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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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12
Kernel/Devices/BXVGADevice.cpp
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@ -103,7 +103,7 @@ KResultOr<Region*> BXVGADevice::mmap(Process& process, LinearAddress preferred_l
return region;
}
int BXVGADevice::ioctl(Process& process, unsigned request, unsigned arg)
int BXVGADevice::ioctl(FileDescriptor&, unsigned request, unsigned arg)
{
switch (request) {
case BXVGA_DEV_IOCTL_SET_Y_OFFSET:
@ -113,7 +113,7 @@ int BXVGADevice::ioctl(Process& process, unsigned request, unsigned arg)
return 0;
case BXVGA_DEV_IOCTL_SET_RESOLUTION: {
auto* resolution = (const BXVGAResolution*)arg;
if (!process.validate_read_typed(resolution))
if (!current->process().validate_read_typed(resolution))
return -EFAULT;
set_resolution(resolution->width, resolution->height);
return 0;
@ -123,22 +123,22 @@ int BXVGADevice::ioctl(Process& process, unsigned request, unsigned arg)
};
}
bool BXVGADevice::can_read(Process&) const
bool BXVGADevice::can_read(FileDescriptor&) const
{
ASSERT_NOT_REACHED();
}
bool BXVGADevice::can_write(Process&) const
bool BXVGADevice::can_write(FileDescriptor&) const
{
ASSERT_NOT_REACHED();
}
ssize_t BXVGADevice::read(Process&, byte*, ssize_t)
ssize_t BXVGADevice::read(FileDescriptor&, byte*, ssize_t)
{
ASSERT_NOT_REACHED();
}
ssize_t BXVGADevice::write(Process&, const byte*, ssize_t)
ssize_t BXVGADevice::write(FileDescriptor&, const byte*, ssize_t)
{
ASSERT_NOT_REACHED();
}