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build: install ev-emul.h

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1 parent 1df222f commit f405517de1273bdf8493bc8a1e1294ded026c93a @bnoordhuis bnoordhuis committed Jun 18, 2012
Showing with 257 additions and 1 deletion.
  1. +251 −0 src/ev-emul.h
  2. +5 −0 src/node.h
  3. +1 −1 tools/installer.js
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251 src/ev-emul.h
@@ -0,0 +1,251 @@
+/* Copyright Joyent, Inc. and other Node contributors.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to permit
+ * persons to whom the Software is furnished to do so, subject to the
+ * following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+ * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef NODE_EV_EMUL_H_
+#define NODE_EV_EMUL_H_
+
+#include "uv.h"
+
+#include <stdio.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#undef ev_init
+#undef ev_set_cb
+#undef ev_set_priority
+#undef ev_is_active
+#undef ev_timer_init
+#undef ev_timer_set
+#undef ev_io_init
+#undef ev_io_set
+
+#undef EV_P
+#undef EV_P_
+#undef EV_A
+#undef EV_A_
+#undef EV_DEFAULT
+#undef EV_DEFAULT_
+#undef EV_DEFAULT_UC
+#undef EV_DEFAULT_UC_
+
+#define EV_P void
+#define EV_P_
+#define EV_A
+#define EV_A_
+#define EV_DEFAULT
+#define EV_DEFAULT_
+#define EV_DEFAULT_UC
+#define EV_DEFAULT_UC_
+
+#define ev_init(w, cb_) \
+ do { \
+ void* data = (w)->data; \
+ memset((w), 0, sizeof(*(w))); \
+ (w)->data = data; \
+ (w)->cb = (cb_); \
+ } \
+ while (0)
+
+#define ev_set_cb(w, cb_) \
+ do \
+ (w)->cb = (cb_); \
+ while (0)
+
+#define ev_set_priority(...)
+
+#define ev_is_active(w) \
+ (uv_is_active((uv_handle_t*) &(w)->handle))
+
+#define ev_now(...) \
+ (uv_hrtime() / 1e9)
+
+#define __uv_container_of(ptr, type, field) \
+ ((type*) ((char*) (ptr) - offsetof(type, field)))
+
+#define __uv_warn_of(old_, new_) \
+ do { \
+ if (__uv_warn_##old_) break; \
+ __uv_warn_##old_ = 1; \
+ fputs("WARNING: " #old_ " is deprecated, use " #new_ "\n", stderr); \
+ } \
+ while (0)
+
+static int __uv_warn_ev_io __attribute__((unused));
+static int __uv_warn_ev_timer __attribute__((unused));
+static int __uv_warn_ev_ref __attribute__((unused));
+static int __uv_warn_ev_unref __attribute__((unused));
+
+struct __ev_io;
+typedef struct __ev_io __ev_io;
+typedef void (*__ev_io_cb)(__ev_io*, int);
+
+struct __ev_timer;
+typedef struct __ev_timer __ev_timer;
+typedef void (*__ev_timer_cb)(__ev_timer*, int);
+
+/* Field order matters. Don't touch. */
+struct __ev_io {
+ __ev_io_cb cb;
+ void* data;
+ int flags; /* bit 1 == initialized, yes or no? */
+ uv_poll_t handle;
+ int fd;
+ int events;
+};
+
+/* Field order matters. Don't touch. */
+struct __ev_timer {
+ __ev_timer_cb cb;
+ void* data;
+ int flags;
+ uv_timer_t handle;
+ double delay;
+ double repeat;
+};
+
+
+inline static void __uv_poll_cb(uv_poll_t* handle, int status, int events) {
+ __ev_io* w = __uv_container_of(handle, __ev_io, handle);
+ w->cb(w, events);
+ (void) status;
+}
+
+
+inline static void __uv_timer_cb(uv_timer_t* handle, int status) {
+ __ev_timer* w = __uv_container_of(handle, __ev_timer, handle);
+ w->cb(w, 0);
+ (void) status;
+}
+
+
