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linux-user fchownat() syscall, by Thayne Harbaugh.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3220 c046a42c-6fe2-441c-8c8c-71466251a162
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ths 2007-09-24 09:23:34 +00:00
parent 75ac37a09b
commit ccfa72b7da
1 changed files with 20 additions and 0 deletions
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20
linux-user/syscall.c
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@ -139,6 +139,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
#define __NR_sys_uname __NR_uname
#define __NR_sys_fchownat __NR_fchownat
#define __NR_sys_getcwd1 __NR_getcwd
#define __NR_sys_getdents __NR_getdents
#define __NR_sys_getdents64 __NR_getdents64
@ -162,6 +163,10 @@ static int gettid(void) {
}
#endif
_syscall1(int,sys_uname,struct new_utsname *,buf)
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
uid_t,owner,gid_t,group,int,flags)
#endif
_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
@ -4293,6 +4298,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
case TARGET_NR_fchown:
ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
break;
#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
case TARGET_NR_fchownat:
if (!arg2) {
ret = -EFAULT;
goto fail;
}
p = lock_user_string(arg2);
if (!access_ok(VERIFY_READ, p, 1))
ret = -EFAULT;
else
ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
if (p)
unlock_user(p, arg2, 0);
break;
#endif
#ifdef TARGET_NR_setresuid
case TARGET_NR_setresuid:
ret = get_errno(setresuid(low2highuid(arg1),