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Kernel/LibC: Implement sigaltstack

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Bananymous
2025-08-20 20:17:49 +03:00
parent def236b7cd
commit 0dfe0b7023
10 changed files with 109 additions and 8 deletions
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13
kernel/kernel/Process.cpp
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@@ -2701,6 +2701,19 @@ namespace Kernel
}
}
BAN::ErrorOr<long> Process::sys_sigaltstack(const stack_t* ss, stack_t* oss)
{
LockGuard _(m_process_lock);
if (ss != nullptr)
TRY(validate_pointer_access(ss, sizeof(stack_t), false));
if (oss != nullptr)
TRY(validate_pointer_access(oss, sizeof(stack_t), true));
TRY(Thread::current().sigaltstack(ss, oss));
return 0;
}
BAN::ErrorOr<long> Process::sys_futex(int op, const uint32_t* addr, uint32_t val, const timespec* abstime)
{
const vaddr_t vaddr = reinterpret_cast<vaddr_t>(addr);