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php_uv.c
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php_uv.c
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/*
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Shuhei Tanuma <chobieeee@php.net> |
| Bob Weinand <bobwei9@hotmail.com> |
+----------------------------------------------------------------------+
*/
#pragma GCC diagnostic ignored "-Wmissing-braces"
#include "php_uv.h"
#include "php_main.h"
#include "ext/standard/info.h"
#include "zend_smart_str.h"
#ifndef PHP_UV_DEBUG
#define PHP_UV_DEBUG 0
#endif
#if defined(ZTS) && PHP_VERSION_ID < 80000
#undef TSRMLS_C
#undef TSRMLS_CC
#undef TSRMLS_D
#undef TSRMLS_DC
#define TSRMLS_C tsrm_ls
#define TSRMLS_CC , TSRMLS_C
#define TSRMLS_D void *tsrm_ls
#define TSRMLS_DC , TSRMLS_D
#ifdef COMPILE_DL_UV
ZEND_TSRMLS_CACHE_DEFINE()
#endif
#endif
ZEND_DECLARE_MODULE_GLOBALS(uv);
#ifndef GC_ADDREF
#define GC_ADDREF(ref) ++GC_REFCOUNT(ref)
#endif
#if PHP_VERSION_ID < 70100
#define uv_zend_wrong_parameter_class_error(throw, ...) zend_wrong_paramer_class_error(__VA_ARGS__)
#elif PHP_VERSION_ID < 70200 || PHP_VERSION_ID >= 70300
#define uv_zend_wrong_parameter_class_error(throw, ...) zend_wrong_parameter_class_error(__VA_ARGS__)
#else
#define uv_zend_wrong_parameter_class_error(...) zend_wrong_parameter_class_error(__VA_ARGS__)
#endif
#if PHP_VERSION_ID < 70200
#define UV_PARAM_PROLOGUE Z_PARAM_PROLOGUE(0)
#else
#define UV_PARAM_PROLOGUE Z_PARAM_PROLOGUE(0, 0)
#endif
#if PHP_VERSION_ID < 70400
#define _error_code error_code
#endif
#if PHP_VERSION_ID >= 80000
#define zend_internal_type_error(strict_types, ...) zend_type_error(__VA_ARGS__)
#endif
#define UV_PARAM_OBJ_EX(dest, type, check_null, ce, ...) \
{ \
zval *zv; \
UV_PARAM_PROLOGUE \
if (UNEXPECTED(!uv_parse_arg_object(_arg, &zv, check_null, ce, ##__VA_ARGS__, NULL))) { \
if (!(_flags & ZEND_PARSE_PARAMS_QUIET)) { \
zend_string *names = php_uv_concat_ce_names(ce, ##__VA_ARGS__, NULL); \
uv_zend_wrong_parameter_class_error(_flags & ZEND_PARSE_PARAMS_THROW, _i, ZSTR_VAL(names), _arg); \
zend_string_release(names); \
} \
_error_code = ZPP_ERROR_FAILURE; \
break; \
} \
if (GC_FLAGS(Z_OBJ_P(zv)) & IS_OBJ_DESTRUCTOR_CALLED) { \
if (!(_flags & ZEND_PARSE_PARAMS_QUIET)) { \
php_error_docref(NULL, E_WARNING, "passed %s handle is already closed", ZSTR_VAL(Z_OBJCE_P(_arg)->name)); \
} \
_error_code = ZPP_ERROR_FAILURE; \
break; \
} \
dest = zv == NULL ? NULL : (type *) Z_OBJ_P(zv); \
}
#define UV_PARAM_OBJ(dest, type, ...) UV_PARAM_OBJ_EX(dest, type, 0, ##__VA_ARGS__, NULL)
#define UV_PARAM_OBJ_NULL(dest, type, ...) UV_PARAM_OBJ_EX(dest, type, 1, ##__VA_ARGS__, NULL)
static ZEND_COLD zend_string *php_uv_concat_ce_names(zend_class_entry *ce, zend_class_entry *next, ...) {
va_list va;
smart_str buf = {0};
va_start(va, next);
if (!next) {
return zend_string_copy(ce->name);
}
goto start;
do {
if (next) {
smart_str_appends(&buf, ", ");
} else {
smart_str_appends(&buf, " or ");
}
start:
smart_str_append(&buf, ce->name);
ce = next;
next = (zend_class_entry *) va_arg(va, zend_class_entry *);
} while (next);
va_end(va);
smart_str_0(&buf);
return buf.s;
}
