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benchmark
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Add support for DragonFly BSD (#1058) 

Without this commit, compilation fails on DragonFly with the following message:

```
/home/mneumann/Dev/benchmark.old/src/sysinfo.cc:446:2: error: #warning "HOST_NAME_MAX not defined. using 64" [-Werror=cpp]
^~~~~~~
```

Also note that the sysctl is actually `hw.tsc_frequency` on DragonFly:

```
$ sysctl hw.tsc_frequency
hw.tsc_frequency: 3498984022
```

Tested on:

```
$ uname -a
DragonFly box.localnet 5.9-DEVELOPMENT DragonFly v5.9.0.742.g4b29dd-DEVELOPMENT #5: Tue Aug 18 00:21:31 CEST 2020
```
This commit is contained in:
Michael Neumann 2020-10-12 22:41:49 +02:00 committed by GitHub
parent ffe1342eb2
commit af72911f2f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 12 additions and 5 deletions
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2
src/internal_macros.h
View File

@ -58,6 +58,8 @@
#define BENCHMARK_OS_NETBSD 1
#elif defined(__OpenBSD__)
#define BENCHMARK_OS_OPENBSD 1
#elif defined(__DragonFly__)
#define BENCHMARK_OS_DRAGONFLY 1
#elif defined(__linux__)
#define BENCHMARK_OS_LINUX 1
#elif defined(__native_client__)

12
src/sysinfo.cc
View File

@ -29,7 +29,8 @@
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <unistd.h>
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX || \
defined BENCHMARK_OS_NETBSD || defined BENCHMARK_OS_OPENBSD
defined BENCHMARK_OS_NETBSD || defined BENCHMARK_OS_OPENBSD || \
defined BENCHMARK_OS_DRAGONFLY
#define BENCHMARK_HAS_SYSCTL
#include <sys/sysctl.h>
#endif
@ -607,6 +608,8 @@ double GetCPUCyclesPerSecond() {
"machdep.tsc_freq";
#elif defined BENCHMARK_OS_OPENBSD
"hw.cpuspeed";
#elif defined BENCHMARK_OS_DRAGONFLY
"hw.tsc_frequency";
#else
"hw.cpufrequency";
#endif
@ -671,9 +674,10 @@ double GetCPUCyclesPerSecond() {
}
std::vector<double> GetLoadAvg() {
#if (defined BENCHMARK_OS_FREEBSD || defined(BENCHMARK_OS_LINUX) || \
defined BENCHMARK_OS_MACOSX || defined BENCHMARK_OS_NETBSD || \
defined BENCHMARK_OS_OPENBSD) && !defined(__ANDROID__)
#if (defined BENCHMARK_OS_FREEBSD || defined(BENCHMARK_OS_LINUX) || \
defined BENCHMARK_OS_MACOSX || defined BENCHMARK_OS_NETBSD || \
defined BENCHMARK_OS_OPENBSD || defined BENCHMARK_OS_DRAGONFLY) && \
!defined(__ANDROID__)
constexpr int kMaxSamples = 3;
std::vector<double> res(kMaxSamples, 0.0);
const int nelem = getloadavg(res.data(), kMaxSamples);

3
src/timers.cc
View File

@ -28,7 +28,8 @@
#include <sys/time.h>
#include <sys/types.h> // this header must be included before 'sys/sysctl.h' to avoid compilation error on FreeBSD
#include <unistd.h>
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_MACOSX
#if defined BENCHMARK_OS_FREEBSD || defined BENCHMARK_OS_DRAGONFLY || \
defined BENCHMARK_OS_MACOSX
#include <sys/sysctl.h>
#endif
#if defined(BENCHMARK_OS_MACOSX)