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spawn.c: do the "keyboard open/close" around shell invocations

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I'm not 100% sure we really should even be doing this whole "keyboard"
open/close for termcap, but even if the right thing to do ends up being
to just do everything in the TTopen/TTclose (and make TTkopen/TTkclose
no-ops), it does seem to be the right thing to do.

Reported-by: Bijan Soleymani <bijan@psq.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-08-25 16:01:28 -07:00
parent 33676d6d23
commit 12ba84c8dd
1 changed files with 6 additions and 0 deletions
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6
spawn.c
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@ -78,6 +78,7 @@ int spawncli(int f, int n)
movecursor(term.t_nrow, 0); /* Seek to last line. */ movecursor(term.t_nrow, 0); /* Seek to last line. */
TTflush(); TTflush();
TTclose(); /* stty to old settings */ TTclose(); /* stty to old settings */
TTkclose(); /* Close "keyboard" */
if ((cp = getenv("SHELL")) != NULL && *cp != '\0') if ((cp = getenv("SHELL")) != NULL && *cp != '\0')
system(cp); system(cp);
else else
@ -241,6 +242,7 @@ int execprg(int f, int n)
TTputc('\n'); /* Already have '\r' */ TTputc('\n'); /* Already have '\r' */
TTflush(); TTflush();
TTclose(); /* stty to old modes */ TTclose(); /* stty to old modes */
TTkclose();
system(line); system(line);
fflush(stdout); /* to be sure P.K. */ fflush(stdout); /* to be sure P.K. */
TTopen(); TTopen();
@ -341,10 +343,12 @@ int pipecmd(int f, int n)
#if V7 | USG | BSD #if V7 | USG | BSD
TTflush(); TTflush();
TTclose(); /* stty to old modes */ TTclose(); /* stty to old modes */
TTkclose();
strcat(line, ">"); strcat(line, ">");
strcat(line, filnam); strcat(line, filnam);
system(line); system(line);
TTopen(); TTopen();
TTkopen();
TTflush(); TTflush();
sgarbf = TRUE; sgarbf = TRUE;
s = TRUE; s = TRUE;
@ -430,9 +434,11 @@ int filter_buffer(int f, int n)
TTputc('\n'); /* Already have '\r' */ TTputc('\n'); /* Already have '\r' */
TTflush(); TTflush();
TTclose(); /* stty to old modes */ TTclose(); /* stty to old modes */
TTkclose();
strcat(line, " <fltinp >fltout"); strcat(line, " <fltinp >fltout");
system(line); system(line);
TTopen(); TTopen();
TTkopen();
TTflush(); TTflush();
sgarbf = TRUE; sgarbf = TRUE;
s = TRUE; s = TRUE;