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LibC: Add POSIX spec comments for socket APIs

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This commit is contained in:
Brian Gianforcaro 2021-12-20 01:26:55 -08:00 • committed by Brian Gianforcaro
parent 3c897d0443
commit 4484634d8a
1 changed files with 17 additions and 0 deletions
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17
Userland/Libraries/LibC/sys/socket.cpp
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@ -14,24 +14,28 @@
extern "C" {
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/socket.html
int socket(int domain, int type, int protocol)
{
int rc = syscall(SC_socket, domain, type, protocol);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html
int bind(int sockfd, const sockaddr* addr, socklen_t addrlen)
{
int rc = syscall(SC_bind, sockfd, addr, addrlen);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/listen.html
int listen(int sockfd, int backlog)
{
int rc = syscall(SC_listen, sockfd, backlog);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/accept.html
int accept(int sockfd, sockaddr* addr, socklen_t* addrlen)
{
return accept4(sockfd, addr, addrlen, 0);
@ -44,24 +48,28 @@ int accept4(int sockfd, sockaddr* addr, socklen_t* addrlen, int flags)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
int connect(int sockfd, const sockaddr* addr, socklen_t addrlen)
{
int rc = syscall(SC_connect, sockfd, addr, addrlen);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html
int shutdown(int sockfd, int how)
{
int rc = syscall(SC_shutdown, sockfd, how);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html
ssize_t sendmsg(int sockfd, const struct msghdr* msg, int flags)
{
int rc = syscall(SC_sendmsg, sockfd, msg, flags);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sendto.html
ssize_t sendto(int sockfd, const void* data, size_t data_length, int flags, const struct sockaddr* addr, socklen_t addr_length)
{
iovec iov = { const_cast<void*>(data), data_length };
@ -69,17 +77,20 @@ ssize_t sendto(int sockfd, const void* data, size_t data_length, int flags, cons
return sendmsg(sockfd, &msg, flags);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/send.html
ssize_t send(int sockfd, const void* data, size_t data_length, int flags)
{
return sendto(sockfd, data, data_length, flags, nullptr, 0);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html
ssize_t recvmsg(int sockfd, struct msghdr* msg, int flags)
{
int rc = syscall(SC_recvmsg, sockfd, msg, flags);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html
ssize_t recvfrom(int sockfd, void* buffer, size_t buffer_length, int flags, struct sockaddr* addr, socklen_t* addr_length)
{
if (!addr_length && addr) {
@ -98,11 +109,13 @@ ssize_t recvfrom(int sockfd, void* buffer, size_t buffer_length, int flags, stru
return rc;
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/recv.html
ssize_t recv(int sockfd, void* buffer, size_t buffer_length, int flags)
{
return recvfrom(sockfd, buffer, buffer_length, flags, nullptr, nullptr);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockopt.html
int getsockopt(int sockfd, int level, int option, void* value, socklen_t* value_size)
{
Syscall::SC_getsockopt_params params { sockfd, level, option, value, value_size };
@ -110,6 +123,7 @@ int getsockopt(int sockfd, int level, int option, void* value, socklen_t* value_
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html
int setsockopt(int sockfd, int level, int option, const void* value, socklen_t value_size)
{
Syscall::SC_setsockopt_params params { value, sockfd, level, option, value_size };
@ -117,6 +131,7 @@ int setsockopt(int sockfd, int level, int option, const void* value, socklen_t v
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/getsockname.html
int getsockname(int sockfd, struct sockaddr* addr, socklen_t* addrlen)
{
Syscall::SC_getsockname_params params { sockfd, addr, addrlen };
@ -124,6 +139,7 @@ int getsockname(int sockfd, struct sockaddr* addr, socklen_t* addrlen)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html
int getpeername(int sockfd, struct sockaddr* addr, socklen_t* addrlen)
{
Syscall::SC_getpeername_params params { sockfd, addr, addrlen };
@ -131,6 +147,7 @@ int getpeername(int sockfd, struct sockaddr* addr, socklen_t* addrlen)
__RETURN_WITH_ERRNO(rc, rc, -1);
}
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/socketpair.html
int socketpair(int domain, int type, int protocol, int sv[2])
{
Syscall::SC_socketpair_params params { domain, type, protocol, sv };