+inline static void __ev_io_init(__ev_io* w, __ev_io_cb cb, int fd, int events) {
+ __uv_warn_of(ev_io, uv_poll_t);
+ ev_init(w, cb);
+ w->fd = fd;
+ w->events = events;
+}
+
+
+inline static void __ev_io_set(__ev_io* w, int fd, int events) {
+ __uv_warn_of(ev_io, uv_poll_t);
+ w->fd = fd;
+ w->events = events;
+}
+
+
+inline static void __ev_io_start(__ev_io* w) {
+ __uv_warn_of(ev_io, uv_poll_t);
+ if (!(w->flags & 1)) {
+ uv_poll_init(uv_default_loop(), &w->handle, w->fd);
+ w->flags |= 1;
+ }
+ uv_poll_start(&w->handle, w->events, __uv_poll_cb);
+}
+
+
+inline static void __ev_io_stop(__ev_io* w) {
+ __uv_warn_of(ev_io, uv_poll_t);
+ uv_poll_stop(&w->handle);
+}
+
+
+inline static void __ev_timer_init(__ev_timer* w,
+ __ev_timer_cb cb,
+ double delay,
+ double repeat) {
+ __uv_warn_of(ev_timer, uv_timer_t);
+ ev_init(w, cb);
+ w->delay = delay;
+ w->repeat = repeat;
+}
+
+
+inline static void __ev_timer_set(__ev_timer* w,
+ double delay,
+ double repeat) {
+ __uv_warn_of(ev_timer, uv_timer_t);
+ w->delay = delay;
+ w->repeat = repeat;
+}
+
+
+inline static void __ev_timer_start(__ev_timer* w) {
+ uint64_t ms = 1000;
+ __uv_warn_of(ev_timer, uv_timer_t);
+ if (!(w->flags & 1)) {
+ uv_timer_init(uv_default_loop(), &w->handle);
+ w->flags |= 1;
+ }
+ uv_timer_start(&w->handle, __uv_timer_cb, w->delay * ms, w->repeat * ms);
+}
+
+
+inline static void __ev_timer_stop(__ev_timer* w) {
+ __uv_warn_of(ev_timer, uv_timer_t);
+ uv_timer_stop(&w->handle);
+}
+
+
+inline static void __ev_timer_again(__ev_timer* w) {
+ __uv_warn_of(ev_timer, uv_timer_t);
+ if (w->flags & 1)
+ uv_timer_again(&w->handle);
+ else
+ __ev_timer_start(w); /* work around node-zookeeper bug */
+}
+
+
+/* Evil. Using this will void your warranty. */
+inline static void __ev_ref(void) {
+ __uv_warn_of(ev_ref, uv_ref);
+ uv_default_loop()->active_handles++;
+}
+
+
+/* Evil. Using this will void your warranty. */
+inline static void __ev_unref(void) {
+ __uv_warn_of(ev_unref, uv_unref);
+ uv_default_loop()->active_handles--;
+}
+
+
+#define ev_io __ev_io
+#define ev_io_init __ev_io_init
+#define ev_io_set __ev_io_set
+#define ev_io_start __ev_io_start
+#define ev_io_stop __ev_io_stop
+
+#define ev_timer __ev_timer
+#define ev_timer_init __ev_timer_init
+#define ev_timer_set __ev_timer_set
+#define ev_timer_start __ev_timer_start
+#define ev_timer_stop __ev_timer_stop
+#define ev_timer_again __ev_timer_again
+
+#define ev_ref __ev_ref
+#define ev_unref __ev_unref
+
+#undef __uv_container_of
+#undef __uv_warn_of
+
+#endif /* NODE_EV_EMUL_H_ */
View
5 src/node.h
@@ -273,5 +273,10 @@ MakeCallback(const v8::Handle<v8::Object> object,
const v8::Handle<v8::Function> callback,
int argc,
v8::Handle<v8::Value> argv[]);
+
+#if !defined(NODE_WANT_INTERNALS)
+# include "ev-emul.h"
+#endif
+
} // namespace node
#endif // SRC_NODE_H_
View
2 tools/installer.js
@@ -92,7 +92,7 @@ if (cmd === 'install') {
copy([
// Node
'src/node.h', 'src/node_buffer.h', 'src/node_object_wrap.h',
- 'src/node_version.h',
+ 'src/node_version.h', 'src/ev-emul.h',
// v8
'deps/v8/include/v8-debug.h', 'deps/v8/include/v8-preparser.h',
'deps/v8/include/v8-profiler.h', 'deps/v8/include/v8-testing.h',

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