| 1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
| 2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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| 3 | |
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| 4 | #if __linux && !defined(_GNU_SOURCE) |
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| 5 | # define _GNU_SOURCE |
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| 6 | #endif |
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| 7 | |
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| 8 | /* just in case */ |
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| 9 | #define _REENTRANT 1 |
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| 10 | |
2 | |
| 11 | #include <errno.h> |
3 | #include <errno.h> |
| 12 | |
4 | |
| 13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
| 14 | #include "perl.h" |
6 | #include "perl.h" |
| 15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
| 16 | |
8 | |
| 17 | #include "autoconf/config.h" |
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| 18 | |
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| 19 | #include <pthread.h> |
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| 20 | |
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| 21 | #include <stddef.h> |
9 | #include <stddef.h> |
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10 | #include <stdlib.h> |
| 22 | #include <errno.h> |
11 | #include <errno.h> |
| 23 | #include <sys/time.h> |
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| 24 | #include <sys/select.h> |
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| 25 | #include <sys/types.h> |
12 | #include <sys/types.h> |
| 26 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
| 27 | #include <limits.h> |
14 | #include <limits.h> |
| 28 | #include <unistd.h> |
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| 29 | #include <fcntl.h> |
15 | #include <fcntl.h> |
| 30 | #include <signal.h> |
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| 31 | #include <sched.h> |
16 | #include <sched.h> |
| 32 | |
17 | |
| 33 | #if HAVE_SENDFILE |
18 | /* perl namespace pollution */ |
| 34 | # if __linux |
19 | #undef VERSION |
| 35 | # include <sys/sendfile.h> |
20 | |
| 36 | # elif __freebsd |
21 | #ifdef _WIN32 |
| 37 | # include <sys/socket.h> |
22 | |
| 38 | # include <sys/uio.h> |
23 | # define EIO_STRUCT_DIRENT Direntry_t |
| 39 | # elif __hpux |
24 | # undef malloc |
| 40 | # include <sys/socket.h> |
25 | # undef free |
| 41 | # elif __solaris /* not yet */ |
26 | |
| 42 | # include <sys/sendfile.h> |
27 | // perl overrides all those nice win32 functions |
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28 | # undef open |
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29 | # undef read |
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30 | # undef write |
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31 | # undef send |
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32 | # undef recv |
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33 | # undef stat |
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34 | # undef fstat |
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35 | # define lstat stat |
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36 | # undef truncate |
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37 | # undef ftruncate |
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38 | # undef open |
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39 | # undef close |
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40 | # undef unlink |
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41 | # undef rmdir |
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42 | # undef rename |
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43 | # undef lseek |
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44 | |
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45 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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46 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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47 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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48 | # define symlink(a,b) (errno = ENOSYS, -1) |
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49 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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50 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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51 | # define truncate(a,b) (errno = ENOSYS, -1) |
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52 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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53 | # define fsync(fd) _commit (fd) |
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54 | # define opendir(fd) (errno = ENOSYS, 0) |
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55 | # define readdir(fd) (errno = ENOSYS, -1) |
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56 | # define closedir(fd) (errno = ENOSYS, -1) |
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57 | # define mkdir(a,b) mkdir (a) |
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58 | |
| 43 | # else |
59 | #else |
| 44 | # error sendfile support requested but not available |
60 | |
| 45 | # endif |
61 | # include <sys/time.h> |
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62 | # include <sys/select.h> |
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63 | # include <unistd.h> |
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64 | # include <utime.h> |
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65 | # include <signal.h> |
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66 | # define EIO_STRUCT_DIRENT struct dirent |
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67 | |
| 46 | #endif |
68 | #endif |
| 47 | |
69 | |
| 48 | /* used for struct dirent, AIX doesn't provide it */ |
70 | #define EIO_STRUCT_STAT Stat_t |
| 49 | #ifndef NAME_MAX |
71 | |
| 50 | # define NAME_MAX 4096 |
72 | /* use NV for 32 bit perls as it allows larger offsets */ |
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73 | #if IVSIZE >= 8 |
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74 | # define SvVAL64 SvIV |
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75 | #else |
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76 | # define SvVAL64 SvNV |
| 51 | #endif |
77 | #endif |
| 52 | |
78 | |
| 53 | #ifndef PTHREAD_STACK_MIN |
79 | static HV *stash; |
| 54 | /* care for broken platforms, e.g. windows */ |
80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
| 55 | # define PTHREAD_STACK_MIN 16384 |
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| 56 | #endif |
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| 57 | |
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| 58 | #if __ia64 |
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| 59 | # define STACKSIZE 65536 |
