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Improve has_realtime_kernel method #260

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merged 4 commits into from
Jan 29, 2025
Merged

Improve has_realtime_kernel method #260

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57f4868
Improve has_realtime_kernel method
saikishor Jan 19, 2025
92329a5
find "PREEMPT_RT" in uname.version content directly
saikishor Jan 20, 2025
233e1fd
return false for windows users
saikishor Jan 20, 2025
c0c3c60
Merge branch 'master' into improve/has_realtime_kernel
christophfroehlich Jan 29, 2025
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14 changes: 14 additions & 0 deletions src/realtime_helpers.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -34,12 +34,14 @@
#include <sched.h>
#include <sys/capability.h>
#include <sys/mman.h>
#include <sys/utsname.h>

#include <unistd.h>
#endif

#include <cstring>
#include <fstream>
#include <iostream>

namespace realtime_tools
{
Expand All @@ -50,6 +52,18 @@ bool has_realtime_kernel()
if (realtime_file.is_open()) {
realtime_file >> has_realtime;
}
#if !defined(_WIN32)
if (!has_realtime) {
struct utsname kernel_info;
if (uname(&kernel_info) == -1) {
std::cerr << "Error: Could not get kernel information : " << std::strerror(errno)
<< std::endl;
return false;
}
const std::string kernel_version(kernel_info.version);
return kernel_version.find("PREEMPT_RT") != std::string::npos;
}
#endif
return has_realtime;
}

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