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hub / github.com/LemonOSProject/LemonOS / SysConnect

Function SysConnect

Kernel/src/arch/x86_64/syscalls.cpp:1293–1316  ·  view source on GitHub ↗

* SysConnect (sockfd, addr, addrlen) - Initiate socket connection * sockfd - Socket file descriptor * addr - sockaddr structure * addrlen - size of addr * * On Success - return 0 * On Failure - return -1 */

Source from the content-addressed store, hash-verified

1291 * On Failure - return -1
1292 */
1293long SysConnect(regs64_t* r){
1294 process_t* proc = Scheduler::GetCurrentProcess();
1295 fs_fd_t* handle = proc->fileDescriptors.get_at(SC_ARG0(r));
1296 if(!handle){
1297 Log::Warning("sys_connect: Invalid file descriptor: ", SC_ARG0(r));
1298 return -1;
1299 }
1300
1301 if((handle->node->flags & FS_NODE_TYPE) != FS_NODE_SOCKET){
1302 Log::Warning("sys_connect: File (Descriptor: %d) is not a socket", SC_ARG0(r));
1303 return -2;
1304 }
1305
1306 socklen_t len = SC_ARG2(r);
1307
1308 sockaddr_t* addr = (sockaddr_t*)SC_ARG1(r);
1309 if(!Memory::CheckUsermodePointer(SC_ARG1(r), len, proc->addressSpace)){
1310 Log::Warning("sys_connect: Invalid sockaddr ptr");
1311 return -3;
1312 }
1313
1314 Socket* sock = (Socket*)handle->node;
1315 return sock->Connect(addr, len);
1316}
1317
1318/*
1319 * SysSend (sockfd, buf, len, flags) - Send data through a socket

Callers

nothing calls this directly

Calls 5

GetCurrentProcessFunction · 0.85
WarningFunction · 0.85
CheckUsermodePointerFunction · 0.85
get_atMethod · 0.80
ConnectMethod · 0.45

Tested by

no test coverage detected