Mirrors/VILLASnode
1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-09 00:00:00 +01:00
Code Issues Releases Wiki Activity

add utils::isPrivileged()

Browse source
This commit is contained in:
Steffen Vogel 2021-09-20 18:48:23 +02:00
parent 5c0a96c911
commit 5bb68b2fe1
2 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
common/include/villas/utils.hpp
View file

@ -208,6 +208,9 @@ bool isKubernetes();
/** Check if process is running inside a containerized environment */
bool isContainer();
/** Check if the process is running in a privileged environment (has SYS_ADMIN capability). */
bool isPrivileged();
namespace base64 {
using byte = std::uint8_t;

12
common/lib/utils.cpp
View file

@ -371,5 +371,17 @@ bool isContainer() {
return isDocker() || isKubernetes();
}
bool isPrivileged() {
// TODO: a cleaner way would be to use libcap here and check for the
// SYS_ADMIN capability.
auto *f = fopen(PROCFS_PATH "/sys/vm/nr_hugepages", "w");
if (!f)
return false;
fclose(f);
return 0;
}
} /* namespace utils */
} /* namespace villas */