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| 60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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| 61 | # define STACKSIZE PTHREAD_STACK_MIN |
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| 62 | #else |
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| 63 | # define STACKSIZE 16384 |
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| 64 | #endif |
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| 65 | |
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| 66 | /* wether word reads are potentially non-atomic. |
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| 67 | * this is conservatice, likely most arches this runs |
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| 68 | * on have atomic word read/writes. |
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| 69 | */ |
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| 70 | #ifndef WORDREAD_UNSAFE |
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| 71 | # if __i386 || __x86_64 |
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| 72 | # define WORDREAD_UNSAFE 0 |
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| 73 | # else |
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| 74 | # define WORDREAD_UNSAFE 1 |
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| 75 | # endif |
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| 76 | #endif |
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| 77 | |
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| 78 | /* buffer size for various temporary buffers */ |
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| 79 | #define AIO_BUFSIZE 65536 |
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| 80 | |
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| 81 | #define dBUF \ |
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| 82 | char *aio_buf; \ |
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| 83 | LOCK (wrklock); \ |
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| 84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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| 85 | UNLOCK (wrklock); \ |
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| 86 | if (!aio_buf) \ |
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| 87 | return -1; |
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| 88 | |
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| 89 | enum { |
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| 90 | REQ_QUIT, |
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| 91 | REQ_OPEN, REQ_CLOSE, |
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| 92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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| 93 | REQ_SENDFILE, |
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| 94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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| 95 | REQ_FSYNC, REQ_FDATASYNC, |
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| 96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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| 97 | REQ_READDIR, |
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| 98 | REQ_LINK, REQ_SYMLINK, |
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| 99 | REQ_GROUP, REQ_NOP, |
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| 100 | REQ_BUSY, |
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| 101 | }; |
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| 102 | |
81 | |
| 103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
| 104 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
| 105 | |
84 | |
| 106 | typedef struct aio_cb |
85 | #define EIO_REQ_MEMBERS \ |
| 107 | { |
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| 108 | struct aio_cb *volatile next; |
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| 109 | |
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| 110 | SV *data, *callback; |
86 | SV *callback; \ |
| 111 | SV *fh, *fh2; |
87 | SV *sv1, *sv2; \ |
| 112 | void *dataptr, *data2ptr; |
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| 113 | Stat_t *statdata; |
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| 114 | off_t offset; |
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| 115 | size_t length; |
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| 116 | ssize_t result; |
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| 117 | |
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| 118 | STRLEN dataoffset; |
88 | STRLEN stroffset; \ |
| 119 | int type; |
89 | SV *self; |
| 120 | int fd, fd2; |
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| 121 | int errorno; |
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| 122 | mode_t mode; /* open */ |
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| 123 | |
90 | |
| 124 | unsigned char flags; |
91 | #include "libeio/eio.h" |
| 125 | unsigned char pri; |
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| 126 | |
92 | |
| 127 | SV *self; /* the perl counterpart of this request, if any */ |
93 | static int req_invoke (eio_req *req); |
| 128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
94 | #define EIO_FINISH(req) req_invoke (req) |
| 129 | } aio_cb; |
95 | static void aio_grp_feed (eio_req *grp); |
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96 | #define EIO_FEED(req) aio_grp_feed (req) |
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97 | static void req_destroy (eio_req *grp); |
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98 | #define EIO_DESTROY(req) req_destroy (req) |
| 130 | |
99 | |
| 131 | enum { |
100 | enum { |
| 132 | FLAG_CANCELLED = 0x01, |
101 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
| 133 | }; |
102 | }; |
| 134 | |
103 | |
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104 | #include "libeio/eio.c" |
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105 | |
| 135 | typedef aio_cb *aio_req; |
106 | typedef eio_req *aio_req; |
| 136 | typedef aio_cb *aio_req_ornot; |
107 | typedef eio_req *aio_req_ornot; |
| 137 | |
108 | |
| 138 | enum { |
109 | static SV *on_next_submit; |
| 139 | PRI_MIN = -4, |
110 | static int next_pri = EIO_PRI_DEFAULT; |
| 140 | PRI_MAX = 4, |
111 | static int max_outstanding; |
| 141 | |
112 | |
| 142 | DEFAULT_PRI = 0, |
113 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
| 143 | PRI_BIAS = -PRI_MIN, |
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| 144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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| 145 | }; |
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| 146 | |
114 | |
| 147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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| 148 | |
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| 149 | static unsigned int started, wanted; |
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| 150 | static volatile unsigned int nreqs, nready, npending; |
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| 151 | static volatile unsigned int max_outstanding = 0xffffffff; |
