openkylin
/
qemu
mirror of https://gitee.com/openkylin/qemu.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3227 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-09-24 09:27:49 +00:00
parent 814d79771f
commit 92a34c10b5
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
linux-user/syscall.c
View File

@ -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_faccessat __NR_faccessat
#define __NR_sys_fchmodat __NR_fchmodat
#define __NR_sys_fchownat __NR_fchownat
#define __NR_sys_getcwd1 __NR_getcwd
@ -169,6 +170,9 @@ static int gettid(void) {
}
#endif
_syscall1(int,sys_uname,struct new_utsname *,buf)
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
#endif
#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
mode_t,mode,int,flags)
@ -2851,6 +2855,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = get_errno(access(p, arg2));
unlock_user(p, arg1, 0);
break;
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
case TARGET_NR_faccessat:
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_faccessat(arg1, p, arg3, arg4));
if (p)
unlock_user(p, arg2, 0);
break;
#endif
#ifdef TARGET_NR_nice /* not on alpha */
case TARGET_NR_nice:
ret = get_errno(nice(arg1));