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#include <sys/types.h>
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#include <unistd.h>
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#include <signal.h>
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int no_signal_caught = 1;
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void handler ( int signo )
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{
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no_signal_caught = 0;
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}
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main()
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{
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pid_t pid;
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signal ( SIGCHLD, handler );
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pid = fork();
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if ( pid == 0 ) exit ( 0 );
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sleep ( 2 );
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exit ( no_signal_caught );
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}
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