diff options
| author | Meco Man <[email protected]> | 2021-10-17 17:19:12 -0400 |
|---|---|---|
| committer | Meco Man <[email protected]> | 2021-10-17 17:19:12 -0400 |
| commit | b513d37cf2fc33c2dd20021316533feaac0bef23 (patch) | |
| tree | f14e24d145a40620dbb8fd5a5d807b972ec4a1d5 /components/libc/mmap | |
| parent | 9fe546b0d86b17c64e57447913c8a9f3a9c40534 (diff) | |
[libc][posix] create 'posix' folder and move related files into it
Diffstat (limited to 'components/libc/mmap')
| -rw-r--r-- | components/libc/mmap/SConscript | 13 | ||||
| -rw-r--r-- | components/libc/mmap/posix_mmap.c | 67 |
2 files changed, 0 insertions, 80 deletions
diff --git a/components/libc/mmap/SConscript b/components/libc/mmap/SConscript deleted file mode 100644 index 1a36a15710..0000000000 --- a/components/libc/mmap/SConscript +++ /dev/null @@ -1,13 +0,0 @@ -# RT-Thread building script for component - -from building import * - -cwd = GetCurrentDir() -src = Glob('*.c') + Glob('*.cpp') -CPPPATH = [cwd] - -group = DefineGroup('libc', src, - depend = ['RT_USING_DFS', 'RT_USING_POSIX_MMAP'], - CPPPATH = CPPPATH) - -Return('group') diff --git a/components/libc/mmap/posix_mmap.c b/components/libc/mmap/posix_mmap.c deleted file mode 100644 index e68b82e640..0000000000 --- a/components/libc/mmap/posix_mmap.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (c) 2006-2021, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - * 2017/11/30 Bernard The first version. - */ - -#include <stdint.h> -#include <stdio.h> - -#include <rtthread.h> -#include <dfs_posix.h> - -#include <sys/mman.h> - -void *mmap(void *addr, size_t length, int prot, int flags, - int fd, off_t offset) -{ - uint8_t *mem; - - if (addr) - { - mem = addr; - } - else mem = (uint8_t *)malloc(length); - - if (mem) - { - off_t cur; - size_t read_bytes; - - cur = lseek(fd, 0, SEEK_SET); - - lseek(fd, offset, SEEK_SET); - read_bytes = read(fd, mem, length); - if (read_bytes != length) - { - if (addr == RT_NULL) - { - /* read failed */ - free(mem); - mem = RT_NULL; - } - } - lseek(fd, cur, SEEK_SET); - - return mem; - } - - errno = ENOMEM; - - return MAP_FAILED; -} - -int munmap(void *addr, size_t length) -{ - if (addr) - { - free(addr); - return 0; - } - - return -1; -} |
