1 /* ISC license. */
2
3 #include <skalibs/sysdeps.h>
4
5 #ifdef SKALIBS_HASSPLICE
6
7 #include <skalibs/nonposix.h>
8 #include <errno.h>
9 #include <fcntl.h>
10 #include <skalibs/iobuffer.h>
11
iobufferk_isworking(iobufferk * k)12 int iobufferk_isworking (iobufferk *k)
13 {
14 /* for now splice() with a length of 0 returns 0 no matter what, so this */
15 /* test is useless. splice() should test the underlying filesystems even */
16 /* if the length is 0. */
17
18 # if 0
19
20 int e = errno ;
21 if (splice(k->fd[0], 0, k->p[1], 0, 0, 0) < 0) goto no ;
22 if (splice(k->p[0], 0, k->fd[1], 0, 0, 0) < 0) goto no ;
23 errno = e ;
24 return 1 ;
25 no:
26 errno = e ;
27 return 0 ;
28
29 # else
30
31 (void)k ;
32 return 1 ;
33
34 # endif
35 }
36
37 #else
38
39 #include <skalibs/iobuffer.h>
40
iobufferk_isworking(iobufferk * k)41 int iobufferk_isworking (iobufferk *k)
42 {
43 (void)k ;
44 return 0 ;
45 }
46
47 #endif
48