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safe_main.hpp File Reference
`#include <uhd/config.hpp>`
`#include <iostream>`
`#include <stdexcept>`

Go to the source code of this file.

## Macros

#define | UHD_SAFE_MAIN(_argc, _argv)

## Macro Definition Documentation

#define UHD_SAFE_MAIN | ( |  | _argc,
|  |  | _argv
| ) |  |

Value:
_main(int, char*[]); \
int main(int argc, char *argv[]){ \
try { \
return _main(argc, argv); \
} catch(const std::exception &e) { \
std::cerr << "Error: " << e.what() << std::endl; \
} catch(...) { \
std::cerr << "Error: unknown exception" << std::endl; \
} \
return ~0; \
} int _main(_argc, _argv)

Defines a safe wrapper that places a catch-all around main. If an exception is thrown, it prints to stderr and returns. Usage: int UHD_SAFE_MAIN(int argc, char *argv[]){ main code here }

Parameters

  _argc | the declaration for argc
  _argv | the declaration for argv