Commit | Line | Data |
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2117e02e MW |
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 | } |