diff options
Diffstat (limited to 'src/sysselect.h')
| -rw-r--r-- | src/sysselect.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/sysselect.h b/src/sysselect.h index b76e71a3a75..9ecc96e310c 100644 --- a/src/sysselect.h +++ b/src/sysselect.h @@ -16,6 +16,9 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ +#ifndef SYSSELECT_H +#define SYSSELECT_H 1 + #ifndef DOS_NT #include <sys/select.h> #endif @@ -47,3 +50,39 @@ typedef int fd_set; #ifdef MSDOS #define pselect sys_select #endif + +INLINE_HEADER_BEGIN + +/* Check for out-of-range errors if ENABLE_CHECKING is defined. */ + +INLINE void +fd_CLR (int fd, fd_set *set) +{ + eassume (0 <= fd && fd < FD_SETSIZE); + FD_CLR (fd, set); +} + +INLINE bool +fd_ISSET (int fd, fd_set *set) +{ + eassume (0 <= fd && fd < FD_SETSIZE); + return FD_ISSET (fd, set) != 0; +} + +INLINE void +fd_SET (int fd, fd_set *set) +{ + eassume (0 <= fd && fd < FD_SETSIZE); + FD_SET (fd, set); +} + +#undef FD_CLR +#undef FD_ISSET +#undef FD_SET +#define FD_CLR(fd, set) fd_CLR (fd, set) +#define FD_ISSET(fd, set) fd_ISSET (fd, set) +#define FD_SET(fd, set) fd_SET (fd, set) + +INLINE_HEADER_END + +#endif |