X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=sources%2FGapil.h;h=c6cbfea4d91b4294968e2f9a143cbc8caa816f05;hp=00dc3a67f6d62523b23351ca27e6eba807cc82c5;hb=684f52a149bb07baec157b7f203af37444a708a1;hpb=6483a787322c614bc6282a0bf0ee001f1bf54b44 diff --git a/sources/Gapil.h b/sources/Gapil.h index 00dc3a6..c6cbfea 100644 --- a/sources/Gapil.h +++ b/sources/Gapil.h @@ -1,3 +1,21 @@ +/* Gapil.h + * + * Copyright (C) 2002 Simone Piccardi + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ /***************************************************************************** * * File Gapil.h: @@ -5,7 +23,7 @@ * * Author: S. Piccardi * - * $Id: Gapil.h,v 1.1 2002/12/03 11:06:05 piccardi Exp $ + * $Id: Gapil.h,v 1.12 2003/08/16 18:30:21 piccardi Exp $ * *****************************************************************************/ #include /* IPC semaphore declarations */ @@ -15,6 +33,7 @@ #include /* unix standard functions */ #include /* file control (lock) functions */ #include /* signal handling declarations */ +#include /* directory scan functions */ /* * Definition of semun struct; used to implement a MutexXXXX API To * create a Mutex use an underlaying semaphore and init it; we put @@ -45,10 +64,26 @@ inline int MutexRead(int sem_id); inline int MutexLock(int sem_id); /* Function MutexUnlock: to unlock a mutex/semaphore. See Mutex.c */ inline int MutexUnlock(int sem_id); - -/* Function LockFile: create a lock file. See FileLock.c*/ +/* Function MutexRemove: remove the mutex/semphore. See Mutex.c */ +inline int MutexRemove(int sem_id); +/* Function CreateMutex: create a mutex (using file locking). See Mutex.c */ +inline int CreateMutex(const char *path_name); +/* Function UnlockMutex: find a mutex (using file locking). See Mutex.c */ +inline int FindMutex(const char *path_name); +/* Function LockMutex: acquire a mutex (using file locking). See Mutex.c */ +inline int LockMutex(int fd); +/* Function UnlockMutex: release a mutex (using file locking). See Mutex.c */ +inline int UnlockMutex(int fd); +/* Function ReadMutex: read a mutex (using file locking). See Mutex.c */ +inline int ReadMutex(int fd); +/* Function RemoveMutex: remove a mutex (using file locking). See Mutex.c */ +inline int RemoveMutex(const char *path_name); +/* + * Lock files function: to create and destroy lock files + */ +/* Function LockFile: create a lock file. See FileLock.c */ inline int LockFile(const char* path_name); -/* Function UnLockFile: remove a lock file. See FileLock.c*/ +/* Function UnlockFile: remove a lock file. See FileLock.c */ inline int UnlockFile(const char* path_name); /* * Signal Handling Functions @@ -56,12 +91,38 @@ inline int UnlockFile(const char* path_name); typedef void SigFunc(int); /* Function Signal: Initialize a signal handler. See SigHand.c */ SigFunc * Signal(int signo, SigFunc *func); +/* Function SignalRestart: restart system calls. See SigHand.c */ +SigFunc * SignalRestart(int signo, SigFunc *func); /* Function HandSigCHLD: to handle SIGCHILD. See SigHand.c */ void HandSigCHLD(int sig); /* * Socket service functions */ -/* Function SockRead: to read from a socket. See SockRead.c */ -ssize_t SockRead(int fd, void *buf, size_t count); -/* Function SockWrite: to read from a socket. See SockWrite.c */ -ssize_t SockWrite(int fd, const void *buf, size_t count); +/* Function FullRead: to read from a socket. See FullRead.c */ +ssize_t FullRead(int fd, void *buf, size_t count); +/* Function FullWrite: to read from a socket. See FullWrite.c */ +ssize_t FullWrite(int fd, const void *buf, size_t count); +/* + * File miscellaneous + */ +/* Function DirScan: simple scan for a directory. See DirScan.c */ +int DirScan(char * dirname, int(*compute)(struct dirent *)); +/* + * Shared memory handling functions. See SharedMem.c + */ +/* Function ShmCreate: create a SysV shared memory */ +void * ShmCreate(key_t ipc_key, int shm_size, int perm, int fill); +/* Function ShmFind: find an existing SysV shared memory */ +void * ShmFind(key_t ipc_key, int shm_size); +/* Function ShmRemove: remove a SysV shared memory */ +int ShmRemove(key_t ipc_key, void * shm_ptr); +/* Function CreateShm: create a POSIX shared memory */ +void * CreateShm(char * shm_name, off_t shm_size, int perm, int fill); +/* Function FindShm: find an existing POSIX shared memory */ +void * FindShm(char * shm_name, off_t shm_size); +/* Function RemoveShm: remove a POSIX shared memory */ +int RemoveShm(char * shm_name); +/* + * General purpose functions. See corresponding .c + */ +int endian(void);