| 1 | #include "select.h" |
| 2 | #include "open.h" |
| 3 | #include "trigger.h" |
| 4 | #include "hasnpbg1.h" |
| 5 | |
| 6 | static int fd = -1; |
| 7 | #ifdef HASNAMEDPIPEBUG1 |
| 8 | static int fdw = -1; |
| 9 | #endif |
| 10 | |
| 11 | void trigger_set() |
| 12 | { |
| 13 | if (fd != -1) |
| 14 | close(fd); |
| 15 | #ifdef HASNAMEDPIPEBUG1 |
| 16 | if (fdw != -1) |
| 17 | close(fdw); |
| 18 | #endif |
| 19 | fd = open_read("lock/trigger"); |
| 20 | #ifdef HASNAMEDPIPEBUG1 |
| 21 | fdw = open_write("lock/trigger"); |
| 22 | #endif |
| 23 | } |
| 24 | |
| 25 | void trigger_selprep(nfds,rfds) |
| 26 | int *nfds; |
| 27 | fd_set *rfds; |
| 28 | { |
| 29 | if (fd != -1) |
| 30 | { |
| 31 | FD_SET(fd,rfds); |
| 32 | if (*nfds < fd + 1) *nfds = fd + 1; |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | int trigger_pulled(rfds) |
| 37 | fd_set *rfds; |
| 38 | { |
| 39 | if (fd != -1) if (FD_ISSET(fd,rfds)) return 1; |
| 40 | return 0; |
| 41 | } |