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| 152 | static int respipe [2]; |
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| 153 | |
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| 154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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| 155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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| 156 | #else |
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| 157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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| 158 | #endif |
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| 159 | |
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| 160 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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| 161 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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| 162 | |
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| 163 | /* worker threads management */ |
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| 164 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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| 165 | |
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| 166 | typedef struct worker { |
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| 167 | /* locked by wrklock */ |
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| 168 | struct worker *prev, *next; |
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| 169 | |
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| 170 | pthread_t tid; |
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| 171 | |
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| 172 | /* locked by reslock, reqlock or wrklock */ |
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| 173 | aio_req req; /* currently processed request */ |
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| 174 | void *dbuf; |
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| 175 | DIR *dirp; |
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| 176 | } worker; |
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| 177 | |
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| 178 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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| 179 | |
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| 180 | static void worker_clear (worker *wrk) |
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| 181 | { |
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| 182 | if (wrk->dirp) |
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| 183 | { |
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| 184 | closedir (wrk->dirp); |
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| 185 | wrk->dirp = 0; |
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| 186 | } |
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| 187 | |
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| 188 | if (wrk->dbuf) |
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| 189 | { |
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| 190 | free (wrk->dbuf); |
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| 191 | wrk->dbuf = 0; |
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| 192 | } |
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| 193 | } |
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| 194 | |
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| 195 | static void worker_free (worker *wrk) |
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| 196 | { |
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| 197 | wrk->next->prev = wrk->prev; |
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| 198 | wrk->prev->next = wrk->next; |
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| 199 | |
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| 200 | free (wrk); |
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| 201 | } |
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| 202 | |
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| 203 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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| 204 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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| 205 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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| 206 | |
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| 207 | /* |
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| 208 | * a somewhat faster data structure might be nice, but |
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| 209 | * with 8 priorities this actually needs <20 insns |
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| 210 | * per shift, the most expensive operation. |
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| 211 | */ |
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| 212 | typedef struct { |
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| 213 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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| 214 | int size; |
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| 215 | } reqq; |
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| 216 | |
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| 217 | static reqq req_queue; |
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| 218 | static reqq res_queue; |
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| 219 | |
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| 220 | int reqq_push (reqq *q, aio_req req) |
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| 221 | { |
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| 222 | int pri = req->pri; |
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| 223 | req->next = 0; |
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| 224 | |
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| 225 | if (q->qe[pri]) |
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| 226 | { |
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| 227 | q->qe[pri]->next = req; |
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| 228 | q->qe[pri] = req; |
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| 229 | } |
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| 230 | else |
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| 231 | q->qe[pri] = q->qs[pri] = req; |
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| 232 | |
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| 233 | return q->size++; |
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| 234 | } |
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| 235 | |
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| 236 | aio_req reqq_shift (reqq *q) |
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| 237 | { |
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| 238 | int pri; |
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| 239 | |
