function old new delta xatoull_range_sfx - 49 +49 dd_main 1607 1640 +33 bb_banner 47 46 -1 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/1 up/down: 82/-1) Total: 81 bytes Signed-off-by: Sertonix <sertonix@posteo.net> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Upstream commit:
Date: Sat, 19 May 2018 02:39:56 +0800
eval: Add vfork support
This patch adds basic vfork support for the case of a simple command.
Upstream commit:
Date: Tue, 12 Jan 2021 17:11:19 +1100
jobs: Always reset SIGINT/SIGQUIT handlers
On Fri, Jan 08, 2021 at 08:55:41PM +0000, Harald van Dijk wrote:
> On 18/05/2018 19:39, Herbert Xu wrote:
> > This patch adds basic vfork support for the case of a simple command.
> > ... @@ -879,17 +892,30 @@ forkchild(struct job *jp, union node *n, int
> > mode)
> > }
> > }
> > if (!oldlvl && iflag) {
> > - setsignal(SIGINT);
> > - setsignal(SIGQUIT);
> > + if (mode != FORK_BG) {
> > + setsignal(SIGINT);
> > + setsignal(SIGQUIT);
> > + }
> > setsignal(SIGTERM);
> > }
> > +
> > + if (lvforked)
> > + return;
> > +
> > for (jp = curjob; jp; jp = jp->prev_job)
> > freejob(jp);
> > }
>
> This leaves SIGQUIT ignored in background jobs in interactive shells.
>
> ENV= dash -ic 'dash -c "kill -QUIT \$\$; echo huh" & wait'
>
> As of dash 0.5.11, this prints "huh". Before, the subprocess process killed
> itself before it could print anything. Other shells do not leave SIGQUIT
> ignored.
>
> (In a few other shells, this also prints "huh", but in those other shells,
> that is because the inner shell chooses to ignore SIGQUIT, not because the
> outer shell leaves it ignored.)
Thanks for catching this. I have no idea how that got in there
and it makes no sense whatsoever. This patch removes the if
conditional.
Fixes: e94a964e7dd0 ("eval: Add vfork support")
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta procps_read_smaps 515 529 +14 procps_get_maps 685 665 -20 .rodata 105847 105820 -27 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 14/-47) Total: -33 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
The logic is in fact quite far from common. While at it, stop accounting "---p" mappings as mapped (e.g. VSZ in top). Nothing is mapped there (why would kernel waste RAM to map pages which can't be accessed?). function old new delta read_smaps - 562 +562 read_cmdline 315 326 +11 print_smaprec 97 101 +4 procps_scan 1219 1211 -8 .rodata 115541 115533 -8 skip_whitespace_if_prefixed_with 25 - -25 procps_read_smaps 864 577 -287 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 2/3 up/down: 577/-328) Total: 249 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta modprobe_main 803 804 +1 escape_text 127 122 -5 replace 18 - -18 ------------------------------------------------------------------------------ (add/remove: 0/1 grow/shrink: 1/1 up/down: 1/-23) Total: -22 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta display 1485 1481 -4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta print_name 137 229 +92 display_files 375 402 +27 c_escape_conv_str00 - 24 +24 display 1476 1485 +9 conv_str 33 - -33 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 3/0 up/down: 152/-33) Total: 119 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
function old new delta sha512384_end - 198 +198 packed_usage 35021 35134 +113 init384 - 80 +80 sha384_begin - 19 +19 sha384_end - 10 +10 applet_names 2823 2833 +10 md5_sha1_sum_main 501 507 +6 sha3_end 54 59 +5 applet_main 1628 1632 +4 show_usage_if_dash_dash_help 79 72 -7 hash_file 358 344 -14 sha512_end 197 10 -187 ------------------------------------------------------------------------------ (add/remove: 4/0 grow/shrink: 5/3 up/down: 445/-208) Total: 237 bytes Signed-off-by: Andy Knowles <aknowles@galleonec.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>