summaryrefslogtreecommitdiff
path: root/lib/mlibc/sysdeps/lemon/generic/sockets.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/sysdeps/lemon/generic/sockets.cpp')
-rwxr-xr-xlib/mlibc/sysdeps/lemon/generic/sockets.cpp132
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);
+}
+
+}