libc/test/src/signal/kill_test.cpp

   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
  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 }