Initial commit

1 files changed, 27 insertions, 0 deletions

diff --git a/sys/etc/prsignal.x b/sys/etc/prsignal.x
new file mode 100644
index 00000000..0ec647a0
--- /dev/null
+++ b/sys/etc/prsignal.x
@@ -0,0 +1,27 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<config.h>
+include	<syserr.h>
+include	<knet.h>
+
+# PRSIGNAL -- Send a signal (interrupt) to a child process.  It is an error
+# if the pid given is not found in the process table.
+
+procedure prsignal (pid, signal)
+
+int	pid			# process-id of child process
+int	signal			# code of signal to be sent (e.g. X_INT)
+
+int	child
+int	pr_findproc()
+include	"prc.com"
+errchk	syserr
+
+begin
+	child = pr_findproc (pid)
+	if (child != ERR)
+	    call zintpr (pid, signal, child)
+
+	if (child == ERR)
+	    call syserr (SYS_PRSIGNAL)
+end