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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.282 by root, Wed Feb 26 15:49:25 2020 UTC vs.
Revision 1.300 by root, Wed Sep 28 08:24:25 2022 UTC

… …
18#include <sys/socket.h> 18#include <sys/socket.h>
19#include <sys/stat.h> 19#include <sys/stat.h>
20#include <limits.h> 20#include <limits.h>
21#include <fcntl.h> 21#include <fcntl.h>
22#include <sched.h> 22#include <sched.h>
23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37 23
38/* perl namespace pollution */ 24/* perl namespace pollution */
39#undef VERSION 25#undef VERSION
40 26
41/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
… …
84 70
85#else 71#else
86 72
87 #include <sys/time.h> 73 #include <sys/time.h>
88 #include <sys/select.h> 74 #include <sys/select.h>
75 #include <sys/wait.h>
89 #include <unistd.h> 76 #include <unistd.h>
90 #include <utime.h> 77 #include <utime.h>
91 #include <signal.h> 78 #include <signal.h>
92 79
93 #define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
… …
119# include <sys/mman.h> 106# include <sys/mman.h>
120#endif 107#endif
121 108
122#if HAVE_SYS_UIO_H 109#if HAVE_SYS_UIO_H
123# include <sys/uio.h> 110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
124#endif 133#endif
125 134
126#if HAVE_ST_XTIMENSEC 135#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec 136# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec 137# define MTIMENSEC PL_statcache.st_mtimensec
… …
168 #include <sys/time.h> 177 #include <sys/time.h>
169 #include <sys/resource.h> 178 #include <sys/resource.h>
170#endif 179#endif
171 180
172typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
173typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
174typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
175 186
176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
177 188
… …
226 237
227#if PAGESIZE <= 0 238#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif 240#endif
230 241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
251#endif
252
231/*****************************************************************************/ 253/*****************************************************************************/
232 254
233#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) 256# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS () 257# define munmap(addr,length) EIO_ENOSYS ()
… …
344 int count = req->int3; 366 int count = req->int3;
345 367
346 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
347 369
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
350 if (count < 0) 372 if (count < 0)
351 count = 8; 373 count = 8;
352 374
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM; 376 errno = ENOMEM;
… …
407 429
408 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 { 431 {
410 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
411 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
412 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
413 goto done; 437 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416 438
417 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done; 440 goto done;
419 441
420 } 442 }
… …
1081 return ts->tv_sec + ts->tv_nsec * 1e-9; 1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082} 1104}
1083 1105
1084/*****************************************************************************/ 1106/*****************************************************************************/
1085 1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak ("%s", croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
1131 return vecp;
1132}
1133
1134/*****************************************************************************/
1135
1086XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
1087 1137
1088MODULE = IO::AIO PACKAGE = IO::AIO 1138MODULE = IO::AIO PACKAGE = IO::AIO
1089 1139
1090PROTOTYPES: ENABLE 1140PROTOTYPES: ENABLE
… …
1191 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK) 1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1196 1250
1197 const_iv (MREMAP_MAYMOVE) 1251 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED) 1252 const_iv (MREMAP_FIXED)
1199 1253
1200 const_iv (MSG_CMSG_CLOEXEC) 1254 const_iv (MSG_CMSG_CLOEXEC)
… …
1222 1276
1223 const_iv (FS_IOC_GETFLAGS) 1277 const_iv (FS_IOC_GETFLAGS)
