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Diffstat (limited to 'mcon/U/d_closefrom.U')
| -rw-r--r-- | mcon/U/d_closefrom.U | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/mcon/U/d_closefrom.U b/mcon/U/d_closefrom.U new file mode 100644 index 0000000..ce17bd7 --- /dev/null +++ b/mcon/U/d_closefrom.U @@ -0,0 +1,45 @@ +?RCS: $Id: d_closefrom.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_closefrom: Trylink cat i_unistd +?MAKE: -pick add $@ %< +?S:d_closefrom: +?S: This variable conditionally defines the HAS_CLOSEFROM symbol, which +?S: indicates to the C program that closefrom() support is available. +?S:. +?C:HAS_CLOSEFROM: +?C: This symbol is defined when closefrom() can be used. +?C:. +?H:#$d_closefrom HAS_CLOSEFROM +?H:. +?LINT: set d_closefrom +: can we use closefrom? +$cat >try.c <<EOC +#include <sys/types.h> +#include <stdlib.h> +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include <unistd.h> +#endif +int main(void) +{ + static const int fd = 1; + /* + * On Solaris it returns nothing + * On NetBSD it's equivalent to fcntl(fd, F_CLOSEM) + */ + closefrom(fd); + return 0; +} +EOC +cyn=closefrom +set d_closefrom +eval $trylink + |