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60b3405426bb646596bd55b1ffdfa1b28bd03249
[musl]
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siginterrupt.c
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#include <stdlib.h>
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#include <signal.h>
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int siginterrupt(int sig, int flag)
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{
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struct sigaction sa;
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sigaction(sig, NULL, &sa);
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if (flag) sa.sa_flags &= ~SA_RESTART;
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else sa.sa_flags |= SA_RESTART;
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return sigaction(sig, &sa, NULL);
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}