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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#include <sys/epoll.h>
#include "const-c.inc"
MODULE = IO::Epoll PACKAGE = IO::Epoll
INCLUDE: const-xs.inc
int
epoll_create(size)
int size
int
epoll_ctl(epfd,op,fd,events)
int epfd
int op
int fd
unsigned long events
CODE:
struct epoll_event event;
int ret;
event.events = events;
event.data.fd = fd;
RETVAL = epoll_ctl(epfd, op, fd, &event);
OUTPUT:
RETVAL
SV *
epoll_wait(epfd,maxevents,timeout)
int epfd
int maxevents
int timeout
CODE:
struct epoll_event *events;
int ret, i;
events = (struct epoll_event *)malloc(maxevents * sizeof(struct epoll_event));
if (!events) {
errno = ENOMEM;
XSRETURN_UNDEF;
}
ret = epoll_wait(epfd, events, maxevents, timeout);
if (ret < 0) {
free(events);
XSRETURN_UNDEF;
} else {
AV *results = (AV*)sv_2mortal((SV*)newAV());
for (i = 0; i < ret; i++) {
AV *ev = (AV*)sv_2mortal((SV*)newAV());
av_push(ev, newSVnv(events[i].data.fd));
av_push(ev, newSVnv(events[i].events));
av_push(results, newRV((SV*) ev));
}
RETVAL = newRV((SV *)results);
free(events);
}
OUTPUT:
RETVAL
SV *
epoll_pwait(epfd,maxevents,timeout,sigmask)
int epfd
int maxevents
int timeout
SV *sigmask
CODE:
struct epoll_event *events;
sigset_t *sigmask_real;
int ret, i;
if(SvOK(sigmask)) {
if(!sv_derived_from(sigmask, "POSIX::SigSet"))
Perl_croak(aTHX_ "epoll_pwait: sigmask is not of type POSIX::SigSet");
#if PERL_VERSION > 15 || PERL_VERSION == 15 && PERL_SUBVERSION > 2
sigmask_real = (sigset_t *) SvPV_nolen(SvRV(sigmask));
#else
/* This code borrowed from POSIX.xs */
IV tmp = SvIV((SV*)SvRV(sigmask));
sigmask_real = INT2PTR(sigset_t*, tmp);
#endif
}
else {
sigmask_real = NULL;
}
events = (struct epoll_event *)malloc(maxevents * sizeof(struct epoll_event));
if (!events) {
errno = ENOMEM;
XSRETURN_UNDEF;
}
ret = epoll_pwait(epfd, events, maxevents, timeout, sigmask_real);
if (ret < 0) {
free(events);
XSRETURN_UNDEF;
} else {
AV *results = (AV*)sv_2mortal((SV*)newAV());
for (i = 0; i < ret; i++) {
AV *ev = (AV*)sv_2mortal((SV*)newAV());
av_push(ev, newSVnv(events[i].data.fd));
av_push(ev, newSVnv(events[i].events));
av_push(results, newRV((SV*) ev));
}
RETVAL = newRV((SV *)results);
free(events);
}
OUTPUT:
RETVAL
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