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Make fixes and improvements

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- clock_nanosleep() is now much faster on OpenBSD and NetBSD
- Thread joining is now much faster on NetBSD
- FreeBSD timestamps are now more accurate
- Thread spawning now goes faster on XNU
- Clean up the clone() code
This commit is contained in:
Justine Tunney 2022-11-08 10:09:47 -08:00
parent aee50b1327
commit b407327972
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GPG key ID: BE714B4575D6E328
47 changed files with 645 additions and 306 deletions
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19
test/libc/stdio/getentropy_test.c
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@ -22,6 +22,7 @@
#include "libc/calls/struct/sigset.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/macros.internal.h"
#include "libc/mem/gc.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
@ -50,9 +51,9 @@ void *TortureWorker(void *arg) {
ready = true;
while (!done) {
if (!IsWindows()) pthread_kill(parent, SIGUSR1);
usleep(3);
usleep(1);
if (!IsWindows()) pthread_kill(parent, SIGUSR2);
usleep(3);
usleep(1);
}
return 0;
}
@ -61,7 +62,7 @@ TEST(getentropy, test) {
pthread_t child;
double e, w = 7.7;
struct sigaction sa;
int i, j, k, n = 999;
int i, j, k, m, n = 999;
char *buf = _gc(calloc(1, n));
sa.sa_flags = 0;
sa.sa_handler = OnSig;
@ -71,11 +72,13 @@ TEST(getentropy, test) {
parent = pthread_self();
ASSERT_EQ(0, pthread_create(&child, 0, TortureWorker, 0));
while (!ready) pthread_yield();
for (k = 0; k < 200; ++k) {
ASSERT_SYS(0, 0, getrandom(0, 0, 0));
ASSERT_SYS(0, n, getrandom(buf, n, 0));
ASSERT_SYS(EFAULT, -1, getrandom(0, n, 0));
ASSERT_SYS(EINVAL, -1, getrandom(buf, n, -1));
for (k = 0; k < 10; ++k) {
ASSERT_SYS(0, 0, getentropy(0, 0));
for (i = 0; i < n; i += m) {
m = MIN(n - i, 256);
ASSERT_SYS(0, 0, getentropy(buf + i, m));
ASSERT_SYS(EFAULT, -1, getentropy(0, m));
}
if ((e = MeasureEntropy(buf, n)) < w) {
fprintf(stderr, "error: entropy suspect! got %g but want >=%g\n", e, w);
for (i = 0; i < n;) {