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Before sys$write returns, check for pending unmasked signals.
If there is one, put the process into a new BlockedSignal state which makes the next scheduler iteration dispatch the signal.
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2 changed files with 9 additions and 1 deletions
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@ -978,6 +978,12 @@ ssize_t Process::sys$write(int fd, const void* data, size_t size)
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if (!descriptor)
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return -EBADF;
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auto nwritten = descriptor->write((const byte*)data, size);
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if (has_unmasked_pending_signals()) {
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block(BlockedSignal);
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Scheduler::yield();
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if (nwritten == 0)
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return -EINTR;
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}
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#ifdef DEBUG_IO
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kprintf("Process::sys$write: nwritten=%u\n", nwritten);
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#endif
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