busybox/libbb/missing_syscalls.c
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   1/*
   2 * Copyright 2012, Denys Vlasenko
   3 *
   4 * Licensed under GPLv2, see file LICENSE in this source tree.
   5 */
   6
   7//kbuild:lib-y += missing_syscalls.o
   8
   9/*#include <linux/timex.h> - for struct timex, but may collide with <time.h> */
  10#include <sys/syscall.h>
  11#include "libbb.h"
  12
  13#if defined(ANDROID) || defined(__ANDROID__)
  14pid_t getsid(pid_t pid)
  15{
  16        return syscall(__NR_getsid, pid);
  17}
  18
  19int stime(const time_t *t)
  20{
  21        struct timeval tv;
  22        tv.tv_sec = *t;
  23        tv.tv_usec = 0;
  24        return settimeofday(&tv, NULL);
  25}
  26
  27int sethostname(const char *name, size_t len)
  28{
  29        return syscall(__NR_sethostname, name, len);
  30}
  31
  32struct timex;
  33int adjtimex(struct timex *buf)
  34{
  35        return syscall(__NR_adjtimex, buf);
  36}
  37
  38int pivot_root(const char *new_root, const char *put_old)
  39{
  40        return syscall(__NR_pivot_root, new_root, put_old);
  41}
  42
  43int tcdrain(int fd)
  44{
  45        return ioctl(fd, TCSBRK, 1);
  46}
  47#endif
  48