/* gcc complains: sorry, unimplemented: function ‘uv_parse_arg_object’ can never be inlined because it uses variable argument lists */
#ifdef __clang__
static zend_always_inline int uv_parse_arg_object(zval *arg, zval **dest, int check_null, zend_class_entry *ce, ...) {
#else
static int uv_parse_arg_object(zval *arg, zval **dest, int check_null, zend_class_entry *ce, ...) {
#endif
if (EXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) {
va_list va;
zend_class_entry *argce = Z_OBJCE_P(arg);
va_start(va, ce);
do {
if (instanceof_function(argce, ce)) {
*dest = arg;
return 1;
}
ce = (zend_class_entry *) va_arg(va, zend_class_entry *);
} while (ce);
} else if (check_null && EXPECTED(Z_TYPE_P(arg) == IS_NULL)) {
*dest = NULL;
return 1;
}
return 0;
}
#define PHP_UV_DEINIT_UV(uv) \
clean_uv_handle(uv); \
OBJ_RELEASE(&uv->std);
#define PHP_UV_INIT_GENERIC(dest, type, ce) \
do { \
zval zv; \
object_init_ex(&zv, ce); \
dest = (type *) Z_OBJ(zv); \
} while (0)
#define PHP_UV_INIT_UV(uv, ce) PHP_UV_INIT_GENERIC(uv, php_uv_t, ce)
#define PHP_UV_INIT_UV_EX(_uv, ce, cb, ...) \
do { \
int r; \
PHP_UV_INIT_UV(_uv, ce); \
r = cb(&loop->loop, (void *) &_uv->uv.handle, ##__VA_ARGS__); \
if (r) { \
PHP_UV_DEINIT_UV(_uv); \
php_error_docref(NULL, E_WARNING, #cb " failed"); \
RETURN_FALSE; \
} \
} while (0)
#define PHP_UV_INIT_CONNECT(req, uv) \
req = (uv_connect_t *) emalloc(sizeof(uv_connect_t)); \
req->data = uv;
#define PHP_UV_INIT_WRITE_REQ(w, uv, str, strlen, cb) \
w = (write_req_t *) emalloc(sizeof(write_req_t)); \
w->req.data = uv; \
w->buf = uv_buf_init(estrndup(str, strlen), strlen); \
w->cb = cb; \
#define PHP_UV_INIT_SEND_REQ(w, uv, str, strlen) \
w = (send_req_t *) emalloc(sizeof(send_req_t)); \
w->req.data = uv; \
w->buf = uv_buf_init(estrndup(str, strlen), strlen); \
#define PHP_UV_FETCH_UV_DEFAULT_LOOP(loop) \
if (loop == NULL) { \
loop = php_uv_default_loop(); \
} \
#define PHP_UV_INIT_LOCK(lock, lock_type) \
PHP_UV_INIT_GENERIC(lock, php_uv_lock_t, uv_lock_ce); \
lock->type = lock_type;
#define PHP_UV_CHECK_VALID_FD(fd, zstream) \
if (fd < 0) { \
php_error_docref(NULL, E_WARNING, "invalid variable passed. can't convert to fd."); \
PHP_UV_DEINIT_UV(uv); \
RETURN_FALSE; \
} \
if (Z_ISUNDEF(uv->fs_fd)) { \
ZVAL_COPY(&uv->fs_fd, zstream); \
}
#define PHP_UV_ZVAL_TO_VALID_POLL_FD(fd, zstream) \
{ \
fd = php_uv_zval_to_valid_poll_fd(zstream); \
PHP_UV_CHECK_VALID_FD(fd, zstream) \
}
#define PHP_UV_ZVAL_TO_FD(fd, zstream) \
{ \
fd = php_uv_zval_to_fd(zstream); \
PHP_UV_CHECK_VALID_FD(fd, zstream) \
}
#define PHP_UV_FS_ASYNC(loop, func, ...) \
error = uv_fs_##func(&loop->loop, (uv_fs_t*)&uv->uv.fs, __VA_ARGS__, php_uv_fs_cb); \
if (error) { \
PHP_UV_DEINIT_UV(uv); \
php_error_docref(NULL, E_WARNING, "uv_" #func " failed"); \
return; \
}
#define PHP_UV_INIT_ZVALS(uv) \
{ \
int ix = 0;\
for (ix = 0; ix < PHP_UV_CB_MAX; ix++) {\
uv->callback[ix] = NULL;\
} \
ZVAL_UNDEF(&uv->fs_fd); \
ZVAL_UNDEF(&uv->fs_fd_alt); \
}
#if PHP_VERSION_ID < 70300
#define PHP_UV_SKIP_DTOR(uv) do { GC_FLAGS(&uv->std) |= IS_OBJ_DESTRUCTOR_CALLED; } while (0)
#else
#define PHP_UV_SKIP_DTOR(uv) do { GC_ADD_FLAGS(&uv->std, IS_OBJ_DESTRUCTOR_CALLED); } while (0)
#endif
