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Kernel: More work towards POSIX SHM, also add ftruncate().

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This commit is contained in:
Andreas Kling 2019-04-09 01:10:00 +02:00
commit 26a06f3fcd
Notes: sideshowbarker 2024-07-19 14:47:23 +09:00
10 changed files with 92 additions and 1 deletions
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11
Kernel/Process.cpp
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@ -2468,3 +2468,14 @@ int Process::sys$shm_unlink(const char* name)
return -EFAULT;
return -ENOTIMPL;
}
int Process::sys$ftruncate(int fd, off_t length)
{
auto* descriptor = file_descriptor(fd);
if (!descriptor)
return -EBADF;
// FIXME: Check that fd is writable, otherwise EINVAL.
if (!descriptor->is_file() && !descriptor->is_shared_memory())
return -EINVAL;
return descriptor->truncate(length);
}