diff options
Diffstat (limited to 'testsuite/systemtap.syscall/itimer.c')
| -rw-r--r-- | testsuite/systemtap.syscall/itimer.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/testsuite/systemtap.syscall/itimer.c b/testsuite/systemtap.syscall/itimer.c new file mode 100644 index 00000000..5cebc902 --- /dev/null +++ b/testsuite/systemtap.syscall/itimer.c @@ -0,0 +1,54 @@ +/* COVERAGE: getitimer setitimer */ +#include <sys/types.h> +#include <unistd.h> +#include <sys/time.h> +#include <string.h> +#include <signal.h> + +static void +alarm_handler(int signo, siginfo_t *info, void *context) +{ +} + +int main() +{ + struct sigaction act; + struct itimerval itv, old_itv; + + memset(&act, 0, sizeof(act)); + act.sa_handler = (void *)alarm_handler; + sigaction(SIGALRM, &act, NULL); + sigaction(SIGVTALRM, &act, NULL); + sigaction(SIGPROF, &act, NULL); + + + memset(&itv, 0, sizeof(itv)); + itv.it_interval.tv_sec = 0; + itv.it_interval.tv_usec = 500000; + itv.it_value.tv_sec = 1; + itv.it_value.tv_usec = 0; + setitimer(ITIMER_REAL, &itv, &old_itv); + // setitimer (ITIMER_REAL, \[0.500000,1.000000\], XXXX) = 0 + + itv.it_value.tv_sec = 0; + itv.it_value.tv_usec = 0; + setitimer(ITIMER_REAL, &itv, NULL); + // setitimer (ITIMER_REAL, \[0.500000,0.000000\], 0x[0]+) = 0 + + setitimer(ITIMER_VIRTUAL, &itv, NULL); + // setitimer (ITIMER_VIRTUAL, \[0.500000,0.000000\], 0x[0]+) = 0 + + setitimer(ITIMER_PROF, &itv, NULL); + // setitimer (ITIMER_PROF, \[0.500000,0.000000\], 0x[0]+) = 0 + + getitimer(ITIMER_REAL, &itv); + // getitimer (ITIMER_REAL, XXXX) = 0 + + getitimer(ITIMER_VIRTUAL, &itv); + // getitimer (ITIMER_VIRTUAL, XXXX) = 0 + + getitimer(ITIMER_PROF, &itv); + // getitimer (ITIMER_PROF, XXXX) = 0 + return 0; +} + |