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feat(lua): add proper support of luv threads

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This commit is contained in:
erw7
2021-09-11 11:48:58 +09:00
committed by bfredl
parent d0f8f76224
commit b87867e69e
13 changed files with 989 additions and 193 deletions
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31
src/nvim/os/fs.c
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@@ -40,8 +40,10 @@
bool did_try_to_free = false; \
uv_call_start: {} \
uv_fs_t req; \
fs_loop_lock(); \
ret = func(&fs_loop, &req, __VA_ARGS__); \
uv_fs_req_cleanup(&req); \
fs_loop_unlock(); \
if (ret == UV_ENOMEM && !did_try_to_free) { \
try_to_free_memory(); \
did_try_to_free = true; \
@@ -52,12 +54,24 @@ uv_call_start: {} \
// Many fs functions from libuv return that value on success.
static const int kLibuvSuccess = 0;
static uv_loop_t fs_loop;
static uv_mutex_t fs_loop_mutex;
// Initialize the fs module
void fs_init(void)
{
uv_loop_init(&fs_loop);
uv_mutex_init_recursive(&fs_loop_mutex);
}
void fs_loop_lock(void)
{
uv_mutex_lock(&fs_loop_mutex);
}
void fs_loop_unlock(void)
{
uv_mutex_unlock(&fs_loop_mutex);
}
@@ -98,9 +112,12 @@ bool os_isrealdir(const char *name)
FUNC_ATTR_NONNULL_ALL
{
uv_fs_t request;
fs_loop_lock();
if (uv_fs_lstat(&fs_loop, &request, name, NULL) != kLibuvSuccess) {
fs_loop_unlock();
return false;
}
fs_loop_unlock();
if (S_ISLNK(request.statbuf.st_mode)) {
return false;
} else {
@@ -738,7 +755,9 @@ static int os_stat(const char *name, uv_stat_t *statbuf)
return UV_EINVAL;
}
uv_fs_t request;
fs_loop_lock();
int result = uv_fs_stat(&fs_loop, &request, name, NULL);
fs_loop_unlock();
if (result == kLibuvSuccess) {
*statbuf = request.statbuf;
}
@@ -935,9 +954,11 @@ int os_mkdtemp(const char *template, char *path)
FUNC_ATTR_NONNULL_ALL
{
uv_fs_t request;
fs_loop_lock();
int result = uv_fs_mkdtemp(&fs_loop, &request, template, NULL);
fs_loop_unlock();
if (result == kLibuvSuccess) {
STRNCPY(path, request.path, TEMP_FILE_PATH_MAXLEN);
xstrlcpy(path, request.path, TEMP_FILE_PATH_MAXLEN);
}
uv_fs_req_cleanup(&request);
return result;
@@ -962,7 +983,9 @@ int os_rmdir(const char *path)
bool os_scandir(Directory *dir, const char *path)
FUNC_ATTR_NONNULL_ALL
{
fs_loop_lock();
int r = uv_fs_scandir(&fs_loop, &dir->request, path, 0, NULL);
fs_loop_unlock();
if (r < 0) {
os_closedir(dir);
}
@@ -1023,7 +1046,9 @@ bool os_fileinfo_link(const char *path, FileInfo *file_info)
return false;
}
uv_fs_t request;
fs_loop_lock();
bool ok = uv_fs_lstat(&fs_loop, &request, path, NULL) == kLibuvSuccess;
fs_loop_unlock();
if (ok) {
file_info->stat = request.statbuf;
}
@@ -1041,6 +1066,7 @@ bool os_fileinfo_fd(int file_descriptor, FileInfo *file_info)
{
uv_fs_t request;
memset(file_info, 0, sizeof(*file_info));
fs_loop_lock();
bool ok = uv_fs_fstat(&fs_loop,
&request,
file_descriptor,
@@ -1049,6 +1075,7 @@ bool os_fileinfo_fd(int file_descriptor, FileInfo *file_info)
file_info->stat = request.statbuf;
}
uv_fs_req_cleanup(&request);
fs_loop_unlock();
return ok;
}
@@ -1165,6 +1192,7 @@ char *os_realpath(const char *name, char *buf)
FUNC_ATTR_NONNULL_ARG(1)
{
uv_fs_t request;
fs_loop_lock();
int result = uv_fs_realpath(&fs_loop, &request, name, NULL);
if (result == kLibuvSuccess) {
if (buf == NULL) {
@@ -1173,6 +1201,7 @@ char *os_realpath(const char *name, char *buf)
xstrlcpy(buf, request.ptr, MAXPATHL + 1);
}
uv_fs_req_cleanup(&request);
fs_loop_unlock();
return result == kLibuvSuccess ? buf : NULL;
}