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Diffstat (limited to 'mcon/U/d_pipe.U')
| -rw-r--r-- | mcon/U/d_pipe.U | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/mcon/U/d_pipe.U b/mcon/U/d_pipe.U new file mode 100644 index 0000000..a0cd165 --- /dev/null +++ b/mcon/U/d_pipe.U @@ -0,0 +1,47 @@ +?RCS: $Id: d_pipe.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: Original Author: Andy Dougherty <doughera@lafcol.lafayette.edu> +?RCS: +?RCS: $Log: d_pipe.U,v $ +?RCS: Revision 3.0.1.1 1994/08/29 16:11:44 ram +?RCS: patch32: created by ADO +?RCS: +?MAKE:d_pipe: Trylink cat i_unistd +?MAKE: -pick add $@ %< +?S:d_pipe: +?S: This variable conditionally defines the HAS_PIPE symbol, which +?S: indicates to the C program that the pipe() routine is available +?S: to create an inter-process channel. +?S:. +?C:HAS_PIPE : +?C: This symbol, if defined, indicates that the pipe routine is +?C: available to create an inter-process channel. +?C:. +?H:#$d_pipe HAS_PIPE /**/ +?H:. +?LINT:set d_pipe +: see if pipe exists +$cat >try.c <<EOC +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include <unistd.h> +#endif +int main(void) +{ + static int fds[2], ret; + ret |= pipe(fds); + return ret ? 0 : 1; +} +EOC +cyn=pipe +set d_pipe +eval $trylink + |