diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/shell/ash.c b/shell/ash.c index 40695dee0..b271dd031 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -14340,6 +14340,17 @@ procargs(char **argv) shellparam.nparam++; xargv++; } + + /* Interactive bash re-enables SIGHUP which is SIG_IGNed on entry. + * Try: + * trap '' hup; bash; echo RET # type "kill -hup $$", see SIGHUP having effect + * trap '' hup; bash -c 'kill -hup $$; echo ALIVE' # here SIGHUP is SIG_IGNed + * NB: must do it before setting up signals (in optschanged()) + * and reading .profile etc (after we return from here): + */ + if (iflag) + signal(SIGHUP, SIG_DFL); + optschanged(); return login_sh; @@ -14510,14 +14521,6 @@ int ash_main(int argc UNUSED_PARAM, char **argv) } #endif state4: /* XXX ??? - why isn't this before the "if" statement */ - - /* Interactive bash re-enables SIGHUP which is SIG_IGNed on entry. - * Try: - * trap '' hup; bash; echo RET # type "kill -hup $$", see SIGHUP having effect - * trap '' hup; bash -c 'kill -hup $$; echo ALIVE' # here SIGHUP is SIG_IGNed - */ - signal(SIGHUP, SIG_DFL); - cmdloop(1); } #if PROFILE |