| … | |
… | |
| 2727 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2727 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
| 2728 | XSRETURN_YES; |
2728 | XSRETURN_YES; |
| 2729 | |
2729 | |
| 2730 | if (errno == EPERM) |
2730 | if (errno == EPERM) |
| 2731 | { |
2731 | { |
| 2732 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
2732 | /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
| 2733 | /* our limit overflows a system-wide limit */ |
2733 | /* our limit overflows a system-wide limit */ |
| 2734 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
2734 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
| 2735 | rl.rlim_max = 0; |
2735 | rl.rlim_max = 0; |
| 2736 | for (bit = 0x40000000U; bit; bit >>= 1) |
2736 | for (bit = 0x40000000U; bit; bit >>= 1) |
| 2737 | { |
2737 | { |
| 2738 | rl.rlim_max |= bit; |
2738 | rl.rlim_max |= bit; |
| 2739 | rl.rlim_cur = rl.rlim_max; |
2739 | rl.rlim_cur = rl.rlim_max; |
| 2740 | |
2740 | |
| 2741 | /* nevr decrease the hard limit */ |
2741 | /* never decrease the hard limit */ |
| 2742 | if (rl.rlim_max < orig_rlim_max) |
2742 | if (rl.rlim_max < orig_rlim_max) |
| 2743 | break; |
2743 | break; |
| 2744 | |
2744 | |
| 2745 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
2745 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
| 2746 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
2746 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