1224 const_iv (FS_IOC_SETFLAGS) 1278 const_iv (FS_IOC_SETFLAGS)
1225 const_iv (FS_IOC_GETVERSION) 1279 const_iv (FS_IOC_GETVERSION)
1226 const_iv (FS_IOC_SETVERSION) 1280 const_iv (FS_IOC_SETVERSION)
1281#if HAVE_FIEMAP /* broken on musl for, like, foreever */
1227 const_iv (FS_IOC_FIEMAP) 1282 const_iv (FS_IOC_FIEMAP)
1283#endif
1228 const_iv (FS_IOC_FSGETXATTR) 1284 const_iv (FS_IOC_FSGETXATTR)
1229 const_iv (FS_IOC_FSSETXATTR) 1285 const_iv (FS_IOC_FSSETXATTR)
1230 const_iv (FS_IOC_SET_ENCRYPTION_POLICY) 1286 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1231 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) 1287 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1232 const_iv (FS_IOC_GET_ENCRYPTION_POLICY) 1288 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
… …
1295 const_iv (EFD_SEMAPHORE) 1351 const_iv (EFD_SEMAPHORE)
1296 1352
1297 const_iv (MFD_CLOEXEC) 1353 const_iv (MFD_CLOEXEC)
1298 const_iv (MFD_ALLOW_SEALING) 1354 const_iv (MFD_ALLOW_SEALING)
1299 const_iv (MFD_HUGETLB) 1355 const_iv (MFD_HUGETLB)
1356 const_iv (MFD_HUGETLB_2MB)
1357 const_iv (MFD_HUGETLB_1GB)
1300 1358
1301 const_iv (CLOCK_REALTIME) 1359 const_iv (CLOCK_REALTIME)
1302 const_iv (CLOCK_MONOTONIC) 1360 const_iv (CLOCK_MONOTONIC)
1303 const_iv (CLOCK_BOOTTIME) 1361 const_iv (CLOCK_BOOTTIME)
1304 const_iv (CLOCK_REALTIME_ALARM) 1362 const_iv (CLOCK_REALTIME_ALARM)
… …
1329 const_iv (STATX_ATTR_APPEND) 1387 const_iv (STATX_ATTR_APPEND)
1330 const_iv (STATX_ATTR_NODUMP) 1388 const_iv (STATX_ATTR_NODUMP)
1331 const_iv (STATX_ATTR_ENCRYPTED) 1389 const_iv (STATX_ATTR_ENCRYPTED)
1332 const_iv (STATX_ATTR_AUTOMOUNT) 1390 const_iv (STATX_ATTR_AUTOMOUNT)
1333 1391
1392 const_iv (AT_FDCWD)
1393 const_iv (AT_SYMLINK_NOFOLLOW)
1394 const_iv (AT_EACCESS)
1395 const_iv (AT_REMOVEDIR)
1396 const_iv (AT_SYMLINK_FOLLOW)
1397 const_iv (AT_NO_AUTOMOUNT)
1398 const_iv (AT_EMPTY_PATH)
1399 const_iv (AT_STATX_SYNC_TYPE)
1400 const_iv (AT_STATX_AS_STAT)
1401 const_iv (AT_STATX_FORCE_SYNC)
1402 const_iv (AT_STATX_DONT_SYNC)
1403 const_iv (AT_RECURSIVE)
1404
1405 const_iv (OPEN_TREE_CLONE)
1406
1407 const_iv (FSOPEN_CLOEXEC)
1408
1409 const_iv (FSPICK_CLOEXEC)
1410 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1411 const_iv (FSPICK_NO_AUTOMOUNT)
1412 const_iv (FSPICK_EMPTY_PATH)
1413
1414 const_iv (MOVE_MOUNT_F_SYMLINKS)
1415 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1416 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1417 const_iv (MOVE_MOUNT_T_SYMLINKS)
1418 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1419 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1420
1421 /* waitid */
1422 const_iv (P_PID)
1423 const_iv (P_PIDFD)
1424 const_iv (P_PGID)
1425 const_iv (P_ALL)
1426
1427 const_iv (FSCONFIG_SET_FLAG)
1428 const_iv (FSCONFIG_SET_STRING)
1429 const_iv (FSCONFIG_SET_BINARY)
1430 const_iv (FSCONFIG_SET_PATH)
1431 const_iv (FSCONFIG_SET_PATH_EMPTY)
1432 const_iv (FSCONFIG_SET_FD)
1433 const_iv (FSCONFIG_CMD_CREATE)
1434 const_iv (FSCONFIG_CMD_RECONFIGURE)
1435
1436 const_iv (MOUNT_ATTR_RDONLY)
1437 const_iv (MOUNT_ATTR_NOSUID)
1438 const_iv (MOUNT_ATTR_NODEV)
1439 const_iv (MOUNT_ATTR_NOEXEC)
1440 const_iv (MOUNT_ATTR__ATIME)
1441 const_iv (MOUNT_ATTR_RELATIME)
1442 const_iv (MOUNT_ATTR_NOATIME)
1443 const_iv (MOUNT_ATTR_STRICTATIME)
1444 const_iv (MOUNT_ATTR_NODIRATIME)
1445
1446 /* sys/mount.h */
1447 const_iv (MS_RDONLY)
1448 const_iv (MS_NOSUID)
1449 const_iv (MS_NODEV)
1450 const_iv (MS_NOEXEC)
1451 const_iv (MS_SYNCHRONOUS)
1452 const_iv (MS_REMOUNT)
1453 const_iv (MS_MANDLOCK)
1454 const_iv (MS_DIRSYNC)
1455 const_iv (MS_NOATIME)
1456 const_iv (MS_NODIRATIME)
1457 const_iv (MS_BIND)
1458 const_iv (MS_MOVE)
1459 const_iv (MS_REC)
1460 const_iv (MS_SILENT)
1461 const_iv (MS_POSIXACL)
1462 const_iv (MS_UNBINDABLE)
1463 const_iv (MS_PRIVATE)
1464 const_iv (MS_SLAVE)
1465 const_iv (MS_SHARED)
1466 const_iv (MS_RELATIME)
1467 const_iv (MS_KERNMOUNT)
1468 const_iv (MS_I_VERSION)
1469 const_iv (MS_STRICTATIME)
1470 const_iv (MS_LAZYTIME)
1471 const_iv (MS_ACTIVE)
1472 const_iv (MS_NOUSER)
1473 const_iv (MS_RMT_MASK)
1474 const_iv (MS_MGC_VAL)
1475 const_iv (MS_MGC_MSK)
1476
1477 const_iv (MNT_FORCE)
1478 const_iv (MNT_DETACH)
1479 const_iv (MNT_EXPIRE)
1480 const_iv (UMOUNT_NOFOLLOW)
