deps: upgrade libuv to 1.7.5

PR-URL: #3010 Reviewed-By: Rod Vagg <[email protected]> Reviewed-By: Trevor Norris <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>
nodejs · Oct 2, 2015 · 4c59407 · 4c59407
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diff --git a/deps/uv/AUTHORS b/deps/uv/AUTHORS
@@ -224,3 +224,4 @@ Jianghua Yang <[email protected]>
 Colin Snover <[email protected]>
 Sakthipriyan Vairamani <[email protected]>
 Eli Skeggs <[email protected]>
+nmushell <[email protected]>
diff --git a/deps/uv/ChangeLog b/deps/uv/ChangeLog
@@ -1,3 +1,24 @@
+2015.09.23, Version 1.7.5 (Stable), a8c1136de2cabf25b143021488cbaab05834daa8
+
+Changes since version 1.7.4:
+
+* unix: Support atomic compare & swap xlC on AIX (nmushell)
+
+* unix: Fix including uv-aix.h on AIX (nmushell)
+
+* unix: consolidate rwlock tryrdlock trywrlock errors (Saúl Ibarra Corretgé)
+
+* unix, win: consolidate mutex trylock errors (Saúl Ibarra Corretgé)
+
+* darwin: fix memory leak in uv_cpu_info (Jianghua Yang)
+
+* test: add tests for the uv_rwlock implementation (Bert Belder)
+
+* win: redo/fix the uv_rwlock APIs (Bert Belder)
+
+* win: don't fetch function pointers to SRWLock APIs (Bert Belder)
+
+
 2015.09.12, Version 1.7.4 (Stable), a7ad4f52189d89cfcba35f78bfc5ff3b1f4105c4
 
 Changes since version 1.7.3:

diff --git a/deps/uv/Makefile.am b/deps/uv/Makefile.am
@@ -280,6 +280,7 @@ endif
 
 if AIX
 libuv_la_CFLAGS += -D_ALL_SOURCE -D_XOPEN_SOURCE=500 -D_LINUX_SOURCE_COMPAT
+include_HEADERS += include/uv-aix.h
 libuv_la_SOURCES += src/unix/aix.c
 endif
 

diff --git a/deps/uv/appveyor.yml b/deps/uv/appveyor.yml
@@ -1,4 +1,4 @@
-version: v1.7.4.build{build}
+version: v1.7.5.build{build}
 
 install:
   - cinst -y nsis

diff --git a/deps/uv/configure.ac b/deps/uv/configure.ac
@@ -13,7 +13,7 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 AC_PREREQ(2.57)
-AC_INIT([libuv], [1.7.4], [https://github.com/libuv/libuv/issues])
+AC_INIT([libuv], [1.7.5], [https://github.com/libuv/libuv/issues])
 AC_CONFIG_MACRO_DIR([m4])
 m4_include([m4/libuv-extra-automake-flags.m4])
 m4_include([m4/as_case.m4])

diff --git a/deps/uv/include/uv-version.h b/deps/uv/include/uv-version.h
@@ -32,7 +32,7 @@
 
 #define UV_VERSION_MAJOR 1
 #define UV_VERSION_MINOR 7
-#define UV_VERSION_PATCH 4
+#define UV_VERSION_PATCH 5
 #define UV_VERSION_IS_RELEASE 1
 #define UV_VERSION_SUFFIX ""
 

diff --git a/deps/uv/include/uv-win.h b/deps/uv/include/uv-win.h
@@ -246,22 +246,20 @@ typedef union {
 } uv_cond_t;
 
 typedef union {
-  /* srwlock_ has type SRWLOCK, but not all toolchains define this type in */
-  /* windows.h. */
-  SRWLOCK srwlock_;
   struct {
-    union {
-      CRITICAL_SECTION cs;
-      /* TODO: remove me in v2.x. */
-      uv_mutex_t unused;
-    } read_lock_;
-    union {
-      HANDLE sem;
-      /* TODO: remove me in v2.x. */
-      uv_mutex_t unused;
-    } write_lock_;
     unsigned int num_readers_;
-  } fallback_;
+    CRITICAL_SECTION num_readers_lock_;
+    HANDLE write_semaphore_;
+  } state_;
+  /* TODO: remove me in v2.x. */
+  struct {
+    SRWLOCK unused_;
+  } unused1_;
+  /* TODO: remove me in v2.x. */
+  struct {
+    uv_mutex_t unused1_;
+    uv_mutex_t unused2_;
+  } unused2_;
 } uv_rwlock_t;
 