#define PHP_UV_IS_DTORED(uv) (GC_FLAGS(&uv->std) & IS_OBJ_DESTRUCTOR_CALLED)
#define PHP_UV_SOCKADDR_IPV4_INIT(sockaddr) PHP_UV_INIT_GENERIC(sockaddr, php_uv_sockaddr_t, uv_sockaddr_ipv4_ce);
#define PHP_UV_SOCKADDR_IPV6_INIT(sockaddr) PHP_UV_INIT_GENERIC(sockaddr, php_uv_sockaddr_t, uv_sockaddr_ipv6_ce);
#define PHP_UV_SOCKADDR_IS_IPV4(sockaddr) (sockaddr->std.ce == uv_sockaddr_ipv4_ce)
#define PHP_UV_SOCKADDR_IS_IPV6(sockaddr) (sockaddr->std.ce == uv_sockaddr_ipv6_ce)
#define PHP_UV_SOCKADDR_IPV4(sockaddr) sockaddr->addr.ipv4
#define PHP_UV_SOCKADDR_IPV4_P(sockaddr) &sockaddr->addr.ipv4
#define PHP_UV_SOCKADDR_IPV6(sockaddr) sockaddr->addr.ipv6
#define PHP_UV_SOCKADDR_IPV6_P(sockaddr) &sockaddr->addr.ipv6
#define PHP_UV_LOCK_RWLOCK_P(_lock) &_lock->lock.rwlock
#define PHP_UV_LOCK_MUTEX_P(_lock) &_lock->lock.mutex
#define PHP_UV_LOCK_SEM_P(_lock) &_lock->lock.semaphore
#define PHP_UV_FD_TO_ZVAL(zv, fd) { php_stream *_stream = php_stream_fopen_from_fd(fd, "w+", NULL); zval *_z = (zv); php_stream_to_zval(_stream, _z); }
#if PHP_UV_DEBUG>=1
#define PHP_UV_DEBUG_PRINT(format, ...) fprintf(stderr, format, ## __VA_ARGS__)
#else
#define PHP_UV_DEBUG_PRINT(format, ...)
#endif
#if PHP_UV_DEBUG>=1
#define PHP_UV_DEBUG_OBJ_ADD_REFCOUNT(handler, uv) \
{ \
PHP_UV_DEBUG_PRINT("# %s add(%p - %s): %u->%u\n", #handler, uv, ZSTR_VAL(uv->std.ce->name), GC_REFCOUNT(&(uv)->std) - 1, GC_REFCOUNT(&(uv)->std)); \
}
#define PHP_UV_DEBUG_OBJ_DEL_REFCOUNT(handler, uv) \
{ \
PHP_UV_DEBUG_PRINT("# %s del(%p - %s): %u->%u\n", #handler, uv, ZSTR_VAL(uv->std.ce->name), GC_REFCOUNT(&(uv)->std), GC_REFCOUNT(&(uv)->std) - 1); \
}
#else
#define PHP_UV_DEBUG_OBJ_ADD_REFCOUNT(hander, uv)
#define PHP_UV_DEBUG_OBJ_DEL_REFCOUNT(hander, uv)
#endif
#if defined(ZTS) && PHP_VERSION_ID < 80000
#define UV_FETCH_ALL(ls, id, type) ((type) (*((void ***) ls))[TSRM_UNSHUFFLE_RSRC_ID(id)])
#define UV_FETCH_CTX(ls, id, type, element) (((type) (*((void ***) ls))[TSRM_UNSHUFFLE_RSRC_ID(id)])->element)
#define UV_CG(ls, v) UV_FETCH_CTX(ls, compiler_globals_id, zend_compiler_globals*, v)
#define UV_CG_ALL(ls) UV_FETCH_ALL(ls, compiler_globals_id, zend_compiler_globals*)
#define UV_EG(ls, v) UV_FETCH_CTX(ls, executor_globals_id, zend_executor_globals*, v)
#define UV_SG(ls, v) UV_FETCH_CTX(ls, sapi_globals_id, sapi_globals_struct*, v)
#define UV_EG_ALL(ls) UV_FETCH_ALL(ls, executor_globals_id, zend_executor_globals*)
#endif
#if !defined(PHP_WIN32) && !(defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS))
# if PHP_VERSION_ID >= 80000
__attribute__((weak)) zend_class_entry *socket_ce = NULL;
# else
int (*php_sockets_le_socket_ptr)(void) = NULL;
int php_sockets_le_socket(void) __attribute__((weak));
# endif
#endif
/* objects */
extern void php_uv_init(zend_class_entry *uv_ce);
static zend_object_handlers uv_default_handlers;
static zend_class_entry *uv_ce;
static zend_object_handlers uv_handlers;
static zend_class_entry *uv_stream_ce;
static zend_class_entry *uv_tcp_ce;
static zend_class_entry *uv_udp_ce;
static zend_class_entry *uv_pipe_ce;
static zend_class_entry *uv_idle_ce;
static zend_class_entry *uv_timer_ce;
static zend_class_entry *uv_async_ce;
static zend_class_entry *uv_addrinfo_ce;
