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/cvs/IO-AIO/AIO.xs
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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.275 by root, Mon Mar 18 23:52:09 2019 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 2020 UTC

… …
84 84
85#else 85#else
86 86
87 #include <sys/time.h> 87 #include <sys/time.h>
88 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
89 #include <unistd.h> 90 #include <unistd.h>
90 #include <utime.h> 91 #include <utime.h>
91 #include <signal.h> 92 #include <signal.h>
92 93
93 #define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
… …
226 227
227#if PAGESIZE <= 0 228#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif 230#endif
230 231
232#if HAVE_SYSCALL
233#include <sys/syscall.h>
234#else
235# define syscall(nr,...) (errno = ENOSYS, -1)
236#endif
237
231/*****************************************************************************/ 238/*****************************************************************************/
232 239
233#if !_POSIX_MAPPED_FILES 240#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 241# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS () 242# define munmap(addr,length) EIO_ENOSYS ()
… …
344 int count = req->int3; 351 int count = req->int3;
345 352
346 req->flags |= EIO_FLAG_PTR1_FREE; 353 req->flags |= EIO_FLAG_PTR1_FREE;
347 354
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 355 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */ 356 /* increase in fixed steps */
350 if (count < 0) 357 if (count < 0)
351 count = 8; 358 count = 8;
352 359
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 360 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM; 361 errno = ENOMEM;
… …
407 414
408 for (count = 0; count < incmap->fm_mapped_extents; ++count) 415 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 { 416 {
410 struct fiemap_extent *e = incmap->fm_extents + count; 417 struct fiemap_extent *e = incmap->fm_extents + count;
411 418
419 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
420
412 if (e->fe_logical + e->fe_length >= end_offset) 421 if (e->fe_logical >= end_offset)
413 goto done; 422 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416 423
417 if (e->fe_flags & FIEMAP_EXTENT_LAST) 424 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done; 425 goto done;
419 426
420 } 427 }
… …
1195 const_iv (MAP_STACK) 1202 const_iv (MAP_STACK)
1196 1203
1197 const_iv (MREMAP_MAYMOVE) 1204 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED) 1205 const_iv (MREMAP_FIXED)
1199 1206
1200 const_iv (F_DUPFD_CLOEXEC)
1201
1202 const_iv (MSG_CMSG_CLOEXEC) 1207 const_iv (MSG_CMSG_CLOEXEC)
1203 const_iv (SOCK_CLOEXEC) 1208 const_iv (SOCK_CLOEXEC)
1209
1210 const_iv (F_DUPFD_CLOEXEC)
1211
1212 const_iv (F_ADD_SEALS)
1213 const_iv (F_GET_SEALS)
1214 const_iv (F_SEAL_SEAL)
1215 const_iv (F_SEAL_SHRINK)
1216 const_iv (F_SEAL_GROW)
1217 const_iv (F_SEAL_WRITE)
1204 1218
1205 const_iv (F_OFD_GETLK) 1219 const_iv (F_OFD_GETLK)
1206 const_iv (F_OFD_SETLK) 1220 const_iv (F_OFD_SETLK)
1207 const_iv (F_OFD_GETLKW) 1221 const_iv (F_OFD_GETLKW)
1208 1222
… …
1284 const_iv (SPLICE_F_GIFT) 1298 const_iv (SPLICE_F_GIFT)
1285 1299
1286 const_iv (EFD_CLOEXEC) 1300 const_iv (EFD_CLOEXEC)
1287 const_iv (EFD_NONBLOCK) 1301 const_iv (EFD_NONBLOCK)
1288 const_iv (EFD_SEMAPHORE) 1302 const_iv (EFD_SEMAPHORE)
1303
1304 const_iv (MFD_CLOEXEC)
1305 const_iv (MFD_ALLOW_SEALING)
1306 const_iv (MFD_HUGETLB)
