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Get launch_read and launch_write to (apparently) work.

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svn:r1258
This commit is contained in:
Nick Mathewson 2009-04-30 20:47:38 +00:00
parent 23121bfb41
commit efc24f7cf1
1 changed files with 11 additions and 3 deletions
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14
buffer_iocp.c
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@ -33,6 +33,7 @@
#include <windows.h>
#include <assert.h>
#include <stdio.h>
#include "event2/buffer.h"
#include "event2/buffer_compat.h"
@ -102,9 +103,9 @@ pin_release(struct event_overlapped *eo, unsigned flag)
struct evbuffer_chain *chain = bo->first_pinned;
for (i = 0; i < bo->n_buffers; ++i) {
assert(chain);
_evbuffer_chain_unpin(chain, flag);
chain = chain->next;
assert(chain);
}
}
@ -167,8 +168,10 @@ evbuffer_overlapped_new(evutil_socket_t fd)
evo = mm_calloc(1, sizeof(struct evbuffer_overlapped));
TAILQ_INIT(&evo->buffer.callbacks);
evo->buffer.refcnt = 1;
evo->buffer.is_overlapped = 1;
evo->fd = fd;
return &evo->buffer;
}
@ -247,11 +250,12 @@ evbuffer_launch_read(struct evbuffer *buf, size_t at_most)
struct evbuffer_overlapped *buf_o = upcast_evbuffer(buf);
int r = -1;
int nvecs;
int npin=0;
struct evbuffer_chain *chain=NULL;
DWORD bytesRead;
DWORD flags = 0;
if (!buf)
if (!buf_o)
return -1;
EVBUFFER_LOCK(buf, EVTHREAD_WRITE);
if (buf->freeze_end || buf_o->read_in_progress)
@ -270,8 +274,12 @@ evbuffer_launch_read(struct evbuffer *buf, size_t at_most)
buf_o->read_info.buffers, &chain);
buf_o->read_info.n_buffers = nvecs;
buf_o->read_info.first_pinned = chain;
for ( ; chain; chain = chain->next)
npin=0;
for ( ; chain; chain = chain->next) {
_evbuffer_chain_pin(chain, EVBUFFER_MEM_PINNED_R);
++npin;
}
assert(npin == nvecs);
_evbuffer_incref(buf);
if (WSARecv(buf_o->fd, buf_o->read_info.buffers, nvecs, &bytesRead, &flags, &buf_o->read_info.event_overlapped.overlapped, NULL)) {