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dlopen: now trying "libcufile.so.1", "libcufile.so.0", "libcufile.so" #141

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merged 2 commits into from
Oct 28, 2022
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dlopen: now trying "libcufile.so.1", "libcufile.so.0", "libcufile.so" #141

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063d563
dlopen: now trying "libcufile.so.1", "libcufile.so.0", "libcufile.so"
madsbk Oct 27, 2022
267efbc
added #include <sstream>
madsbk Oct 27, 2022
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2 changes: 1 addition & 1 deletion cpp/include/kvikio/shim/cufile.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ class cuFileAPI {
private:
cuFileAPI()
{
void* lib = load_library("libcufile.so.1");
void* lib = load_library({"libcufile.so.1", "libcufile.so.0", "libcufile.so"});
get_symbol(HandleRegister, lib, KVIKIO_STRINGIFY(cuFileHandleRegister));
get_symbol(HandleDeregister, lib, KVIKIO_STRINGIFY(cuFileHandleDeregister));
get_symbol(Read, lib, KVIKIO_STRINGIFY(cuFileRead));
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22 changes: 22 additions & 0 deletions cpp/include/kvikio/shim/utils.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
#include <dlfcn.h>
#include <sys/utsname.h>
#include <filesystem>
#include <sstream>
#include <vector>

namespace kvikio {

Expand All @@ -38,6 +40,26 @@ inline void* load_library(const char* name, int mode = RTLD_LAZY | RTLD_LOCAL |
return ret;
}

/**
* @brief Load shared library
*
* @param names Vector of names to try when loading shared library.
* @return The library handle.
*/
inline void* load_library(const std::vector<const char*>& names,
int mode = RTLD_LAZY | RTLD_LOCAL | RTLD_NODELETE)
{
std::stringstream ss;
for (const char* name : names) {
ss << name << " ";
try {
return load_library(name);
} catch (const std::runtime_error&) {
}
}
throw std::runtime_error("cannot open shared object file, tried: " + ss.str());
}

/**
* @brief Get symbol using `dlsym`
*
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