static zend_class_entry *uv_process_ce;
static zend_class_entry *uv_prepare_ce;
static zend_class_entry *uv_check_ce;
static zend_class_entry *uv_work_ce;
static zend_class_entry *uv_fs_ce;
static zend_class_entry *uv_fs_event_ce;
static zend_class_entry *uv_tty_ce;
static zend_class_entry *uv_fs_poll_ce;
static zend_class_entry *uv_poll_ce;
static zend_class_entry *uv_signal_ce;
static zend_class_entry *uv_loop_ce;
static zend_object_handlers uv_loop_handlers;
static zend_class_entry *uv_sockaddr_ce;
static zend_class_entry *uv_sockaddr_ipv4_ce;
static zend_class_entry *uv_sockaddr_ipv6_ce;
static zend_class_entry *uv_lock_ce;
static zend_object_handlers uv_lock_handlers;
static zend_class_entry *uv_stdio_ce;
static zend_object_handlers uv_stdio_handlers;
typedef struct {
uv_write_t req;
uv_buf_t buf;
php_uv_cb_t *cb;
} write_req_t;
typedef struct {
uv_udp_send_t req;
uv_buf_t buf;
} send_req_t;
enum php_uv_socket_type {
PHP_UV_TCP_IPV4 = 1,
PHP_UV_TCP_IPV6 = 2,
PHP_UV_TCP = 3,
PHP_UV_UDP_IPV4 = 16,
PHP_UV_UDP_IPV6 = 32,
PHP_UV_UDP = 48,
};
/* declarations */
static void php_uv_fs_cb(uv_fs_t* req);
/**
* execute callback
*
* @param zval* retval_ptr non-initialized pointer. this will be allocate from zend_call_function
* @param php_uv_cb_t* callback callable object
* @param zval* params parameters.
* @param int param_count
* @return int (maybe..)
*/
static int php_uv_do_callback(zval *retval_ptr, php_uv_cb_t *callback, zval *params, int param_count TSRMLS_DC);
void static destruct_uv(zend_object *obj);
void static clean_uv_handle(php_uv_t *uv);
static void php_uv_tcp_connect_cb(uv_connect_t *conn_req, int status);
static void php_uv_write_cb(uv_write_t* req, int status);
static void php_uv_listen_cb(uv_stream_t* server, int status);
static void php_uv_shutdown_cb(uv_shutdown_t* req, int status);
static void php_uv_read_cb(uv_stream_t* handle, ssize_t nread,const uv_buf_t* buf);
/* unused: static void php_uv_read2_cb(uv_pipe_t* handle, ssize_t nread, uv_buf_t buf, uv_handle_type pending); */
static void php_uv_read_alloc(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf);
static void php_uv_close(php_uv_t *uv);
static void php_uv_timer_cb(uv_timer_t *handle);
static void php_uv_idle_cb(uv_timer_t *handle);
static void php_uv_signal_cb(uv_signal_t *handle, int sig_num);
static php_uv_loop_t *php_uv_default_loop()
{
if (UV_G(default_loop) == NULL) {
zval zv;
object_init_ex(&zv, uv_loop_ce);
UV_G(default_loop) = (php_uv_loop_t *) Z_OBJ(zv);
}
return UV_G(default_loop);
}
static php_socket_t php_uv_zval_to_valid_poll_fd(zval *ptr)
{
php_socket_t fd = -1;
php_stream *stream;
/* Validate Checks */
#if !defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS))
php_socket *socket;
#endif
/* TODO: is this correct on windows platform? */
if (Z_TYPE_P(ptr) == IS_RESOURCE) {
if ((stream = (php_stream *) zend_fetch_resource_ex(ptr, NULL, php_file_le_stream()))) {
/* make sure only valid resource streams are passed - plainfiles and most php streams are invalid */
if (stream->wrapper && !strcmp((char *)stream->wrapper->wops->label, "PHP") && (!stream->orig_path || (strncmp(stream->orig_path, "php://std", sizeof("php://std") - 1) && strncmp(stream->orig_path, "php://fd", sizeof("php://fd") - 1)))) {
