From a6df500f7daacc08cd7c66f4212cb6ab6cbe803e Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Wed, 19 Nov 2003 18:50:23 +0000 Subject: * cygserver.h (client_request::request_code_t): Add CYGSERVER_REQUEST_MSG and CYGSERVER_REQUEST_SEM. (admininstrator_group_sid): Add extern declaration. * cygserver_ipc.h: Rewrite. * cygserver_msg.h: New file. * cygserver_sem.h: New file. * cygserver_shm.h: More or less rewrite. * cygwin.din: Add msgctl, msgget, msgrcv, msgsnd, semctl, semget and semop. * msg.cc: Rewrite. * safe_memory.h: Remove. * sem.cc: Rewrite. * shm.cc: Rewrite. * include/cygwin/ipc.h: Use appropriate guard. (struct ipc_perm): Add seq. (IPCID_TO_IX): New define from BSD. (IPCID_TO_SEQ): Ditto. (IXSEQ_TO_IPCID): Ditto. (IPC_R): Ditto. (IPC_W): Ditto. (IPC_M): Ditto. * include/cygwin/msg.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (msgqnum_t): Define unsigned. (msglen_t): Ditto. (struct msqid_ds): Add msg_first and msg_last. (struct msginfo): Remove msgpool. Add msgssz and msgseg. * include/cygwin/sem.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (SEM_UNDO): Define appropriately. (struct semid_ds): Add sem_base. (struct seminfo): Add semmap and semusz. (SEM_A): New define from BSD. (SEM_R): Ditto. (SEM_ALLOC): Ditto. (union semun): Define. * include/cygwin/shm.h: Use appropriate guard. #ifdef _KERNEL all stuff not explicitely defined by SUSv3. Use signed types in structs to match types used in BSD. (SHMLBA): Define using cygwin_internal(CW_GET_SHMLBA) call. (struct shmid_ds): Add shm_internal. (struct shm_info): Rename shm_ids to used_ids as in BSD. Add define for shm_ids. * include/cygwin/sysproto.h: New file. * include/cygwin/version.h: Bump API minor number. * include/sys/ipc.h: New file. * include/sys/msg.h: New file. * include/sys/queue.h: New file from BSD. * include/sys/sem.h: New file. * include/sys/shm.h: New file. * include/sys/sysproto.h: New file. --- winsup/cygwin/cygserver_sem.h | 87 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 winsup/cygwin/cygserver_sem.h (limited to 'winsup/cygwin/cygserver_sem.h') diff --git a/winsup/cygwin/cygserver_sem.h b/winsup/cygwin/cygserver_sem.h new file mode 100644 index 000000000..288a05438 --- /dev/null +++ b/winsup/cygwin/cygserver_sem.h @@ -0,0 +1,87 @@ +/* cygserver_sem.h: Single unix specification IPC interface for Cygwin. + + Copyright 2003 Red Hat, Inc. + +This file is part of Cygwin. + +This software is a copyrighted work licensed under the terms of the +Cygwin license. Please consult the file "CYGWIN_LICENSE" for +details. */ + +#ifndef __CYGSERVER_SEM_H__ +#define __CYGSERVER_SEM_H__ + +#include +#include +#ifndef _KERNEL +#define _KERNEL 1 +#endif +#include + +#include "cygserver.h" +#include "cygserver_ipc.h" + +#ifndef __INSIDE_CYGWIN__ +class transport_layer_base; +class process_cache; +#endif + +class client_request_sem : public client_request +{ + friend class client_request; + +public: + enum semop_t + { + SEMOP_semctl, + SEMOP_semget, + SEMOP_semop + }; + +private: + union + { + struct + { + semop_t semop; + proc ipcblk; + union + { + struct semctl_args ctlargs; + struct semget_args getargs; + struct semop_args opargs; + }; + } in; + + union { + int ret; + } out; + } _parameters; + +#ifndef __INSIDE_CYGWIN__ + client_request_sem (); + virtual void serve (transport_layer_base *, process_cache *); +#endif + +public: + +#ifdef __INSIDE_CYGWIN__ + client_request_sem (int, int, int, union semun *); // semctl + client_request_sem (key_t, int, int); // semget + client_request_sem (int, struct sembuf *, size_t); // semop +#endif + + int retval (void) const { return _parameters.out.ret; } +}; + +#ifndef __INSIDE_CYGWIN__ +int seminit (void); +int semunload (void); +void semexit_myhook(void *arg, struct proc *p); + +int semctl (struct thread *, struct semctl_args *); +int semget (struct thread *, struct semget_args *); +int semop (struct thread *, struct semop_args *); +#endif + +#endif /* __CYGSERVER_SEM_H__ */ -- cgit v1.2.3