| /* libc/sys/linux/inode.c - Inode-related system calls */ |
| |
| /* Written 2000 by Werner Almesberger */ |
| |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/utime.h> |
| #include <dirent.h> |
| #include <machine/syscall.h> |
| |
| #define _LIBC 1 |
| #include <sys/lock.h> |
| |
| |
| #define __NR___umask __NR_umask |
| |
| _syscall2(int,link,const char *,oldpath,const char *,newpath) |
| _syscall1(int,unlink,const char *,pathname) |
| _syscall1(int,chdir,const char *,path) |
| _syscall1(int,fchdir,int,fd) |
| _syscall2(int,access,const char *,filename,int,mode) |
| _syscall2(int,mkdir,const char *,pathname,mode_t,mode) |
| _syscall1(int,rmdir,const char *,pathname) |
| _syscall1(int,chroot,const char *,path) |
| _syscall2(int,stat,const char *,file_name,struct stat *,buf) |
| _syscall2(int,statfs,const char *,file_name,struct statfs *,buf) |
| _syscall2(int,fstat,int,filedes,struct stat *,buf) |
| _syscall2(int,fstatfs,int,filedes,struct statfs *,buf) |
| _syscall3(int,getdents,int,fd,struct dirent *,dirp,unsigned int,count) |
| |
| #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 2 |
| _syscall2(int,chmod,const char *,path,mode_t,mode) |
| _syscall3(int,chown,const char *,path,uid_t,owner,gid_t,group) |
| _syscall2(int,fchmod,int,filedes,mode_t,mode) |
| _syscall3(int,lchown,const char *,path,uid_t,owner,gid_t,group) |
| _syscall2(int,lstat,const char *,file_name,struct stat *,buf) |
| _syscall3(int,readlink,const char *,path,char *,buf,size_t,bufsiz) |
| _syscall2(int,symlink,const char *,oldpath,const char *,newpath) |
| _syscall2(int,utime,const char *,filename,const struct utimbuf *,buf) |
| #endif |
| |
| #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 3 |
| _syscall1(int,pipe,int *,filedes) |
| #endif |
| |
| #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 4 |
| _syscall3(int,mknod,const char *,pathname,mode_t,mode,dev_t,dev) |
| #endif |
| |
| weak_alias(__libc_statfs,__statfs) |
| weak_alias(__libc_fstatfs,__fstatfs) |
| |
| static _syscall3(int,fchown32,int,fd,uid_t,owner,gid_t,group) |
| |
| int |
| fchown (int fd, uid_t owner, gid_t group) |
| { |
| return __libc_fchown32 (fd, owner, group); |
| } |
| |
| #if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 2 |
| |
| __LOCK_INIT(static, umask_lock); |
| |
| _syscall1(mode_t,__umask,mode_t,mask) |
| |
| mode_t |
| umask (mode_t mask) |
| { |
| mode_t old_mask; |
| |
| /* we need to lock so as to not interfere with getumask */ |
| __lock_acquire(umask_lock); |
| old_mask = __umask (mask); |
| __lock_release(umask_lock); |
| |
| return old_mask; |
| } |
| |
| mode_t |
| getumask (void) |
| { |
| mode_t mask; |
| |
| __lock_acquire(umask_lock); |
| |
| mask = __umask (0); |
| mask = __umask (mask); |
| |
| __lock_release(umask_lock); |
| |
| return mask; |
| } |
| |
| #endif /* !_ELIX_LEVEL || _ELIX_LEVEL >= 2 */ |