… | |
… | |
226 | |
226 | |
227 | #if PAGESIZE <= 0 |
227 | #if PAGESIZE <= 0 |
228 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
228 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
229 | #endif |
229 | #endif |
230 | |
230 | |
|
|
231 | #if HAVE_SYSCALL |
|
|
232 | #include <sys/syscall.h> |
|
|
233 | #else |
|
|
234 | # define syscall(nr,...) (errno = ENOSYS, -1) |
|
|
235 | #endif |
|
|
236 | |
231 | /*****************************************************************************/ |
237 | /*****************************************************************************/ |
232 | |
238 | |
233 | #if !_POSIX_MAPPED_FILES |
239 | #if !_POSIX_MAPPED_FILES |
234 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
240 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
235 | # define munmap(addr,length) EIO_ENOSYS () |
241 | # define munmap(addr,length) EIO_ENOSYS () |
… | |
… | |
344 | int count = req->int3; |
350 | int count = req->int3; |
345 | |
351 | |
346 | req->flags |= EIO_FLAG_PTR1_FREE; |
352 | req->flags |= EIO_FLAG_PTR1_FREE; |
347 | |
353 | |
348 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
354 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
349 | /* increase in 3.5kb steps */ |
355 | /* increase in fixed steps */ |
350 | if (count < 0) |
356 | if (count < 0) |
351 | count = 8; |
357 | count = 8; |
352 | |
358 | |
353 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
359 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
354 | errno = ENOMEM; |
360 | errno = ENOMEM; |
… | |
… | |
407 | |
413 | |
408 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
414 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
409 | { |
415 | { |
410 | struct fiemap_extent *e = incmap->fm_extents + count; |
416 | struct fiemap_extent *e = incmap->fm_extents + count; |
411 | |
417 | |
|
|
418 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
419 | |
412 | if (e->fe_logical + e->fe_length >= end_offset) |
420 | if (e->fe_logical >= end_offset) |
413 | goto done; |
421 | goto done; |
414 | |
|
|
415 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
416 | |
422 | |
417 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
423 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
418 | goto done; |
424 | goto done; |
419 | |
425 | |
420 | } |
426 | } |
… | |
… | |
1329 | const_iv (STATX_ATTR_APPEND) |
1335 | const_iv (STATX_ATTR_APPEND) |
1330 | const_iv (STATX_ATTR_NODUMP) |
1336 | const_iv (STATX_ATTR_NODUMP) |
1331 | const_iv (STATX_ATTR_ENCRYPTED) |
1337 | const_iv (STATX_ATTR_ENCRYPTED) |
1332 | const_iv (STATX_ATTR_AUTOMOUNT) |
1338 | const_iv (STATX_ATTR_AUTOMOUNT) |
1333 | |
1339 | |
|
|
1340 | const_iv (AT_FDCWD) |
|
|
1341 | const_iv (AT_SYMLINK_NOFOLLOW) |
|
|
1342 | const_iv (AT_EACCESS) |
|
|
1343 | const_iv (AT_REMOVEDIR) |
|
|
1344 | const_iv (AT_SYMLINK_FOLLOW) |
|
|
1345 | const_iv (AT_NO_AUTOMOUNT) |
|
|
1346 | const_iv (AT_EMPTY_PATH) |
|
|
1347 | const_iv (AT_STATX_SYNC_TYPE) |
|
|
1348 | const_iv (AT_STATX_AS_STAT) |
|
|
1349 | const_iv (AT_STATX_FORCE_SYNC) |
|
|
1350 | const_iv (AT_STATX_DONT_SYNC) |
|
|
1351 | const_iv (AT_RECURSIVE) |
|
|
1352 | |
|
|
1353 | const_iv (OPEN_TREE_CLONE) |
|
|
1354 | |
|
|
1355 | const_iv (MOVE_MOUNT_F_SYMLINKS) |
|
|
1356 | const_iv (MOVE_MOUNT_F_AUTOMOUNTS) |
|
|
1357 | const_iv (MOVE_MOUNT_F_EMPTY_PATH) |
|
|
1358 | const_iv (MOVE_MOUNT_T_SYMLINKS) |
|
|
1359 | const_iv (MOVE_MOUNT_T_AUTOMOUNTS) |
|
|
