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fs/munmap: export the symbols to avoid build break on C++ syntax

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base/metrics/persistent_memory_allocator.cc:1009:18: error: expected id-expression before ‘-’ token
 1009 |   int result = ::munmap(memory, size);
      |                  ^~~~~~

Change-Id: I24e55c18d09553d3acc341a27063d01489d905ec
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2020-09-17 15:26:35 +08:00 committed by Xiang Xiao
parent b8fa1e51d8
commit 9241725312
3 changed files with 12 additions and 13 deletions
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4
fs/mmap/Make.defs
View File

@ -33,10 +33,10 @@
#
############################################################################
CSRCS += fs_mmap.c
CSRCS += fs_mmap.c fs_munmap.c
ifeq ($(CONFIG_FS_RAMMAP),y)
CSRCS += fs_munmap.c fs_rammap.c
CSRCS += fs_rammap.c
endif
# Include MMAP build support

14
fs/mmap/fs_munmap.c
View File

@ -52,8 +52,6 @@
#include "inode/inode.h"
#include "fs_rammap.h"
#ifdef CONFIG_FS_RAMMAP
/****************************************************************************
* Public Functions
****************************************************************************/
@ -110,6 +108,7 @@
int munmap(FAR void *start, size_t length)
{
#ifdef CONFIG_FS_RAMMAP
FAR struct fs_rammap_s *prev;
FAR struct fs_rammap_s *curr;
FAR void *newaddr;
@ -129,7 +128,8 @@ int munmap(FAR void *start, size_t length)
/* Search the list of regions */
for (prev = NULL, curr = g_rammaps.head; curr; prev = curr, curr = curr->flink)
for (prev = NULL, curr = g_rammaps.head; curr;
prev = curr, curr = curr->flink)
{
/* Does this region include any part of the specified range? */
@ -196,7 +196,8 @@ int munmap(FAR void *start, size_t length)
else
{
newaddr = kumm_realloc(curr->addr, sizeof(struct fs_rammap_s) + length);
newaddr = kumm_realloc(curr->addr,
sizeof(struct fs_rammap_s) + length);
DEBUGASSERT(newaddr == (FAR void *)(curr->addr));
UNUSED(newaddr); /* May not be used */
curr->length = length;
@ -211,6 +212,7 @@ errout_with_semaphore:
errout:
set_errno(errcode);
return ERROR;
}
#else
return OK;
#endif /* CONFIG_FS_RAMMAP */
}

7
include/sys/mman.h
View File

@ -174,16 +174,13 @@ int msync(FAR void *addr, size_t len, int flags);
int munlock(FAR const void *addr, size_t len);
int munlockall(void);
#ifdef CONFIG_FS_RAMMAP
int munmap(FAR void *start, size_t length);
#else
# define munmap(start, length)
#endif
int posix_madvise(FAR void *addr, size_t len, int advice);
int posix_mem_offset(FAR const void *addr, size_t len, FAR off_t *off,
FAR size_t *contig_len, FAR int *fildes);
int posix_typed_mem_get_info(int fildes, FAR struct posix_typed_mem_info *info);
int posix_typed_mem_get_info(int fildes,
FAR struct posix_typed_mem_info *info);
int posix_typed_mem_open(FAR const char *name, int oflag, int tflag);
int shm_open(FAR const char *name, int oflag, mode_t mode);
int shm_unlink(FAR const char *name);