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Diffstat (limited to 'mcon/U/d_madvise.U')
| -rw-r--r-- | mcon/U/d_madvise.U | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/mcon/U/d_madvise.U b/mcon/U/d_madvise.U new file mode 100644 index 0000000..6473b85 --- /dev/null +++ b/mcon/U/d_madvise.U @@ -0,0 +1,43 @@ +?RCS: $Id: d_madvise.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 2006, Christian Biere +?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: +?MAKE:d_madvise: Trylink cat i_sysmman +?MAKE: -pick add $@ %< +?S:d_madvise: +?S: This variable conditionally defines the HAS_MADVISE symbol, which +?S: indicates to the C program that the madvise() routine is available. +?S:. +?C:HAS_MADVISE: +?C: This symbol, if defined, indicates that the madvise routine is +?C: available. +?C:. +?H:#$d_madvise HAS_MADVISE /**/ +?H:. +?LINT:set d_madvise +: see if madvise exists +$cat >try.c <<EOC +#include <sys/types.h> +#$i_sysmman I_SYS_MMAN +#ifdef I_SYS_MMAN +#include <sys/mman.h> +#endif +int main(void) +{ + static int ret; + static void *p; + size_t len = 1024; + ret |= madvise(p, len, 1); + return ret ? 0 : 1; +} +EOC +cyn=madvise +set d_madvise +eval $trylink + |