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Also add -Werror=old-style-definition to enforce new code.
Message-Id: <ZBZ+8xf7GHy2RT/h@jupiter.tail36e24.ts.net>
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stdout/err could shut down for whatever reason (killed the term on
/dev/console or whatever). We should not crash just because we lost our
ability to print output.
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Our variants print stack traces on failures. This will make locating
errors much easier.
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* opts-std-startup.c: diskfs_boot_flags -> diskfs_boot_command_line.
(OPT_BOOT_CMDLINE): Renamed from OPT_BOOTFLAGS.
(startup_options): --bootflags -> --multiboot-command-line
(parse_startup_opt): Parse it.
* diskfs.h: diskfs_boot_flags -> diskfs_boot_command_line.
(diskfs_boot_filesystem): New macro.
* init-main.c (diskfs_init_main): Use it.
* init-init.c (diskfs_init_diskfs): Likewise.
* console.c (diskfs_console_stdio): Likewise.
* boot-start.c (_diskfs_boot_privports): Likewise.
(diskfs_start_bootstrap): Split boot_command_line into words and pass
those arguments to init instead of diskfs_bootflags.
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* console.c (diskfs_console_stdio): If there is an fd 2 that appears
to work, just leave it as is and dup2 it to fd 1 as well.
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* boot-start.c (_diskfs_boot_privports): Renamed from diskfs_*.
* priv.h: Declare it.
* console.c (diskfs_console_stdio): Change caller.
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* opts-std-startup.c (startup_options): Move -C above "Boot options:",
give it a docstring. Docstrings for --bootflags, --boot-command.
(_diskfs_boot_command): New variable.
(startup_options, parse_startup_opt): New option --boot-command,
consumes remaining args to set _diskfs_boot_command.
* priv.h: Declare _diskfs_boot_command.
* boot-start.c (diskfs_start_bootstrap): If diskfs_exec_server_task is
null, assume we are running as the boot command and have a root with
/servers/exec.
If _diskfs_boot_command is set, start that command in place of init.
If can't lookup initname, print error msg and loop to prompt.
Put a newline before "Init name" prompt.
After starting exec server, try to set active trans on /servers/exec.
(diskfs_boot_getpriv): New function: if _hurd_host_priv
is null, use fsys_getpriv on our bootstrap port.
(parent_task): New static variable, set there with fsys_getpriv call.
(diskfs_S_fsys_init): If diskfs_exec_server_task is null, don't do
anything with it; instead register parent_task as our child
and send an fsys_init to our parent on our bootstrap port.
* console.c (diskfs_console_stdio): Call diskfs_boot_privports before
get_privileged_ports if diskfs_boot_flags is set.
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