#ifdef HAVE_UNISTD_H #include <unistd.h> #endif #include <limits.h> #ifdef _SC_OPEN_MAX int getdtablesize() { return sysconf(_SC_OPEN_MAX); } #else #include <sys/resource.h> /* Placed in the Public Domain by Mark Eichin, Cygnus Support 1994 */ int getdtablesize() { struct rlimit rl; getrlimit(RLIMIT_NOFILE, &rl); return rl.rlim_cur; } #endif