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Diffstat (limited to 'mcon/U/d_waitpid.U')
-rw-r--r-- | mcon/U/d_waitpid.U | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/mcon/U/d_waitpid.U b/mcon/U/d_waitpid.U new file mode 100644 index 0000000..46f3806 --- /dev/null +++ b/mcon/U/d_waitpid.U @@ -0,0 +1,48 @@ +?RCS: $Id: d_waitpid.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: $Log: d_waitpid.U,v $ +?RCS: Revision 3.0 1993/08/18 12:08:02 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_waitpid: Trylink cat i_syswait +?MAKE: -pick add $@ %< +?S:d_waitpid: +?S: This variable conditionally defines HAS_WAITPID if waitpid() is +?S: available to wait for child process. +?S:. +?C:HAS_WAITPID (WAITPID): +?C: This symbol, if defined, indicates that the waitpid routine is +?C: available to wait for child process. +?C:. +?H:#$d_waitpid HAS_WAITPID /**/ +?H:. +?LINT:set d_waitpid +: see if waitpid exists +$cat >try.c <<EOC +#include <sys/types.h> +#$i_syswait I_SYS_WAIT +#ifdef I_SYS_WAIT +#include <sys/wait.h> +#endif +int main(void) +{ + static pid_t ret, pid; + static int status, options; + options |= WNOHANG; + options |= WUNTRACED; + ret |= waitpid(pid, &status, options); + return ret ? 0 : 1; +} +EOC +cyn=waitpid +set d_waitpid +eval $trylink + |