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Annotation of Net2/tests/benchmarks/bench-4.1/signocsw.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Signal without context switch benchmark.
                      3:  */
                      4: #include <signal.h>
                      5: 
                      6: int    pid;
                      7: int    nsigs;
                      8: int    sigsub();
                      9: 
                     10: main(argc, argv)
                     11:        char *argv[];
                     12: {
                     13: 
                     14:        if (argc < 2) {
                     15:                printf("usage: %s nsignals\n", argv[0]);
                     16:                exit(1);
                     17:        }
                     18:        nsigs = atoi(argv[1]);
                     19:        signal(SIGALRM, sigsub);
                     20:        pid = getpid();
                     21:        kill(pid, SIGALRM);
                     22: }
                     23: 
                     24: sigsub()
                     25: {
                     26:        static int i = 0;
                     27: 
                     28:        signal(SIGALRM, sigsub);
                     29:        if (i++ < nsigs)
                     30:                kill(pid, SIGALRM);
                     31: }

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