init: fixes to README.mk

Corrected a few technical, spelling and grammar errors.

Test: none
Bug: 129780532
Change-Id: Ia05f44c782d94a3bb4224fc6929ac325852e0c41
This commit is contained in:
Mark Salyzyn 2019-04-02 15:46:58 -07:00
parent 50bd6f0eb9
commit b833d17de2

View file

@ -57,7 +57,7 @@ modes. The three default paths should be used for the normal boot process.
The intention of these directories is:
1. /system/etc/init/ is for core system items such as
SurfaceFlinger, MediaService, and logcatd.
SurfaceFlinger, MediaService, and logd.
2. /vendor/etc/init/ is for SoC vendor items such as actions or
daemons needed for core SoC functionality.
3. /odm/etc/init/ is for device manufacturer items such as
@ -72,7 +72,7 @@ system macro, LOCAL\_INIT\_RC, that handles this for developers. Each
init .rc file should additionally contain any actions associated with
its service.
An example is the logcatd.rc and Android.mk files located in the
An example is the userdebug logcatd.rc and Android.mk files located in the
system/core/logcat directory. The LOCAL\_INIT\_RC macro in the
Android.mk file places logcatd.rc in /system/etc/init/ during the
build process. Init loads logcatd.rc during the mount\_all command and
@ -317,7 +317,7 @@ runs the service.
See the below section on debugging for how this can be used.
`socket <name> <type> <perm> [ <user> [ <group> [ <seclabel> ] ] ]`
> Create a unix domain socket named /dev/socket/_name_ and pass its fd to the
> Create a UNIX domain socket named /dev/socket/_name_ and pass its fd to the
launched process. _type_ must be "dgram", "stream" or "seqpacket". User and
group default to 0. 'seclabel' is the SELinux security context for the
socket. It defaults to the service security context, as specified by
@ -506,10 +506,10 @@ Commands
> Attempt to mount the named device at the directory _dir_
_flag_s include "ro", "rw", "remount", "noatime", ...
_options_ include "barrier=1", "noauto\_da\_alloc", "discard", ... as
a comma separated string, eg: barrier=1,noauto\_da\_alloc
a comma separated string, e.g. barrier=1,noauto\_da\_alloc
`parse_apex_configs`
> Parses config file(s) from the mounted APEXes. Intented to be used only once
> Parses config file(s) from the mounted APEXes. Intended to be used only once
when apexd notifies the mount event by setting apexd.status to ready.
`restart <service>`
@ -572,7 +572,7 @@ Commands
`symlink <target> <path>`
> Create a symbolic link at _path_ with the value _target_
`sysclktz <mins_west_of_gmt>`
`sysclktz <minutes_west_of_gmt>`
> Set the system clock base (0 if system clock ticks in GMT)
`trigger <event>`
@ -635,7 +635,7 @@ different command is to either 1) place it in an Action with an
earlier executed trigger, or 2) place it in an Action with the same
trigger within the same file at an earlier line.
Nonetheless, the defacto order for first stage mount devices is:
Nonetheless, the de facto order for first stage mount devices is:
1. /init.rc is parsed then recursively each of its imports are
parsed.
2. The contents of /system/etc/init/ are alphabetized and parsed
@ -725,7 +725,7 @@ Comparing two bootcharts
A handy script named compare-bootcharts.py can be used to compare the
start/end time of selected processes. The aforementioned grab-bootchart.sh
will leave a bootchart tarball named bootchart.tgz at /tmp/android-bootchart.
If two such barballs are preserved on the host machine under different
If two such tarballs are preserved on the host machine under different
directories, the script can list the timestamps differences. For example:
Usage: system/core/init/compare-bootcharts.py _base-bootchart-dir_ _exp-bootchart-dir_
@ -773,7 +773,7 @@ If it is required to debug a service from its very start, the `sigstop` service
This option will send SIGSTOP to a service immediately before calling exec. This gives a window
where developers can attach a debugger, strace, etc before continuing the service with SIGCONT.
This flag can also be dynamically controled via the ctl.sigstop_on and ctl.sigstop_off properties.
This flag can also be dynamically controlled via the ctl.sigstop_on and ctl.sigstop_off properties.
Below is an example of dynamically debugging logd via the above: