uv: Upgrade to 0.10.10

10 files changed, 113 insertions, 65 deletions

diff --git a/deps/uv/AUTHORS b/deps/uv/AUTHORS
index 6f9b605f14..2172b03afe 100644
--- a/deps/uv/AUTHORS
+++ b/deps/uv/AUTHORS
@@ -83,3 +83,4 @@ Nils Maier <maierman@web.de>
 Nicholas Vavilov <vvnicholas@gmail.com>
 Miroslav Bajtoš <miro.bajtos@gmail.com>
 Elliot Saba <staticfloat@gmail.com>
+Wynn Wilkes <wynnw@movenetworks.com>
diff --git a/deps/uv/ChangeLog b/deps/uv/ChangeLog
index 1451180c8c..058b70a07e 100644
--- a/deps/uv/ChangeLog
+++ b/deps/uv/ChangeLog
@@ -1,4 +1,21 @@
-2013.05.29, Version 0.10.9 (Stable)
+2013.06.05, Version 0.10.10 (Stable)
+
+Changes since version 0.10.9:
+
+* include: document uv_update_time() and uv_now() (Ben Noordhuis)
+
+* linux: fix cpu model parsing on newer arm kernels (Ben Noordhuis)
+
+* linux: fix memory leak in uv_cpu_info() error path (Ben Noordhuis)
+
+* linux: don't ignore OOM errors in uv_cpu_info() (Ben Noordhuis)
+
+* unix, windows: move uv_now() to uv-common.c (Ben Noordhuis)
+
+* darwin: make uv_fs_sendfile() respect length param (Wynn Wilkes)
+
+
+2013.05.29, Version 0.10.9 (Stable), a195f9ace23d92345baf57582678bfc3017e6632
 
 Changes since version 0.10.8:
 
diff --git a/deps/uv/include/uv.h b/deps/uv/include/uv.h
index dd83613122..c3c68cbb5f 100644
--- a/deps/uv/include/uv.h
+++ b/deps/uv/include/uv.h
@@ -287,7 +287,28 @@ UV_EXTERN void uv_stop(uv_loop_t*);
 UV_EXTERN void uv_ref(uv_handle_t*);
 UV_EXTERN void uv_unref(uv_handle_t*);
 
+/*
+ * Update the event loop's concept of "now". Libuv caches the current time
+ * at the start of the event loop tick in order to reduce the number of
+ * time-related system calls.
+ *
+ * You won't normally need to call this function unless you have callbacks
+ * that block the event loop for longer periods of time, where "longer" is
+ * somewhat subjective but probably on the order of a millisecond or more.
+ */
 UV_EXTERN void uv_update_time(uv_loop_t*);
+
+/*
+ * Return the current timestamp in milliseconds. The timestamp is cached at
+ * the start of the event loop tick, see |uv_update_time()| for details and
+ * rationale.
+ *
+ * The timestamp increases monotonically from some arbitrary point in time.
+ * Don't make assumptions about the starting point, you will only get
+ * disappointed.
+ *
+ * Use uv_hrtime() if you need sub-milliseond granularity.
+ */
 UV_EXTERN uint64_t uv_now(uv_loop_t*);
 
 /*
@@ -1819,8 +1840,6 @@ UV_EXTERN extern uint64_t uv_hrtime(void);
  * Note that this function works on a best-effort basis: there is no guarantee
  * that libuv can discover all file descriptors that were inherited. In general
  * it does a better job on Windows than it does on unix.
- *
- * TODO(bb): insert snarky remark to annoy bnoordhuis and the folks at joyent.
  */
 UV_EXTERN void uv_disable_stdio_inheritance(void);
 
diff --git a/deps/uv/src/unix/core.c b/deps/uv/src/unix/core.c
index 61d7249301..e8e5f9e62f 100644
--- a/deps/uv/src/unix/core.c
+++ b/deps/uv/src/unix/core.c
@@ -340,11 +340,6 @@ void uv_update_time(uv_loop_t* loop) {
 }
 
 
-uint64_t uv_now(uv_loop_t* loop) {
-  return loop->time;
-}
-
-
 int uv_is_active(const uv_handle_t* handle) {
   return uv__is_active(handle);
 }
diff --git a/deps/uv/src/unix/fs.c b/deps/uv/src/unix/fs.c
index 53f46ce7c7..2f58a563b3 100644
--- a/deps/uv/src/unix/fs.c
+++ b/deps/uv/src/unix/fs.c
@@ -436,11 +436,14 @@ static ssize_t uv__fs_sendfile(uv_fs_t* req) {
      * non-blocking mode and not all data could be written. If a non-zero
      * number of bytes have been sent, we don't consider it an error.
      */
-    len = 0;
 
