mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
0ba3199915
- The functions that return a sockaddr now do so the same way the Linux Kernel does across platforms, e.g. getpeername(), accept4() - Socket system calls on Windows will now only check for interrupts when a blocking operation needs to be performed. - Write tests for recvfrom() system call
54 lines
2.9 KiB
C
54 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/assert.h"
|
|
#include "libc/calls/internal.h"
|
|
#include "libc/calls/struct/fd.internal.h"
|
|
#include "libc/errno.h"
|
|
#include "libc/intrin/strace.internal.h"
|
|
#include "libc/nt/struct/iovec.h"
|
|
#include "libc/nt/struct/overlapped.h"
|
|
#include "libc/nt/winsock.h"
|
|
#include "libc/sock/internal.h"
|
|
#include "libc/sock/syscall_fd.internal.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
textwindows ssize_t sys_recv_nt(struct Fd *fd, const struct iovec *iov,
|
|
size_t iovlen, uint32_t flags) {
|
|
int err;
|
|
ssize_t rc;
|
|
uint32_t got;
|
|
struct SockFd *sockfd;
|
|
struct NtIovec iovnt[16];
|
|
struct NtOverlapped overlapped = {.hEvent = WSACreateEvent()};
|
|
err = errno;
|
|
if (!WSARecv(fd->handle, iovnt, __iovec2nt(iovnt, iov, iovlen), 0, &flags,
|
|
&overlapped, 0)) {
|
|
if (WSAGetOverlappedResult(fd->handle, &overlapped, &got, false, &flags)) {
|
|
rc = got;
|
|
} else {
|
|
rc = -1;
|
|
}
|
|
} else {
|
|
errno = err;
|
|
sockfd = (struct SockFd *)fd->extra;
|
|
rc = __wsablock(fd, &overlapped, &flags, true, sockfd->rcvtimeo);
|
|
}
|
|
_unassert(WSACloseEvent(overlapped.hEvent));
|
|
return rc;
|
|
}
|