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add stack_t and ucontext_t typedefs.
ok deraadt@
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where applicable.
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rescinded 22 July 1999. Proofed by myself and Theo.
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has been introduced for this release.
ok deraadt@ weingart@
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(but still implemented via setres[ug]id(2)). Basically this just
moves them from COMPAT_43 into kern_prot.c. Also fixes a typo in my
old implementation. The userland portion will follow in a few days.
deraadt@ OK
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your kernel configuration file.
By default, GENERIC will enable this.
When PTRACE is not enabled, several ptrace-like features of the procfs
filesystem will be disabled as well (namely, the ability to read and write
any process' registers, as well as attching, single stepping and detaching
to/from processes).
This should help paranoid people build better sandboxens, and us to build
smaller ramdisks.
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(Look ma, I might have broken the tree)
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Create COMPAT_23 and move __osemctl, omsgctl, oshmctl there.
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there but relying on an indirect inclusion
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was already so for native and sunos, the rest was just
wasting space on it. niels@ millert@ ok
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that EFAULT return value is possible
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fstatfs(2), and getfsstat(2) so you will need to build a new kernel
before doing a "make build" or you will get "unimplemented syscall" errors.
The new struct statfs has the following featuires:
o Has a u_int32_t flags field--now softdep can have a real flag.
o Uses u_int32_t instead of longs (nicer on the alpha). Note: the man
page used to lie about setting invalid/unused fields to -1. SunOS does
that but our code never has.
o Gets rid of f_type completely. It hasn't been used since NetBSD 0.9
and having it there but always 0 is confusing. It is conceivable
that this may cause some old code to not compile but that is better
than silently breaking.
o Adds a mount_info union that contains the FSTYPE_args struct. This
means that "mount" can now tell you all the options a filesystem was
mounted with. This is especially nice for NFS.
Other changes:
o The linux statfs emulation didn't convert between BSD fs names
and linux f_type numbers. Now it does, since the BSD f_type
number is useless to linux apps (and has been removed anyway)
o FreeBSD's struct statfs is different from our (both old and new)
and thus needs conversion. Previously, the OpenBSD syscalls
were used without any real translation.
o mount(8) will now show extra info when invoked with no arguments.
However, to see *everything* you need to use the -v (verbose) flag.
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syscall differences missing, machine dependant), but is still worth switching
to because it offers /emul support and shows up as a `real' emulation.
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