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libuv 2016-09-27 (8221f9b3) 

Code extracted from:

    https://github.com/libuv/libuv.git

at commit 8221f9b305c09205be575d8d34a5c493ba03d392 (v1.x).
This commit is contained in:
libuv upstream 2016-09-27 09:36:57 +02:00 committed by Brad King
parent 3a713eaaf7
commit 66ac1febc4
4 changed files with 82 additions and 39 deletions
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17
src/unix/fs.c
View File

@ -346,22 +346,30 @@ done:
}
#if defined(__OpenBSD__) || (defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_8))
static int uv__fs_scandir_filter(uv__dirent_t* dent) {
#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_8)
#define UV_CONST_DIRENT uv__dirent_t
#else
static int uv__fs_scandir_filter(const uv__dirent_t* dent) {
#define UV_CONST_DIRENT const uv__dirent_t
#endif
static int uv__fs_scandir_filter(UV_CONST_DIRENT* dent) {
return strcmp(dent->d_name, ".") != 0 && strcmp(dent->d_name, "..") != 0;
}
static int uv__fs_scandir_sort(UV_CONST_DIRENT** a, UV_CONST_DIRENT** b) {
return strcmp((*a)->d_name, (*b)->d_name);
}
static ssize_t uv__fs_scandir(uv_fs_t* req) {
uv__dirent_t **dents;
int saved_errno;
int n;
dents = NULL;
n = scandir(req->path, &dents, uv__fs_scandir_filter, alphasort);
n = scandir(req->path, &dents, uv__fs_scandir_filter, uv__fs_scandir_sort);
/* NOTE: We will use nbufs as an index field */
req->nbufs = 0;
@ -790,6 +798,7 @@ static void uv__to_stat(struct stat* src, uv_stat_t* dst) {
dst->st_flags = 0;
dst->st_gen = 0;
#elif !defined(_AIX) && ( \
defined(_GNU_SOURCE) || \
defined(_BSD_SOURCE) || \
defined(_SVID_SOURCE) || \
defined(_XOPEN_SOURCE) || \

5
src/win/fs.c
View File

@ -230,6 +230,7 @@ INLINE static void uv_fs_req_init(uv_loop_t* loop, uv_fs_t* req,
req->ptr = NULL;
req->path = NULL;
req->cb = cb;
memset(&req->fs, 0, sizeof(req->fs));
}
@ -1893,9 +1894,13 @@ void uv_fs_req_cleanup(uv_fs_t* req) {
uv__free(req->ptr);
}
if (req->fs.info.bufs != req->fs.info.bufsml)
uv__free(req->fs.info.bufs);
req->path = NULL;
req->file.pathw = NULL;
req->fs.info.new_pathw = NULL;
req->fs.info.bufs = NULL;
req->ptr = NULL;
req->flags |= UV_FS_CLEANEDUP;

