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Improve locks and signals

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- Introduce fast spinlock API
- Double rand64() perf w/ spinlock
- Improve raise() on New Technology
- Support gettid() across platforms
- Implement SA_NODEFER on New Technology
- Move the lock intrinsics into LIBC_INTRIN
- Make SIGTRAP recoverable on New Technology
- Block SIGCHLD in wait4() on New Technology
- Add threading prototypes for XNU and FreeBSD
- Rewrite abort() fixing its minor bugs on XNU/NT
- Shave down a lot of the content in libc/bits/bits.h
- Let signal handlers modify CPU registers on New Technology
This commit is contained in:
Justine Tunney 2022-04-12 05:20:17 -07:00
parent f68f1789bd
commit 046c7ebd4a
110 changed files with 1514 additions and 876 deletions
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30
test/libc/intrin/kprintf_test.c
View file

@ -231,7 +231,6 @@ TEST(ksnprintf, fuzzTheUnbreakable) {
}
TEST(kprintf, testFailure_wontClobberErrnoAndBypassesSystemCallSupport) {
if (IsWindows()) return; // TODO(jart): fixme
int n;
ASSERT_EQ(0, errno);
EXPECT_SYS(0, 3, dup(2));
@ -344,30 +343,27 @@ TEST(ksnprintf, badUtf16) {
BENCH(printf, bench) {
char b[128];
int snprintf_(char *, size_t, const char *, ...) asm("snprintf");
EZBENCH2("ksnprintf fmt", donothing,
ksnprintf(b, 128,
"hello world\nhello world\nhello world\nhello world\n"));
EZBENCH2("snprintf fmt", donothing,
snprintf_(b, 128,
"hello world\nhello world\nhello world\nhello world\n"));
EZBENCH2("ksnprintf str", donothing,
ksnprintf(b, 128, "%s\n", "hello world"));
EZBENCH2("ksnprintf fmt", donothing, ksnprintf(b, 128, "."));
EZBENCH2("kusnprintf fmt", donothing, kusnprintf(b, 128, "."));
EZBENCH2("snprintf fmt", donothing, snprintf_(b, 128, "."));
EZBENCH2("kusnprintf str", donothing,
kusnprintf(b, 128, "%s\n", "hello world"));
EZBENCH2("snprintf str", donothing,
snprintf_(b, 128, "%s\n", "hello world"));
EZBENCH2("ksnprintf utf8", donothing,
ksnprintf(b, 128, "%s\n", "天地玄黄宇宙洪荒天地玄黄宇宙洪荒"));
EZBENCH2("kusnprintf utf8", donothing,
kusnprintf(b, 128, "%s\n", "天地玄黄宇宙洪荒天地玄黄宇宙洪荒"));
EZBENCH2("snprintf utf8", donothing,
snprintf_(b, 128, "%s\n", "天地玄黄宇宙洪荒天地玄黄宇宙洪荒"));
EZBENCH2("ksnprintf chinese", donothing,
ksnprintf(b, 128, "%hs\n", u"天地玄黄宇宙洪荒"));
EZBENCH2("kusnprintf chinese", donothing,
kusnprintf(b, 128, "%hs\n", u"天地玄黄宇宙洪荒"));
EZBENCH2("snprintf chinese", donothing,
snprintf_(b, 128, "%hs\n", u"天地玄黄宇宙洪荒"));
EZBENCH2("ksnprintf astral", donothing,
ksnprintf(b, 128, "%hs\n", u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷"));
EZBENCH2("kusnprintf astral", donothing,
kusnprintf(b, 128, "%hs\n", u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷"));
EZBENCH2("snprintf astral", donothing,
snprintf_(b, 128, "%hs\n", u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷"));
EZBENCH2("ksnprintf long", donothing, ksnprintf(b, 128, "%ld", LONG_MAX));
EZBENCH2("kusnprintf long", donothing, kusnprintf(b, 128, "%ld", LONG_MAX));
EZBENCH2("snprintf long", donothing, snprintf_(b, 128, "%ld", LONG_MAX));
EZBENCH2("ksnprintf thou", donothing, ksnprintf(b, 128, "%'ld", LONG_MAX));
EZBENCH2("kusnprintf thou", donothing, kusnprintf(b, 128, "%'ld", LONG_MAX));
EZBENCH2("snprintf thou", donothing, snprintf_(b, 128, "%'ld", LONG_MAX));
}