diff options
Diffstat (limited to 'apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/shmem.h')
-rw-r--r-- | apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/shmem.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/shmem.h b/apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/shmem.h deleted file mode 100644 index ec536cf4d9c..00000000000 --- a/apps/JAWS/clients/WebSTONE/src/nsapi-includes/base/shmem.h +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (c) 1994, 1995. Netscape Communications Corporation. All - * rights reserved. - * - * Use of this software is governed by the terms of the license agreement for - * the Netscape Communications or Netscape Comemrce Server between the - * parties. - */ - - -/* ------------------------------------------------------------------------ */ - - -/* - * shmem.h: Portable abstraction for memory shared among a server's workers - * - * Rob McCool - */ - - -#ifndef _SHMEM_H -#define _SHMEM_H - -#include "netsite.h" -#include "systems.h" - - -/* --------------------------- Data structures ---------------------------- */ - - -#if defined (SHMEM_UNIX_MMAP) || defined (SHMEM_WIN32_MMAP) -#include "file.h" /* SYS_FILE */ - -typedef struct { - void *data; /* the data */ -#ifdef SHMEM_WIN32_MMAP - HANDLE fdmap; -#endif /* SHMEM_WIN32_MMAP */ - int size; /* the maximum length of the data */ - - char *name; /* internal use: filename to unlink if exposed */ - SYS_FILE fd; /* internal use: file descriptor for region */ -} shmem_s; - - -/* ------------------------------ Prototypes ------------------------------ */ - - -/* - * shmem_alloc allocates a region of shared memory of the given size, using - * the given name to avoid conflicts between multiple regions within the - * program. The region will not be automatically grown if its boundaries - * are over-run, use shmem_realloc for that. - * - * If expose is non-zero and the underlying system supports it, the - * file used to create the shared region will be visible to other processes - * running on the system. - * - * name should be unique to the program which calls this routine, otherwise - * conflicts will arise. - * - * Returns a new shared memory region, with the data element being a - * pointer to the shared memory. This function must be called before any - * daemon workers are spawned, in order for the handle to the shared region - * to be inherited by the children. - * - * Because of the requirement that the region must be inherited by the - * children, the region cannot be re-allocated with a larger size when - * necessary. - */ -shmem_s *shmem_alloc(char *name, int size, int expose); - - -/* - * shmem_free de-allocates the specified region of shared memory. - */ -void shmem_free(shmem_s *region); - -#endif /* SHMEM_UNIX_MMAP || SHMEM_WIN32_MMAP */ - - -#endif |