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author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
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committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
tree | 4464880c571602d54f6ae114729bf62a89518057 /sys/etc/prclose.x | |
download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'sys/etc/prclose.x')
-rw-r--r-- | sys/etc/prclose.x | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sys/etc/prclose.x b/sys/etc/prclose.x new file mode 100644 index 00000000..26e2702c --- /dev/null +++ b/sys/etc/prclose.x @@ -0,0 +1,32 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include <config.h> +include <syserr.h> +include <prstat.h> + +# PRCLOSE -- Close a connected subprocess. Send the command "bye" to the +# child to initiate process shutdown, then close the IPC channels and +# wait for the child to terminate, returning the termination status to +# our caller. Note that process shutdown may take an arbitrarily long +# time, depending on the number and nature of ONEXIT procedures posted by +# tasks in the the child process. + +int procedure prclose (pid) + +int pid # process-id of child process + +int child +int pr_findproc(), prclcpr() +include "prc.com" +errchk syserr + +begin + child = pr_findproc (pid) + if (child == ERR) + call syserr (SYS_PRNOTFOUND) + + if (pr_status[child] != P_DONE && pr_status[child] != P_DEAD) + call putline (pr_outfd[child], "bye\n") + + return (prclcpr (pid)) +end |