©2004 by Marc J. Rochkind. All rights reserved. Portions marked "Open Source" may be copied under license.

 

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c7/smi_shm.h File Reference

Detailed Description

header for above [Sec. 7.13.3]

Definition in file smi_shm.h.

Go to the source code of this file.

Functions

SMIQ * smi_open_shm (const char *name, SMIENTITY entity, size_t msgsize)
bool smi_close_shm (SMIQ *sqp)
bool smi_send_getaddr_shm (SMIQ *sqp, struct client_id *client, void **addr)
bool smi_send_release_shm (SMIQ *sqp)
bool smi_receive_getaddr_shm (SMIQ *sqp, void **addr)
bool smi_receive_release_shm (SMIQ *sqp)

Variables

bool smi_client_nowait

Function Documentation

bool smi_close_shm (  SMIQ *  sqp  ) 
 

Definition at line 228 of file smi_shm.c.

References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, getaddr(), mkshm_name_server(), SMIQ_SHM::msg_client, SMIQ_SHM::msg_server, semctl(), shmctl(), shmdt(), SMI_SERVER, SMIQ_SHM::sq_entity, SMIQ_SHM::sq_semid_client, SMIQ_SHM::sq_semid_server, SMIQ_SHM::sq_shmid_client, SMIQ_SHM::sq_shmid_server, and unlink().

SMIQ* smi_open_shm (  const char *  name,
SMIENTITY  entity,
size_t  msgsize
) 
 

Definition at line 154 of file smi_shm.c.

References semun::buf, close(), EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, ec_null, errno, ftok(), init_semi(), mkshm_name_server(), SMIQ_SHM::msg_client, SMIQ_SHM::msg_server, open(), PERM_FILE, semid_ds::sem_otime, semctl(), semget(), SEMI_WRITE, SERVER_NAME_MAX, shmat(), shmctl(), shmget(), sleep(), smi_client_nowait, SMI_SERVER, SMIQ, SMIQ_SHM::sq_entity, SMIQ_SHM::sq_name, SMIQ_SHM::sq_semid_client, SMIQ_SHM::sq_semid_server, SMIQ_SHM::sq_shmid_client, and SMIQ_SHM::sq_shmid_server.

bool smi_receive_getaddr_shm (  SMIQ *  sqp,
void **  addr
) 
 

Definition at line 317 of file smi_shm.c.

References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, SMIQ_SHM::msg_client, SMIQ_SHM::msg_server, op_semi(), SEMI_READ, SEMI_WAIT, SMI_SERVER, SMIQ_SHM::sq_entity, SMIQ_SHM::sq_semid_client, and SMIQ_SHM::sq_semid_server.

bool smi_receive_release_shm (  SMIQ *  sqp  ) 
 

Definition at line 338 of file smi_shm.c.

References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, op_semi(), SEMI_POST, SEMI_WRITE, SMI_SERVER, SMIQ_SHM::sq_entity, SMIQ_SHM::sq_semid_client, and SMIQ_SHM::sq_semid_server.

bool smi_send_getaddr_shm (  SMIQ *  sqp,
struct client_id *  client,
void **  addr
) 
 

Definition at line 274 of file smi_shm.c.

References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, ec_null, getaddr(), SMIQ_SHM::msg_server, op_semi(), SEMI_WAIT, SEMI_WRITE, SMI_SERVER, SMIQ_SHM::sq_client, SMIQ_SHM::sq_entity, SMIQ_SHM::sq_semid_client, SMIQ_SHM::sq_semid_server, and SMIQ_SHM::sq_shmid_client.

bool smi_send_release_shm (  SMIQ *  sqp  ) 
 

Definition at line 300 of file smi_shm.c.

References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, op_semi(), SEMI_POST, SEMI_READ, SMI_SERVER, SMIQ_SHM::sq_client, SMIQ_SHM::sq_entity, and SMIQ_SHM::sq_semid_server.

Variable Documentation

bool smi_client_nowait
 

Definition at line 6 of file smi_shm.h.

Referenced by main(), and smi_open_shm().

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