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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:27:49 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:27:49 +0000 |
| commit | 92a34c10b595ae01ff55c385b9867363ac91e0eb (patch) | |
| tree | 161e7385ef8c823afeece4f5233bcffe05d261dd | |
| parent | 814d79771f67aa66e73d886bd6aaa553892558a8 (diff) | |
| download | qemu-92a34c10b595ae01ff55c385b9867363ac91e0eb.tar.gz | |
linux-user faccessat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3227 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | linux-user/syscall.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 120b55b129..05f8596bc2 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -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)); |