… | |
… | |
2528 | retval = &PL_sv_undef; |
2528 | retval = &PL_sv_undef; |
2529 | #endif |
2529 | #endif |
2530 | XPUSHs (retval); |
2530 | XPUSHs (retval); |
2531 | } |
2531 | } |
2532 | |
2532 | |
2533 | int |
2533 | ssize_t |
2534 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
2534 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
2535 | CODE: |
2535 | CODE: |
2536 | { |
2536 | { |
2537 | #if HAVE_LINUX_SPLICE |
2537 | #if HAVE_LINUX_SPLICE |
2538 | loff_t off_in_, off_out_; |
2538 | loff_t off_in_, off_out_; |
… | |
… | |
2546 | #endif |
2546 | #endif |
2547 | } |
2547 | } |
2548 | OUTPUT: |
2548 | OUTPUT: |
2549 | RETVAL |
2549 | RETVAL |
2550 | |
2550 | |
2551 | int |
2551 | ssize_t |
2552 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
2552 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
2553 | CODE: |
2553 | CODE: |
2554 | #if HAVE_LINUX_SPLICE |
2554 | #if HAVE_LINUX_SPLICE |
2555 | RETVAL = tee (rfh, wfh, length, flags); |
2555 | RETVAL = tee (rfh, wfh, length, flags); |
2556 | #else |
2556 | #else |
… | |
… | |
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 */ |