| 1 |
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| 2 | #include <math.h>
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| 3 | #include <signal.h>
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| 4 | #include <stdlib.h>
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| 5 | #include <unistd.h>
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| 6 | #include <linux/compiler.h>
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| 7 | #include <sys/wait.h>
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| 8 | #include "../tests.h"
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| 9 |
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| 10 | static volatile sig_atomic_t done;
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| 11 |
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| 12 | static void sighandler(int sig __maybe_unused)
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| 13 | {
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| 14 | done = 1;
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| 15 | }
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| 16 |
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| 17 | static int __sqrtloop(int sec)
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| 18 | {
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| 19 | signal(SIGALRM, sighandler);
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| 20 | alarm(sec);
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| 21 |
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| 22 | while (!done)
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| 23 | (void)sqrt(rand());
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| 24 | return 0;
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| 25 | }
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| 26 |
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| 27 | static int sqrtloop(int argc, const char **argv)
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| 28 | {
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| 29 | int sec = 1;
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| 30 |
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| 31 | if (argc > 0)
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| 32 | sec = atoi(argv[0]);
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| 33 |
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| 34 | switch (fork()) {
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| 35 | case 0:
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| 36 | return __sqrtloop(sec);
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| 37 | case -1:
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| 38 | return -1;
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| 39 | default:
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| 40 | wait(NULL);
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| 41 | }
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| 42 | return 0;
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| 43 | }
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| 44 |
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| 45 | DEFINE_WORKLOAD(sqrtloop);
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