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libbb: introduce and use sleep1()

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function                                             old     new   delta
sleep1                                                 -       9      +9
run_shutdown_and_kill_processes                       97      95      -2
restore_state_and_exit                               116     114      -2
reread_partition_table                                67      65      -2
flush_buffer_cache                                    80      78      -2
chat_main                                           1302    1300      -2
timeout_main                                         310     307      -3
telnet_main                                         1235    1232      -3
stop_handler                                          86      83      -3
process_action                                      1078    1075      -3
nbdclient_main                                      1185    1182      -3
init_main                                            789     786      -3
getty_main                                          1541    1538      -3
do_time                                              410     407      -3
runsv_main                                          1682    1677      -5
pause_and_low_level_reboot                            59      54      -5
inetd_main                                          1917    1911      -6
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/16 up/down: 9/-50)            Total: -41 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-29 11:37:34 +01:00
parent 87bd558f3f
commit ec16c030bd
19 changed files with 33 additions and 29 deletions
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4
init/halt.c
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@@ -144,14 +144,14 @@ static int init_was_not_there(void)
*/
#if 0
while (kill(1, 0) != 0 && --cnt >= 0)
sleep(1);
sleep1();
#endif
/* ... so let's wait for some evidence a usual startup event,
* mounting of /proc, happened. By that time init should be ready
* for signals.
*/
while (access("/proc/meminfo", F_OK) != 0 && --cnt >= 0)
sleep(1);
sleep1();
/* Does it look like init wasn't there? */
return (cnt != initial - 1);