diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/sysinfo.h')
| -rw-r--r-- | third_party/abseil_cpp/absl/base/internal/sysinfo.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/sysinfo.h b/third_party/abseil_cpp/absl/base/internal/sysinfo.h index 7246d5dd95c3..119cf1f0e85b 100644 --- a/third_party/abseil_cpp/absl/base/internal/sysinfo.h +++ b/third_party/abseil_cpp/absl/base/internal/sysinfo.h @@ -30,6 +30,7 @@ #include <cstdint> +#include "absl/base/config.h" #include "absl/base/port.h" namespace absl { @@ -59,6 +60,13 @@ using pid_t = uint32_t; #endif pid_t GetTID(); +// Like GetTID(), but caches the result in thread-local storage in order +// to avoid unnecessary system calls. Note that there are some cases where +// one must call through to GetTID directly, which is why this exists as a +// separate function. For example, GetCachedTID() is not safe to call in +// an asynchronous signal-handling context nor right after a call to fork(). +pid_t GetCachedTID(); + } // namespace base_internal ABSL_NAMESPACE_END } // namespace absl |