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//===-- Unittests for sigdelset -------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/signal/raise.h"
#include "src/signal/sigdelset.h"
#include "src/signal/sigfillset.h"
#include "src/signal/sigprocmask.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include <errno.h>
#include <signal.h>
TEST(LlvmLibcSigdelset, Invalid) {
using __llvm_libc::testing::ErrnoSetterMatcher::Fails;
// Invalid set.
EXPECT_THAT(__llvm_libc::sigdelset(nullptr, SIGUSR1), Fails(EINVAL));
sigset_t set;
// Valid set, invalid signum.
EXPECT_THAT(__llvm_libc::sigdelset(&set, -1), Fails(EINVAL));
}
TEST(LlvmLibcSigdelset, UnblockOne) {
using __llvm_libc::testing::ErrnoSetterMatcher::Succeeds;
sigset_t set;
EXPECT_THAT(__llvm_libc::sigfillset(&set), Succeeds());
EXPECT_THAT(__llvm_libc::sigdelset(&set, SIGUSR1), Succeeds());
EXPECT_THAT(__llvm_libc::sigprocmask(SIG_SETMASK, &set, nullptr), Succeeds());
EXPECT_DEATH([] { __llvm_libc::raise(SIGUSR1); }, WITH_SIGNAL(SIGUSR1));
}
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