1481
1482 const_iv (BLKROSET)
1483 const_iv (BLKROGET)
1484 const_iv (BLKRRPART)
1485 const_iv (BLKGETSIZE)
1486 const_iv (BLKFLSBUF)
1487 const_iv (BLKRASET)
1488 const_iv (BLKRAGET)
1489 const_iv (BLKFRASET)
1490 const_iv (BLKFRAGET)
1491 const_iv (BLKSECTSET)
1492 const_iv (BLKSECTGET)
1493 const_iv (BLKSSZGET)
1494 const_iv (BLKBSZGET)
1495 const_iv (BLKBSZSET)
1496 const_iv (BLKGETSIZE64)
1497
1334 /* these are libeio constants, and are independent of gendef0 */ 1498 /* these are libeio constants, and are independent of gendef0 */
1335 const_eio (SEEK_SET) 1499 const_eio (SEEK_SET)
1336 const_eio (SEEK_CUR) 1500 const_eio (SEEK_CUR)
1337 const_eio (SEEK_END) 1501 const_eio (SEEK_END)
1338 1502
… …
2599 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2763 PUSHs (newmortalFH (fd[1], O_WRONLY));
2600 } 2764 }
2601} 2765}
2602 2766
2603void 2767void
2768pidfd_open (int pid, unsigned int flags = 0)
2769 PPCODE:
2770{
2771 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2772 int fd = syscall (SYS_pidfd_open, pid, flags);
2773 XPUSHs (newmortalFH (fd, O_RDWR));
2774}
2775
2776int
2777pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2778 PPCODE:
2779{
2780 int res;
2781#if HAVE_SIGINFO_T
2782 siginfo_t si = { 0 };
2783
2784 if (SvOK (siginfo))
2785 {
2786 HV *hv;
2787 SV **svp;
2788
2789 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2790 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2791
2792 hv = (HV *)SvRV (siginfo);
2793
2794 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2797 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2798 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2799 }
2800
2801 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2802 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2803#else
2804 res = (errno = ENOSYS, -1);
2805#endif
2806
2807 XPUSHs (sv_2mortal (newSViv (res)));
2808}
2809
2810void
2811pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2812 PPCODE:
2813{
2814 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2815 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2816 XPUSHs (newmortalFH (fd, O_RDWR));
2817}
2818
2819void
2604eventfd (unsigned int initval = 0, int flags = 0) 2820eventfd (unsigned int initval = 0, int flags = 0)
2605 PPCODE: 2821 PPCODE:
2606{ 2822{
2607 int fd; 2823 int fd;
2608#if HAVE_EVENTFD 2824#if HAVE_EVENTFD
… …
2672 errno = ENOSYS; 2888 errno = ENOSYS;
2673#endif 2889#endif
2674} 2890}
2675 2891
2676void 2892void
2677memfd_create (SV8 *pathname, int flags = 0) 2893memfd_create (octet_string pathname, int flags = 0)
2678 PPCODE: 2894 PPCODE:
2679{ 2895{
2680 int fd; 2896 int fd;
2681#if HAVE_MEMFD_CREATE 2897#if HAVE_MEMFD_CREATE
2682 fd = memfd_create (SvPVbyte_nolen (pathname), flags); 2898 fd = memfd_create (pathname, flags);
2683#else 2899#else
2684 fd = (errno = ENOSYS, -1); 2900 fd = (errno = ENOSYS, -1);
2685#endif 2901#endif
2686 2902
2687 XPUSHs (newmortalFH (fd, O_RDWR)); 2903 XPUSHs (newmortalFH (fd, O_RDWR));
2688} 2904}
2905
2906int
2907fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2908 CODE:
2909{
2910 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2911 char **envp, **argv;
2912 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2913 if (!SvOK (envs))
2914 {
2915 extern char **environ;
2916 envp = environ;
2917 }
2918 else
2919 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2920#if HAVE_FEXECVE
2921 RETVAL = fexecve (fd, argv, envp);
2922#else
2923 RETVAL = (errno = ENOSYS, -1);
2924#endif
2925}
2926 OUTPUT: RETVAL
2927
2928int
2929mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2930 CODE:
2931#if HAVE_MOUNT
2932 RETVAL = mount (special, path, fstype, flags, data);
2933#else
2934 RETVAL = (errno = ENOSYS, -1);
2935#endif
2936 OUTPUT: RETVAL
2937
2938int
2939umount (octet_string path, int flags = 0)
2940 CODE:
2941 if (flags)
2942#if HAVE_UMOUNT2
2943 RETVAL = umount2 (path, flags);
2944#else
2945 RETVAL = (errno = ENOSYS, -1);
2946#endif
2947 else
2948#if HAVE_UMOUNT
2949 RETVAL = umount (path);
2950#else
2951 RETVAL = (errno = ENOSYS, -1);
2952#endif
2953 OUTPUT: RETVAL
2689 2954
2690UV 2955UV
2691get_fdlimit () 2956get_fdlimit ()
2692 CODE: 2957 CODE:
2693#if HAVE_RLIMITS 2958#if HAVE_RLIMITS

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