php_error_docref(NULL, E_WARNING, "invalid resource passed, this resource is not supported");
return -1;
}
/* Some streams (specifically STDIO and encrypted streams) can be cast to FDs */
if (php_stream_cast(stream, PHP_STREAM_AS_FD_FOR_SELECT | PHP_STREAM_CAST_INTERNAL, (void*)&fd, 1) == SUCCESS && fd >= 0) {
if (stream->wrapper && !strcmp((char *)stream->wrapper->wops->label, "plainfile")) {
#ifndef PHP_WIN32
struct stat stat;
fstat(fd, &stat);
if (!S_ISFIFO(stat.st_mode))
#endif
{
php_error_docref(NULL, E_WARNING, "invalid resource passed, this plain files are not supported");
return -1;
}
}
return fd;
}
fd = -1;
#if PHP_VERSION_ID < 80000 && (!defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS)))
} else if (php_sockets_le_socket_ptr && (socket = (php_socket *) zend_fetch_resource_ex(ptr, NULL, php_sockets_le_socket_ptr()))) {
fd = socket->bsd_socket;
#endif
} else {
php_error_docref(NULL, E_WARNING, "unhandled resource type detected.");
fd = -1;
}
#if PHP_VERSION_ID >= 80000 && (!defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS)))
} else if (socket_ce && Z_TYPE_P(ptr) == IS_OBJECT && Z_OBJCE_P(ptr) == socket_ce && (socket = (php_socket *) ((char *)(Z_OBJ_P(ptr)) - XtOffsetOf(php_socket, std)))) {
fd = socket->bsd_socket;
#endif
}
return fd;
}
static php_socket_t php_uv_zval_to_fd(zval *ptr)
{
php_socket_t fd = -1;
php_stream *stream;
#if !defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS))
php_socket *socket;
#endif
/* TODO: is this correct on windows platform? */
if (Z_TYPE_P(ptr) == IS_RESOURCE) {
if ((stream = (php_stream *) zend_fetch_resource_ex(ptr, NULL, php_file_le_stream()))) {
if (php_stream_cast(stream, PHP_STREAM_AS_FD | PHP_STREAM_CAST_INTERNAL, (void *) &fd, 1) != SUCCESS || fd < 0) {
fd = -1;
}
#if PHP_VERSION_ID < 80000 && (!defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS)))
} else if (php_sockets_le_socket_ptr && (socket = (php_socket *) zend_fetch_resource_ex(ptr, NULL, php_sockets_le_socket_ptr()))) {
fd = socket->bsd_socket;
#endif
} else {
php_error_docref(NULL, E_WARNING, "unhandled resource type detected.");
fd = -1;
}
} else if (Z_TYPE_P(ptr) == IS_LONG) {
fd = Z_LVAL_P(ptr);
if (fd < 0) {
fd = -1;
}
{
/* make sure that a valid resource handle was passed - issue #36 */
int err = uv_guess_handle((uv_file) fd);
if (err == UV_UNKNOWN_HANDLE) {
php_error_docref(NULL, E_WARNING, "invalid resource type detected");
fd = -1;
}
}
#if PHP_VERSION_ID >= 80000 && (!defined(PHP_WIN32) || (defined(HAVE_SOCKETS) && !defined(COMPILE_DL_SOCKETS)))
} else if (socket_ce && Z_TYPE_P(ptr) == IS_OBJECT && Z_OBJCE_P(ptr) == socket_ce && (socket = (php_socket *) ((char *)(Z_OBJ_P(ptr)) - XtOffsetOf(php_socket, std)))) {
fd = socket->bsd_socket;
#endif
}
return fd;
}
static const char* php_uv_strerror(long error_code)
{
/* Note: uv_strerror doesn't use assert. we don't need check value here */
return uv_strerror(error_code);
}
static php_uv_cb_t* php_uv_cb_init_dynamic(php_uv_t *uv, zend_fcall_info *fci, zend_fcall_info_cache *fcc) {
php_uv_cb_t *cb = emalloc(sizeof(php_uv_cb_t));
