From 0cc9b20c15460213e488bf5e70963b941482f628 Mon Sep 17 00:00:00 2001
From: William Harrington <kb0iic@berzerkula.org>
Date: Tue, 14 Jan 2025 16:06:02 -0600
Subject: Add source.

---
 sdk/proc/process.h | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 sdk/proc/process.h

(limited to 'sdk/proc/process.h')

diff --git a/sdk/proc/process.h b/sdk/proc/process.h
new file mode 100644
index 0000000..d65b765
--- /dev/null
+++ b/sdk/proc/process.h
@@ -0,0 +1,57 @@
+/*
+ * Portable process handling routines.
+ * $Id$
+ * Copyright (c) 1997 by Tycho Softworks.
+ * For conditions of distribution and reuse see product license.
+ */
+
+#ifndef	__PROC_PROCESS_H__
+#define	__PROC_PROCESS_H__
+
+#ifndef	__STD_PROCESS_H__
+#include <std/process.h>
+#endif
+
+/* Spawn services under UNIX fork()	*/
+
+#define	P_NOWAIT	0x00	/* Default, run concurrent */
+#define	P_WAIT		0x01	/* Wait for and return exit status */
+#define	P_BACKGROUND	0x02	/* Detach child from our stdio */
+#define	P_SESSION	0x04	/* Use setsid() on child */
+#define	P_OVERLAY	0x08	/* Really 'exec' called via spawn */
+
+/* Some common/portable spawn varients and masks */
+
+#define	P_DETACH	P_NOWAIT | P_SESSION | P_BACKGROUND
+#define	P_NOWAITO	P_NOWAIT | P_SESSION
+
+/* Daemon initialization options */
+
+#define	D_KEEPSTDIO	0	/* Daemon keeps stdio connection */
+#define	D_KEEPALL	1	/* Daemon keeps all open files */
+#define	D_KEEPNONIO	2	/* Detach from stdio, keep others open */
+#define	D_KEEPNONE	3	/* Deamon closes all files */
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* Common process invokation services using fork() */ 
+
+#ifdef	__NAMESPACE
+#define	spawnv	__NAMESPACE(spawnv)
+#define	spawnvp	__NAMESPACE(spawnvp)
+#define	pdetach	__NAMESPACE(pdetach)
+#define	priority __NAMEPSACE(priority)
+#endif
+
+int	spawnv(const int P_mode, const char *path, char *const argv[]);
+int	spawnvp(const int P_mode, const char *path, char *const argv[]);
+pid_t	pdetach(const int D_flag);	/* Make current process a daemon */
+int	priority(int pri);	/* set realtime priorities */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif
-- 
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