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extmod/vfs_posix: Release GIL during system calls.

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This releases the GIL during syscalls that could block.
This commit is contained in:
David Lechner
2020-01-23 21:50:53 -06:00
committed by Damien George
parent fee7e5617f
commit 35f66d38b8
2 changed files with 33 additions and 3 deletions
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20
extmod/vfs_posix.c
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@@ -26,6 +26,7 @@
#include "py/runtime.h"
#include "py/mperrno.h"
#include "py/mpthread.h"
#include "extmod/vfs.h"
#include "extmod/vfs_posix.h"
@@ -170,12 +171,15 @@ STATIC mp_obj_t vfs_posix_ilistdir_it_iternext(mp_obj_t self_in) {
}
for (;;) {
MP_THREAD_GIL_EXIT();
struct dirent *dirent = readdir(self->dir);
if (dirent == NULL) {
closedir(self->dir);
MP_THREAD_GIL_ENTER();
self->dir = NULL;
return MP_OBJ_STOP_ITERATION;
}
MP_THREAD_GIL_ENTER();
const char *fn = dirent->d_name;
if (fn[0] == '.' && (fn[1] == 0 || fn[1] == '.')) {
@@ -229,7 +233,9 @@ STATIC mp_obj_t vfs_posix_ilistdir(mp_obj_t self_in, mp_obj_t path_in) {
if (path[0] == '\0') {
path = ".";
}
MP_THREAD_GIL_EXIT();
iter->dir = opendir(path);
MP_THREAD_GIL_ENTER();
if (iter->dir == NULL) {
mp_raise_OSError(errno);
}
@@ -245,7 +251,10 @@ typedef struct _mp_obj_listdir_t {
STATIC mp_obj_t vfs_posix_mkdir(mp_obj_t self_in, mp_obj_t path_in) {
mp_obj_vfs_posix_t *self = MP_OBJ_TO_PTR(self_in);
int ret = mkdir(vfs_posix_get_path_str(self, path_in), 0777);
const char *path = vfs_posix_get_path_str(self, path_in);
MP_THREAD_GIL_EXIT();
int ret = mkdir(path, 0777);
MP_THREAD_GIL_ENTER();
if (ret != 0) {
mp_raise_OSError(errno);
}
@@ -262,7 +271,9 @@ STATIC mp_obj_t vfs_posix_rename(mp_obj_t self_in, mp_obj_t old_path_in, mp_obj_
mp_obj_vfs_posix_t *self = MP_OBJ_TO_PTR(self_in);
const char *old_path = vfs_posix_get_path_str(self, old_path_in);
const char *new_path = vfs_posix_get_path_str(self, new_path_in);
MP_THREAD_GIL_EXIT();
int ret = rename(old_path, new_path);
MP_THREAD_GIL_ENTER();
if (ret != 0) {
mp_raise_OSError(errno);
}
@@ -278,7 +289,10 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(vfs_posix_rmdir_obj, vfs_posix_rmdir);
STATIC mp_obj_t vfs_posix_stat(mp_obj_t self_in, mp_obj_t path_in) {
mp_obj_vfs_posix_t *self = MP_OBJ_TO_PTR(self_in);
struct stat sb;
int ret = stat(vfs_posix_get_path_str(self, path_in), &sb);
const char *path = vfs_posix_get_path_str(self, path_in);
MP_THREAD_GIL_EXIT();
int ret = stat(path, &sb);
MP_THREAD_GIL_ENTER();
if (ret != 0) {
mp_raise_OSError(errno);
}
@@ -321,7 +335,9 @@ STATIC mp_obj_t vfs_posix_statvfs(mp_obj_t self_in, mp_obj_t path_in) {
mp_obj_vfs_posix_t *self = MP_OBJ_TO_PTR(self_in);
STRUCT_STATVFS sb;
const char *path = vfs_posix_get_path_str(self, path_in);
MP_THREAD_GIL_EXIT();
int ret = STATVFS(path, &sb);
MP_THREAD_GIL_ENTER();
if (ret != 0) {
mp_raise_OSError(errno);
}