Merge branch 'upstream-libuv' into update-libuv

* upstream-libuv:
  libuv 2019-01-15 (f84c5e69)

1 files changed, 93 insertions, 0 deletions

diff --git a/Utilities/cmlibuv/src/unix/bsd-proctitle.c b/Utilities/cmlibuv/src/unix/bsd-proctitle.c
new file mode 100644
index 0000000..0ce47c8
--- /dev/null
+++ b/Utilities/cmlibuv/src/unix/bsd-proctitle.c
@@ -0,0 +1,93 @@
+/* Copyright libuv project contributors. All rights reserved.
+ *
+ * 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.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <sys/types.h>
+#include <unistd.h>
+
+
+static uv_mutex_t process_title_mutex;
+static uv_once_t process_title_mutex_once = UV_ONCE_INIT;
+static char* process_title;
+
+
+static void init_process_title_mutex_once(void) {
+  if (uv_mutex_init(&process_title_mutex))
+    abort();
+}
+
+
+char** uv_setup_args(int argc, char** argv) {
+  process_title = argc > 0 ? uv__strdup(argv[0]) : NULL;
+  return argv;
+}
+
+
+int uv_set_process_title(const char* title) {
+  char* new_title;
+
+  new_title = uv__strdup(title);
+  if (new_title == NULL)
+    return UV_ENOMEM;
+
+  uv_once(&process_title_mutex_once, init_process_title_mutex_once);
+  uv_mutex_lock(&process_title_mutex);
+
+  uv__free(process_title);
+  process_title = new_title;
+  setproctitle("%s", title);
+
+  uv_mutex_unlock(&process_title_mutex);
+
+  return 0;
+}
+
+
+int uv_get_process_title(char* buffer, size_t size) {
+  size_t len;
+
+  if (buffer == NULL || size == 0)
+    return UV_EINVAL;
+
+  uv_once(&process_title_mutex_once, init_process_title_mutex_once);
+  uv_mutex_lock(&process_title_mutex);
+
+  if (process_title != NULL) {
+    len = strlen(process_title) + 1;
+
+    if (size < len) {
+      uv_mutex_unlock(&process_title_mutex);
+      return UV_ENOBUFS;
+    }
+
+    memcpy(buffer, process_title, len);
+  } else {
+    len = 0;
+  }
+
+  uv_mutex_unlock(&process_title_mutex);
+
+  buffer[len] = '\0';
+
+  return 0;
+}