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kqueue code compiles on debian kfreebsd

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Joey Hess 2012-06-18 20:33:27 +00:00 • committed by Joey Hess
parent 90d565149a
commit d680ff7ef0
3 changed files with 40 additions and 36 deletions
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55
Utility/libkqueue.c
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@ -13,10 +13,35 @@
#include <sys/event.h>
#include <sys/time.h>
/* The specified fds are added to the set of fds being watched for changes.
* Fds passed to prior calls still take effect, so it's most efficient to
* not pass the same fds repeatedly.
*/
signed int helper(const int kq, const int fdcnt, const int *fdlist,
struct timespec *timeout) {
int i, nev;
struct kevent evlist[1];
struct kevent chlist[fdcnt];
for (i = 0; i < fdcnt; i++) {
EV_SET(&chlist[i], fdlist[i], EVFILT_VNODE,
EV_ADD | EV_ENABLE | EV_CLEAR,
NOTE_WRITE,
0, 0);
}
nev = kevent(kq, chlist, fdcnt, evlist, 1, timeout);
if (nev == 1)
return evlist[0].ident;
else
return -1;
}
/* Initializes a kqueue, with a list of fds to watch for changes.
* Returns the kqueue's handle. */
int init_kqueue(const int fdcnt, const int *fdlist) {
struct nodelay = {0, 0};
struct timespec nodelay = {0, 0};
int kq;
if ((kq = kqueue()) == -1) {
@ -36,31 +61,5 @@ int init_kqueue(const int fdcnt, const int *fdlist) {
* Returns the fd that changed, or -1 on error.
*/
signed int waitchange_kqueue(const int kq) {
helper(kq, 0, NULL, NULL);
}
/* The specified fds are added to the set of fds being watched for changes.
* Fds passed to prior calls still take effect, so it's most efficient to
* not pass the same fds repeatedly.
*/
signed int helper(const int kq, const int fdcnt, const int *fdlist, cont struct *timeout) {
int i, nev;
struct kevent evlist[1];
struct kevent chlist[fdcnt];
for (i = 0; i < fdcnt; i++) {
EV_SET(&chlist[i], fdlist[i], EVFILT_VNODE,
EV_ADD | EV_ENABLE | EV_CLEAR,
NOTE_WRITE,
1,
timeout);
}
nev = kevent(info->kq, info->chlist, info->cnt, info->evlist,
1, NULL);
if (nev == 1)
return evlist[0].ident;
else
return -1;
return helper(kq, 0, NULL, NULL);
}