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authorAbseil Team <absl-team@google.com>2017-12-20T20·34-0800
committerXiaoyi Zhang <zhangxy988@gmail.com>2017-12-20T22·03-0500
commitff7045647330f5dc21725a42456091207f3eecd5 (patch)
treecae476d37e272b1a1d48172f07c4a7229a027fea /absl/base/internal/low_level_alloc.h
parent4972c72c5cf2f27e2a0846ce9ff5d377d3f2b7af (diff)
Changes imported from Abseil "staging" branch:
  - 20f4e7133d695e9a05e13ebdfd4d78da310b42b5 Remove the warning supressions -Wno-documentation and by Derek Mauro <dmauro@google.com>
  - e1bde85c0571673b1e7a88b9d45a393606ba7e6c Changed the optimized version of strings_internal::JoinAl... by Abseil Team <absl-team@google.com>
  - 746e6716b4c15be61547670d68d25a1c850d3954 Add missing absl:: qualification. by Alex Strelnikov <strel@google.com>
  - 4e5c18c488cbd49ca72b02911cf22d830d5a7f16 Internals change: Remove the ability to pass a custom met... by Greg Falcon <gfalcon@google.com>
  - 65d58107a5730d4b6468bbffc72bea2f980af826 Moved most common character case (ascii printable) out of... by Abseil Team <absl-team@google.com>
  - f031331cc55a3d57b9110e12c7cbe50ac3e2a04f Add missing copyright headers to a few source files. by Greg Falcon <gfalcon@google.com>
  - 6035a77af6fa951c536b42df4c710d16d1817aec Enable libstdc++'s memcmp optimization in absl::equal for... by Abseil Team <absl-team@google.com>
  - 73a665a4a10781e5d89f75a876ece7ad859f4116 Fix minor spelling error "hexidecimal". by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 20f4e7133d695e9a05e13ebdfd4d78da310b42b5
Change-Id: Id8c18ebd331d096935052a6ab259ebe0e2ef13ae
Diffstat (limited to 'absl/base/internal/low_level_alloc.h')
-rw-r--r--absl/base/internal/low_level_alloc.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/absl/base/internal/low_level_alloc.h b/absl/base/internal/low_level_alloc.h
index f3e8aa57f94f..3c15605bed35 100644
--- a/absl/base/internal/low_level_alloc.h
+++ b/absl/base/internal/low_level_alloc.h
@@ -93,15 +93,12 @@ class LowLevelAlloc {
     // DefaultArena(). Not supported on all platforms.
     kAsyncSignalSafe = 0x0002,
 #endif
-
-    // When used with DefaultArena(), the NewArena() and DeleteArena() calls
-    // obey the flags given explicitly in the NewArena() call, even if those
-    // flags differ from the settings in DefaultArena().  So the call
-    // NewArena(kAsyncSignalSafe, DefaultArena()) is itself async-signal-safe,
-    // as well as generatating an arena that provides async-signal-safe
-    // Alloc/Free.
   };
-  static Arena *NewArena(int32_t flags, Arena *meta_data_arena);
+  // Construct a new arena.  The allocation of the underlying metadata honors
+  // the provided flags.  For example, the call NewArena(kAsyncSignalSafe)
+  // is itself async-signal-safe, as well as generatating an arena that provides
+  // async-signal-safe Alloc/Free.
+  static Arena *NewArena(int32_t flags);
 
   // Destroys an arena allocated by NewArena and returns true,
   // provided no allocated blocks remain in the arena.