text: /* 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 <assert.h>
  #include <string.h>
  #include <errno.h>
  
  #include <sys/types.h>
  #include <sys/sysctl.h>
  #include <time.h>
  
  #undef NANOSEC
  #define NANOSEC 1000000000
  
  
  uint64_t uv_hrtime(void) {
    struct timespec ts;
    clock_gettime(CLOCK_MONOTONIC, &ts);
    return (ts.tv_sec * NANOSEC + ts.tv_nsec);
  }
  
  
  int uv_exepath(char* buffer, size_t* size) {
    uint32_t usize;
    int result;
    char* path;
    char* fullpath;
    int mib[4];
    size_t cb;
  
    if (!buffer || !size) {
      return -1;
    }
  
  
    mib[0] = CTL_KERN;
    mib[1] = KERN_PROC;
    mib[2] = KERN_PROC_PATHNAME;
    mib[3] = -1;
  
    cb = *size;
    if (sysctl(mib, 4, buffer, &cb, NULL, 0) < 0) {
      *size = 0;
      return -1;
    }
    *size = strlen(buffer);
  
    return 0;
  }
  
  
  int uv_fs_event_init(uv_loop_t* loop,
                       uv_fs_event_t* handle,
                       const char* filename,
                       uv_fs_event_cb cb) {
    uv_err_new(loop, ENOSYS);
    return -1;
  }
  
  
  void uv__fs_event_destroy(uv_fs_event_t* handle) {
    assert(0 && "implement me");
  }
  