diff options
Diffstat (limited to 'tools.c')
| -rw-r--r-- | tools.c | 21 |
1 files changed, 12 insertions, 9 deletions
@@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: tools.c 1.7 2000/04/24 15:01:35 kls Exp $ + * $Id: tools.c 1.8 2000/06/24 15:26:15 kls Exp $ */ #define _GNU_SOURCE @@ -22,15 +22,18 @@ int SysLogLevel = 3; -bool DataAvailable(int filedes) +bool DataAvailable(int filedes, bool wait) { - fd_set set; - FD_ZERO(&set); - FD_SET(filedes, &set); - struct timeval timeout; - timeout.tv_sec = 0; - timeout.tv_usec = 10000; - return select(FD_SETSIZE, &set, NULL, NULL, &timeout) > 0 && FD_ISSET(filedes, &set); + if (filedes >= 0) { + fd_set set; + FD_ZERO(&set); + FD_SET(filedes, &set); + struct timeval timeout; + timeout.tv_sec = wait ? 1 : 0; + timeout.tv_usec = wait ? 0 : 10000; + return select(FD_SETSIZE, &set, NULL, NULL, &timeout) > 0 && FD_ISSET(filedes, &set); + } + return false; } void writechar(int filedes, char c) |