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Diffstat (limited to 'mcon/U/d_fsync.U')
| -rw-r--r-- | mcon/U/d_fsync.U | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/mcon/U/d_fsync.U b/mcon/U/d_fsync.U new file mode 100644 index 0000000..0bc9e4a --- /dev/null +++ b/mcon/U/d_fsync.U @@ -0,0 +1,41 @@ +?RCS: +?RCS: Copyright (c) 2013 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: +?MAKE:d_fsync: Trylink cat i_unistd +?MAKE: -pick add $@ %< +?S:d_fsync: +?S: This variable conditionally defines the HAS_FSYNC symbol, which +?S: indicates to the C program that the fsync() routine is available +?S: to synchronize a file's in-core state with the storage device. +?S:. +?C:HAS_FSYNC: +?C: This symbol, if defined, indicates that the fsync routine is available +?C: to synchronize a file's in-core state with the storage device. +?C:. +?H:#$d_fsync HAS_FSYNC /**/ +?H:. +?LINT:set d_fsync +: see if fsync exists +$cat >try.c <<EOC +#include <sys/types.h> +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include <unistd.h> +#endif +int main(void) +{ + static int ret, fd; + ret |= fsync(fd); + return ret ? 0 : 1; +} +EOC +cyn=fsync +set d_fsync +eval $trylink + |