6437624 RFE: Add ksh93 (as /usr/bin/ksh93) and libshell.so to OS/Net

6505835 AST tools and library (libpp) required for creating l10n messages for ksh93
PSARC/2006/550 Korn Shell 93 Integration
PSARC/2006/587 /etc/ksh.kshrc for ksh93
PSARC/2007/035 ksh93 Amendments
Contributed by Roland Mainz <roland.mainz@nrubsig.org>

--HG--
rename : usr/src/lib/libcmd/common/mapfile-vers => deleted_files/usr/src/lib/libcmd/common/mapfile-vers
rename : usr/src/lib/libcmd/common/placeholder.c => deleted_files/usr/src/lib/libcmd/common/placeholder.c

1 files changed, 124 insertions, 0 deletions

diff --git a/usr/src/lib/libshell/common/include/fault.h b/usr/src/lib/libshell/common/include/fault.h
new file mode 100644
index 0000000000..107b337f68
--- /dev/null
+++ b/usr/src/lib/libshell/common/include/fault.h
@@ -0,0 +1,124 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*           Copyright (c) 1982-2007 AT&T Knowledge Ventures            *
+*                      and is licensed under the                       *
+*                  Common Public License, Version 1.0                  *
+*                      by AT&T Knowledge Ventures                      *
+*                                                                      *
+*                A copy of the License is available at                 *
+*            http://www.opensource.org/licenses/cpl1.0.txt             *
+*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                  David Korn <dgk@research.att.com>                   *
+*                                                                      *
+***********************************************************************/
+#pragma prototyped
+#ifndef SH_SIGBITS
+/*
+ *	UNIX shell
+ *	S. R. Bourne
+ *	Rewritten by David Korn
+ *
+ */
+
+#include	<sig.h>
+#include	<setjmp.h>
+#include	<error.h>
+#include	<sfio.h>
+#include	"FEATURE/setjmp"
+#include	"FEATURE/sigfeatures"
+
+#ifndef SIGWINCH
+#   ifdef SIGWIND
+#	define SIGWINCH	SIGWIND
+#   else
+#	ifdef SIGWINDOW
+#	    define SIGWINCH	SIGWINDOW
+#	endif
+#   endif
+#endif
+
+typedef void (*SH_SIGTYPE)(int,void(*)(int));
+
+#define SH_FORKLIM		16	/* fork timeout interval */
+
+#define SH_TRAP			0200	/* bit for internal traps */
+#define SH_ERRTRAP		0	/* trap for non-zero exit status */
+#define SH_KEYTRAP		1	/* trap for keyboard event */
+#define SH_DEBUGTRAP		4	/* must be last internal trap */
+
+#define SH_SIGBITS		8
+#define SH_SIGFAULT		1	/* signal handler is sh_fault */
+#define SH_SIGOFF		2	/* signal handler is SIG_IGN */
+#define SH_SIGSET		4	/* pending signal */
+#define SH_SIGTRAP		010	/* pending trap */
+#define SH_SIGDONE		020	/* default is exit */
+#define SH_SIGIGNORE		040	/* default is ingore signal */
+#define SH_SIGINTERACTIVE	0100	/* handle interactive specially */
+#define SH_SIGTSTP		0200	/* tstp signal received */
+#define SH_SIGALRM		0200	/* timer alarm received */
+#define SH_SIGTERM		SH_SIGOFF /* term signal received */
+
+/*
+ * These are longjmp values
+ */
+
+#define SH_JMPDOT	2
+#define SH_JMPEVAL	3
+#define SH_JMPTRAP	4
+#define SH_JMPIO	5
+#define SH_JMPCMD	6
+#define SH_JMPFUN	7
+#define SH_JMPERRFN	8
+#define SH_JMPSUB	9
+#define SH_JMPERREXIT	10
+#define SH_JMPEXIT	11
+#define SH_JMPSCRIPT	12
+
+struct openlist
+{
+	Sfio_t	*strm;
+	struct openlist *next;
+};
+
+struct checkpt
+{
+	sigjmp_buf	buff;
+	sigjmp_buf	*prev;
+	int		topfd;
+	int		mode;
+	struct openlist	*olist;
+#if (ERROR_VERSION >= 20030214L)
+	Error_context_t err;
+#else
+	struct errorcontext err;
+#endif
+};
+
+#define sh_pushcontext(bp,n)	( (bp)->mode=(n) , (bp)->olist=0,  \
+				  (bp)->topfd=sh.topfd, (bp)->prev=sh.jmplist, \
+				  (bp)->err = *ERROR_CONTEXT_BASE, \
+					sh.jmplist = (sigjmp_buf*)(&(bp)->buff) \
+				)
+#define sh_popcontext(bp)	(sh.jmplist=(bp)->prev, errorpop(&((bp)->err)))
+
+extern void 	sh_fault(int);
+extern void 	sh_done(int);
+extern void 	sh_chktrap(void);
+extern void 	sh_sigclear(int);
+extern void 	sh_sigdone(void);
+extern void	sh_siginit(void);
+extern void 	sh_sigtrap(int);
+extern void 	sh_sigreset(int);
+extern void 	sh_timetraps(void);
+extern void 	*sh_timeradd(unsigned long,int ,void (*)(void*),void*);
+extern void	timerdel(void*);
+
+extern const char e_alarm[];
+
+#endif /* !SH_SIGBITS */