📄 trynpbg1.c
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#include "select.h"#include "open.h"#include "fifo.h"#define FN "temp-trynpbg1.fifo"void main(){ int flagbug; struct timeval instant; fd_set rfds; flagbug = 0; if (fifo_make(FN,0600) != -1) { close(0); if (open_read(FN) == 0) { FD_ZERO(&rfds); FD_SET(0,&rfds); instant.tv_sec = instant.tv_usec = 0; if (select(1,&rfds,(fd_set *) 0,(fd_set *) 0,&instant) > 0) flagbug = 1; } unlink(FN); } _exit(!flagbug);}
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