Imported Upstream version 93u+upstream

1 files changed, 143 insertions, 0 deletions

diff --git a/src/lib/libcoshell/coshell.h b/src/lib/libcoshell/coshell.h
new file mode 100644
index 0000000..9063f14
--- /dev/null
+++ b/src/lib/libcoshell/coshell.h
@@ -0,0 +1,143 @@
+/***********************************************************************
+*                                                                      *
+*               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 interface
+ */
+
+#ifndef _COSHELL_H
+#define _COSHELL_H
+
+#include <ast.h>
+
+#if !_BLD_coshell
+
+#undef	procrun
+#define procrun(a,b,c)		coprocrun(a,b,c)
+#undef	system
+#define system(a)		cosystem(a)
+
+#endif
+
+struct Coshell_s; typedef struct Coshell_s Coshell_t;
+struct Cojob_s; typedef struct Cojob_s Cojob_t;
+
+/*
+ * DEPRECATED names for compatibility
+ */
+
+#define COSHELL		Coshell_t
+#define COJOB		Cojob_t
+
+#define CO_ID		"coshell"	/* library/command id		*/
+
+#define CO_ENV_ATTRIBUTES "COATTRIBUTES"/* coshell attributes env var	*/
+#define CO_ENV_EXPORT	"COEXPORT"	/* coshell env var export list	*/
+#define CO_ENV_HOST	"HOSTNAME"	/* coshell host name env var	*/
+#define CO_ENV_MSGFD	"_COSHELL_msgfd"/* msg fd			*/
+#define CO_ENV_OPTIONS	"COSHELL_OPTIONS"/* options environment var	*/
+#define CO_ENV_PROC	"NPROC" 	/* concurrency environment var	*/
+#define CO_ENV_SHELL	"COSHELL"	/* coshell path environment var	*/
+#define CO_ENV_TEMP	"COTEMP"	/* 10 char temp file base	*/
+#define CO_ENV_TYPE	"HOSTTYPE"	/* coshell host type env var	*/
+
+#define CO_OPT_ACK	"ack"		/* wait for server coexec() ack	*/
+#define CO_OPT_INDIRECT	"indirect"	/* indirect server connection	*/
+#define CO_OPT_SERVER	"server"	/* server connection		*/
+
+#define CO_QUANT	100		/* time quanta per sec		*/
+
+#define CO_ANY		0x000001	/* return any open coshell	*/
+#define CO_DEBUG	0x000002	/* library debug trace		*/
+#define CO_EXPORT	0x000004	/* export everything		*/
+#define CO_IGNORE	0x000008	/* ignore command errors	*/
+#define CO_LOCAL	0x000010	/* local affinity		*/
+#define CO_NONBLOCK	0x000020	/* don't block coexec if Q full	*/
+#define CO_SHELL	0x000040	/* shell using coshell!		*/
+#define CO_SILENT	0x000080	/* don't trace commands		*/
+
+#define CO_KSH		0x000100	/* coshell is ksh (readonly)	*/
+#define CO_SERVER	0x000200	/* coshell is server (readonly)	*/
+#define CO_OSH		0x000400	/* coshell is OLD (readonly)	*/
+
+#define CO_CROSS	0x000800	/* don't prepend local dirs	*/
+#define CO_DEVFD	0x001000	/* coshell handles /dev/fd/#	*/
+
+#define CO_SERIALIZE	0x002000	/* serialize stdout and stderr	*/
+#define CO_SERVICE	0x004000	/* service callouts		*/
+
+#define CO_APPEND	0x008000	/* append coexec() out/err	*/
+#define CO_SEPARATE	0x010000	/* 1 shell+wait per coexec()	*/
+#define CO_ORPHAN	0x020000	/* PROC_ORPHAN			*/
+
+#define CO_USER		0x100000	/* first user flag		*/
+
+struct Cojob_s				/* coshell job info		*/
+{
+	Coshell_t*	coshell;	/* running in this coshell	*/
+	int		id;		/* job id			*/
+	int		status;		/* exit status			*/
+	int		flags;		/* CO_* flags			*/
+	void*		local;		/* local info			*/
+	unsigned long	user;		/* user time in 1/CO_QUANT secs	*/
+	unsigned long	sys;		/* sys time in 1/CO_QUANT secs	*/
+#ifdef _CO_JOB_PRIVATE_
+	_CO_JOB_PRIVATE_		/* library private additions	*/
+#endif
+};
+
+struct Coshell_s			/* coshell connection info	*/
+{
+	void*		data;		/* user data, initially 0	*/
+	int		flags;		/* flags			*/
+	int		outstanding;	/* number of outstanding jobs	*/
+	int		running;	/* number of running jobs	*/
+	int		total;		/* number of coexec() jobs	*/
+	unsigned long	user;		/* user time in 1/CO_QUANT secs	*/
+	unsigned long	sys;		/* sys time in 1/CO_QUANT secs	*/
+	Sfio_t*		msgfp;		/* message stream for sfpoll()	*/
+#ifdef _CO_SHELL_PRIVATE_
+	_CO_SHELL_PRIVATE_		/* library private additions	*/
+#endif
+};
+
+extern int		coclose(Coshell_t*);
+extern Cojob_t*		coexec(Coshell_t*, const char*, int, const char*, const char*, const char*);
+extern char*		coinit(int);
+extern int		coexport(Coshell_t*, const char*, const char*);
+extern int		cokill(Coshell_t*, Cojob_t*, int);
+extern Coshell_t*	coopen(const char*, int, const char*);
+extern void		coquote(Sfio_t*, const char*, int);
+extern int		cosync(Coshell_t*, const char*, int, int);
+extern Cojob_t*		cowait(Coshell_t*, Cojob_t*, int);
+
+extern int		cojobs(Coshell_t*);
+extern int		copending(Coshell_t*);
+extern int		cozombie(Coshell_t*);
+
+extern int		coattr(Coshell_t*, const char*);
+
+extern int		coprocrun(const char*, char**, int);
+extern int		cosystem(const char*);
+
+#endif