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extmod/moduos: Move os.sync() into extmod/moduos.c. 

Avoiding code duplication.  To enable it, set MICROPY_PY_UOS_SYNC in the
port's mpconfigport.h.  It is operational only for FAT file system.  For
other filesystems it's a no-op.

Signed-off-by: robert-hh <robert@hammelrath.com>
This commit is contained in:
robert-hh 2023-05-30 21:44:36 +02:00 committed by Damien George
parent b85611dae8
commit 5a991b4290
1 changed files with 19 additions and 0 deletions
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19
extmod/moduos.c
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@ -34,6 +34,10 @@
#if MICROPY_VFS_FAT
#include "extmod/vfs_fat.h"
#if MICROPY_PY_UOS_SYNC
#include "lib/oofatfs/ff.h"
#include "lib/oofatfs/diskio.h"
#endif
#endif
#if MICROPY_VFS_LFS1 || MICROPY_VFS_LFS2
@ -58,6 +62,21 @@
#define MICROPY_BUILD_TYPE_PAREN
#endif
#if MICROPY_PY_UOS_SYNC
// sync()
// Sync all filesystems.
STATIC mp_obj_t mp_uos_sync(void) {
#if MICROPY_VFS_FAT
for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
// this assumes that vfs->obj is fs_user_mount_t with block device functions
disk_ioctl(MP_OBJ_TO_PTR(vfs->obj), CTRL_SYNC, NULL);
}
#endif
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_0(mp_uos_sync_obj, mp_uos_sync);
#endif
#if MICROPY_PY_UOS_UNAME
#if MICROPY_PY_UOS_UNAME_RELEASE_DYNAMIC