about summary refs log tree commit diff
path: root/absl/base/internal/spinlock_linux.inc
diff options
context:
space:
mode:
authorAbseil Team <absl-team@google.com>2020-02-25T16·48-0800
committerCJ Johnson <johnsoncj@google.com>2020-02-25T18·12-0500
commit0d5ce2797eb695aee7e019e25323251ef6ffc277 (patch)
treee8f17f3202cce51bcb9f25175349b7a61e7ba664 /absl/base/internal/spinlock_linux.inc
parentb69c7d880caddfc25bf348dbcfe9d45fdd8bc6e6 (diff)
Export of internal Abseil changes
--
20405fc394419d434d3ea09b2e62e4edcb282421 by Christian Blichmann <cblichmann@google.com>:

Include `status` subdirectory in main `CMakeLists.txt`

PiperOrigin-RevId: 297125966

--
101087af9689612bdda679ee0869e5cde4472244 by Matt Kulukundis <kfm@google.com>:

Fix typo

PiperOrigin-RevId: 296991360

--
55ff5bc6970d46214c0459d3a7a23973c7dc69b9 by Andy Getzendanner <durandal@google.com>:

Extract logging's ErrnoSaver to absl::base_internal and use it in a couple other places.

PiperOrigin-RevId: 296969168

--
b7cd7550297d53766576f751436617200c65831b by Abseil Team <absl-team@google.com>:

Internal change

PiperOrigin-RevId: 296951474

--
8c04c73fc53f9a09c3e2400812b931157f35fe07 by Andy Soffer <asoffer@google.com>:

Auto-generate list of files in the DLL, and add new build targets to the DLL.

PiperOrigin-RevId: 296932061

--
2f77829e196094f1addefd8ac2ac9e398c5b6100 by Andy Soffer <asoffer@google.com>:

Fix bug introduced by DLL where we couldn't build shared libraries on
non-windows platforms.

Fixes #623

PiperOrigin-RevId: 296919347

--
b768163dbbff0c561b9dff0218a699e5e4fd33f3 by Abseil Team <absl-team@google.com>:

typo: microprosessor

PiperOrigin-RevId: 296904933

--
b185da0dac44c91855373f0723df9242cbfb3db3 by Matthew Brown <matthewbr@google.com>:

Internal cleanup

PiperOrigin-RevId: 296509711
GitOrigin-RevId: 20405fc394419d434d3ea09b2e62e4edcb282421
Change-Id: I55c8eba6f353ceb337455ae144ab743ea21edbef
Diffstat (limited to 'absl/base/internal/spinlock_linux.inc')
-rw-r--r--absl/base/internal/spinlock_linux.inc5
1 files changed, 2 insertions, 3 deletions
diff --git a/absl/base/internal/spinlock_linux.inc b/absl/base/internal/spinlock_linux.inc
index 28e29d191909..323edd62f464 100644
--- a/absl/base/internal/spinlock_linux.inc
+++ b/absl/base/internal/spinlock_linux.inc
@@ -19,12 +19,12 @@
 #include <unistd.h>
 
 #include <atomic>
-#include <cerrno>
 #include <climits>
 #include <cstdint>
 #include <ctime>
 
 #include "absl/base/attributes.h"
+#include "absl/base/internal/errno_saver.h"
 
 // The SpinLock lockword is `std::atomic<uint32_t>`. Here we assert that
 // `std::atomic<uint32_t>` is bitwise equivalent of the `int` expected
@@ -51,12 +51,11 @@ extern "C" {
 ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockDelay(
     std::atomic<uint32_t> *w, uint32_t value, int loop,
     absl::base_internal::SchedulingMode) {
-  int save_errno = errno;
+  absl::base_internal::ErrnoSaver errno_saver;
   struct timespec tm;
   tm.tv_sec = 0;
   tm.tv_nsec = absl::base_internal::SpinLockSuggestedDelayNS(loop);
   syscall(SYS_futex, w, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, value, &tm);
-  errno = save_errno;
 }
 
 ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockWake(std::atomic<uint32_t> *w,