Merge commit 'a302c65dc65896776d6cb9e2c89a6ccc77ada530' as 'third-party/libuv'

third-party/libuv/src/unix/openbsd.c

@@ -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.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/resource.h>
+#include <sys/sched.h>
+#include <sys/time.h>
+#include <sys/sysctl.h>
+
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <kvm.h>
+#include <paths.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#undef NANOSEC
+#define NANOSEC ((uint64_t) 1e9)
+
+
+static char *process_title;
+
+
+int uv__platform_loop_init(uv_loop_t* loop, int default_loop) {
+  return uv__kqueue_init(loop);
+}
+
+
+void uv__platform_loop_delete(uv_loop_t* loop) {
+}
+
+
+uint64_t uv__hrtime(uv_clocktype_t type) {
+  struct timespec ts;
+  clock_gettime(CLOCK_MONOTONIC, &ts);
+  return (((uint64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec);
+}
+
+
+void uv_loadavg(double avg[3]) {
+  struct loadavg info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_LOADAVG};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0) < 0) 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) {
+  int mib[4];
+  char **argsbuf = NULL;
+  char **argsbuf_tmp;
+  size_t argsbuf_size = 100U;
+  size_t exepath_size;
+  pid_t mypid;
+  int err;
+
+  if (buffer == NULL || size == NULL)
+    return -EINVAL;
+
+  mypid = getpid();
+  for (;;) {
+    err = -ENOMEM;
+    argsbuf_tmp = realloc(argsbuf, argsbuf_size);
+    if (argsbuf_tmp == NULL)
+      goto out;
+    argsbuf = argsbuf_tmp;
+    mib[0] = CTL_KERN;
+    mib[1] = KERN_PROC_ARGS;
+    mib[2] = mypid;
+    mib[3] = KERN_PROC_ARGV;
+    if (sysctl(mib, 4, argsbuf, &argsbuf_size, NULL, 0) == 0) {
+      break;
+    }
+    if (errno != ENOMEM) {
+      err = -errno;
+      goto out;
+    }
+    argsbuf_size *= 2U;
+  }
+  if (argsbuf[0] == NULL) {
+    err = -EINVAL;  /* FIXME(bnoordhuis) More appropriate error. */
+    goto out;
+  }
+  exepath_size = strlen(argsbuf[0]);
+  if (exepath_size >= *size) {
+    err = -EINVAL;
+    goto out;
+  }
+  memcpy(buffer, argsbuf[0], exepath_size + 1U);
+  *size = exepath_size;
+  err = 0;
+
+out:
+  free(argsbuf);
+
+  return err;
+}
+
+
+uint64_t uv_get_free_memory(void) {
+  struct uvmexp info;
+  size_t size = sizeof(info);
+  int which[] = {CTL_VM, VM_UVMEXP};
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info.free * sysconf(_SC_PAGESIZE);
+}
+
+
+uint64_t uv_get_total_memory(void) {
+  uint64_t info;
+  int which[] = {CTL_HW, HW_PHYSMEM64};
+  size_t size = sizeof(info);
+
+  if (sysctl(which, 2, &info, &size, NULL, 0))
+    return -errno;
+
+  return (uint64_t) info;
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  process_title = argc ? strdup(argv[0]) : NULL;
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  if (process_title) free(process_title);
+  process_title = strdup(title);
+  setproctitle(title);
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  if (process_title) {
+    strncpy(buffer, process_title, size);
+  } else {
+    if (size > 0) {
+      buffer[0] = '\0';
+    }
+  }
+
+  return 0;
+}
+
+
+int uv_resident_set_memory(size_t* rss) {
+  kvm_t *kd = NULL;
+  struct kinfo_proc *kinfo = NULL;
+  pid_t pid;
+  int nprocs, max_size = sizeof(struct kinfo_proc);
+  size_t page_size = getpagesize();
+
+  pid = getpid();
+
+  kd = kvm_open(NULL, _PATH_MEM, NULL, O_RDONLY, "kvm_open");
+  if (kd == NULL) goto error;
+
+  kinfo = kvm_getprocs(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 -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, 2, &info, &size, NULL, 0))
+    return -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),
+               multiplier = ((uint64_t)1000L / ticks), cpuspeed;
+  uint64_t info[CPUSTATES];
+  char model[512];
+  int numcpus = 1;
+  int which[] = {CTL_HW,HW_MODEL,0};
+  size_t size;
+  int i;
+  uv_cpu_info_t* cpu_info;
+
+  size = sizeof(model);
+  if (sysctl(which, 2, &model, &size, NULL, 0))
+    return -errno;
+
+  which[1] = HW_NCPU;
+  size = sizeof(numcpus);
+  if (sysctl(which, 2, &numcpus, &size, NULL, 0))
+    return -errno;
+
+  *cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
+  if (!(*cpu_infos))
+    return -ENOMEM;
+
+  *count = numcpus;
+
+  which[1] = HW_CPUSPEED;
+  size = sizeof(cpuspeed);
+  if (sysctl(which, 2, &cpuspeed, &size, NULL, 0)) {
+    SAVE_ERRNO(free(*cpu_infos));
+    return -errno;
+  }
+
+  size = sizeof(info);
+  which[0] = CTL_KERN;
+  which[1] = KERN_CPTIME2;
+  for (i = 0; i < numcpus; i++) {
+    which[2] = i;
+    size = sizeof(info);
+    if (sysctl(which, 3, &info, &size, NULL, 0)) {
+      SAVE_ERRNO(free(*cpu_infos));
+      return -errno;
+    }
+
+    cpu_info = &(*cpu_infos)[i];
+    
+    cpu_info->cpu_times.user = (uint64_t)(info[CP_USER]) * multiplier;
+    cpu_info->cpu_times.nice = (uint64_t)(info[CP_NICE]) * multiplier;
+    cpu_info->cpu_times.sys = (uint64_t)(info[CP_SYS]) * multiplier;
+    cpu_info->cpu_times.idle = (uint64_t)(info[CP_IDLE]) * multiplier;
+    cpu_info->cpu_times.irq = (uint64_t)(info[CP_INTR]) * multiplier;
+
+    cpu_info->model = strdup(model);
+    cpu_info->speed = cpuspeed;
+  }
+
+  return 0;
+}
+
+
+void uv_free_cpu_info(uv_cpu_info_t* cpu_infos, int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(cpu_infos[i].model);
+  }
+
+  free(cpu_infos);
+}
+
+
+int uv_interface_addresses(uv_interface_address_t** addresses,
+  int* count) {
+  struct ifaddrs *addrs, *ent;
+  uv_interface_address_t* address;
+  int i;
+  struct sockaddr_dl *sa_addr;
+
+  if (getifaddrs(&addrs) != 0)
+    return -errno;
+
+   *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != PF_INET)) {
+      continue;
+    }
+    (*count)++;
+  }
+
+  *addresses = malloc(*count * sizeof(**addresses));
+
+  if (!(*addresses))
+    return -ENOMEM;
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+      continue;
+
+    if (ent->ifa_addr == NULL)
+      continue;
+
+    if (ent->ifa_addr->sa_family != PF_INET)
+      continue;
+
+    address->name = strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)) ||
+        (ent->ifa_addr == NULL) ||
+        (ent->ifa_addr->sa_family != AF_LINK)) {
+      continue;
+    }
+
+    address = *addresses;
+
+    for (i = 0; i < (*count); i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+  int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    free(addresses[i].name);
+  }
+
+  free(addresses);
+}