1*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
2*c9945492SAndroid Build Coastguard Worker #include <errno.h>
3*c9945492SAndroid Build Coastguard Worker #include <fcntl.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker
fchown(int fd,uid_t uid,gid_t gid)6*c9945492SAndroid Build Coastguard Worker int fchown(int fd, uid_t uid, gid_t gid)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker int ret = __syscall(SYS_fchown, fd, uid, gid);
9*c9945492SAndroid Build Coastguard Worker if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
10*c9945492SAndroid Build Coastguard Worker return __syscall_ret(ret);
11*c9945492SAndroid Build Coastguard Worker
12*c9945492SAndroid Build Coastguard Worker char buf[15+3*sizeof(int)];
13*c9945492SAndroid Build Coastguard Worker __procfdname(buf, fd);
14*c9945492SAndroid Build Coastguard Worker #ifdef SYS_chown
15*c9945492SAndroid Build Coastguard Worker return syscall(SYS_chown, buf, uid, gid);
16*c9945492SAndroid Build Coastguard Worker #else
17*c9945492SAndroid Build Coastguard Worker return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
18*c9945492SAndroid Build Coastguard Worker #endif
19*c9945492SAndroid Build Coastguard Worker
20*c9945492SAndroid Build Coastguard Worker }
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