int
accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
{
if (__glibc_likely (have_accept4 >= 0))
{
int ret = SOCKETCALL_CANCEL (accept4, fd, addr.__sockaddr__, addr_len,
flags);
/* The kernel returns -EINVAL for unknown socket operations.
We need to convert that error to an ENOSYS error. */
if (__builtin_expect (ret < 0, 0)
&& have_accept4 == 0
&& errno == EINVAL)
{
/* Try another call, this time with the FLAGS parameter
cleared and an invalid file descriptor. This call will not
cause any harm and it will return immediately. */
ret = SOCKETCALL_CANCEL (invalid, -1);
if (errno == EINVAL)
{
have_accept4 = -1;
__set_errno (ENOSYS);
}
else
{
have_accept4 = 1;
__set_errno (EINVAL);
}
return -1;
}
return ret;
}
__set_errno (ENOSYS);
return -1;
}
ssize_t
__libc_sendto (int fd, const void *buf, size_t len, int flags,
__CONST_SOCKADDR_ARG addr, socklen_t addrlen)
{
return SOCKETCALL_CANCEL (sendto, fd, buf, len, flags, addr.__sockaddr__,
addrlen);
}
int
accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
{
#ifdef __ASSUME_ACCEPT4_SYSCALL
return SYSCALL_CANCEL (accept4, fd, addr.__sockaddr__, addr_len, flags);
#else
return SOCKETCALL_CANCEL (accept4, fd, addr.__sockaddr__, addr_len, flags);
#endif
}
ssize_t
__libc_send (int fd, const void *buf, size_t len, int flags)
{
#ifdef __ASSUME_SEND_SYSCALL
return SYSCALL_CANCEL (send, fd, buf, len, flags);
#else
return SOCKETCALL_CANCEL (send, fd, buf, len, flags);
#endif
}
ssize_t
__libc_sendmsg (int fd, const struct msghdr *msg, int flags)
{
# ifdef __ASSUME_SENDMSG_SYSCALL
return SYSCALL_CANCEL (sendmsg, fd, msg, flags);
# else
return SOCKETCALL_CANCEL (sendmsg, fd, msg, flags);
# endif
}
int
__libc_connect (int fd, __CONST_SOCKADDR_ARG addr, socklen_t len)
{
#ifdef __ASSUME_CONNECT_SYSCALL
return SYSCALL_CANCEL (connect, fd, addr.__sockaddr__, len);
#else
return SOCKETCALL_CANCEL (connect, fd, addr.__sockaddr__, len);
#endif
}
ssize_t
__libc_recvmsg (int fd, struct msghdr *msg, int flags)
{
#ifdef __ASSUME_RECVMSG_SYSCALL
return SYSCALL_CANCEL (recvmsg, fd, msg, flags);
#else
return SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
#endif
}
ssize_t
__libc_recv (int fd, void *buf, size_t len, int flags)
{
#ifdef __ASSUME_RECV_SYSCALL
return SYSCALL_CANCEL (recv, fd, buf, len, flags);
#elif defined __ASSUME_RECVFROM_FOR_RECV_SYSCALL
return SYSCALL_CANCEL (recvfrom, fd, buf, len, flags, NULL, NULL);
#else
return SOCKETCALL_CANCEL (recv, fd, buf, len, flags);
#endif
}
int
__libc_accept (int fd, __SOCKADDR_ARG addr, socklen_t *len)
{
#ifdef __ASSUME_ACCEPT_SYSCALL
return SYSCALL_CANCEL (accept, fd, addr.__sockaddr__, len);
#elif defined __ASSUME_ACCEPT4_FOR_ACCEPT_SYSCALL
return SYSCALL_CANCEL (accept4, fd, addr.__sockaddr__, len, 0);
#else
return SOCKETCALL_CANCEL (accept, fd, addr.__sockaddr__, len);
#endif
}
ssize_t
__libc_sendto (int fd, const void *buf, size_t len, int flags,
__CONST_SOCKADDR_ARG addr, socklen_t addrlen)
{
#ifdef __ASSUME_SENDTO_SYSCALL
return SYSCALL_CANCEL (sendto, fd, buf, len, flags, addr.__sockaddr__,
addrlen);
#else
return SOCKETCALL_CANCEL (sendto, fd, buf, len, flags, addr.__sockaddr__,
addrlen);
#endif
}
ssize_t
__libc_sendmsg (int fd, const struct msghdr *msg, int flags)
{
return SOCKETCALL_CANCEL (sendmsg, fd, msg, flags);
}
int
accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags)
{
return SOCKETCALL_CANCEL (accept4, fd, addr.__sockaddr__, addr_len, flags);
}
ssize_t
__libc_recvmsg (int fd, struct msghdr *msg, int flags)
{
return SOCKETCALL_CANCEL (recvmsg, fd, msg, flags);
}
ssize_t
__libc_recv (int fd, void *buf, size_t len, int flags)
{
return SOCKETCALL_CANCEL (recv, fd, buf, len, flags);
}