | The call was interrupted. |
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48 | .El |
| 49 | .Sh SEE ALSO | |
| 50 | .Xr kill 2 , | |
| 51 | .Xr select 2 , | |
| 52 | .Xr sigpause 2 | |
| 53 | .Sh HISTORY | |
| 54 | A | |
| 55 | .Fn pause | |
| 56 | syscall | |
| 57 | appeared in | |
| 58 | .At v6 . |