memcpy(&cb->fci, fci, sizeof(zend_fcall_info));
memcpy(&cb->fcc, fcc, sizeof(zend_fcall_info_cache));
if (ZEND_FCI_INITIALIZED(*fci)) {
Z_TRY_ADDREF(cb->fci.function_name);
if (fci->object) {
GC_ADDREF(cb->fci.object);
}
}
return cb;
}
static void php_uv_cb_init(php_uv_cb_t **result, php_uv_t *uv, zend_fcall_info *fci, zend_fcall_info_cache *fcc, enum php_uv_callback_type type)
{
php_uv_cb_t *cb;
if (uv->callback[type] == NULL) {
cb = emalloc(sizeof(php_uv_cb_t));
} else {
cb = uv->callback[type];
if (Z_TYPE(cb->fci.function_name) != IS_UNDEF) {
zval_dtor(&cb->fci.function_name);
}
if (fci->object) {
OBJ_RELEASE(fci->object);
}
}
memcpy(&cb->fci, fci, sizeof(zend_fcall_info));
memcpy(&cb->fcc, fcc, sizeof(zend_fcall_info_cache));
if (ZEND_FCI_INITIALIZED(*fci)) {
Z_TRY_ADDREF(cb->fci.function_name);
if (fci->object) {
GC_ADDREF(cb->fci.object);
}
}
uv->callback[type] = cb;
}
static void php_uv_lock_init(enum php_uv_lock_type lock_type, INTERNAL_FUNCTION_PARAMETERS)
{
php_uv_lock_t *lock = NULL;
int error = 0;
switch (lock_type) {
case IS_UV_RWLOCK:
case IS_UV_RWLOCK_WR:
case IS_UV_RWLOCK_RD:
{
PHP_UV_INIT_LOCK(lock, IS_UV_RWLOCK);
error = uv_rwlock_init(PHP_UV_LOCK_RWLOCK_P(lock));
}
break;
case IS_UV_MUTEX:
{
PHP_UV_INIT_LOCK(lock, IS_UV_MUTEX);
error = uv_mutex_init(PHP_UV_LOCK_MUTEX_P(lock));
}
break;
case IS_UV_SEMAPHORE:
{
zend_long val = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS(),
"l", &val) == FAILURE) {
return;
}
PHP_UV_INIT_LOCK(lock, IS_UV_SEMAPHORE);
error = uv_sem_init(PHP_UV_LOCK_SEM_P(lock), (int) val);
}
break;
default:
php_error_docref(NULL, E_ERROR, "unexpected type");
break;
}
if (error == 0) {
RETURN_OBJ(&lock->std);
} else {
OBJ_RELEASE(&lock->std);
RETURN_FALSE;
}
}
static void php_uv_lock_lock(enum php_uv_lock_type lock_type, INTERNAL_FUNCTION_PARAMETERS)
{
php_uv_lock_t *lock;
ZEND_PARSE_PARAMETERS_START(1, 1)
UV_PARAM_OBJ(lock, php_uv_lock_t, uv_lock_ce)
ZEND_PARSE_PARAMETERS_END();
switch (lock_type) {
case IS_UV_RWLOCK:
case IS_UV_RWLOCK_RD:
{
if (lock->locked == 0x01) {
zend_error(E_WARNING, "Cannot acquire a read lock while holding a write lock");
RETURN_FALSE;
}
uv_rwlock_rdlock(PHP_UV_LOCK_RWLOCK_P(lock));
if (!lock->locked++) {
lock->locked = 0x02;
}
}
break;
case IS_UV_RWLOCK_WR:
{
if (lock->locked) {
zend_error(E_WARNING, "Cannot acquire a write lock when already holding a lock");
RETURN_FALSE;
}
uv_rwlock_wrlock(PHP_UV_LOCK_RWLOCK_P(lock));
lock->locked = 0x01;
}
break;
case IS_UV_MUTEX:
{
uv_mutex_lock(PHP_UV_LOCK_MUTEX_P(lock));
lock->locked = 0x01;
}
break;
case IS_UV_SEMAPHORE:
{
uv_sem_post(PHP_UV_LOCK_SEM_P(lock));
}
break;
default:
php_error_docref(NULL, E_ERROR, "unexpected type");
break;
}
}
static void php_uv_lock_unlock(enum php_uv_lock_type lock_type, INTERNAL_FUNCTION_PARAMETERS)
{
php_uv_lock_t *lock;
ZEND_PARSE_PARAMETERS_START(1, 1)
UV_PARAM_OBJ(lock, php_uv_lock_t, uv_lock_ce)
ZEND_PARSE_PARAMETERS_END();
switch (lock_type) {
case IS_UV_RWLOCK:
case IS_UV_RWLOCK_RD:
{
if (lock->locked > 0x01) {
uv_rwlock_rdunlock(PHP_UV_LOCK_RWLOCK_P(lock));
if (--lock->locked == 0x01) {
lock->locked = 0x00;
}
}
}
break;
case IS_UV_RWLOCK_WR:
{
if (lock->locked == 0x01) {
