blob: 0934128117a6a8999e8749050be1974d229abda7
| 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__) |
| 14 | pid_t getsid(pid_t pid) |
| 15 | { |
| 16 | return syscall(__NR_getsid, pid); |
| 17 | } |
| 18 | |
| 19 | int 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 | |
| 27 | int sethostname(const char *name, size_t len) |
| 28 | { |
| 29 | return syscall(__NR_sethostname, name, len); |
| 30 | } |
| 31 | |
| 32 | struct timex; |
| 33 | int adjtimex(struct timex *buf) |
| 34 | { |
| 35 | return syscall(__NR_adjtimex, buf); |
| 36 | } |
| 37 | |
| 38 | int pivot_root(const char *new_root, const char *put_old) |
| 39 | { |
| 40 | return syscall(__NR_pivot_root, new_root, put_old); |
| 41 | } |
| 42 | |
| 43 | # if __ANDROID_API__ < 21 |
| 44 | int tcdrain(int fd) |
| 45 | { |
| 46 | return ioctl(fd, TCSBRK, 1); |
| 47 | } |
| 48 | # endif |
| 49 | #endif |
| 50 |