| 3,7 → 3,6 |
|---|
| #include <reent.h> |
| #include <unistd.h> |
| #include <_syslist.h> |
| #include <errno.h> |
| |
| /* Some targets provides their own versions of this functions. Those |
| targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */ |
| 16,6 → 15,9 |
|---|
| |
| #ifndef REENTRANT_SYSCALLS_PROVIDED |
| |
| /* We use the errno variable used by the system dependent layer. */ |
| #undef errno |
| extern int errno; |
| |
| /* |
| FUNCTION |
| 39,49 → 41,18 |
|---|
| takes a pointer to the global data block, which holds |
| <<errno>>. |
| */ |
| extern unsigned __NFiles; |
| |
| |
| #define __handle_check( __h, __r ) \ |
| if( (__h) < 0 || (__h) > __NFiles ) { \ |
| ptr->_errno = EBADF ; \ |
| return( __r ); \ |
| } |
| |
| |
| |
| |
| int |
| _DEFUN(_close_r, (ptr, fd), |
| struct _reent *ptr _AND |
| int fd) |
| _close_r (ptr, fd) |
| struct _reent *ptr; |
| int fd; |
| { |
| int ret; |
| int h; |
| |
| __file_handle *fh; |
| |
| __handle_check( fd, -1 ); |
| |
| fh = (__file_handle*) __getOSHandle( fd ); |
| |
| if( fd > STDERR_FILENO ) |
| { |
| _free_r(ptr, fh->name); |
| _free_r(ptr, fh); |
| __freePOSIXHandle( fd ); |
| __SetIOMode_nogrow( fd, 0 ); |
| errno = 0; |
| if ((ret = _close (fd)) == -1 && errno != 0) |
| ptr->_errno = errno; |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| |
| int |
| _DEFUN( close,(fd), |
| int fd) |
| { |
| return _close_r(_REENT, fd); |
| } |
| |
| #endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */ |