tcsh/tcsh-6.17.00-longjmp.dif

--- sh.h
+++ sh.h	2007-07-23 10:01:10.230408643 +0000
@@ -640,7 +640,7 @@ EXTERN int   SHDIAG IZERO;	/* Diagnostic
 EXTERN int   OLDSTD IZERO;	/* Old standard input (def for cmds) */
 
 
-#if SYSVREL == 4 && defined(_UTS)
+#if (SYSVREL == 4 && defined(_UTS)) || defined(__linux__)
 /* 
  * From: fadden@uts.amdahl.com (Andy McFadden)
  * we need sigsetjmp for UTS4, but not UTS2.1
@@ -658,7 +658,7 @@ EXTERN int   OLDSTD IZERO;	/* Old standa
 
 #ifdef SIGSETJMP
    typedef struct { sigjmp_buf j; } jmp_buf_t;
-# define setexit()  sigsetjmp(reslab.j)
+# define setexit()  sigsetjmp(reslab.j, 1)
 # define _reset()    siglongjmp(reslab.j, 1)
 #else
    typedef struct { jmp_buf j; } jmp_buf_t;
--- sh.c
+++ sh.c	2007-07-23 10:02:41.640206073 +0000
@@ -78,7 +78,7 @@ extern int NLSMapsAreInited;
  * ported to Apple Unix (TM) (OREO)  26 -- 29 Jun 1987
  */
 
-jmp_buf_t reslab INIT_ZERO_STRUCT;
+jmp_buf_t reslab;
 
 static const char tcshstr[] = "tcsh";
 
@@ -178,6 +178,8 @@ main(int argc, char **argv)
     int osetintr;
     struct sigaction oparintr;
 
+    memset(&reslab, 0, sizeof(reslab));
+
 #ifdef WINNT_NATIVE
     nt_init();
 #endif /* WINNT_NATIVE */
@@ -2013,7 +2015,10 @@ process(int catch)
 #endif /* SIG_WINDOW */
 	setcopy(STR_, InputBuf, VAR_READWRITE | VAR_NOGLOB);
     cmd_done:
-	cleanup_until(&paraml);
+	if (cleanup_reset())
+	    cleanup_until(&paraml);
+	else
+	    haderr = 1;
     }
     cleanup_pop_mark(omark);
     resexit(osetexit);
--- sh.decls.h
+++ sh.decls.h	2007-07-23 13:37:27.493023737 +0000
@@ -90,6 +90,7 @@ extern	void		  cleanup_push_internal(voi
 #define cleanup_push(v, f) cleanup_push_internal(v, f)
 #endif
 );
+extern	int		  cleanup_reset (void);
 extern	void		  cleanup_ignore(void *);
 extern	void		  cleanup_until	(void *);
 extern	void		  cleanup_until_mark(void);
--- sh.err.c
+++ sh.err.c	2007-07-23 13:39:48.944172212 +0000
@@ -448,6 +448,12 @@ cleanup_until(void *last_var)
     abort();
 }
 
+int
+cleanup_reset(void)
+{
+    return (cleanup_sp > cleanup_mark);
+}
+
 void
 cleanup_until_mark(void)
 {