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Introduce sigtimedwait() and sigwaitinfo()

Browse source 
This change also invents sigcountset() and strsignal_r() and improves
the quality of siginfo_t handling.
This commit is contained in:
Justine Tunney 2022-10-10 07:36:07 -07:00
parent 7ae556463a
commit 467a332e38
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GPG key ID: BE714B4575D6E328
41 changed files with 887 additions and 345 deletions
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28
test/libc/intrin/kprintf_test.c
View file

@ -49,10 +49,6 @@ static uint64_t Rando(void) {
return x;
}
void SetUp(void) {
__print_maps();
}
static const struct {
const char *want;
const char *fmt;
@ -356,6 +352,30 @@ TEST(ksnprintf, badUtf16) {
}
}
TEST(ksnprintf, negativeOverflowIdiom_isSafe) {
int i, n;
char golden[11];
struct {
char underflow[11];
char buf[11];
char overflow[11];
} u;
memset(golden, -1, 11);
memset(u.underflow, -1, 11);
memset(u.overflow, -1, 11);
i = 0;
n = 11;
i += ksnprintf(u.buf + i, n - i, "hello");
ASSERT_STREQ("hello", u.buf);
i += ksnprintf(u.buf + i, n - i, " world");
ASSERT_STREQ("hello w...", u.buf);
i += ksnprintf(u.buf + i, n - i, " i love you");
ASSERT_STREQ("hello w...", u.buf);
ASSERT_EQ(i, 5 + 6 + 11);
ASSERT_EQ(0, memcmp(golden, u.underflow, 11));
ASSERT_EQ(0, memcmp(golden, u.overflow, 11));
}
TEST(ksnprintf, truncation) {
char buf[16] = {0};
rngset(buf, sizeof(buf) - 1, lemur64, -1);

13
test/libc/intrin/strsignal_test.c → test/libc/intrin/strsignal_r_test.c
View file

@ -27,8 +27,13 @@ TEST(strsignal, test) {
EXPECT_STREQ("SIGALRM", strsignal(SIGALRM));
EXPECT_STREQ("SIGUSR1", strsignal(SIGUSR1));
EXPECT_STREQ("SIGSTOP", strsignal(SIGSTOP));
EXPECT_STREQ("SIG099", strsignal(99));
EXPECT_STREQ("SIG100", strsignal(100));
EXPECT_STREQ("SIGWUT", strsignal(-1));
EXPECT_STREQ("SIGWUT", strsignal(9001));
EXPECT_STREQ("666", strsignal(666));
EXPECT_STREQ("-1", strsignal(-1));
EXPECT_STREQ("9001", strsignal(9001));
}
TEST(strsignal, realtime) {
if (!SIGRTMIN) return;
ASSERT_STREQ("SIGRTMIN", strsignal(SIGRTMIN));
ASSERT_STREQ("SIGRTMIN+1", strsignal(SIGRTMIN + 1));
}