Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-suse-linux-gnu'
-DCONF_VENDOR='suse' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL
-DHAVE_CONFIG_H -I. -I. -I./include -I./lib -fmessage-length=0
-grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong
-funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g
-D_GNU_SOURCE -DRECYCLES_PIDS -Wall -g -Wuninitialized -Wextra -Wno-switch-enum
-Wno-unused-variable -Wno-unused-parameter -Wno-parentheses -ftree-loop-linear
-pipe -DBNC382214=0 -DIMPORT_FUNCTIONS_DEF=0 -fprofile-use -fprofile-correction
uname output: Linux noether 4.15.10-1.g5e4329c-default #1 SMP PREEMPT Thu Mar
15 20:31:17 UTC 2018 (5e4329c) x86_64 x86_64 x86_64 GNU/Linux
Machine Type: x86_64-suse-linux-gnu
Bash Version: 4.4
Patch Level: 19
Release Status: release
Description:
A user reports a problem with example code included. By using the
the code shown below and doing Ctrl-C twice the code hangs within
a SIGINT loop if /bin/echo is used instead of builtin echo command.
Repeat-By:
cat /tmp/trap.sh
#!/bin/sh
## Works
#trap 'echo "Type <CR> to exit" 1>&2; read xxx; exit 1' 1 2 3 15
## Does not work
trap '/bin/echo "Type <CR> to exit" 1>&2; read xxx; exit 1' 1 2 3 15
while :; do sleep 2; done
/bin/bash /tmp/trap.sh
^CType <CR> to exit
^C
