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libbb: introduce and use xsettimeofday()

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function                                             old     new   delta
xsettimeofday                                          -      25     +25
rdate_main                                           274     260     -14
step_time                                            348     331     -17
set_kernel_timezone_and_clock                        119     102     -17
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(add/remove: 1/0 grow/shrink: 0/3 up/down: 25/-48)            Total: -23 bytes
   text	   data	    bss	    dec	    hex	filename
1020753	    559	   5052	1026364	  fa93c	busybox_old
1020708	    559	   5052	1026319	  fa90f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-12-16 21:36:36 +01:00
parent d3c36882dc
commit eb0c2e218c
6 changed files with 26 additions and 22 deletions
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12
libbb/xfuncs.c
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@@ -417,15 +417,3 @@ int FAST_FUNC wait4pid(pid_t pid)
return WTERMSIG(status) + 0x180;
return 0;
}
// Useful when we do know that pid is valid, and we just want to wait
// for it to exit. Not existing pid is fatal. waitpid() status is not returned.
int FAST_FUNC wait_for_exitstatus(pid_t pid)
{
int exit_status, n;
n = safe_waitpid(pid, &exit_status, 0);
if (n < 0)
bb_simple_perror_msg_and_die("waitpid");
return exit_status;
}