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

 

                 

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c7/smi_pshm.h File Reference

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Detailed Description

header for above [Sec. 7.14.2]

Definition in file smi_pshm.h.

Go to the source code of this file.

Functions
SMIQ *	smi_open_pshm (const char *name, SMIENTITY entity, size_t msgsize)
bool	smi_close_pshm (SMIQ *sqp)
bool	smi_send_getaddr_pshm (SMIQ *sqp, struct client_id *client, void **addr)
bool	smi_send_release_pshm (SMIQ *sqp)
bool	smi_receive_getaddr_pshm (SMIQ *sqp, void **addr)
bool	smi_receive_release_pshm (SMIQ *sqp)

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Function Documentation

bool smi_close_pshm (  SMIQ *  sqp  )

Definition at line 202 of file smi_pshm.c. References SMIQ_PSHM::client::cl_fd, SMIQ_PSHM::client::cl_mem, SMIQ_PSHM::client::cl_pid, close(), MAX_CLIENTS, MEM_SIZE, mkshm_name_client(), mkshm_name_server(), munmap(), op_semi(), SEMI_DESTROY, SEMI_READ, SEMI_WRITE, SERVER_NAME_MAX, shm_unlink(), SMI_CLIENT, SMI_SERVER, SMIQ_PSHM::sq_clients, SMIQ_PSHM::sq_entity, SMIQ_PSHM::sq_msgsize, SMIQ_PSHM::sq_srv_fd, and SMIQ_PSHM::sq_srv_mem. Referenced by smi_open_pshm().

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

Definition at line 143 of file smi_pshm.c. References SMIQ_PSHM::client::cl_fd, SMIQ_PSHM::client::cl_mem, close(), EC_CLEANUP_BGN, EC_CLEANUP_END, ec_cmp, EC_FAIL, ec_neg1, ec_null, errno, ftruncate(), getpid(), MEM_SIZE, mkshm_name_client(), mkshm_name_server(), mmap(), PERM_FILE, sem_init(), SERVER_NAME_MAX, shm_open(), shm_unlink(), shared_mem::sm_sem_r, shared_mem::sm_sem_w, smi_close_pshm(), SMI_SERVER, SMIQ, SMIQ_PSHM::sq_clients, SMIQ_PSHM::sq_entity, SMIQ_PSHM::sq_msgsize, SMIQ_PSHM::sq_name, SMIQ_PSHM::sq_srv_fd, and SMIQ_PSHM::sq_srv_mem.

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

Definition at line 286 of file smi_pshm.c. References SMIQ_PSHM::client::cl_mem, EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, op_semi(), SEMI_READ, SEMI_WAIT, shared_mem::sm_msg, SMI_SERVER, SMIQ_PSHM::sq_clients, SMIQ_PSHM::sq_entity, and SMIQ_PSHM::sq_srv_mem.

bool smi_receive_release_pshm (  SMIQ *  sqp  )

Definition at line 304 of file smi_pshm.c. References SMIQ_PSHM::client::cl_mem, EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, op_semi(), SEMI_POST, SEMI_WRITE, SMI_SERVER, SMIQ_PSHM::sq_clients, SMIQ_PSHM::sq_entity, and SMIQ_PSHM::sq_srv_mem.

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

Definition at line 241 of file smi_pshm.c. References smi_msg::client_id::c_id1, EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, ec_null, get_client(), getpid(), op_semi(), SEMI_WAIT, SEMI_WRITE, shared_mem::sm_msg, smi_msg::smi_client, SMI_CLIENT, SMI_SERVER, SMIQ_PSHM::sq_client, SMIQ_PSHM::sq_entity, and SMIQ_PSHM::sq_srv_mem.

bool smi_send_release_pshm (  SMIQ *  sqp  )

Definition at line 266 of file smi_pshm.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, ec_null, get_client(), op_semi(), SEMI_POST, SEMI_READ, SMI_SERVER, SMIQ_PSHM::sq_client, SMIQ_PSHM::sq_entity, and SMIQ_PSHM::sq_srv_mem.

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