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File ksh93-eintr.dif of Package ksh

--- src/cmd/ksh93/sh/io.c
+++ src/cmd/ksh93/sh/io.c	2011-05-03 15:15:18.283926707 +0200
@@ -403,6 +403,7 @@
 	shp->sftable[2] = sfstderr;
 	sfnotify(sftrack);
 	sh_iostream(shp,0);
+	sh_iostream(shp,1);
 	/* all write steams are in the same pool and share outbuff */
 	shp->outpool = sfopen(NIL(Sfio_t*),NIL(char*),"sw");  /* pool identifier */
 	shp->outbuff = (char*)malloc(IOBSIZE+4);
@@ -608,7 +609,8 @@
 		}
 		if(sp)
 			shp->sftable[f1] = 0;
-		sh_close(f1);
+		if(shp->fdstatus[f1]!=IOCLOSE)
+			sh_close(f1);
 	}
 	return(f2);
 }
@@ -1022,6 +1024,8 @@
 				memset(ap, 0, ARGVAL);
 				if(iof&IOPUT)
 					ap->argflag = ARG_RAW;
+				else if(shp->subshell)
+					sh_subtmpfile(shp);
 				ap->argchn.ap = (struct argnod*)fname; 
 				ap = sh_argprocsub(shp,ap);
 				fname = ap->argval;
@@ -2148,13 +2152,18 @@
 static ssize_t subread(Sfio_t* sp,void* buff,register size_t size,Sfdisc_t* handle)
 {
 	register struct subfile *disp = (struct subfile*)handle;
+	ssize_t n;
 	NOT_USED(sp);
+	sfseek(disp->oldsp,disp->offset,SEEK_SET);
 	if(disp->left == 0)
 		return(0);
 	if(size > disp->left)
 		size = disp->left;
 	disp->left -= size;
-	return(sfread(disp->oldsp,buff,size));
+	n = sfread(disp->oldsp,buff,size);
+	if(size>0)
+		disp->offset += size;
+	return(n);
 }
 
 /*
--- src/cmd/ksh93/sh/xec.c
+++ src/cmd/ksh93/sh/xec.c	2011-05-03 15:02:23.411926136 +0200
@@ -53,6 +53,7 @@
 
 #define SH_NTFORK	SH_TIMING
 #define NV_BLTPFSH	NV_ARRAY
+#define HERE_MEM	0x1000
 
 #if _lib_nice
     extern int	nice(int);
@@ -2606,6 +2607,7 @@
 
 pid_t sh_fork(int flags, int *jobid)
 {
+	Sfio_t* aux_heredocs = NIL(Sfio_t*);
 	register pid_t parent;
 	register int sig;
 #if SHOPT_FASTPIPE
@@ -2625,7 +2627,23 @@
 	sh.trapnote &= ~SH_SIGTERM;
 	job_fork(-1);
 	sh.savesig = -1;
+	if (sh.heredocs)
+	{
+		aux_heredocs = sftmp(HERE_MEM);
+		if (aux_heredocs)
+		{
+			sfseek(sh.heredocs,(off_t)0,SEEK_SET);
+			sfmove(sh.heredocs,aux_heredocs,(Sfoff_t)(-1),-1);
+			sfsync(aux_heredocs);
+		}
+	}
 	while(_sh_fork(parent=fork(),flags,jobid) < 0);
+	if (aux_heredocs)
+	{
+		if (!parent)
+			sfswap(aux_heredocs,sh.heredocs);
+		sfclose(aux_heredocs);
+	}
 	sh_stats(STAT_FORKS);
 	sig = sh.savesig;
 	sh.savesig = 0;

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File ksh93-eintr.dif of Package ksh

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