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Disable rtprio by default and abort, if given prio is not allowed

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This commit is contained in:
Andreas Eversberg
2024-01-07 17:44:40 +01:00
parent 3158c48365
commit 3c2b5286c5
4 changed files with 29 additions and 21 deletions
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26
src/dcf77/main.c
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@@ -57,7 +57,7 @@ static int region = -1, region_advance;
static int double_amplitude = 0;
static int test_tone = 0;
static int dsp_interval = 1; /* ms */
static int rt_prio = 1;
static int rt_prio = 0;
static int fast_math = 0;
/* not static, in case we add libtimer some day, then compiler hits an error */
@@ -539,6 +539,19 @@ int main(int argc, char *argv[])
timestamp = dcf77_start_weather((time_t)timestamp, region, region_advance);
}
/* set real time prio */
if (rt_prio) {
struct sched_param schedp;
memset(&schedp, 0, sizeof(schedp));
schedp.sched_priority = rt_prio;
rc = sched_setscheduler(0, SCHED_RR, &schedp);
if (rc) {
fprintf(stderr, "Error setting SCHED_RR with prio %d\n", rt_prio);
goto error;
}
}
print_aaimage();
printf("DCF77 ready.\n");
@@ -550,17 +563,6 @@ int main(int argc, char *argv[])
term.c_cc[VTIME]=2;
tcsetattr(0, TCSANOW, &term);
/* set real time prio */
if (rt_prio) {
struct sched_param schedp;
memset(&schedp, 0, sizeof(schedp));
schedp.sched_priority = rt_prio;
rc = sched_setscheduler(0, SCHED_RR, &schedp);
if (rc)
fprintf(stderr, "Error setting SCHED_RR with prio %d\n", rt_prio);
}
signal(SIGINT, sighandler);
signal(SIGHUP, sighandler);
signal(SIGTERM, sighandler);