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add io_canread and io_canwrite

master
Felix von Leitner 18 years ago
parent
commit
200f07718d
  1. 17
      io/io_canread.c
  2. 17
      io/io_canwrite.c

17
io/io_canread.c

@ -0,0 +1,17 @@
#include <unistd.h>
#include <sys/time.h>
#include <poll.h>
#include <errno.h>
#include "io_internal.h"
int64 io_canread() {
io_entry* e;
if (first_readable==-1) return -1;
e=array_get(&io_fds,sizeof(io_entry),first_readable);
if (e && e->canread) {
int64 r=first_readable;
first_readable=e->next_read;
return r;
}
return -1;
}

17
io/io_canwrite.c

@ -0,0 +1,17 @@
#include <unistd.h>
#include <sys/time.h>
#include <poll.h>
#include <errno.h>
#include "io_internal.h"
int64 io_canwrite() {
io_entry* e;
if (first_writeable==-1) return -1;
e=array_get(&io_fds,sizeof(io_entry),first_writeable);
if (e && e->canwrite) {
int64 r=first_writeable;
first_writeable=e->next_write;
return r;
}
return -1;
}
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