uv_rwlock_wrunlock(PHP_UV_LOCK_RWLOCK_P(lock));
lock->locked = 0x00;
}
}
break;
case IS_UV_MUTEX:
{
if (lock->locked == 0x01) {
uv_mutex_unlock(PHP_UV_LOCK_MUTEX_P(lock));
lock->locked = 0x00;
}
}
break;
case IS_UV_SEMAPHORE:
{
uv_sem_wait(PHP_UV_LOCK_SEM_P(lock));
}
break;
default:
php_error_docref(NULL, E_ERROR, "unexpected type");
break;
}
}
static void php_uv_lock_trylock(enum php_uv_lock_type lock_type, INTERNAL_FUNCTION_PARAMETERS)
{
php_uv_lock_t *lock;
int error = 0;
ZEND_PARSE_PARAMETERS_START(1, 1)
UV_PARAM_OBJ(lock, php_uv_lock_t, uv_lock_ce)
ZEND_PARSE_PARAMETERS_END();
switch(lock_type) {
case IS_UV_RWLOCK:
case IS_UV_RWLOCK_RD:
{
if (lock->locked == 0x01) {
zend_error(E_WARNING, "Cannot acquire a read lock while holding a write lock");
RETURN_FALSE;
}
error = uv_rwlock_tryrdlock(PHP_UV_LOCK_RWLOCK_P(lock));
if (error == 0) {
if (!lock->locked++) {
lock->locked = 0x02;
}
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
break;
case IS_UV_RWLOCK_WR:
{
if (lock->locked) {
zend_error(E_WARNING, "Cannot acquire a write lock when already holding a lock");
RETURN_FALSE;
}
error = uv_rwlock_trywrlock(PHP_UV_LOCK_RWLOCK_P(lock));
if (error == 0) {
lock->locked = 0x01;
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
break;
case IS_UV_MUTEX:
{
error = uv_mutex_trylock(PHP_UV_LOCK_MUTEX_P(lock));
if (error == 0) {
lock->locked = 0x01;
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
break;
case IS_UV_SEMAPHORE:
{
error = uv_sem_trywait(PHP_UV_LOCK_SEM_P(lock));
RETURN_LONG(error);
}
default:
php_error_docref(NULL, E_ERROR, "unexpected type");
break;
}
}
static void php_uv_fs_common(uv_fs_type fs_type, INTERNAL_FUNCTION_PARAMETERS)
{
int error = 0;
php_uv_loop_t *loop;
php_uv_t *uv;
zend_fcall_info fci = empty_fcall_info;
zend_fcall_info_cache fcc = empty_fcall_info_cache;
php_uv_cb_t *cb;
#define PHP_UV_FS_PARSE_PARAMETERS_EX(num, params, required_cb) \
ZEND_PARSE_PARAMETERS_START(1 + num + required_cb, 2 + num) \
UV_PARAM_OBJ(loop, php_uv_loop_t, uv_loop_ce) \
params \
if (!required_cb) { \
Z_PARAM_OPTIONAL \
} \
Z_PARAM_FUNC_EX(fci, fcc, 1, 0) \
ZEND_PARSE_PARAMETERS_END()
#define PHP_UV_FS_PARSE_PARAMETERS(num, params) PHP_UV_FS_PARSE_PARAMETERS_EX(num, params, 0)
#define PHP_UV_FS_SETUP() \
PHP_UV_INIT_UV(uv, uv_fs_ce); \
PHP_UV_FETCH_UV_DEFAULT_LOOP(loop); \
php_uv_cb_init(&cb, uv, &fci, &fcc, PHP_UV_FS_CB);
#define PHP_UV_FS_SETUP_AND_EXECUTE(command, ...) \
PHP_UV_FS_SETUP(); \
PHP_UV_FS_ASYNC(loop, command, __VA_ARGS__);
switch (fs_type) {
case UV_FS_SYMLINK:
{
zend_string *from, *to;
zend_long flags;
PHP_UV_FS_PARSE_PARAMETERS(3, Z_PARAM_STR(from) Z_PARAM_STR(to) Z_PARAM_LONG(flags));
PHP_UV_FS_SETUP_AND_EXECUTE(symlink, from->val, to->val, flags);
break;
}
case UV_FS_LINK:
{
zend_string *from, *to;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_STR(from) Z_PARAM_STR(to));
PHP_UV_FS_SETUP_AND_EXECUTE(link, from->val, to->val);
break;
}
case UV_FS_CHMOD:
{
zend_long mode;
zend_string *path;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_STR(path) Z_PARAM_LONG(mode));
PHP_UV_FS_SETUP_AND_EXECUTE(chmod, path->val, mode);
break;
}
case UV_FS_FCHMOD:
{
zval *zstream;
