Imported Upstream version 93u+upstream

1 files changed, 137 insertions, 0 deletions

diff --git a/src/lib/libcoshell/colib.h b/src/lib/libcoshell/colib.h
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+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1990-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+/*
+ * Glenn Fowler
+ * AT&T Research
+ *
+ * coshell library private definitions
+ */
+
+#ifndef _COLIB_H
+#define _COLIB_H
+
+#include <ast.h>
+#include <dt.h>
+#include <vmalloc.h>
+
+#define _CO_JOB_PRIVATE_		/* Cojob_t private additions	*/ \
+	Cojob_t*	next;		/* next in list			*/ \
+	Coservice_t*	service;	/* service 			*/ \
+	int		pid;		/* pid				*/ \
+	char*		out;		/* serialized stdout file	*/ \
+	char*		err;		/* serialized stderr file	*/ \
+					/* end of private additions	*/
+
+#define _CO_SHELL_PRIVATE_		/* Coshell_t private additions	*/ \
+	Vmalloc_t*	vm;		/* Coshell_t vm			*/ \
+	Coshell_t*	next;		/* next in list			*/ \
+	Cojob_t*	jobs;		/* job list			*/ \
+	Coservice_t*	service;	/* service 			*/ \
+	Dt_t*		export;		/* coexport() dictionary	*/ \
+	Dtdisc_t*	exdisc;		/* coexport() discipline	*/ \
+	struct Coinit_s			/* initialization script state	*/ \
+	{								   \
+	char*		script;		/* initialization script	*/ \
+	dev_t		pwd_dev;	/* previous pwd dev		*/ \
+	ino_t		pwd_ino;	/* previous pwd inode number	*/ \
+	int		mask;		/* previous umask		*/ \
+	int		sync;		/* sync script			*/ \
+	}		init;						   \
+	int		cmdfd;		/* command pipe fd		*/ \
+	int		gsmfd;		/* msgfp child write side	*/ \
+	int		mask;		/* CO_* flags to clear		*/ \
+	int		mode;		/* connection modes		*/ \
+	int		svc_outstanding;/* outstanding service intercepts */ \
+	int		svc_running;	/* running service intercepts	*/ \
+	int		pid;		/* pid				*/ \
+	int		index;		/* coshell index		*/ \
+	int		slots;		/* number of job slots		*/ \
+					/* end of private additions	*/
+
+typedef struct Coexport_s
+{
+	Dtlink_t	link;
+	char*		value;
+	char		name[1];
+} Coexport_t;
+
+struct Coservice_s;
+typedef struct Coservice_s Coservice_t;
+
+struct Coservice_s			/* service info			*/
+{
+	Coservice_t*	next;		/* next in list			*/
+	char*		name;		/* instance name		*/
+	char*		path;		/* coexec() command path	*/
+	char*		db;		/* state/db path		*/
+	int		fd;		/* command pipe			*/
+	int		pid;		/* pid				*/
+	char*		argv[16];	/* coexec() command argv[]	*/
+};
+
+#include <coshell.h>
+#include <error.h>
+#include <sig.h>
+#include <wait.h>
+
+#define state		_coshell_info_	/* hide external symbol		*/
+
+#define CO_MODE_ACK		(1<<0)	/* wait for coexec() ack	*/
+#define CO_MODE_INDIRECT	(1<<1)	/* indirect CO_SERVER		*/
+#define CO_MODE_SEPARATE	(1<<2)	/* 1 shell+wait per action	*/
+
+#define CO_INIT		(CO_USER>>1)	/* initial command		*/
+
+#define CO_PID_FREE	(-3)		/* free job slot		*/
+#define CO_PID_WARPED	(-2)		/* exit before start message	*/
+#define CO_PID_ZOMBIE	(-1)		/* ready for wait		*/
+
+#define CO_BUFSIZ	(PATH_MAX/2)	/* temporary buffer size	*/
+#define CO_MAXEVAL	(PATH_MAX*8)	/* max eval'd action size	*/
+
+typedef struct Costate_s		/* global coshell state		*/
+{
+	const char*	lib;		/* library id			*/
+	Coshell_t*	coshells;	/* list of all coshells		*/
+	Coshell_t*	current;	/* current coshell		*/
+	Coshell_t*	generic;	/* generic coshell for coinit()	*/
+	char*		pwd;		/* pwd				*/
+	char*		sh;		/* sh from first coopen()	*/
+	char*		type;		/* CO_ENV_TYPE value		*/
+	int		init;		/* 0 if first coopen()		*/
+	int		index;		/* last coshell index		*/
+} Costate_t;
+
+extern char 		coident[];	/* coshell ident script		*/
+extern char 		cobinit[];	/* bsh initialition script	*/
+extern char 		cokinit[];	/* ksh initialition script	*/
+extern char* 		co_export[];	/* default export var list	*/
+
+extern Costate_t	state;		/* global coshell info		*/
+
+#ifndef errno
+extern int		errno;
+#endif
+
+extern char*		costash(Sfio_t*);
+extern char*		coinitialize(Coshell_t*, int);
+
+#endif