1360 | const_iv (MOVE_MOUNT_T_EMPTY_PATH) |
|
|
1361 | |
1334 | /* these are libeio constants, and are independent of gendef0 */ |
1362 | /* these are libeio constants, and are independent of gendef0 */ |
1335 | const_eio (SEEK_SET) |
1363 | const_eio (SEEK_SET) |
1336 | const_eio (SEEK_CUR) |
1364 | const_eio (SEEK_CUR) |
1337 | const_eio (SEEK_END) |
1365 | const_eio (SEEK_END) |
1338 | |
1366 | |
… | |
… | |
2599 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2627 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2600 | } |
2628 | } |
2601 | } |
2629 | } |
2602 | |
2630 | |
2603 | void |
2631 | void |
|
|
2632 | pidfd_open (int pid, unsigned int flags = 0) |
|
|
2633 | PPCODE: |
|
|
2634 | { |
|
|
2635 | /*GENDEF0_SYSCALL(pidfd_open,434)*/ |
|
|
2636 | int fd = syscall (SYS_pidfd_open, pid, flags); |
|
|
2637 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2638 | } |
|
|
2639 | |
|
|
2640 | int |
|
|
2641 | pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0) |
|
|
2642 | PPCODE: |
|
|
2643 | { |
|
|
2644 | int res; |
|
|
2645 | siginfo_t si = { 0 }; |
|
|
2646 | |
|
|
2647 | if (SvOK (siginfo)) |
|
|
2648 | { |
|
|
2649 | HV *hv; |
|
|
2650 | SV **svp; |
|
|
2651 | |
|
|
2652 | if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV) |
|
|
2653 | croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught"); |
|
|
2654 | |
|
|
2655 | hv = (HV *)SvRV (siginfo); |
|
|
2656 | |
|
|
2657 | if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp); |
|
|
2658 | if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp); |
|
|
2659 | if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp); |
|
|
2660 | if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp); |
|
|
2661 | if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp); |
|
|
2662 | } |
|
|
2663 | |
|
|
2664 | /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/ |
|
|
2665 | res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags); |
|
|
2666 | |
|
|
2667 | XPUSHs (sv_2mortal (newSViv (res))); |
|
|
2668 | } |
|
|
2669 | |
|
|
2670 | void |
|
|
2671 | pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0) |
|
|
2672 | PPCODE: |
|
|
2673 | { |
|
|
2674 | /*GENDEF0_SYSCALL(pidfd_getfd,438)*/ |
|
|
2675 | int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags); |
|
|
2676 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2677 | } |
|
|
2678 | |
|
|
2679 | void |
2604 | eventfd (unsigned int initval = 0, int flags = 0) |
2680 | eventfd (unsigned int initval = 0, int flags = 0) |
2605 | PPCODE: |
2681 | PPCODE: |
2606 | { |
2682 | { |
2607 | int fd; |
2683 | int fd; |
2608 | #if HAVE_EVENTFD |
2684 | #if HAVE_EVENTFD |
… | |
… | |
2727 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2803 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2728 | XSRETURN_YES; |
2804 | XSRETURN_YES; |
2729 | |
2805 | |
2730 | if (errno == EPERM) |
2806 | if (errno == EPERM) |
2731 | { |
2807 | { |
2732 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
2808 | /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
2733 | /* our limit overflows a system-wide limit */ |
2809 | /* our limit overflows a system-wide limit */ |
2734 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
2810 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
2735 | rl.rlim_max = 0; |
2811 | rl.rlim_max = 0; |
2736 | for (bit = 0x40000000U; bit; bit >>= 1) |
2812 | for (bit = 0x40000000U; bit; bit >>= 1) |
2737 | { |
2813 | { |