70
src/win/tty.c
View File

@ -111,7 +111,11 @@ static int uv_tty_virtual_offset = -1;
static int uv_tty_virtual_height = -1;
static int uv_tty_virtual_width = -1;
static CRITICAL_SECTION uv_tty_output_lock;
/* We use a semaphore rather than a mutex or critical section because in some
cases (uv__cancel_read_console) we need take the lock in the main thread and
release it in another thread. Using a semaphore ensures that in such
scenario the main thread will still block when trying to acquire the lock. */
static uv_sem_t uv_tty_output_lock;
static HANDLE uv_tty_output_handle = INVALID_HANDLE_VALUE;
@ -134,7 +138,8 @@ static uv_vtermstate_t uv__vterm_state = UV_UNCHECKED;
static void uv__determine_vterm_state(HANDLE handle);
void uv_console_init() {
InitializeCriticalSection(&uv_tty_output_lock);
if (uv_sem_init(&uv_tty_output_lock, 1))
abort();
}
@ -172,7 +177,7 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, uv_file fd, int readable) {
/* Obtain the the tty_output_lock because the virtual window state is */
/* shared between all uv_tty_t handles. */
EnterCriticalSection(&uv_tty_output_lock);
uv_sem_wait(&uv_tty_output_lock);
if (uv__vterm_state == UV_UNCHECKED)
uv__determine_vterm_state(handle);
@ -187,7 +192,7 @@ int uv_tty_init(uv_loop_t* loop, uv_tty_t* tty, uv_file fd, int readable) {
uv_tty_update_virtual_window(&screen_buffer_info);
LeaveCriticalSection(&uv_tty_output_lock);
uv_sem_post(&uv_tty_output_lock);
}
@ -315,10 +320,6 @@ int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
return UV_EINVAL;
}
if (!SetConsoleMode(tty->handle, flags)) {
return uv_translate_sys_error(GetLastError());
}
/* If currently reading, stop, and restart reading. */
if (tty->flags & UV_HANDLE_READING) {
was_reading = 1;
@ -332,6 +333,14 @@ int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
was_reading = 0;
}
uv_sem_wait(&uv_tty_output_lock);
if (!SetConsoleMode(tty->handle, flags)) {
err = uv_translate_sys_error(GetLastError());
uv_sem_post(&uv_tty_output_lock);
return err;
}
uv_sem_post(&uv_tty_output_lock);
/* Update flag. */
tty->flags &= ~UV_HANDLE_TTY_RAW;
tty->flags |= mode ? UV_HANDLE_TTY_RAW : 0;
@ -361,9 +370,9 @@ int uv_tty_get_winsize(uv_tty_t* tty, int* width, int* height) {
return uv_translate_sys_error(GetLastError());
}
EnterCriticalSection(&uv_tty_output_lock);
uv_sem_wait(&uv_tty_output_lock);
uv_tty_update_virtual_window(&info);
LeaveCriticalSection(&uv_tty_output_lock);
uv_sem_post(&uv_tty_output_lock);
*width = uv_tty_virtual_width;
*height = uv_tty_virtual_height;
@ -432,6 +441,7 @@ static DWORD CALLBACK uv_tty_line_read_thread(void* data) {
DWORD chars, read_chars;
LONG status;
COORD pos;
BOOL read_console_success;
assert(data);
@ -461,11 +471,13 @@ static DWORD CALLBACK uv_tty_line_read_thread(void* data) {
return 0;
}
if (ReadConsoleW(handle->handle,
read_console_success = ReadConsoleW(handle->handle,
(void*) utf16,
chars,
&read_chars,
NULL)) {
NULL);
if (read_console_success) {
read_bytes = WideCharToMultiByte(CP_UTF8,
0,
utf16,
@ -480,12 +492,14 @@ static DWORD CALLBACK uv_tty_line_read_thread(void* data) {
SET_REQ_ERROR(req, GetLastError());
}
InterlockedExchange(&uv__read_console_status, COMPLETED);
status = InterlockedExchange(&uv__read_console_status, COMPLETED);
/* If we canceled the read by sending a VK_RETURN event, restore the screen
state to undo the visual effect of the VK_RETURN*/
if (InterlockedOr(&uv__restore_screen_state, 0)) {
HANDLE active_screen_buffer = CreateFileA("conout$",
if (status == TRAP_REQUESTED) {
/* If we canceled the read by sending a VK_RETURN event, restore the
screen state to undo the visual effect of the VK_RETURN */
if (read_console_success && InterlockedOr(&uv__restore_screen_state, 0)) {
HANDLE active_screen_buffer;
active_screen_buffer = CreateFileA("conout$",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
@ -496,9 +510,9 @@ static DWORD CALLBACK uv_tty_line_read_thread(void* data) {
pos = uv__saved_screen_state.dwCursorPosition;
/* If the cursor was at the bottom line of the screen buffer, the
VK_RETURN would have caused the buffer contents to scroll up by
one line. The right position to reset the cursor to is therefore one
line higher */
VK_RETURN would have caused the buffer contents to scroll up by one
line. The right position to reset the cursor to is therefore one line
higher */
if (pos.Y == uv__saved_screen_state.dwSize.Y - 1)
pos.Y--;
@ -506,7 +520,8 @@ static DWORD CALLBACK uv_tty_line_read_thread(void* data) {
CloseHandle(active_screen_buffer);
}
}
uv_sem_post(&uv_tty_output_lock);
}
POST_COMPLETION_FOR_REQ(loop, req);
return 0;
}
@ -694,14 +709,14 @@ void uv_process_tty_read_raw_req(uv_loop_t* loop, uv_tty_t* handle,
if (handle->tty.rd.last_input_record.EventType == WINDOW_BUFFER_SIZE_EVENT) {
CONSOLE_SCREEN_BUFFER_INFO info;
EnterCriticalSection(&uv_tty_output_lock);
uv_sem_wait(&uv_tty_output_lock);
if (uv_tty_output_handle != INVALID_HANDLE_VALUE &&
GetConsoleScreenBufferInfo(uv_tty_output_handle, &info)) {
uv_tty_update_virtual_window(&info);
}
LeaveCriticalSection(&uv_tty_output_lock);
uv_sem_post(&uv_tty_output_lock);
continue;
}
@ -1035,11 +1050,16 @@ static int uv__cancel_read_console(uv_tty_t* handle) {
assert(!(handle->flags & UV_HANDLE_CANCELLATION_PENDING));
/* Hold the output lock during the cancellation, to ensure that further
writes don't interfere with the screen state. It will be the ReadConsole
thread's responsibility to release the lock. */
uv_sem_wait(&uv_tty_output_lock);
status = InterlockedExchange(&uv__read_console_status, TRAP_REQUESTED);
if (status != IN_PROGRESS) {
/* Either we have managed to set a trap for the other thread before
ReadConsole is called, or ReadConsole has returned because the user
has pressed ENTER. In either case, there is nothing else to do. */
uv_sem_post(&uv_tty_output_lock);
return 0;
}
@ -1624,7 +1644,7 @@ static int uv_tty_write_bufs(uv_tty_t* handle,
/* state. */
*error = ERROR_SUCCESS;
EnterCriticalSection(&uv_tty_output_lock);
uv_sem_wait(&uv_tty_output_lock);
for (i = 0; i < nbufs; i++) {
uv_buf_t buf = bufs[i];
@ -2061,7 +2081,7 @@ static int uv_tty_write_bufs(uv_tty_t* handle,
handle->tty.wr.previous_eol = previous_eol;
handle->tty.wr.ansi_parser_state = ansi_parser_state;
LeaveCriticalSection(&uv_tty_output_lock);
uv_sem_post(&uv_tty_output_lock);
if (*error == STATUS_SUCCESS) {
return 0;

