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Add missing ICANON features

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Justine Tunney 2024-09-05 03:17:19 -07:00
parent dd8544c3bd
commit 03875beadb
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GPG key ID: BE714B4575D6E328
22 changed files with 526 additions and 251 deletions
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38
tool/viz/clock_nanosleep_accuracy.c
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@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h"
#include "libc/calls/struct/timespec.h"
#include "libc/intrin/describeflags.h"
#include "libc/intrin/kprintf.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
@ -26,36 +27,19 @@
#define MAXIMUM 1e9
#define ITERATIONS 10
void TestSleepRealRelative(void) {
void TestSleepRelative(int clock) {
printf("\n");
printf("testing: clock_nanosleep(CLOCK_REALTIME) with relative "
"timeout\n");
printf("testing: clock_nanosleep(%s) with relative timeout\n",
DescribeClockName(clock));
for (long nanos = 1; nanos < (long)MAXIMUM; nanos *= 2) {
struct timespec t1, t2, wf;
wf = timespec_fromnanos(nanos);
clock_gettime(CLOCK_REALTIME, &t1);
if (clock_gettime(clock, &t1))
return;
for (int i = 0; i < ITERATIONS; ++i) {
npassert(!clock_nanosleep(CLOCK_REALTIME, 0, &wf, 0));
npassert(!clock_nanosleep(clock, 0, &wf, 0));
}
clock_gettime(CLOCK_REALTIME, &t2);
long took = timespec_tonanos(timespec_sub(t2, t1)) / ITERATIONS;
printf("%,12ld ns sleep took %,12ld ns delta %,12ld ns\n", nanos, took,
took - nanos);
}
}
void TestSleepMonoRelative(void) {
printf("\n");
printf("testing: clock_nanosleep(CLOCK_MONOTONIC) with relative "
"timeout\n");
for (long nanos = 1; nanos < (long)MAXIMUM; nanos *= 2) {
struct timespec t1, t2, wf;
wf = timespec_fromnanos(nanos);
clock_gettime(CLOCK_REALTIME, &t1);
for (int i = 0; i < ITERATIONS; ++i) {
npassert(!clock_nanosleep(CLOCK_MONOTONIC, 0, &wf, 0));
}
clock_gettime(CLOCK_REALTIME, &t2);
clock_gettime(clock, &t2);
long took = timespec_tonanos(timespec_sub(t2, t1)) / ITERATIONS;
printf("%,12ld ns sleep took %,12ld ns delta %,12ld ns\n", nanos, took,
took - nanos);
@ -63,6 +47,8 @@ void TestSleepMonoRelative(void) {
}
int main(int argc, char *argv[]) {
TestSleepRealRelative();
TestSleepMonoRelative();
TestSleepRelative(CLOCK_REALTIME);
TestSleepRelative(CLOCK_MONOTONIC);
TestSleepRelative(CLOCK_REALTIME_COARSE);
TestSleepRelative(CLOCK_MONOTONIC_COARSE);
}