--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/test/task.h	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,388 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef TASK_H_
+#define TASK_H_
+
+#include "uv.h"
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <stdint.h>
+
+#if !defined(_WIN32)
+# include <sys/time.h>
+# include <sys/resource.h>  /* setrlimit() */
+#endif
+
+#ifdef __clang__
+# pragma clang diagnostic ignored "-Wvariadic-macros"
+# pragma clang diagnostic ignored "-Wc99-extensions"
+#endif
+
+#ifdef __GNUC__
+# pragma GCC diagnostic ignored "-Wvariadic-macros"
+#endif
+
+#define TEST_PORT 9123
+#define TEST_PORT_2 9124
+#define TEST_PORT_3 9125
+
+#ifdef _WIN32
+# define TEST_PIPENAME "\\\\.\\pipe\\uv-test"
+# define TEST_PIPENAME_2 "\\\\.\\pipe\\uv-test2"
+# define TEST_PIPENAME_3 "\\\\.\\pipe\\uv-test3"
+#elif __ANDROID__
+# define TEST_PIPENAME "/data/local/tmp/uv-test-sock"
+# define TEST_PIPENAME_2 "/data/local/tmp/uv-test-sock2"
+# define TEST_PIPENAME_3 "/data/local/tmp/uv-test-sock3"
+#else
+# define TEST_PIPENAME "/tmp/uv-test-sock"
+# define TEST_PIPENAME_2 "/tmp/uv-test-sock2"
+# define TEST_PIPENAME_3 "/tmp/uv-test-sock3"
+#endif
+
+#ifdef _WIN32
+# include <io.h>
+# ifndef S_IRUSR
+#  define S_IRUSR _S_IREAD
+# endif
+# ifndef S_IWUSR
+#  define S_IWUSR _S_IWRITE
+# endif
+#endif
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+#define container_of(ptr, type, member) \
+  ((type *) ((char *) (ptr) - offsetof(type, member)))
+
+typedef enum {
+  TCP = 0,
+  UDP,
+  PIPE
+} stream_type;
+
+/* Die with fatal error. */
+#define FATAL(msg)                                        \
+  do {                                                    \
+    fprintf(stderr,                                       \
+            "Fatal error in %s on line %d: %s\n",         \
+            __FILE__,                                     \
+            __LINE__,                                     \
+            msg);                                         \
+    fflush(stderr);                                       \
+    abort();                                              \
+  } while (0)
+
+/* Have our own assert, so we are sure it does not get optimized away in
+ * a release build.
+ */
+#define ASSERT(expr)                                      \
+ do {                                                     \
+  if (!(expr)) {                                          \
+    fprintf(stderr,                                       \
+            "Assertion failed in %s on line %d: %s\n",    \
+            __FILE__,                                     \
+            __LINE__,                                     \
+            #expr);                                       \
+    abort();                                              \
+  }                                                       \
+ } while (0)
+
+#define ASSERT_BASE(a, operator, b, type, conv)              \
+ do {                                                        \
+  volatile type eval_a = (type) (a);                         \
+  volatile type eval_b = (type) (b);                         \
+  if (!(eval_a operator eval_b)) {                           \
+    fprintf(stderr,                                          \
+            "Assertion failed in %s on line %d: `%s %s %s` " \
+            "(%"conv" %s %"conv")\n",                        \
+            __FILE__,                                        \
+            __LINE__,                                        \
+            #a,                                              \
+            #operator,                                       \
+            #b,                                              \
+            eval_a,                                          \
+            #operator,                                       \
+            eval_b);                                         \
+    abort();                                                 \
+  }                                                          \
+ } while (0)
+
+#define ASSERT_BASE_STR(expr, a, operator, b, type, conv)      \
+ do {                                                          \
+  if (!(expr)) {                                               \
+    fprintf(stderr,                                            \
+            "Assertion failed in %s on line %d: `%s %s %s` "   \
+            "(%"conv" %s %"conv")\n",                          \
+            __FILE__,                                          \
+            __LINE__,                                          \
+            #a,                                                \
+            #operator,                                         \
+            #b,                                                \
+            (type)a,                                           \
+            #operator,                                         \
+            (type)b);                                          \
+    abort();                                                   \
+  }                                                            \
+ } while (0)
+
+#define ASSERT_BASE_LEN(expr, a, operator, b, conv, len)     \