9
src/win/util.c
View File

@ -1078,6 +1078,7 @@ int uv_getrusage(uv_rusage_t *uv_rusage) {
FILETIME createTime, exitTime, kernelTime, userTime;
SYSTEMTIME kernelSystemTime, userSystemTime;
PROCESS_MEMORY_COUNTERS memCounters;
IO_COUNTERS ioCounters;
int ret;
ret = GetProcessTimes(GetCurrentProcess(), &createTime, &exitTime, &kernelTime, &userTime);
@ -1102,6 +1103,11 @@ int uv_getrusage(uv_rusage_t *uv_rusage) {
return uv_translate_sys_error(GetLastError());
}
ret = GetProcessIoCounters(GetCurrentProcess(), &ioCounters);
if (ret == 0) {
return uv_translate_sys_error(GetLastError());
}
memset(uv_rusage, 0, sizeof(*uv_rusage));
uv_rusage->ru_utime.tv_sec = userSystemTime.wHour * 3600 +
@ -1117,6 +1123,9 @@ int uv_getrusage(uv_rusage_t *uv_rusage) {
uv_rusage->ru_majflt = (uint64_t) memCounters.PageFaultCount;
uv_rusage->ru_maxrss = (uint64_t) memCounters.PeakWorkingSetSize / 1024;
uv_rusage->ru_oublock = (uint64_t) ioCounters.WriteOperationCount;
uv_rusage->ru_inblock = (uint64_t) ioCounters.ReadOperationCount;
return 0;
}