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lib: posix: update option group of readdir_r()

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`readdir_r()` belongs to the following option group

POSIX_FILE_SYSTEM_R: Thread-Safe File System

Create a new Kconfig `CONFIG_POSIX_FILE_SYSTEM_R` to compile
it.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
This commit is contained in:
Yong Cong Sin 2024-08-15 14:49:03 +08:00 committed by Anas Nashif
parent eb675eb281
commit 5978e5231e
3 changed files with 12 additions and 2 deletions
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9
lib/posix/options/Kconfig.fs
View file

@ -17,4 +17,13 @@ config POSIX_FILE_SYSTEM_ALIAS_FSTAT
help
Select 'y' here and Zephyr will provide an alias for fstat() as _fstat().
config POSIX_FILE_SYSTEM_R
bool "Thread-Safe File System"
help
Select 'y' here and Zephyr will provide an implementation of the POSIX_FILE_SYSTEM_R
Option Group, consisting of readdir_r().
For more informnation, please see
https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html
endif # POSIX_FILE_SYSTEM

1
lib/posix/options/Kconfig.pthread
View file

@ -156,6 +156,7 @@ config POSIX_THREAD_PRIO_PROTECT
config POSIX_THREAD_SAFE_FUNCTIONS
bool "POSIX thread-safe functions"
select POSIX_FILE_SYSTEM_R if POSIX_FILE_SYSTEM
help
Select 'y' here to enable POSIX thread-safe functions including asctime_r(), ctime_r(),
flockfile(), ftrylockfile(), funlockfile(), getc_unlocked(), getchar_unlocked(),

4
lib/posix/options/fs.c
View file

@ -314,7 +314,7 @@ struct dirent *readdir(DIR *dirp)
return &pdirent;
}
#ifdef CONFIG_POSIX_THREAD_SAFE_FUNCTIONS
#ifdef CONFIG_POSIX_FILE_SYSTEM_R
int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
{
struct dirent *dir;
@ -346,7 +346,7 @@ int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
return 0;
}
#endif /* CONFIG_POSIX_THREAD_SAFE_FUNCTIONS */
#endif /* CONFIG_POSIX_FILE_SYSTEM_R */
/**
* @brief Rename a file.