+ do {                                                        \
+  if (!(expr)) {                                             \
+    fprintf(stderr,                                          \
+            "Assertion failed in %s on line %d: `%s %s %s` " \
+            "(%.*"#conv" %s %.*"#conv")\n",                  \
+            __FILE__,                                        \
+            __LINE__,                                        \
+            #a,                                              \
+            #operator,                                       \
+            #b,                                              \
+            (int)len,                                        \
+            a,                                               \
+            #operator,                                       \
+            (int)len,                                        \
+            b);                                              \
+    abort();                                                 \
+  }                                                          \
+ } while (0)
+
+#define ASSERT_BASE_HEX(expr, a, operator, b, size)            \
+ do {                                                          \
+  if (!(expr)) {                                               \
+    int i;                                                     \
+    unsigned char* a_ = (unsigned char*)a;                     \
+    unsigned char* b_ = (unsigned char*)b;                     \
+    fprintf(stderr,                                            \
+            "Assertion failed in %s on line %d: `%s %s %s` (", \
+            __FILE__,                                          \
+            __LINE__,                                          \
+            #a,                                                \
+            #operator,                                         \
+            #b);                                               \
+    for (i = 0; i < size; ++i) {                               \
+      if (i > 0) fprintf(stderr, ":");                         \
+      fprintf(stderr, "%02X", a_[i]);                          \
+    }                                                          \
+    fprintf(stderr, " %s ", #operator);                        \
+    for (i = 0; i < size; ++i) {                               \
+      if (i > 0) fprintf(stderr, ":");                         \
+      fprintf(stderr, "%02X", b_[i]);                          \
+    }                                                          \
+    fprintf(stderr, ")\n");                                    \
+    abort();                                                   \
+  }                                                            \
+ } while (0)
+
+#define ASSERT_EQ(a, b) ASSERT_BASE(a, ==, b, int64_t, PRId64)
+#define ASSERT_GE(a, b) ASSERT_BASE(a, >=, b, int64_t, PRId64)
+#define ASSERT_GT(a, b) ASSERT_BASE(a, >, b, int64_t, PRId64)
+#define ASSERT_LE(a, b) ASSERT_BASE(a, <=, b, int64_t, PRId64)
+#define ASSERT_LT(a, b) ASSERT_BASE(a, <, b, int64_t, PRId64)
+#define ASSERT_NE(a, b) ASSERT_BASE(a, !=, b, int64_t, PRId64)
+#define ASSERT_OK(a) ASSERT_BASE(a, ==, 0, int64_t, PRId64)
+
+#define ASSERT_UINT64_EQ(a, b) ASSERT_BASE(a, ==, b, uint64_t, PRIu64)
+#define ASSERT_UINT64_GE(a, b) ASSERT_BASE(a, >=, b, uint64_t, PRIu64)
+#define ASSERT_UINT64_GT(a, b) ASSERT_BASE(a, >, b, uint64_t, PRIu64)
+#define ASSERT_UINT64_LE(a, b) ASSERT_BASE(a, <=, b, uint64_t, PRIu64)
+#define ASSERT_UINT64_LT(a, b) ASSERT_BASE(a, <, b, uint64_t, PRIu64)
+#define ASSERT_UINT64_NE(a, b) ASSERT_BASE(a, !=, b, uint64_t, PRIu64)
+
+#define ASSERT_DOUBLE_EQ(a, b) ASSERT_BASE(a, ==, b, double, "f")
+#define ASSERT_DOUBLE_GE(a, b) ASSERT_BASE(a, >=, b, double, "f")
+#define ASSERT_DOUBLE_GT(a, b) ASSERT_BASE(a, >, b, double, "f")
+#define ASSERT_DOUBLE_LE(a, b) ASSERT_BASE(a, <=, b, double, "f")
+#define ASSERT_DOUBLE_LT(a, b) ASSERT_BASE(a, <, b, double, "f")
+#define ASSERT_DOUBLE_NE(a, b) ASSERT_BASE(a, !=, b, double, "f")
+
+#define ASSERT_STR_EQ(a, b) \
+  ASSERT_BASE_STR(strcmp(a, b) == 0, a, == , b, char*, "s")
+
+#define ASSERT_STR_NE(a, b) \
+  ASSERT_BASE_STR(strcmp(a, b) != 0, a, !=, b, char*, "s")
+
+#define ASSERT_MEM_EQ(a, b, size) \
+  ASSERT_BASE_LEN(memcmp(a, b, size) == 0, a, ==, b, s, size)
+
+#define ASSERT_MEM_NE(a, b, size) \
+  ASSERT_BASE_LEN(memcmp(a, b, size) != 0, a, !=, b, s, size)
+
+#define ASSERT_MEM_HEX_EQ(a, b, size) \
+  ASSERT_BASE_HEX(memcmp(a, b, size) == 0, a, ==, b, size)
+
+#define ASSERT_MEM_HEX_NE(a, b, size) \
+  ASSERT_BASE_HEX(memcmp(a, b, size) != 0, a, !=, b, size)
+
+#define ASSERT_NULL(a) \
+  ASSERT_BASE(a, ==, NULL, void*, "p")
+
+#define ASSERT_NOT_NULL(a) \
+  ASSERT_BASE(a, !=, NULL, void*, "p")
+
+#define ASSERT_PTR_EQ(a, b) \
+  ASSERT_BASE(a, ==, b, void*, "p")
+
+#define ASSERT_PTR_NE(a, b) \
+  ASSERT_BASE(a, !=, b, void*, "p")
+
+#define ASSERT_PTR_LT(a, b) \
+  ASSERT_BASE(a, <, b, void*, "p")
+
+/* This macro cleans up the event loop. This is used to avoid valgrind
+ * warnings about memory being "leaked" by the event loop.
