diff options
Diffstat (limited to 'lib/mlibc/sysdeps/lemon/generic/sockets.cpp')
-rwxr-xr-x | lib/mlibc/sysdeps/lemon/generic/sockets.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/lib/mlibc/sysdeps/lemon/generic/sockets.cpp b/lib/mlibc/sysdeps/lemon/generic/sockets.cpp new file mode 100755 index 0000000..7244218 --- /dev/null +++ b/lib/mlibc/sysdeps/lemon/generic/sockets.cpp @@ -0,0 +1,132 @@ +#include <lemon/syscall.h> + +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +#include <mlibc/all-sysdeps.hpp> + +namespace { + +int fcntl_helper(int fd, int request, int *result, ...) { + va_list args; + va_start(args, result); + if(!mlibc::sys_fcntl) { + return ENOSYS; + } + int ret = mlibc::sys_fcntl(fd, request, args, result); + va_end(args); + return ret; +} + +} + +namespace mlibc{ + +int sys_socket(int domain, int type, int protocol, int *fd){ + long ret = syscall(SYS_SOCKET, domain, type, protocol); + + if(ret < 0){ + return -ret; + } + + *fd = ret; + + return 0; +} + +int sys_bind(int sockfd, const struct sockaddr *addr_ptr, socklen_t addrlen){ + return syscall(SYS_BIND, sockfd, addr_ptr, addrlen); +} + +int sys_connect(int sockfd, const struct sockaddr *addr_ptr, socklen_t addrlen){ + return syscall(SYS_CONNECT, sockfd, addr_ptr, addrlen); +} + +int sys_accept(int fd, int *newfd, struct sockaddr *addr_ptr, socklen_t *addr_length, int flags){ + long ret = syscall(SYS_ACCEPT, fd); + + if(ret < 0){ + return -ret; + } + + *newfd = ret; + + if(flags & SOCK_NONBLOCK) { + int fcntl_ret = 0; + fcntl_helper(*newfd, F_GETFL, &fcntl_ret); + fcntl_helper(*newfd, F_SETFL, &fcntl_ret, fcntl_ret | O_NONBLOCK); + } + + if(flags & SOCK_CLOEXEC) { + int fcntl_ret = 0; + fcntl_helper(*newfd, F_GETFD, &fcntl_ret); + fcntl_helper(*newfd, F_SETFD, &fcntl_ret, fcntl_ret | FD_CLOEXEC); + } + + return 0; +} + +int sys_listen(int fd, int backlog){ + return syscall(SYS_LISTEN, fd, backlog); +} + +int sys_msg_recv(int sockfd, struct msghdr *hdr, int flags, ssize_t *length){ + long ret = syscall(SYS_RECVMSG, sockfd, hdr, flags); + + if(ret < 0){ + return -ret; + } + + *length = ret; + + return 0; +} + +int sys_msg_send(int sockfd, const struct msghdr *hdr, int flags, ssize_t *length){ + long ret = syscall(SYS_SENDMSG, sockfd, hdr, flags); + + if(ret < 0){ + return -ret; + } + + *length = ret; + + return 0; +} + +int sys_setsockopt(int fd, int layer, int number, const void *buffer, socklen_t size){ + long ret = syscall(SYS_SET_SOCKET_OPTIONS, fd, layer, number, buffer, size); + + if(ret < 0){ + return -ret; + } + + return 0; +} + +int sys_getsockopt(int fd, int layer, int number, void *__restrict buffer, socklen_t *__restrict size){ + long ret = syscall(SYS_GET_SOCKET_OPTIONS, fd, layer, number, buffer, size); + + if(ret < 0){ + return -ret; + } + + return 0; +} + +int sys_socketpair(int domain, int type_and_flags, int proto, int *fds){ + return -syscall(SYS_SOCKETPAIR, domain, type_and_flags, proto, fds); +} + +int sys_sockname(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, + socklen_t *actual_length) { + return -syscall(SYS_SOCKNAME, fd, addr_ptr, max_addr_length); +} + +int sys_peername(int fd, struct sockaddr *addr_ptr, socklen_t max_addr_length, + socklen_t *actual_length) { + return -syscall(SYS_PEERNAME, fd, addr_ptr, max_addr_length); +} + +} |