lix-releng-staging/src/libmain/shared.hh
2009-11-24 12:26:25 +00:00

58 lines
1.2 KiB
C++

#ifndef __SHARED_H
#define __SHARED_H
#include "types.hh"
#include <signal.h>
/* These are not implemented here, but must be implemented by a
program linking against libmain. */
/* Main program. Called by main() after the ATerm library has been
initialised and some default arguments have been processed (and
removed from `args'). main() will catch all exceptions. */
void run(nix::Strings args);
/* Should print a help message to stdout and return. */
void printHelp();
extern std::string programId;
namespace nix {
MakeError(UsageError, nix::Error);
/* Ugh. No better place to put this. */
Path makeRootName(const Path & gcRoot, int & counter);
void printGCWarning();
void printMissing(const PathSet & paths);
template<class N> N getIntArg(const string & opt,
Strings::iterator & i, const Strings::iterator & end)
{
++i;
if (i == end) throw UsageError(format("`%1%' requires an argument") % opt);
N n;
if (!string2Int(*i, n))
throw UsageError(format("`%1%' requires an integer argument") % opt);
return n;
}
/* Whether we're running setuid. */
extern bool setuidMode;
extern volatile ::sig_atomic_t blockInt;
struct RemoveTempRoots
{
~RemoveTempRoots();
};
}
#endif /* !__SHARED_H */