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Justine Tunney 2020-06-15 07:18:57 -07:00
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libc/sock/internal.h Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=8 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 │
╚─────────────────────────────────────────────────────────────────────────────*/
#ifndef COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_
#define COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_
#include "libc/bits/bits.h"
#include "libc/nt/winsock.h"
#include "libc/sock/sock.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define FD_READ (1 << FD_READ_BIT)
#define FD_READ_BIT 0
#define FD_WRITE (1 << FD_WRITE_BIT)
#define FD_WRITE_BIT 1
#define FD_OOB (1 << FD_OOB_BIT)
#define FD_OOB_BIT 2
#define FD_ACCEPT (1 << FD_ACCEPT_BIT)
#define FD_ACCEPT_BIT 3
#define FD_CONNECT (1 << FD_CONNECT_BIT)
#define FD_CONNECT_BIT 4
#define FD_CLOSE (1 << FD_CLOSE_BIT)
#define FD_CLOSE_BIT 5
struct Fd;
struct iovec;
struct timeval;
struct sockaddr$bsd {
uint8_t sa_len; /* « different type */
uint8_t sa_family; /* « different type */
char sa_data[14];
};
struct sockaddr_in$bsd {
uint8_t sin_len; /* « different type */
uint8_t sin_family; /* « different type */
uint16_t sin_port;
struct in_addr sin_addr;
uint8_t sin_zero[8];
};
struct msghdr$bsd {
void *msg_name;
uint32_t msg_namelen;
struct iovec *msg_iov;
uint32_t msg_iovlen; /* « different type */
void *msg_control;
uint64_t msg_controllen;
uint32_t msg_flags; /* « different type */
};
int32_t __accept$sysv(int32_t, void *, uint32_t *) nodiscard hidden;
int32_t __accept4$sysv(int32_t, void *, uint32_t *, int) nodiscard hidden;
int32_t __connect$sysv(int32_t, const void *, uint32_t) hidden;
int32_t __socket$sysv(int32_t, int32_t, int32_t) hidden;
int32_t __getsockname$sysv(int32_t, void *, uint32_t *) hidden;
int32_t __getpeername$sysv(int32_t, void *, uint32_t *) hidden;
int32_t select$sysv(int32_t, fd_set *, fd_set *, fd_set *, struct timeval *);
int32_t setsockopt$sysv(int32_t, int32_t, int32_t, const void *,
uint32_t) hidden;
int32_t accept4$sysv(int32_t, void *, uint32_t *, int) nodiscard hidden;
int32_t accept$sysv(int32_t, void *, uint32_t *) hidden;
int32_t bind$sysv(int32_t, const void *, uint32_t) hidden;
int32_t connect$sysv(int32_t, const void *, uint32_t) hidden;
int32_t getsockopt$sysv(int32_t, int32_t, int32_t, void *, uint32_t *) hidden;
int32_t listen$sysv(int32_t, int32_t) hidden;
int32_t getsockname$sysv(int32_t, void *, uint32_t *) hidden;
int32_t getpeername$sysv(int32_t, void *, uint32_t *) hidden;
int32_t poll$sysv(struct pollfd *, uint64_t, signed) hidden;
int32_t shutdown$sysv(int32_t, int32_t) hidden;
int32_t socket$sysv(int32_t, int32_t, int32_t) hidden;
int64_t readv$sysv(int32_t, const struct iovec *, int32_t) hidden;
int64_t writev$sysv(int32_t, const struct iovec *, int32_t) hidden;
ssize_t recvfrom$sysv(int, void *, size_t, int, void *, uint32_t *) hidden;
ssize_t sendto$sysv(int, const void *, size_t, int, const void *,
uint32_t) hidden;
int poll$nt(struct pollfd *, uint64_t, int32_t) hidden;
int getsockopt$nt(struct Fd *, int, int, void *, uint32_t *) hidden;
int getsockname$nt(struct Fd *, void *, uint32_t *) hidden;
int getpeername$nt(struct Fd *, void *, uint32_t *) hidden;
int listen$nt(struct Fd *, int) hidden;
int connect$nt(struct Fd *, const void *, uint32_t) hidden;
int bind$nt(struct Fd *, const void *, uint32_t);
int accept$nt(struct Fd *, void *, uint32_t *, int) hidden;
int closesocket$nt(int) hidden;
int socket$nt(int, int, int) hidden;
size_t iovec2nt(struct iovec$nt[hasatleast 16], const struct iovec *,
size_t) hidden;
ssize_t sendto$nt(struct Fd *, const struct iovec *, size_t, uint32_t, void *,
uint32_t *) hidden;
ssize_t recvfrom$nt(struct Fd *, const struct iovec *, size_t, uint32_t, void *,
uint32_t *) hidden;
int64_t winsockerr(void) nocallback hidden;
int fixupnewsockfd$sysv(int, int) hidden;
ssize_t WinSendRecv(int64_t, void *, size_t, uint32_t, struct sockaddr *,
uint32_t *, bool) hidden;
int64_t winsockblock(int64_t, unsigned, int64_t) hidden;
/**
* Converts sockaddr (Linux/Windows) → sockaddr$bsd (XNU/BSD).
*/
forceinline void sockaddr2bsd(void *saddr) {
uint8_t *p;
uint16_t fam;
if (saddr) {
p = saddr;
fam = read16le(p);
p[0] = sizeof(struct sockaddr_in$bsd);
p[1] = fam;
}
}
/**
* Converts sockaddr_in$bsd (XNU/BSD) → sockaddr (Linux/Windows).
*/
forceinline void sockaddr2linux(void *saddr) {
uint8_t *p, fam;
if (saddr) {
p = saddr;
fam = p[1];
WRITE16LE(p, fam);
}
}
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_SOCK_INTERNAL_H_ */