 typedef struct {

diff --git a/deps/uv/src/unix/atomic-ops.h b/deps/uv/src/unix/atomic-ops.h
@@ -33,6 +33,10 @@ UV_UNUSED(static int cmpxchgi(int* ptr, int oldval, int newval)) {
                         : "r" (newval), "0" (oldval)
                         : "memory");
   return out;
+#elif defined(_AIX) && defined(__xlC__)
+  const int out = (*(volatile int*) ptr);
+  __compare_and_swap(ptr, &oldval, newval);
+  return out;
 #else
   return __sync_val_compare_and_swap(ptr, oldval, newval);
 #endif
@@ -46,6 +50,14 @@ UV_UNUSED(static long cmpxchgl(long* ptr, long oldval, long newval)) {
                         : "r" (newval), "0" (oldval)
                         : "memory");
   return out;
+#elif defined(_AIX) && defined(__xlC__)
+  const long out = (*(volatile int*) ptr);
+# if defined(__64BIT__)
+  __compare_and_swaplp(ptr, &oldval, newval);
+# else
+  __compare_and_swap(ptr, &oldval, newval);
+# endif /* if defined(__64BIT__) */
+  return out;
 #else
   return __sync_val_compare_and_swap(ptr, oldval, newval);
 #endif

diff --git a/deps/uv/src/unix/darwin.c b/deps/uv/src/unix/darwin.c
@@ -199,8 +199,10 @@ int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
   }
 
   *cpu_infos = uv__malloc(numcpus * sizeof(**cpu_infos));
-  if (!(*cpu_infos))
-    return -ENOMEM;  /* FIXME(bnoordhuis) Deallocate info? */
+  if (!(*cpu_infos)) {
+    vm_deallocate(mach_task_self(), (vm_address_t)info, msg_type);
+    return -ENOMEM;
+  }
 
   *count = numcpus;
 

diff --git a/deps/uv/src/unix/thread.c b/deps/uv/src/unix/thread.c
@@ -124,14 +124,14 @@ void uv_mutex_lock(uv_mutex_t* mutex) {
 int uv_mutex_trylock(uv_mutex_t* mutex) {
   int err;
 
-  /* FIXME(bnoordhuis) EAGAIN means recursive lock limit reached. Arguably
-   * a bug, should probably abort rather than return -EAGAIN.
-   */
   err = pthread_mutex_trylock(mutex);
-  if (err && err != EBUSY && err != EAGAIN)
-    abort();
+  if (err) {
+    if (err != EBUSY && err != EAGAIN)
+      abort();
+    return -EBUSY;
+  }
 
-  return -err;
+  return 0;
 }
 
 
@@ -162,10 +162,13 @@ int uv_rwlock_tryrdlock(uv_rwlock_t* rwlock) {
   int err;
 
   err = pthread_rwlock_tryrdlock(rwlock);
-  if (err && err != EBUSY && err != EAGAIN)
-    abort();
+  if (err) {
+    if (err != EBUSY && err != EAGAIN)
+      abort();
+    return -EBUSY;
+  }
 
-  return -err;
+  return 0;
 }
 
 
@@ -185,10 +188,13 @@ int uv_rwlock_trywrlock(uv_rwlock_t* rwlock) {
   int err;
 
   err = pthread_rwlock_trywrlock(rwlock);
-  if (err && err != EBUSY && err != EAGAIN)
-    abort();
+  if (err) {
+    if (err != EBUSY && err != EAGAIN)
+      abort();
+    return -EBUSY;
+  }
 
-  return -err;
+  return 0;
 }