busybox-w32/runit/svlogd.c, branch join2

*: more --help tweaks, mostly expanding ts --help

2021-06-13T01:12:09+00:00

function old new delta packed_usage 33554 33596 +42 Signed-off-by: Denys Vlasenko

runsv: robustify signal handling - SIGTERM to child between vfork and exec could mess things up

2021-06-05T14:20:05+00:00

While at it, rename bb_signals_recursive_norestart() to bb_signals_norestart(): "recursive" was implying we are setting SA_NODEFER allowing signal handler to be entered recursively, but we do not do that. function old new delta bb_signals_norestart - 70 +70 startservice 380 394 +14 bb_signals_recursive_norestart 70 - -70 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 1/0 up/down: 84/-70) Total: 14 bytes Signed-off-by: Denys Vlasenko

svlogd: if processor's stdin can not be opened, do not try ad infinitum

2021-06-05T12:51:53+00:00

function old new delta processorstart 426 423 -3 Signed-off-by: Denys Vlasenko

libbb: introduce and use xgettimeofday(), do not truncate 64-bit time_t in shells

2020-12-30T22:48:01+00:00

function old new delta xgettimeofday - 11 +11 get_local_var_value 280 281 +1 svlogd_main 1323 1322 -1 change_epoch 67 66 -1 timestamp_and_log 461 458 -3 hwclock_main 301 298 -3 fmt_time_bernstein_25 135 132 -3 step_time 331 326 -5 script_main 1207 1202 -5 machtime 34 28 -6 curtime 61 54 -7 ts_main 423 415 -8 nmeter_main 761 751 -10 gettime1900d 67 46 -21 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 1/12 up/down: 12/-73) Total: -61 bytes Signed-off-by: Denys Vlasenko

decrease paddign: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

2020-11-30T12:03:03+00:00

text data bss dec hex filename 1021988 559 5052 1027599 fae0f busybox_old 1021236 559 5052 1026847 fab1f busybox_unstripped Signed-off-by: Denys Vlasenko

libbb: reduce the overhead of single parameter bb_error_msg() calls

2019-07-02T09:35:03+00:00

Back in 2007, commit 0c97c9d43707 ("'simple' error message functions by Loic Grenie") introduced bb_simple_perror_msg() to allow for a lower overhead call to bb_perror_msg() when only a string was being printed with no parameters. This saves space for some CPU architectures because it avoids the overhead of a call to a variadic function. However there has never been a simple version of bb_error_msg(), and since 2007 many new calls to bb_perror_msg() have been added that only take a single parameter and so could have been using bb_simple_perror_message(). This changeset introduces 'simple' versions of bb_info_msg(), bb_error_msg(), bb_error_msg_and_die(), bb_herror_msg() and bb_herror_msg_and_die(), and replaces all calls that only take a single parameter, or use something like ("%s", arg), with calls to the corresponding 'simple' version. Since it is likely that single parameter calls to the variadic functions may be accidentally reintroduced in the future a new debugging config option WARN_SIMPLE_MSG has been introduced. This uses some macro magic which will cause any such calls to generate a warning, but this is turned off by default to avoid use of the unpleasant macros in normal circumstances. This is a large changeset due to the number of calls that have been replaced. The only files that contain changes other than simple substitution of function calls are libbb.h, libbb/herror_msg.c, libbb/verror_msg.c and libbb/xfuncs_printf.c. In miscutils/devfsd.c, networking/udhcp/common.h and util-linux/mdev.c additonal macros have been added for logging so that single parameter and multiple parameter logging variants exist. The amount of space saved varies considerably by architecture, and was found to be as follows (for 'defconfig' using GCC 7.4): Arm: -92 bytes MIPS: -52 bytes PPC: -1836 bytes x86_64: -938 bytes Note that for the MIPS architecture only an exception had to be made disabling the 'simple' calls for 'udhcp' (in networking/udhcp/common.h) because it made these files larger on MIPS. Signed-off-by: James Byrne Signed-off-by: Denys Vlasenko

config: update size information

2018-12-28T02:20:17+00:00

Signed-off-by: Denys Vlasenko

svlogd: fix pattern matching when using timestamps

2018-11-01T13:53:04+00:00

function old new delta svlogd_main 1488 1496 +8 Signed-off-by: Denys Vlasenko

use gmtime_r() instead of gmtime()

2018-03-06T17:11:47+00:00

This avoids pulling in gmtime's static buffer: function old new delta svlogd_main 1401 1412 +11 send_headers 668 678 +10 gmtime 21 - -21 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 2/0 up/down: 21/-21) Total: 0 bytes text data bss dec hex filename 920221 555 5804 926580 e2374 busybox_old 920221 555 5740 926516 e2334 busybox_unstripped ^^^^ Signed-off-by: Denys Vlasenko

svlogd: improve --help text

2018-02-09T19:21:01+00:00

function old new delta packed_usage 32278 32367 +89 Signed-off-by: Denys Vlasenko