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Bash-4.4 Official Patch 16
From: |
Chet Ramey |
Subject: |
Bash-4.4 Official Patch 16 |
Date: |
Wed, 31 Jan 2018 09:18:52 -0500 |
BASH PATCH REPORT
=================
Bash-Release: 4.4
Patch-ID: bash44-016
Bug-Reported-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Bug-Reference-ID:
<CAJq09z7G1-QnLyiUQA0DS=V3da_rtHF8VdYbbdzPe_W3kydpRg@mail.gmail.com>
Bug-Reference-URL:
http://lists.gnu.org/archive/html/bug-bash/2016-09/msg00092.html
Bug-Description:
Bash can perform trap processing while reading command substitution output
instead of waiting until the command completes.
Patch (apply with `patch -p0'):
*** ../bash-4.4/lib/sh/zread.c 2014-12-22 10:48:04.000000000 -0500
--- lib/sh/zread.c 2016-09-29 15:21:36.000000000 -0400
***************
*** 38,42 ****
--- 38,45 ----
#endif
+ extern int executing_builtin;
+
extern void check_signals_and_traps (void);
+ extern void check_signals (void);
extern int signal_is_trapped (int);
***************
*** 51,69 ****
ssize_t r;
- #if 0
- #if defined (HAVE_SIGINTERRUPT)
- if (signal_is_trapped (SIGCHLD))
- siginterrupt (SIGCHLD, 1);
- #endif
- #endif
-
while ((r = read (fd, buf, len)) < 0 && errno == EINTR)
! check_signals_and_traps (); /* XXX - should it be check_signals()?
*/
!
! #if 0
! #if defined (HAVE_SIGINTERRUPT)
! siginterrupt (SIGCHLD, 0);
! #endif
! #endif
return r;
--- 54,64 ----
ssize_t r;
while ((r = read (fd, buf, len)) < 0 && errno == EINTR)
! /* XXX - bash-5.0 */
! /* We check executing_builtin and run traps here for backwards
compatibility */
! if (executing_builtin)
! check_signals_and_traps (); /* XXX - should it be check_signals()?
*/
! else
! check_signals ();
return r;
*** ../bash-4.4/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 15
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 16
#endif /* _PATCHLEVEL_H_ */
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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