1289 1307
1290 const_iv (CLOCK_REALTIME) 1308 const_iv (CLOCK_REALTIME)
1291 const_iv (CLOCK_MONOTONIC) 1309 const_iv (CLOCK_MONOTONIC)
1292 const_iv (CLOCK_BOOTTIME) 1310 const_iv (CLOCK_BOOTTIME)
1293 const_iv (CLOCK_REALTIME_ALARM) 1311 const_iv (CLOCK_REALTIME_ALARM)
… …
1318 const_iv (STATX_ATTR_APPEND) 1336 const_iv (STATX_ATTR_APPEND)
1319 const_iv (STATX_ATTR_NODUMP) 1337 const_iv (STATX_ATTR_NODUMP)
1320 const_iv (STATX_ATTR_ENCRYPTED) 1338 const_iv (STATX_ATTR_ENCRYPTED)
1321 const_iv (STATX_ATTR_AUTOMOUNT) 1339 const_iv (STATX_ATTR_AUTOMOUNT)
1322 1340
1341 const_iv (AT_FDCWD)
1342 const_iv (AT_SYMLINK_NOFOLLOW)
1343 const_iv (AT_EACCESS)
1344 const_iv (AT_REMOVEDIR)
1345 const_iv (AT_SYMLINK_FOLLOW)
1346 const_iv (AT_NO_AUTOMOUNT)
1347 const_iv (AT_EMPTY_PATH)
1348 const_iv (AT_STATX_SYNC_TYPE)
1349 const_iv (AT_STATX_AS_STAT)
1350 const_iv (AT_STATX_FORCE_SYNC)
1351 const_iv (AT_STATX_DONT_SYNC)
1352 const_iv (AT_RECURSIVE)
1353
1354 const_iv (OPEN_TREE_CLONE)
1355
1356 const_iv (FSOPEN_CLOEXEC)
1357
1358 const_iv (FSPICK_CLOEXEC)
1359 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1360 const_iv (FSPICK_NO_AUTOMOUNT)
1361 const_iv (FSPICK_EMPTY_PATH)
1362
1363 const_iv (MOVE_MOUNT_F_SYMLINKS)
1364 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1365 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1366 const_iv (MOVE_MOUNT_T_SYMLINKS)
1367 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1368 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1369
1370 /* waitid */
1371 const_iv (P_PID)
1372 const_iv (P_PIDFD)
1373 const_iv (P_PGID)
1374 const_iv (P_ALL)
1375
1323 /* these are libeio constants, and are independent of gendef0 */ 1376 /* these are libeio constants, and are independent of gendef0 */
1324 const_eio (SEEK_SET) 1377 const_eio (SEEK_SET)
1325 const_eio (SEEK_CUR) 1378 const_eio (SEEK_CUR)
1326 const_eio (SEEK_END) 1379 const_eio (SEEK_END)
1327 1380
… …
2484 RETVAL = 0; 2537 RETVAL = 0;
2485#endif 2538#endif
2486 OUTPUT: 2539 OUTPUT:
2487 RETVAL 2540 RETVAL
2488 2541
2489int 2542void
2543accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2544 PPCODE:
2545{
2546 SV *retval;
2547#if HAVE_ACCEPT4
2548 socklen_t salen_ = salen ? salen + 1 : 0;
2549
2550 if (salen)
2551 {
2552 sv_upgrade (sockaddr, SVt_PV);
2553 sv_grow (sockaddr, salen_);
2554 }
2555
2556 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2557
2558 retval = newmortalFH (res, O_RDWR);
2559
2560 if (res >= 0 && salen > 0)
2561 {
2562 if (salen_ > salen + 1)
2563 salen_ = salen + 1;
2564
2565 SvPOK_only (sockaddr);
2566 SvCUR_set (sockaddr, salen_);
2567 }
2568#else
2569 errno = ENOSYS;
2570 retval = &PL_sv_undef;
2571#endif
2572 XPUSHs (retval);
2573}
2574
2575ssize_t
2490splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2576splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2491 CODE: 2577 CODE:
2492{ 2578{
2493#if HAVE_LINUX_SPLICE 2579#if HAVE_LINUX_SPLICE
2494 loff_t off_in_, off_out_; 2580 loff_t off_in_, off_out_;
… …
2502#endif 2588#endif
2503} 2589}
2504 OUTPUT: 2590 OUTPUT:
2505 RETVAL 2591 RETVAL
2506 2592
2507int 2593ssize_t
2508tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2594tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2509 CODE: 2595 CODE:
2510#if HAVE_LINUX_SPLICE 2596#if HAVE_LINUX_SPLICE
2511 RETVAL = tee (rfh, wfh, length, flags); 2597 RETVAL = tee (rfh, wfh, length, flags);
2512#else 2598#else
… …
