--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/third_party/libuv/src/unix/netbsd.c	Wed Jan 14 19:39:52 2026 -0800
@@ -0,0 +1,264 @@
+/* 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.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+
+#include <kvm.h>
+#include <paths.h>
+#include <unistd.h>
+#include <time.h>
+#include <stdlib.h>
+#include <fcntl.h>
+
+#include <sys/resource.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <uvm/uvm_extern.h>
+
+#include <unistd.h>
+#include <time.h>
+
+
+int uv__platform_loop_init(uv_loop_t* loop) {
+  return uv__kqueue_init(loop);
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0) == -1) return;
+
+  avg[0] = (double) info.ldavg[0] / info.fscale;
+  avg[1] = (double) info.ldavg[1] / info.fscale;
+  avg[2] = (double) info.ldavg[2] / info.fscale;
+}
+
+
+int uv_exepath(char* buffer, size_t* size) {
+  /* Intermediate buffer, retrieving partial path name does not work
+   * As of NetBSD-8(beta), vnode->path translator does not handle files
+   * with longer names than 31 characters.
+   */
+  char int_buf[PATH_MAX];
+  size_t int_size;
+  int mib[4];
+
+  if (buffer == NULL || size == NULL || *size == 0)
+    return UV_EINVAL;
+
+  mib[0] = CTL_KERN;
+  mib[1] = KERN_PROC_ARGS;
+  mib[2] = -1;
+  mib[3] = KERN_PROC_PATHNAME;
+  int_size = ARRAY_SIZE(int_buf);
+
+  if (sysctl(mib, 4, int_buf, &int_size, NULL, 0))
+    return UV__ERR(errno);
+
+  /* Copy string from the intermediate buffer to outer one with appropriate
+   * length.
+   */
+  /* TODO(bnoordhuis) Check uv__strscpy() return value. */
+  uv__strscpy(buffer, int_buf, *size);
+
+  /* Set new size. */
+  *size = strlen(buffer);
+
+  return 0;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  struct uvmexp info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_UVMEXP};
+
+  if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))
+    return 0;
+
+  return (uint64_t) info.free * sysconf(_SC_PAGESIZE);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+#if defined(HW_PHYSMEM64)
+  uint64_t info;
+  int which[] = {CTL_HW, HW_PHYSMEM64};
+#else
+  unsigned int info;
+  int which[] = {CTL_HW, HW_PHYSMEM};
+#endif
+  size_t size = sizeof(info);
+
+  if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))
+    return 0;
+
+  return (uint64_t) info;
+}
+
+
+uint64_t uv_get_constrained_memory(void) {
+  return 0;  /* Memory constraints are unknown. */
+}
+
+
+uint64_t uv_get_available_memory(void) {
+  return uv_get_free_memory();
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  kvm_t *kd = NULL;
+  struct kinfo_proc2 *kinfo = NULL;
+  pid_t pid;
+  int nprocs;
+  int max_size = sizeof(struct kinfo_proc2);
+  int page_size;
+
+  page_size = getpagesize();
+  pid = getpid();
+
+  kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, "kvm_open");
+
+  if (kd == NULL) goto error;
+
+  kinfo = kvm_getproc2(kd, KERN_PROC_PID, pid, max_size, &nprocs);
+  if (kinfo == NULL) goto error;
+
+  *rss = kinfo->p_vm_rssize * page_size;
+
+  kvm_close(kd);
+
+  return 0;
+
+error:
+  if (kd) kvm_close(kd);
+  return UV_EPERM;
+}
+
+
+int uv_uptime(double* uptime) {
+  time_t now;
+  struct timeval info;
+  size_t size = sizeof(info);
+  static int which[] = {CTL_KERN, KERN_BOOTTIME};
+
+  if (sysctl(which, ARRAY_SIZE(which), &info, &size, NULL, 0))
+    return UV__ERR(errno);
+
+  now = time(NULL);
+
+  *uptime = (double)(now - info.tv_sec);
+  return 0;
+}
+
+
+int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
+  unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK);
+  unsigned int multiplier = ((uint64_t)1000L / ticks);
+  unsigned int cur = 0;
+  uv_cpu_info_t* cpu_info;
+  u_int64_t* cp_times;
+  char model[512];
+  u_int64_t cpuspeed;
+  int numcpus;
+  size_t size;
+  int i;
+
+  size = sizeof(model);
+  if (sysctlbyname("machdep.cpu_brand", &model, &size, NULL, 0) &&
+      sysctlbyname("hw.model", &model, &size, NULL, 0)) {
+    return UV__ERR(errno);
+  }
+
+  size = sizeof(numcpus);
+  if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0))
+    return UV__ERR(errno);
+  *count = numcpus;
+
+  /* Only i386 and amd64 have machdep.tsc_freq */
+  size = sizeof(cpuspeed);
+  if (sysctlbyname("machdep.tsc_freq", &cpuspeed, &size, NULL, 0))
+    cpuspeed = 0;
+
+  size = numcpus * CPUSTATES * sizeof(*cp_times);
+  cp_times = uv__malloc(size);
+  if (cp_times == NULL)
+    return UV_ENOMEM;
+
+  if (sysctlbyname("kern.cp_time", cp_times, &size, NULL, 0))
+    return UV__ERR(errno);
+
+  *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos)) {
+    uv__free(cp_times);
+    uv__free(*cpu_infos);
+    return UV_ENOMEM;
+  }
+
+  for (i = 0; i < numcpus; i++) {
+    cpu_info = &(*cpu_infos)[i];
+    cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier;
+    cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier;
+    cpu_info->model = uv__strdup(model);
+    cpu_info->speed = (int)(cpuspeed/(uint64_t) 1e6);
+    cur += CPUSTATES;
+  }
+  uv__free(cp_times);
+  return 0;
+}
+
+int uv__random_sysctl(void* buf, size_t len) {
+  static int name[] = {CTL_KERN, KERN_ARND};
+  size_t count, req;
+  unsigned char* p;
+
+  p = buf;
+  while (len) {
+    req = len < 32 ? len : 32;
+    count = req;
+
+    if (sysctl(name, ARRAY_SIZE(name), p, &count, NULL, 0) == -1)
+      return UV__ERR(errno);
+
+    if (count != req)
+      return UV_EIO;  /* Can't happen. */
+
+    p += count;
+    len -= count;
+  }
+
+  return 0;
+}