xref: /aosp_15_r20/external/llvm-libc/test/src/signal/kill_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Unittests for kill -----------------------------------------------===//
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/kill.h"
10 
11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12 #include "test/UnitTest/ErrnoSetterMatcher.h"
13 #include "test/UnitTest/Test.h"
14 
15 #include <signal.h>
16 #include <sys/syscall.h> // For syscall numbers.
17 
18 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
19 
TEST(LlvmLibcKillTest,TargetSelf)20 TEST(LlvmLibcKillTest, TargetSelf) {
21   pid_t parent_pid = LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_getpid);
22   ASSERT_THAT(LIBC_NAMESPACE::kill(parent_pid, 0), Succeeds(0));
23 
24   EXPECT_DEATH(
25       [] {
26         pid_t child_pid = LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_getpid);
27         LIBC_NAMESPACE::kill(child_pid, SIGKILL);
28       },
29       WITH_SIGNAL(SIGKILL));
30 }
31