107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
#ifndef _IPC_H
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#define _IPC_H
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/*==========================================================================*
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* Types relating to messages. *
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*==========================================================================*/
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#define M1 1
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#define M3 3
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#define M4 4
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#define M3_STRING 14
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typedef struct {int m1i1, m1i2, m1i3; char *m1p1, *m1p2, *m1p3;} mess_1;
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typedef struct {int m2i1, m2i2, m2i3; long m2l1, m2l2; char *m2p1;} mess_2;
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typedef struct {int m3i1, m3i2; char *m3p1; char m3ca1[M3_STRING];} mess_3;
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typedef struct {long m4l1, m4l2, m4l3, m4l4, m4l5;} mess_4;
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typedef struct {short m5c1, m5c2; int m5i1, m5i2; long m5l1, m5l2, m5l3;}mess_5;
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typedef struct {int m7i1, m7i2, m7i3, m7i4; char *m7p1, *m7p2;} mess_7;
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typedef struct {int m8i1, m8i2; char *m8p1, *m8p2, *m8p3, *m8p4;} mess_8;
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typedef struct {
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int m_source; /* who sent the message */
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int m_type; /* what kind of message is it */
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union {
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mess_1 m_m1;
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mess_2 m_m2;
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mess_3 m_m3;
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mess_4 m_m4;
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mess_5 m_m5;
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mess_7 m_m7;
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mess_8 m_m8;
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} m_u;
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} message;
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/* The following defines provide names for useful members. */
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#define m1_i1 m_u.m_m1.m1i1
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#define m1_i2 m_u.m_m1.m1i2
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#define m1_i3 m_u.m_m1.m1i3
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#define m1_p1 m_u.m_m1.m1p1
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#define m1_p2 m_u.m_m1.m1p2
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#define m1_p3 m_u.m_m1.m1p3
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#define m2_i1 m_u.m_m2.m2i1
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#define m2_i2 m_u.m_m2.m2i2
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#define m2_i3 m_u.m_m2.m2i3
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#define m2_l1 m_u.m_m2.m2l1
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#define m2_l2 m_u.m_m2.m2l2
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#define m2_p1 m_u.m_m2.m2p1
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#define m3_i1 m_u.m_m3.m3i1
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#define m3_i2 m_u.m_m3.m3i2
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#define m3_p1 m_u.m_m3.m3p1
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#define m3_ca1 m_u.m_m3.m3ca1
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#define m4_l1 m_u.m_m4.m4l1
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#define m4_l2 m_u.m_m4.m4l2
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#define m4_l3 m_u.m_m4.m4l3
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#define m4_l4 m_u.m_m4.m4l4
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#define m4_l5 m_u.m_m4.m4l5
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#define m5_c1 m_u.m_m5.m5c1
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#define m5_c2 m_u.m_m5.m5c2
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#define m5_i1 m_u.m_m5.m5i1
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#define m5_i2 m_u.m_m5.m5i2
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#define m5_l1 m_u.m_m5.m5l1
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#define m5_l2 m_u.m_m5.m5l2
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#define m5_l3 m_u.m_m5.m5l3
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#define m7_i1 m_u.m_m7.m7i1
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#define m7_i2 m_u.m_m7.m7i2
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#define m7_i3 m_u.m_m7.m7i3
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#define m7_i4 m_u.m_m7.m7i4
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#define m7_p1 m_u.m_m7.m7p1
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#define m7_p2 m_u.m_m7.m7p2
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#define m8_i1 m_u.m_m8.m8i1
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#define m8_i2 m_u.m_m8.m8i2
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#define m8_p1 m_u.m_m8.m8p1
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#define m8_p2 m_u.m_m8.m8p2
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#define m8_p3 m_u.m_m8.m8p3
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#define m8_p4 m_u.m_m8.m8p4
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/*==========================================================================*
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* Minix run-time system (IPC). *
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*==========================================================================*/
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/* Hide names to avoid name space pollution. */
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#define echo _echo
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#define notify _notify
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#define sendrec _sendrec
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#define receive _receive
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#define send _send
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#define nb_receive _nb_receive
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#define nb_send _nb_send
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_PROTOTYPE( int echo, (message *m_ptr) );
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_PROTOTYPE( int notify, (int dest) );
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_PROTOTYPE( int sendrec, (int src_dest, message *m_ptr) );
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_PROTOTYPE( int receive, (int src, message *m_ptr) );
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_PROTOTYPE( int send, (int dest, message *m_ptr) );
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_PROTOTYPE( int nb_receive, (int src, message *m_ptr) );
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_PROTOTYPE( int nb_send, (int dest, message *m_ptr) );
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#endif /* _IPC_H */
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