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comparison gsm-fw/gpf/osx/osx.c @ 498:0be71d13b6e7

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osx.c: int_osx_receive_prim() done
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Tue, 01 Jul 2014 18:12:50 +0000
parents f11f7cb7c353
children 4d2c0430851a
comparison
equal deleted inserted replaced
497:f11f7cb7c353 498:0be71d13b6e7
71 osx_send_prim(xSignalHeaderRec *prim_ptr, T_ENUM_OS_QUEUE queue_type) 71 osx_send_prim(xSignalHeaderRec *prim_ptr, T_ENUM_OS_QUEUE queue_type)
72 { 72 {
73 int_osx_send_prim(_osx_registry[queue_type].caller, prim_ptr, 73 int_osx_send_prim(_osx_registry[queue_type].caller, prim_ptr,
74 _osx_registry[queue_type].queue_handle); 74 _osx_registry[queue_type].queue_handle);
75 } 75 }
76
77 xSignalHeaderRec *
78 int_osx_receive_prim(int caller, int queue_handle)
79 {
80 T_QMSG Message;
81 unsigned opc, len;
82 xSignalHeaderRec *message;
83 int status;
84
85 TRACE_ASSERT(queue_handle != OSX_ERROR);
86 for (;;) {
87 status = vsi_c_await(caller, queue_handle, &Message,
88 0xFFFFFFFF);
89 TRACE_ASSERT(status == VSI_OK);
90 /*
91 * Disassembly reveals that the original code expects
92 * the received message to be a primitive, rather than
93 * a signal or a timeout. If one of the latter comes
94 * in, the original code would go haywire. Hence the
95 * following TRACE_ASSERT is a FreeCalypso addition.
96 */
97 TRACE_ASSERT(Message.MsgType == MSG_PRIMITIVE);
98 message = (xSignalHeaderRec *) Message.Msg.Primitive.Prim;
99 opc = message->SignalCode & 0xFFFF;
100 if (opc == 11 && osx_config & 2)
101 len = *(unsigned *)(message + 1);
102 else
103 len = sizeof(xSignalHeaderRec);
104 message->SigP = (DummyStruct *)((char *)message + len);
105 if (opc != 0x8000)
106 return(message);
107 vsi_c_primitive(caller, message);
108 }
109 }