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And pass the result through to sys$close() return value.
Fixes https://github.com/SerenityOS/serenity/issues/427
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Suggested by Sergey. The currently running Thread and Process are now
Thread::current and Process::current respectively. :^)
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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Okay, one "dunce hat" point for me. The new PTY majors conflicted with
PATAChannel. Now they are 200 for master and 201 for slave, not used
by anything else.. I hope!
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The 1st master pseudoterminal had the same device ID as /dev/psaux
which was caught by an assertion in Device VFS registration.
This would cause us to overwrite the PS/2 mouse device registration
which was definitely not good.
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Turns out we can use abi::__cxa_demangle() for this, and all we need to
provide is sprintf(), realloc() and free(), so this patch exposes them.
We now have fully demangled C++ backtraces :^)
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Asking a File if we could possibly read or write it will never mutate
the asking FileDescription&, so it should be const.
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The TTY driver now respects the ICANON flag, enabling basic line
editing like VKILL, VERASE, VEOF and VWERASE. Additionally,
ICANON is now set by default.
Basic echoing has can now be enabled via the ECHO flag, though
more complicated echoing like ECHOCTL or ECHONL has not been
implemented.
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Just going over some little unnecessary little kmalloc allocations.
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Unfortunately, that also means it can no longer inherit from SynthFS.
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These types can be picked up by including <AK/Types.h>:
* u8, u16, u32, u64 (unsigned)
* i8, i16, i32, i64 (signed)
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Now that FileDescription is called that, variables of that type should not
be called "descriptor". This is kinda wordy but we'll get used to it.
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After reading a bunch of POSIX specs, I've learned that a file descriptor
is the number that refers to a file description, not the description itself.
So this patch renames FileDescriptor to FileDescription, and Process now has
FileDescription* file_description(int fd).
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This will allow us to implement different behaviors depending on the role
of the descriptor a File is being accessed through.
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