diff options
Diffstat (limited to 'trynpbg1.c')
-rw-r--r-- | trynpbg1.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/trynpbg1.c b/trynpbg1.c new file mode 100644 index 0000000..9d5f80b --- /dev/null +++ b/trynpbg1.c @@ -0,0 +1,26 @@ +#include "select.h" +#include "open.h" +#include "fifo.h" + +#define FN "temp-trynpbg1.fifo" + +void main() +{ + int flagbug; + struct timeval instant; + fd_set rfds; + + flagbug = 0; + if (fifo_make(FN,0600) != -1) { + close(0); + if (open_read(FN) == 0) { + FD_ZERO(&rfds); + FD_SET(0,&rfds); + instant.tv_sec = instant.tv_usec = 0; + if (select(1,&rfds,(fd_set *) 0,(fd_set *) 0,&instant) > 0) + flagbug = 1; + } + unlink(FN); + } + _exit(!flagbug); +} |