zend_long mode;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_RESOURCE(zstream) Z_PARAM_LONG(mode));
PHP_UV_FS_SETUP();
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, fchmod, fd, mode);
break;
}
case UV_FS_RENAME:
{
zend_string *from, *to;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_STR(from) Z_PARAM_STR(to));
PHP_UV_FS_SETUP_AND_EXECUTE(rename, from->val, to->val);
break;
}
case UV_FS_UNLINK:
{
zend_string *path;
PHP_UV_FS_PARSE_PARAMETERS(1, Z_PARAM_STR(path));
PHP_UV_FS_SETUP_AND_EXECUTE(unlink, path->val);
break;
}
case UV_FS_RMDIR:
{
zend_string *path;
PHP_UV_FS_PARSE_PARAMETERS(1, Z_PARAM_STR(path));
PHP_UV_FS_SETUP_AND_EXECUTE(rmdir, path->val);
break;
}
case UV_FS_MKDIR:
{
zend_string *path;
zend_long mode;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_STR(path) Z_PARAM_LONG(mode));
PHP_UV_FS_SETUP_AND_EXECUTE(mkdir, path->val, mode);
break;
}
case UV_FS_FTRUNCATE:
{
zval *zstream = NULL;
zend_long offset = 0;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(2, Z_PARAM_RESOURCE(zstream) Z_PARAM_LONG(offset));
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, ftruncate, fd, offset);
break;
}
case UV_FS_FDATASYNC:
{
zval *zstream = NULL;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(1, Z_PARAM_RESOURCE(zstream));
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, fdatasync, fd);
break;
}
case UV_FS_FSYNC:
{
zval *zstream = NULL;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(1, Z_PARAM_RESOURCE(zstream));
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, fsync, fd);
break;
}
case UV_FS_CLOSE:
{
zval *zstream = NULL;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(1, Z_PARAM_RESOURCE(zstream));
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, close, fd);
break;
}
case UV_FS_CHOWN:
{
zend_long uid, gid;
zend_string *path;
PHP_UV_FS_PARSE_PARAMETERS(3, Z_PARAM_STR(path) Z_PARAM_LONG(uid) Z_PARAM_LONG(gid));
PHP_UV_FS_SETUP_AND_EXECUTE(chown, path->val, uid, gid);
break;
}
case UV_FS_FCHOWN:
{
zval *zstream = NULL;
zend_long uid, gid;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS(3, Z_PARAM_RESOURCE(zstream) Z_PARAM_LONG(uid) Z_PARAM_LONG(gid));
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, fchown, fd, uid, gid);
break;
}
case UV_FS_OPEN:
{
zend_string *path;
zend_long flag, mode;
PHP_UV_FS_PARSE_PARAMETERS_EX(3, Z_PARAM_STR(path) Z_PARAM_LONG(flag) Z_PARAM_LONG(mode), 1);
PHP_UV_FS_SETUP_AND_EXECUTE(open, path->val, flag, mode);
break;
}
case UV_FS_SCANDIR:
{
zend_string *path;
zend_long flags = 0;
ZEND_PARSE_PARAMETERS_START(3, 4)
UV_PARAM_OBJ(loop, php_uv_loop_t, uv_loop_ce)
Z_PARAM_STR(path)
Z_PARAM_FUNC_EX(fci, fcc, 1, 0)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(flags)
ZEND_PARSE_PARAMETERS_END();
PHP_UV_FS_SETUP_AND_EXECUTE(scandir, path->val, flags);
break;
}
case UV_FS_LSTAT:
{
zend_string *path;
PHP_UV_FS_PARSE_PARAMETERS_EX(1, Z_PARAM_STR(path), 1);
PHP_UV_FS_SETUP_AND_EXECUTE(lstat, path->val);
break;
}
case UV_FS_FSTAT:
{
zval *zstream = NULL;
unsigned long fd;
PHP_UV_FS_PARSE_PARAMETERS_EX(1, Z_PARAM_RESOURCE(zstream), 1);
PHP_UV_FS_SETUP()
PHP_UV_ZVAL_TO_FD(fd, zstream);
uv->fs_fd = *zstream;
Z_ADDREF(uv->fs_fd);
PHP_UV_FS_ASYNC(loop, fstat, fd);