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Kernel: Clone Process::m_gids on fork() and hook up any framebuffer region.
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sideshowbarker
2024-07-19 15:59:38 +09:00
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/e115ae56416
@ -232,13 +232,18 @@ Process* Process::fork(RegisterDump& regs)
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for (auto& region : m_regions) {
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#ifdef FORK_DEBUG
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dbgprintf("fork: cloning Region{%p}\n", region.ptr());
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dbgprintf("fork: cloning Region{%p} \"%s\" L%x\n", region.ptr(), region->name.characters(), region->linearAddress.get());
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#endif
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auto cloned_region = region->clone();
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child->m_regions.append(move(cloned_region));
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MM.map_region(*child, *child->m_regions.last());
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if (region.ptr() == m_display_framebuffer_region.ptr())
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child->m_display_framebuffer_region = child->m_regions.last().copyRef();
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}
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for (auto gid : m_gids)
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child->m_gids.set(gid);
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child->m_tss.eax = 0; // fork() returns 0 in the child :^)
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child->m_tss.ebx = regs.ebx;
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child->m_tss.ecx = regs.ecx;
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