[libc-commits] [libc] [libc] Implement pthread_kill (PR #222625)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/OSUtil/linux/syscall_wrappers/tgkill.h libc/src/signal/linux/pthread_kill.cpp libc/src/signal/pthread_kill.h libc/test/integration/src/pthread/pthread_kill_test.cpp libc/src/__support/OSUtil/linux/syscall_wrappers/raise.h libc/src/__support/threads/linux/thread.cpp libc/src/__support/threads/thread.h --diff_from_common_commit
``````````

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``````````diff
diff --git a/libc/test/integration/src/pthread/pthread_kill_test.cpp b/libc/test/integration/src/pthread/pthread_kill_test.cpp
index 1233a1e40..205e8b879 100644
--- a/libc/test/integration/src/pthread/pthread_kill_test.cpp
+++ b/libc/test/integration/src/pthread/pthread_kill_test.cpp
@@ -65,8 +65,7 @@ static void test_self_signal_zero() {
 
 static void test_self_signal_delivery() {
   pthread_t self = LIBC_NAMESPACE::pthread_self();
-  uint32_t initial =
-      usr1_count.load(LIBC_NAMESPACE::cpp::MemoryOrder::RELAXED);
+  uint32_t initial = usr1_count.load(LIBC_NAMESPACE::cpp::MemoryOrder::RELAXED);
   ASSERT_EQ(LIBC_NAMESPACE::pthread_kill(self, SIGUSR1), 0);
   ASSERT_EQ(usr1_count.load(LIBC_NAMESPACE::cpp::MemoryOrder::RELAXED),
             initial + 1);
@@ -81,8 +80,7 @@ static void *cross_thread_worker(void *initial_opaque) {
 
 static void test_cross_thread_signal() {
   pthread_t th;
-  uint32_t initial =
-      usr1_count.load(LIBC_NAMESPACE::cpp::MemoryOrder::RELAXED);
+  uint32_t initial = usr1_count.load(LIBC_NAMESPACE::cpp::MemoryOrder::RELAXED);
   ASSERT_EQ(LIBC_NAMESPACE::pthread_create(&th, nullptr, cross_thread_worker,
                                            reinterpret_cast<void *>(initial)),
             0);

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https://github.com/llvm/llvm-project/pull/222625