diff options
Diffstat (limited to 'src/lib/utils')
| -rw-r--r-- | src/lib/utils/os_utils.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/lib/utils/os_utils.h b/src/lib/utils/os_utils.h index b74debc46..60ef2cf5b 100644 --- a/src/lib/utils/os_utils.h +++ b/src/lib/utils/os_utils.h @@ -15,13 +15,21 @@ namespace Botan { namespace OS { +/* +* This header is internal (not installed) and these functions are not +* intended to be called by applications. However they are given public +* visibility (using BOTAN_DLL macro) for the tests. This also probably +* allows them to be overridden by the application on ELF systems, but +* this hasn't been tested. +*/ + /** * @return process ID assigned by the operating system. * On Unix and Windows systems, this always returns a result * On IncludeOS it returns 0 since there is no process ID to speak of * in a unikernel. */ -uint32_t get_process_id(); +uint32_t BOTAN_DLL get_process_id(); /** * @return highest resolution clock available on the system. @@ -36,13 +44,13 @@ uint32_t get_process_id(); * On other platforms clock_gettime is used with some monotonic timer, if available. * As a final fallback std::chrono::high_resolution_clock is used. */ -uint64_t get_processor_timestamp(); +uint64_t BOTAN_DLL get_processor_timestamp(); /** * @return system clock with best resolution available, normalized to * nanoseconds resolution. */ -uint64_t get_system_timestamp_ns(); +uint64_t BOTAN_DLL get_system_timestamp_ns(); /** * @return maximum amount of memory (in bytes) Botan could/should @@ -82,7 +90,7 @@ void free_locked_pages(void* ptr, size_t length); * -1 illegal instruction detected * -2 exception thrown */ -int run_cpu_instruction_probe(std::function<int ()> probe_fn); +int BOTAN_DLL run_cpu_instruction_probe(std::function<int ()> probe_fn); } |