+ */
+#define MAKE_VALGRIND_HAPPY(loop)                   \
+  do {                                              \
+    close_loop(loop);                               \
+    ASSERT_EQ(0, uv_loop_close(loop));              \
+    uv_library_shutdown();                          \
+  } while (0)
+
+/* Just sugar for wrapping the main() for a task or helper. */
+#define TEST_IMPL(name)                                                       \
+  int run_test_##name(void);                                                  \
+  int run_test_##name(void)
+
+#define BENCHMARK_IMPL(name)                                                  \
+  int run_benchmark_##name(void);                                             \
+  int run_benchmark_##name(void)
+
+#define HELPER_IMPL(name)                                                     \
+  int run_helper_##name(void);                                                \
+  int run_helper_##name(void)
+
+/* Format big numbers nicely. */
+char* fmt(char (*buf)[32], double d);
+
+/* Reserved test exit codes. */
+enum test_status {
+  TEST_OK = 0,
+  TEST_SKIP = 7
+};
+
+#define RETURN_OK()                                                           \
+  do {                                                                        \
+    return TEST_OK;                                                           \
+  } while (0)
+
+#define RETURN_SKIP(explanation)                                              \
+  do {                                                                        \
+    fprintf(stderr, "%s\n", explanation);                                     \
+    fflush(stderr);                                                           \
+    return TEST_SKIP;                                                         \
+  } while (0)
+
+#if !defined(_WIN32)
+
+# define TEST_FILE_LIMIT(num)                                                 \
+    do {                                                                      \
+      struct rlimit lim;                                                      \
+      lim.rlim_cur = (num);                                                   \
+      lim.rlim_max = lim.rlim_cur;                                            \
+      if (setrlimit(RLIMIT_NOFILE, &lim))                                     \
+        RETURN_SKIP("File descriptor limit too low.");                        \
+    } while (0)
+
+#else  /* defined(_WIN32) */
+
+# define TEST_FILE_LIMIT(num) do {} while (0)
+
+#endif
+
+#if !defined(snprintf) && defined(_MSC_VER) && _MSC_VER < 1900
+extern int snprintf(char*, size_t, const char*, ...);
+#endif
+
+#if defined(__clang__) ||                                \
+    defined(__GNUC__) ||                                 \
+    defined(__INTEL_COMPILER)
+# define UNUSED __attribute__((unused))
+#else
+# define UNUSED
+#endif
+
+#if defined(_WIN32)
+#define notify_parent_process() ((void) 0)
+#else
+extern void notify_parent_process(void);
+#endif
+
+/* Fully close a loop */
+static void close_walk_cb(uv_handle_t* handle, void* arg) {
+  if (!uv_is_closing(handle))
+    uv_close(handle, NULL);
+}
+
+UNUSED static void close_loop(uv_loop_t* loop) {
+  uv_walk(loop, close_walk_cb, NULL);
+  uv_run(loop, UV_RUN_DEFAULT);
+}
+
+UNUSED static int can_ipv6(void) {
+  uv_interface_address_t* addr;
+  int supported;
+  int count;
+  int i;
+
+  if (uv_interface_addresses(&addr, &count))
+    return 0;  /* Assume no IPv6 support on failure. */
+
+  supported = 0;
+  for (i = 0; supported == 0 && i < count; i += 1)
+    supported = (AF_INET6 == addr[i].address.address6.sin6_family);
+
+  uv_free_interface_addresses(addr, count);
+  return supported;
+}
+
+#if defined(__CYGWIN__) || defined(__MSYS__) || defined(__PASE__)
+# define NO_FS_EVENTS "Filesystem watching not supported on this platform."
+#endif
+
+#if defined(__MSYS__)
+# define NO_SEND_HANDLE_ON_PIPE \
+  "MSYS2 runtime does not support sending handles on pipes."
+#elif defined(__CYGWIN__)
+# define NO_SEND_HANDLE_ON_PIPE \
+  "Cygwin runtime does not support sending handles on pipes."
+#endif
+
+#if defined(__MSYS__)
+# define NO_SELF_CONNECT \
+  "MSYS2 runtime hangs on listen+connect in same process."
+#elif defined(__CYGWIN__)
+# define NO_SELF_CONNECT \
+  "Cygwin runtime hangs on listen+connect in same process."
+#endif
+
+#if !defined(__linux__) && \
+    !(defined(__FreeBSD__) && __FreeBSD_version >= 1301000) && \
+    !defined(_WIN32)
+# define NO_CPU_AFFINITY \
+  "affinity not supported on this platform."
+#endif
+
+#endif /* TASK_H_ */