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Kernel: Have File virtuals take a FileDescriptor& rather than a Process&.

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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.
This commit is contained in:
Andreas Kling 2019-04-29 13:58:40 +02:00
parent 3761bc3ed7
commit 8cbb7f101f
39 changed files with 156 additions and 155 deletions
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6
Kernel/Devices/RandomDevice.cpp
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@ -26,12 +26,12 @@ static void mysrand(unsigned seed)
}
#endif
bool RandomDevice::can_read(Process&) const
bool RandomDevice::can_read(FileDescriptor&) const
{
return true;
}
ssize_t RandomDevice::read(Process&, byte* buffer, ssize_t size)
ssize_t RandomDevice::read(FileDescriptor&, byte* buffer, ssize_t size)
{
const int range = 'z' - 'a';
ssize_t nread = min(size, PAGE_SIZE);
@ -42,7 +42,7 @@ ssize_t RandomDevice::read(Process&, byte* buffer, ssize_t size)
return nread;
}
ssize_t RandomDevice::write(Process&, const byte*, ssize_t size)
ssize_t RandomDevice::write(FileDescriptor&, const byte*, ssize_t size)
{
// FIXME: Use input for entropy? I guess that could be a neat feature?
return min(PAGE_SIZE, size);