busybox

/*

 * Copyright 2012, Denys Vlasenko

 *

 * Licensed under GPLv2, see file LICENSE in this source tree.

 */

//kbuild:lib-y += missing_syscalls.o

​

#include "libbb.h"

​

#if defined(ANDROID) || defined(__ANDROID__)

/*# include <linux/timex.h> - for struct timex, but may collide with <time.h> */

# include <sys/syscall.h>

pid_t getsid(pid_t pid)

{

    return syscall(__NR_getsid, pid);

}

​

int stime(const time_t *t)

{

    struct timeval tv;

    tv.tv_sec = *t;

    tv.tv_usec = 0;

    return settimeofday(&tv, NULL);

}

​

int sethostname(const char *name, size_t len)

{

    return syscall(__NR_sethostname, name, len);

}

​

struct timex;

int adjtimex(struct timex *buf)

{

    return syscall(__NR_adjtimex, buf);

}

​

int pivot_root(const char *new_root, const char *put_old)

{

    return syscall(__NR_pivot_root, new_root, put_old);

}

​

# if __ANDROID_API__ < 21

int tcdrain(int fd)

{

    return ioctl(fd, TCSBRK, 1);

}

# endif

#endif