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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:23:05 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:23:05 +0000 |
| commit | 75ac37a09b585cf3e6e3dd45575b1d8e693dddc5 (patch) | |
| tree | 55a9e2a6c067f8376f945ce4003c79bfdf221024 /linux-user | |
| parent | 4472ad0dbd3a0ee26915f259c92e5dddecef060a (diff) | |
| download | qemu-75ac37a09b585cf3e6e3dd45575b1d8e693dddc5.tar.gz | |
linux-user mknodat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3219 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/syscall.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index c40d66d06d..aa3fb19729 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -143,6 +143,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ #define __NR_sys_getdents __NR_getdents #define __NR_sys_getdents64 __NR_getdents64 #define __NR_sys_mkdirat __NR_mkdirat +#define __NR_sys_mknodat __NR_mknodat #define __NR_sys_openat __NR_openat #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo #define __NR_sys_syslog __NR_syslog @@ -171,6 +172,10 @@ _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat) _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode) #endif +#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) +_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, + mode_t,mode,dev_t,dev) +#endif #if defined(TARGET_NR_openat) && defined(__NR_openat) _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) #endif @@ -2643,6 +2648,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, ret = get_errno(mknod(p, arg2, arg3)); unlock_user(p, arg1, 0); break; +#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat) + case TARGET_NR_mknodat: + 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_mknodat(arg1, p, arg3, arg4)); + if (p) + unlock_user(p, arg2, 0); + break; +#endif case TARGET_NR_chmod: p = lock_user_string(arg1); ret = get_errno(chmod(p, arg2)); |