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Return the right old signal handler in sys_sigaction()
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src/kernel/emulation/linux/signal/sigaction.c
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src/kernel/emulation/linux/signal/sigaction.c
···
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if (ret < 0)
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return errno_linux_to_bsd(ret);
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if (nsa != NULL)
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{
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// __simple_printf("Saving handler for signal %d: %d\n", linux_signum, nsa->sa_sigaction);
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sig_handlers[linux_signum] = nsa->sa_sigaction;
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}
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if (osa != NULL)
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{
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if (olsa.sa_sigaction == handler_linux_to_bsd)
···
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osa->sa_sigaction = (bsd_sig_handler*) olsa.sa_sigaction;
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sigset_linux_to_bsd(&olsa.sa_mask, &osa->sa_mask);
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osa->sa_flags = sigflags_linux_to_bsd(olsa.sa_flags);
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}
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if (nsa != NULL)
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{
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// __simple_printf("Saving handler for signal %d: %d\n", linux_signum, nsa->sa_sigaction);
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sig_handlers[linux_signum] = nsa->sa_sigaction;
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}
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return 0;