libc/arch-nacl/syscalls/clock_gettime.c

// Copyright 2013 Google Inc. All Rights Reserved.
//
// Unfortunately, nacl-glibc's clock_gettime.c is heavily depending on
// other code in glibc. So, we track nothing for this file.
//

#include <errno.h>
#include <time.h>

#include <irt_syscalls.h>
#include <nacl_timespec.h>

int clock_gettime(clockid_t clk_id, struct timespec *tp) {
  switch (clk_id) {
    case CLOCK_MONOTONIC:
    case CLOCK_PROCESS_CPUTIME_ID:
    case CLOCK_REALTIME:
    case CLOCK_THREAD_CPUTIME_ID: {
      if (!tp) {
        errno = EFAULT;
        return -1;
      }
      struct nacl_abi_timespec nacl_tp;
      int result = __nacl_irt_clock_gettime(clk_id, &nacl_tp);
      if (result != 0) {
        errno = result;
        return -1;
      }
      __nacl_abi_timespec_to_timespec(&nacl_tp, tp);
      return 0;
    }
    default:
      errno = EINVAL;
      return -1;
  }
}