1 files changed, 64 insertions, 0 deletions
diff --git a/lib/C/fake/setsid.C b/lib/C/fake/setsid.C
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+/*
+ * setsid.C -- A setsid replacement.
+ */
+
+/*
+ * $Id: setsid.C,v 3.0.1.1 1994/01/24 13:58:47 ram Exp ram $
+ *
+ *  Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+ *  
+ *  You may redistribute only under the terms of the Artistic Licence,
+ *  as specified in the README file that comes with the distribution.
+ *  You may reuse parts of this distribution only within the terms of
+ *  that same Artistic Licence; a copy of which may be found at the root
+ *  of the source tree for dist 4.0.
+ *
+ * $Log: setsid.C,v $
+ * Revision 3.0.1.1  1994/01/24  13:58:47  ram
+ * patch16: created
+ *
+ */
+
+#include "config.h"
+#include "confmagic.h"		/* Remove if not metaconfig -M */
+
+#ifndef HAS_SETSID
+/*
+ * setsid
+ *
+ * Set the process group ID and create a new session for the process.
+ *
+ * This is a pale imitation of the setsid() system call, since a session
+ * and a process group are two distinct things for the kernel. However,
+ * when setsid() is not available, the effects should be comparable.
+ */
+V_FUNC_VOID(int setsid)
+{
+	int error = 0;
+
+#ifdef HAS_SETPGID
+	/*
+	 * setpgid() supersedes setpgrp() in OSF/1.
+	 */
+	error = setpgid(0 ,getpid());
+#else
+#ifdef HAS_SETPGRP
+	/*
+	 * Good old way to get a process group leader.
+	 */
+#ifdef USE_BSDPGRP
+	error = setpgrp(0 ,getpid());	/* bsd way */
+#else
+	error = setpgrp();				/* usg way */
+#endif
+#endif
+#endif
+
+	/*
+	 * When none of the above is defined, do nothing.
+	 */
+
+	return error;
+}
+#endif
+