 #if defined(__FreeBSD__)
+    len = 0;
     r = sendfile(in_fd, out_fd, req->off, req->len, NULL, &len, 0);
 #else
+    /* The darwin sendfile takes len as an input for the length to send,
+     * so make sure to initialize it with the caller's value. */
+    len = req->len;
     r = sendfile(in_fd, out_fd, req->off, &len, NULL, 0);
 #endif
 
diff --git a/deps/uv/src/unix/linux-core.c b/deps/uv/src/unix/linux-core.c
index 35374b17dc..13765ae3e3 100644
--- a/deps/uv/src/unix/linux-core.c
+++ b/deps/uv/src/unix/linux-core.c
@@ -382,12 +382,12 @@ uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
     return uv__new_sys_error(ENOMEM);
 
   if (read_models(numcpus, ci)) {
-    SAVE_ERRNO(free(ci));
+    SAVE_ERRNO(uv_free_cpu_info(ci, numcpus));
     return uv__new_sys_error(errno);
   }
 
   if (read_times(numcpus, ci)) {
-    SAVE_ERRNO(free(ci));
+    SAVE_ERRNO(uv_free_cpu_info(ci, numcpus));
     return uv__new_sys_error(errno);
   }
 
@@ -414,76 +414,89 @@ static void read_speeds(unsigned int numcpus, uv_cpu_info_t* ci) {
 
 /* Also reads the CPU frequency on x86. The other architectures only have
  * a BogoMIPS field, which may not be very accurate.
+ *
+ * Note: Simply returns on error, uv_cpu_info() takes care of the cleanup.
  */
 static int read_models(unsigned int numcpus, uv_cpu_info_t* ci) {
-#if defined(__i386__) || defined(__x86_64__)
   static const char model_marker[] = "model name\t: ";
   static const char speed_marker[] = "cpu MHz\t\t: ";
-#elif defined(__arm__)
-  static const char model_marker[] = "Processor\t: ";
-  static const char speed_marker[] = "";
-#elif defined(__mips__)
-  static const char model_marker[] = "cpu model\t\t: ";
-  static const char speed_marker[] = "";
-#else
-# warning uv_cpu_info() is not supported on this architecture.
-  static const char model_marker[] = "";
-  static const char speed_marker[] = "";
-#endif
-  static const char bogus_model[] = "unknown";
+  const char* inferred_model;
   unsigned int model_idx;
   unsigned int speed_idx;
   char buf[1024];
   char* model;
   FILE* fp;
-  char* inferred_model;
 
-  fp = fopen("/proc/cpuinfo", "r");
-  if (fp == NULL)
-    return -1;
+  /* Most are unused on non-ARM and non-x86 architectures. */
+  (void) &model_marker;
+  (void) &speed_marker;
+  (void) &speed_idx;
+  (void) &model;
+  (void) &buf;
+  (void) &fp;
 
   model_idx = 0;
   speed_idx = 0;
 
+#if defined(__arm__) || defined(__i386__) || defined(__x86_64__)
+  fp = fopen("/proc/cpuinfo", "r");
+  if (fp == NULL)
+    return -1;
+
   while (fgets(buf, sizeof(buf), fp)) {
-    if (model_marker[0] != '\0' &&
-        model_idx < numcpus &&
-        strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0)
-    {
-      model = buf + sizeof(model_marker) - 1;
-      model = strndup(model, strlen(model) - 1); /* strip newline */
-      ci[model_idx++].model = model;
-      continue;
+    if (model_idx < numcpus) {
+      if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) {
+        model = buf + sizeof(model_marker) - 1;
+        model = strndup(model, strlen(model) - 1);  /* Strip newline. */
+        if (model == NULL) {
+          fclose(fp);
+          return -1;
+        }
+        ci[model_idx++].model = model;
+        continue;
+      }
     }
-
-    if (speed_marker[0] != '\0' &&
-        speed_idx < numcpus &&
-        strncmp(buf, speed_marker, sizeof(speed_marker) - 1) == 0)
-    {
-      ci[speed_idx++].speed = atoi(buf + sizeof(speed_marker) - 1);
-      continue;
+#if defined(__arm__)
+    /* Fallback for pre-3.8 kernels. */
+    if (model_idx < numcpus) {
+      static const char model_marker[] = "Processor\t: ";
+      if (strncmp(buf, model_marker, sizeof(model_marker) - 1) == 0) {
+        model = buf + sizeof(model_marker) - 1;
+        model = strndup(model, strlen(model) - 1);  /* Strip newline. */
+        if (model == NULL) {
+          fclose(fp);
+          return -1;
+        }
+        ci[model_idx++].model = model;
+        continue;
+      }
     }
+#else  /* !__arm____ */
+    if (speed_idx < numcpus) {
+      if (strncmp(buf, speed_marker, sizeof(speed_marker) - 1) == 0) {
+        ci[speed_idx++].speed = atoi(buf + sizeof(speed_marker) - 1);
+        continue;
+      }
+    }
+#endif  /* __arm__ */
   }
-  fclose(fp);
 
