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Diffstat (limited to 'nsprpub/pr/src/memory/prshm.c')
-rw-r--r-- | nsprpub/pr/src/memory/prshm.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/nsprpub/pr/src/memory/prshm.c b/nsprpub/pr/src/memory/prshm.c new file mode 100644 index 0000000000..7a587cd5d1 --- /dev/null +++ b/nsprpub/pr/src/memory/prshm.c @@ -0,0 +1,128 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* +** prshm.c -- NSPR Named Shared Memory +** +** lth. Jul-1999. +*/ +#include <string.h> +#include "primpl.h" + +extern PRLogModuleInfo *_pr_shm_lm; + + +#if defined PR_HAVE_SYSV_NAMED_SHARED_MEMORY +/* SysV implementation is in pr/src/md/unix/uxshm.c */ +#elif defined PR_HAVE_POSIX_NAMED_SHARED_MEMORY +/* Posix implementation is in pr/src/md/unix/uxshm.c */ +#elif defined PR_HAVE_WIN32_NAMED_SHARED_MEMORY +/* Win32 implementation is in pr/src/md/windows/w32shm.c */ +#else +/* +** there is no named_shared_memory +*/ +extern PRSharedMemory* _MD_OpenSharedMemory( const char *name, PRSize size, PRIntn flags, PRIntn mode ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return NULL; +} + +extern void * _MD_AttachSharedMemory( PRSharedMemory *shm, PRIntn flags ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return NULL; +} + +extern PRStatus _MD_DetachSharedMemory( PRSharedMemory *shm, void *addr ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +} + +extern PRStatus _MD_CloseSharedMemory( PRSharedMemory *shm ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +} + +extern PRStatus _MD_DeleteSharedMemory( const char *name ) +{ + PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0); + return PR_FAILURE; +} +#endif /* HAVE_SYSV_NAMED_SHARED_MEMORY */ + +/* +** FUNCTION: PR_OpenSharedMemory() +** +*/ +PR_IMPLEMENT( PRSharedMemory * ) +PR_OpenSharedMemory( + const char *name, + PRSize size, + PRIntn flags, + PRIntn mode +) +{ + if (!_pr_initialized) { + _PR_ImplicitInitialization(); + } + return( _PR_MD_OPEN_SHARED_MEMORY( name, size, flags, mode )); +} /* end PR_OpenSharedMemory() */ + +/* +** FUNCTION: PR_AttachSharedMemory() +** +*/ +PR_IMPLEMENT( void * ) +PR_AttachSharedMemory( + PRSharedMemory *shm, + PRIntn flags +) +{ + return( _PR_MD_ATTACH_SHARED_MEMORY( shm, flags )); +} /* end PR_AttachSharedMemory() */ + +/* +** FUNCTION: PR_DetachSharedMemory() +** +*/ +PR_IMPLEMENT( PRStatus ) +PR_DetachSharedMemory( + PRSharedMemory *shm, + void *addr +) +{ + return( _PR_MD_DETACH_SHARED_MEMORY( shm, addr )); +} /* end PR_DetachSharedMemory() */ + +/* +** FUNCTION: PR_CloseSharedMemory() +** +*/ +PR_IMPLEMENT( PRStatus ) +PR_CloseSharedMemory( + PRSharedMemory *shm +) +{ + return( _PR_MD_CLOSE_SHARED_MEMORY( shm )); +} /* end PR_CloseSharedMemory() */ + +/* +** FUNCTION: PR_DeleteSharedMemory() +** +*/ +PR_EXTERN( PRStatus ) +PR_DeleteSharedMemory( + const char *name +) +{ + if (!_pr_initialized) { + _PR_ImplicitInitialization(); + } + return(_PR_MD_DELETE_SHARED_MEMORY( name )); +} /* end PR_DestroySharedMemory() */ +/* end prshm.c */ |