1 files changed, 29 insertions, 0 deletions
diff --git a/unix/os/zintpr.c b/unix/os/zintpr.c
new file mode 100644
index 00000000..3e47bca7
--- /dev/null
+++ b/unix/os/zintpr.c
@@ -0,0 +1,29 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include <stdio.h>
+#include <signal.h>
+#define	import_kernel
+#define	import_knames
+#define import_spp
+#include <iraf.h>
+
+/* ZINTPR -- Interrupt a connected subprocess, i.e., raise the exception X_INT
+ * in the subprocess.  On the UNIX system subprocesses ignore the UNIX SIGINT
+ * exception, hence we send SIGTERM instead and the exception handling code
+ * maps both to X_INT.
+ */
+int
+ZINTPR (
+  XINT	*pid,
+  XINT	*exception,		/* not used at present */
+  XINT	*status 
+)
+{
+	if (kill (*pid, SIGTERM) == ERR)
+	    *status = XERR;
+	else
+	    *status = XOK;
+
+	return (*status);
+}