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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:24:11 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:24:11 +0000 |
| commit | 8170f56baf6b146653246b8cbf7298fd228cbc75 (patch) | |
| tree | d0c9100fc45947c3fcc252cfe4a322e9d2d37add /linux-user | |
| parent | ccfa72b7dae809973f67dfd3d50795a311ecd7b7 (diff) | |
| download | qemu-8170f56baf6b146653246b8cbf7298fd228cbc75.tar.gz qemu-8170f56baf6b146653246b8cbf7298fd228cbc75.tar.bz2 qemu-8170f56baf6b146653246b8cbf7298fd228cbc75.zip | |
linux-user unlinkat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3221 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user')
| -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 07efda3009..9880549ec6 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -150,6 +150,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ #define __NR_sys_syslog __NR_syslog #define __NR_sys_tgkill __NR_tgkill #define __NR_sys_tkill __NR_tkill +#define __NR_sys_unlinkat __NR_unlinkat #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) #define __NR__llseek __NR_lseek @@ -198,6 +199,9 @@ _syscall1(int,exit_group,int,error_code) #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) _syscall1(int,set_tid_address,int *,tidptr) #endif +#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) +_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags) +#endif extern int personality(int); extern int flock(int, int); @@ -2577,6 +2581,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, ret = get_errno(unlink(p)); unlock_user(p, arg1, 0); break; +#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat) + case TARGET_NR_unlinkat: + 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_unlinkat(arg1, p, arg3)); + if (p) + unlock_user(p, arg2, 0); + break; +#endif case TARGET_NR_execve: { char **argp, **envp; |