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, msg_rid_t *, 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, msg_rid_t, 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.