Inter-process communication
syscalls_portCreate
GETFROMSTACK(ustack, u32 *, port, 0);
Creates new communication queue and returns its identifier in port variable.
syscalls_portDestroy
GETFROMSTACK(ustack, u32, port, 0);
Destroys communication queue identified by port variable.
syscalls_portRegister
GETFROMSTACK(ustack, unsigned int, port, 0);
GETFROMSTACK(ustack, char *, name, 1);
GETFROMSTACK(ustack, oid_t *, oid, 2);
Registers port in the namespace at name and returns object identifier oid identifying this association.
syscalls_msgSend
GETFROMSTACK(ustack, u32, port, 0);
GETFROMSTACK(ustack, msg_t *, msg, 1);
Sends message msg to queue identified by port. Execution of calling thread is suspended until receiving thread responds to this message.
syscalls_msgRecv
GETFROMSTACK(ustack, u32, port, 0);
GETFROMSTACK(ustack, msg_t *, msg, 1);
GETFROMSTACK(ustack, unsigned long int *, rid, 2);
Receives message msg from queue identified by port. The reception context is stored in variable rid.
syscalls_msgRespond
GETFROMSTACK(ustack, u32, port, 0);
GETFROMSTACK(ustack, msg_t *, msg, 1);
GETFROMSTACK(ustack, unsigned long int, rid, 2);
Responds to message msg using reception context rid.
syscalls_lookup
GETFROMSTACK(ustack, char *, name, 0);
GETFROMSTACK(ustack, oid_t *, file, 1);
GETFROMSTACK(ustack, oid_t *, dev, 2);
Lookups for object identifier (port and resource id) associated with name. Object identifier representing file is returned in file variable. If file is associated with other object the other object id is returned in dev.