1 //===-- Unittests for sigdelset -------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/signal/raise.h" 10 #include "src/signal/sigdelset.h" 11 #include "src/signal/sigfillset.h" 12 #include "src/signal/sigprocmask.h" 13 14 #include "test/UnitTest/ErrnoSetterMatcher.h" 15 #include "test/UnitTest/Test.h" 16 17 #include <signal.h> 18 19 TEST(LlvmLibcSigdelset, Invalid) { 20 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; 21 // Invalid set. 22 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(nullptr, SIGUSR1), Fails(EINVAL)); 23 24 sigset_t set; 25 // Valid set, invalid signum. 26 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, -1), Fails(EINVAL)); 27 } 28 29 TEST(LlvmLibcSigdelset, UnblockOne) { 30 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; 31 sigset_t set; 32 EXPECT_THAT(LIBC_NAMESPACE::sigfillset(&set), Succeeds()); 33 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, SIGUSR1), Succeeds()); 34 EXPECT_THAT(LIBC_NAMESPACE::sigprocmask(SIG_SETMASK, &set, nullptr), 35 Succeeds()); 36 EXPECT_DEATH([] { LIBC_NAMESPACE::raise(SIGUSR1); }, WITH_SIGNAL(SIGUSR1)); 37 } 38