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Introduce sigtimedwait() and sigwaitinfo()

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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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46
test/libc/calls/sigpending_test.c
View file

@ -20,27 +20,27 @@
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/struct/sigset.h"
#include "libc/errno.h"
#include "libc/sysv/consts/sa.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/testlib.h"
static unsigned OnSignalCnt = 0;
void OnSignal(int sig, siginfo_t *si, void *ctx) {
OnSignalCnt++;
EXPECT_EQ(SIGUSR1, sig);
}
TEST(sigpending, efault) {
ASSERT_SYS(EFAULT, -1, sigpending(0));
}
TEST(sigpending, test) {
sigset_t pending;
sigfillset(&pending);
EXPECT_EQ(0, sigpending(&pending));
unsigned cnt = 0;
for (unsigned sig = 1; sig < NSIG; sig++) {
if (sigismember(&pending, sig)) {
cnt++;
}
}
EXPECT_EQ(0, cnt);
EXPECT_EQ(0, sigcountset(&pending));
struct sigaction sa = {.sa_sigaction = OnSignal, .sa_flags = SA_SIGINFO};
ASSERT_EQ(0, sigaction(SIGUSR1, &sa, NULL));
@ -51,47 +51,23 @@ TEST(sigpending, test) {
ASSERT_EQ(0, raise(SIGUSR1));
sigfillset(&pending);
EXPECT_EQ(0, sigpending(&pending));
cnt = 0;
for (unsigned sig = 1; sig < NSIG; sig++) {
if (sigismember(&pending, sig)) {
cnt++;
}
}
EXPECT_EQ(1, cnt);
EXPECT_EQ(1, sigcountset(&pending));
EXPECT_EQ(1, sigismember(&pending, SIGUSR1));
ASSERT_NE(SIG_ERR, signal(SIGUSR1, SIG_IGN));
sigemptyset(&pending);
EXPECT_EQ(0, sigpending(&pending));
cnt = 0;
for (unsigned sig = 1; sig < NSIG; sig++) {
if (sigismember(&pending, sig)) {
cnt++;
}
}
EXPECT_EQ(0, cnt);
EXPECT_EQ(0, sigcountset(&pending));
ASSERT_EQ(0, sigaction(SIGUSR1, &sa, NULL));
ASSERT_EQ(0, raise(SIGUSR1));
EXPECT_EQ(0, sigpending(&pending));
cnt = 0;
for (unsigned sig = 1; sig < NSIG; sig++) {
if (sigismember(&pending, sig)) {
cnt++;
}
}
EXPECT_EQ(1, cnt);
EXPECT_EQ(1, sigcountset(&pending));
EXPECT_EQ(1, sigismember(&pending, SIGUSR1));
sigemptyset(&blocked);
ASSERT_EQ(0, sigprocmask(SIG_SETMASK, &blocked, NULL));
EXPECT_EQ(0, sigpending(&pending));
cnt = 0;
for (unsigned sig = 1; sig < NSIG; sig++) {
if (sigismember(&pending, sig)) {
cnt++;
}
}
EXPECT_EQ(0, cnt);
EXPECT_EQ(0, sigcountset(&pending));
EXPECT_EQ(1, OnSignalCnt);
}