mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-05-22 21:32:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Initial import

Browse source
This commit is contained in:
Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
14915 changed files with 590219 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

56
libc/sock/shutdown.c Normal file
View file

@ -0,0 +1,56 @@
/*-*- 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/dce.h"
#include "libc/nt/winsock.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sysv/errfuns.h"
static int shutdown$nt(struct Fd *fd, int how) {
if (__shutdown$nt(fd->handle, how) != -1) {
return 0;
} else {
return winsockerr();
}
}
/**
* Disables sends or receives on a socket, without closing.
*
* @param fd is the open file descriptor for the socket
* @param how can be SHUT_RD, SHUT_WR, or SHUT_RDWR
* @return 0 on success or -1 on error
* @asyncsignalsafe
*/
int shutdown(int fd, int how) {
if (!IsWindows()) {
if (!IsXnu()) {
return shutdown$sysv(fd, how);
} else {
/* TODO(jart): What's wrong with XNU shutdown()? */
return 0;
}
} else if (isfdkind(fd, kFdSocket)) {
return shutdown$nt(&g_fds.p[fd], how);
} else {
return ebadf();
}
}