-  /* Now we want to make sure that all the models contain *something*:
-   * it's not safe to leave them as null.
-   */
-  if (model_idx == 0) {
-    /* No models at all: fake up the first one. */
-    ci[0].model = strndup(bogus_model, sizeof(bogus_model) - 1);
-    model_idx = 1;
-  }
+  fclose(fp);
+#endif  /* __arm__ || __i386__ || __x86_64__ */
 
-  /* Not enough models, but we do have at least one.  So we'll just
-   * copy the rest down: it might be better to indicate somehow that
-   * the remaining ones have been guessed.
+  /* Now we want to make sure that all the models contain *something* because
+   * it's not safe to leave them as null. Copy the last entry unless there
+   * isn't one, in that case we simply put "unknown" into everything.
    */
-  inferred_model = ci[model_idx - 1].model;
+  inferred_model = "unknown";
+  if (model_idx > 0)
+    inferred_model = ci[model_idx - 1].model;
 
   while (model_idx < numcpus) {
-    ci[model_idx].model = strndup(inferred_model, strlen(inferred_model));
-    model_idx++;
+    model = strndup(inferred_model, strlen(inferred_model));
+    if (model == NULL)
+      return -1;
+    ci[model_idx++].model = model;
   }
 
   return 0;
diff --git a/deps/uv/src/uv-common.c b/deps/uv/src/uv-common.c
index 8c9d323af3..f0792f1175 100644
--- a/deps/uv/src/uv-common.c
+++ b/deps/uv/src/uv-common.c
@@ -429,3 +429,8 @@ void uv_unref(uv_handle_t* handle) {
 void uv_stop(uv_loop_t* loop) {
   loop->stop_flag = 1;
 }
+
+
+uint64_t uv_now(uv_loop_t* loop) {
+  return loop->time;
+}
diff --git a/deps/uv/src/version.c b/deps/uv/src/version.c
index 9bf92fdd02..38cd35cc9b 100644
--- a/deps/uv/src/version.c
+++ b/deps/uv/src/version.c
@@ -34,7 +34,7 @@
 
 #define UV_VERSION_MAJOR 0
 #define UV_VERSION_MINOR 10
-#define UV_VERSION_PATCH 9
+#define UV_VERSION_PATCH 10
 #define UV_VERSION_IS_RELEASE 1
 
 
diff --git a/deps/uv/src/win/timer.c b/deps/uv/src/win/timer.c
index 7fd105713d..8dae741457 100644
--- a/deps/uv/src/win/timer.c
+++ b/deps/uv/src/win/timer.c
@@ -45,11 +45,6 @@ void uv_update_time(uv_loop_t* loop) {
 }
 
 
-uint64_t uv_now(uv_loop_t* loop) {
-  return loop->time;
-}
-
-
 static int uv_timer_compare(uv_timer_t* a, uv_timer_t* b) {
   if (a->due < b->due)
     return -1;
diff --git a/deps/uv/test/test-osx-select.c b/deps/uv/test/test-osx-select.c
index 5c2cbd4d93..bf4c3952b7 100644
--- a/deps/uv/test/test-osx-select.c
+++ b/deps/uv/test/test-osx-select.c
@@ -62,7 +62,7 @@ TEST_IMPL(osx_select) {
 
   uv_read_start((uv_stream_t*) &tty, alloc_cb, read_cb);
 
-  // Emulate user-input
+  /* Emulate user-input */
   str = "got some input\n"
         "with a couple of lines\n"
         "feel pretty happy\n";