2555 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2641 PUSHs (newmortalFH (fd[1], O_WRONLY));
2556 } 2642 }
2557} 2643}
2558 2644
2559void 2645void
2646pidfd_open (int pid, unsigned int flags = 0)
2647 PPCODE:
2648{
2649 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2650 int fd = syscall (SYS_pidfd_open, pid, flags);
2651 XPUSHs (newmortalFH (fd, O_RDWR));
2652}
2653
2654int
2655pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2656 PPCODE:
2657{
2658 int res;
2659 siginfo_t si = { 0 };
2660
2661 if (SvOK (siginfo))
2662 {
2663 HV *hv;
2664 SV **svp;
2665
2666 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2667 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2668
2669 hv = (HV *)SvRV (siginfo);
2670
2671 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2672 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2673 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2674 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2675 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2676 }
2677
2678 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2679 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2680
2681 XPUSHs (sv_2mortal (newSViv (res)));
2682}
2683
2684void
2685pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2689 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2690 XPUSHs (newmortalFH (fd, O_RDWR));
2691}
2692
2693void
2560eventfd (unsigned int initval = 0, int flags = 0) 2694eventfd (unsigned int initval = 0, int flags = 0)
2561 PPCODE: 2695 PPCODE:
2562{ 2696{
2563 int fd; 2697 int fd;
2564#if HAVE_EVENTFD 2698#if HAVE_EVENTFD
… …
2627#else 2761#else
2628 errno = ENOSYS; 2762 errno = ENOSYS;
2629#endif 2763#endif
2630} 2764}
2631 2765
2766void
2767memfd_create (SV8 *pathname, int flags = 0)
2768 PPCODE:
2769{
2770 int fd;
2771#if HAVE_MEMFD_CREATE
2772 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2773#else
2774 fd = (errno = ENOSYS, -1);
2775#endif
2776
2777 XPUSHs (newmortalFH (fd, O_RDWR));
2778}
2779
2632UV 2780UV
2633get_fdlimit () 2781get_fdlimit ()
2634 CODE: 2782 CODE:
2635#if HAVE_RLIMITS 2783#if HAVE_RLIMITS
2636 struct rlimit rl; 2784 struct rlimit rl;
… …
2669 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2817 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2670 XSRETURN_YES; 2818 XSRETURN_YES;
2671 2819
2672 if (errno == EPERM) 2820 if (errno == EPERM)
2673 { 2821 {
2674 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2822 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2675 /* our limit overflows a system-wide limit */ 2823 /* our limit overflows a system-wide limit */
2676 /* try an adaptive algorithm, but do not lower the hardlimit */ 2824 /* try an adaptive algorithm, but do not lower the hardlimit */
2677 rl.rlim_max = 0; 2825 rl.rlim_max = 0;
2678 for (bit = 0x40000000U; bit; bit >>= 1) 2826 for (bit = 0x40000000U; bit; bit >>= 1)
2679 { 2827 {
2680 rl.rlim_max |= bit; 2828 rl.rlim_max |= bit;
2681 rl.rlim_cur = rl.rlim_max; 2829 rl.rlim_cur = rl.rlim_max;
2682 2830
2683 /* nevr decrease the hard limit */ 2831 /* never decrease the hard limit */
2684 if (rl.rlim_max < orig_rlim_max) 2832 if (rl.rlim_max < orig_rlim_max)
2685 break; 2833 break;
2686 2834
2687 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2835 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2688 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2836 rl.rlim_max &= ~bit; /* too high, remove bit again */

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