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Kernel+Userland: Remove shared buffers (shbufs)

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All users of this mechanism have been switched to anonymous files and
passing file descriptors with sendfd()/recvfd().

Shbufs got us where we are today, but it's time we say good-bye to them
and welcome a much more idiomatic replacement. :^)
This commit is contained in:
Andreas Kling 2021-01-17 08:51:41 +01:00
parent 2cd16778b5
commit bf0719092f
28 changed files with 2 additions and 1022 deletions
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3
Kernel/Syscalls/fork.cpp
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@ -27,7 +27,6 @@
#include <Kernel/FileSystem/Custody.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/Process.h>
#include <Kernel/SharedBuffer.h>
#include <Kernel/VM/Region.h>
//#define FORK_DEBUG
@ -80,8 +79,6 @@ pid_t Process::sys$fork(RegisterState& regs)
dbgln("fork: child will begin executing at {:04x}:{:08x} with stack {:04x}:{:08x}, kstack {:04x}:{:08x}", child_tss.cs, child_tss.eip, child_tss.ss, child_tss.esp, child_tss.ss0, child_tss.esp0);
#endif
SharedBuffer::share_all_shared_buffers(*this, *child);
{
ScopedSpinLock lock(m_lock);
for (auto& region : m_regions) {