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fix(libkernel): raise the open file soft limit on Linux #1645

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Merged
oneandonlydean merged 1 commit into from
Oct 10, 2026
Merged

fix(libkernel): raise the open file soft limit on Linux #1645

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1 change: 1 addition & 0 deletions core/libs/prx/libkernel/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ add_library(libkernel SHARED EXCLUDE_FROM_ALL
${CMAKE_CURRENT_SOURCE_DIR}/File/src/DirectoryDescriptor.cpp
${CMAKE_CURRENT_SOURCE_DIR}/File/src/NativeStat.cpp
${CMAKE_CURRENT_SOURCE_DIR}/File/src/Open.cpp
${CMAKE_CURRENT_SOURCE_DIR}/File/src/OpenFileLimit.cpp
${CMAKE_CURRENT_SOURCE_DIR}/File/src/Stdio.cpp
${CMAKE_CURRENT_SOURCE_DIR}/Semaphore/src/Semaphore.cpp
${CMAKE_CURRENT_SOURCE_DIR}/SyncOnAddress/src/SyncOnAddress.cpp
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21 changes: 21 additions & 0 deletions core/libs/prx/libkernel/File/src/OpenFileLimit.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
#if defined(__linux__)

#include <cerrno>
#include <system_error>
#include <sys/resource.h>

namespace {

struct OpenFileLimit {
OpenFileLimit() {
rlimit limit{};
if (getrlimit(RLIMIT_NOFILE, &limit) != 0) throw std::system_error(errno, std::generic_category(), "read open file limit");
if (limit.rlim_cur >= limit.rlim_max) return;
limit.rlim_cur = limit.rlim_max;
if (setrlimit(RLIMIT_NOFILE, &limit) != 0) throw std::system_error(errno, std::generic_category(), "raise open file limit");
}
} openFileLimit;

}

#endif
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