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| 240 | if (!q->size) |
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| 241 | return 0; |
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| 242 | |
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| 243 | --q->size; |
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| 244 | |
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| 245 | for (pri = NUM_PRI; pri--; ) |
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| 246 | { |
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| 247 | aio_req req = q->qs[pri]; |
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| 248 | |
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| 249 | if (req) |
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| 250 | { |
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| 251 | if (!(q->qs[pri] = req->next)) |
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| 252 | q->qe[pri] = 0; |
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| 253 | |
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| 254 | return req; |
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| 255 | } |
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| 256 | } |
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| 257 | |
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| 258 | abort (); |
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| 259 | } |
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| 260 | |
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| 261 | static int poll_cb (int max); |
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| 262 | static void req_invoke (aio_req req); |
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| 263 | static void req_free (aio_req req); |
115 | static void req_destroy (aio_req req); |
| 264 | static void req_cancel (aio_req req); |
116 | static void req_cancel (aio_req req); |
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117 | |
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118 | static void want_poll (void) |
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119 | { |
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120 | /* write a dummy byte to the pipe so fh becomes ready */ |
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121 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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122 | } |
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123 | |
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124 | static void done_poll (void) |
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125 | { |
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126 | /* read any signals sent by the worker threads */ |
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127 | char buf [4]; |
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128 | while (respipe_read (respipe [0], buf, 4) == 4) |
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129 | ; |
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130 | } |
| 265 | |
131 | |
| 266 | /* must be called at most once */ |
132 | /* must be called at most once */ |
| 267 | static SV *req_sv (aio_req req, const char *klass) |
133 | static SV *req_sv (aio_req req, const char *klass) |
| 268 | { |
134 | { |
| 269 | if (!req->self) |
135 | if (!req->self) |
| … | |
… | |
| 287 | return mg ? (aio_req)mg->mg_ptr : 0; |
153 | return mg ? (aio_req)mg->mg_ptr : 0; |
| 288 | } |
154 | } |
| 289 | |
155 | |
| 290 | static void aio_grp_feed (aio_req grp) |
156 | static void aio_grp_feed (aio_req grp) |
| 291 | { |
157 | { |
| 292 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
158 | if (grp->sv2 && SvOK (grp->sv2)) |
| 293 | { |
159 | { |
| 294 | int old_len = grp->length; |
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| 295 | |
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| 296 | if (grp->fh2 && SvOK (grp->fh2)) |
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| 297 | { |
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| 298 | dSP; |
160 | dSP; |
| 299 | |
161 | |
| 300 | ENTER; |
162 | ENTER; |
| 301 | SAVETMPS; |
163 | SAVETMPS; |
| 302 | PUSHMARK (SP); |
164 | PUSHMARK (SP); |
| 303 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
165 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
| 304 | PUTBACK; |
166 | PUTBACK; |
| 305 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
167 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
| 306 | SPAGAIN; |
168 | SPAGAIN; |
| 307 | FREETMPS; |
169 | FREETMPS; |
| 308 | LEAVE; |
170 | LEAVE; |
| 309 | } |
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| 310 | |
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| 311 | /* stop if no progress has been made */ |
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| 312 | if (old_len == grp->length) |
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| 313 | { |
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| 314 | SvREFCNT_dec (grp->fh2); |
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| 315 | grp->fh2 = 0; |
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| 316 | break; |
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| 317 | } |
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| 318 | } |
171 | } |
| 319 | } |
172 | } |
| 320 | |
173 | |
| 321 | static void aio_grp_dec (aio_req grp) |
174 | static void req_submit (eio_req *req) |
| 322 | { |
175 | { |
| 323 | --grp->length; |
176 | eio_submit (req); |
| 324 | |
177 | |
| 325 | /* call feeder, if applicable */ |
178 | if (on_next_submit) |
| 326 | aio_grp_feed (grp); |
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| 327 | |
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| 328 | /* finish, if done */ |
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| 329 | if (!grp->length && grp->fd) |
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| 330 | { |
179 | { |
| 331 | req_invoke (grp); |
180 | dSP; |
| 332 | req_free (grp); |
181 | SV *cb = sv_2mortal (on_next_submit); |
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182 | |
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183 | on_next_submit = 0; |
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184 | |
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185 | PUSHMARK (SP); |
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186 | PUTBACK; |
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187 | call_sv (cb, G_DISCARD | G_EVAL); |
| 333 | } |
188 | } |
| 334 | } |
189 | } |
| 335 | |
190 | |
| 336 | static void poll_wait () |
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| 337 | { |
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| 338 | fd_set rfd; |
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| 339 | |
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| 340 | while (nreqs) |
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| 341 | { |
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| 342 | int size; |
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| 343 | if (WORDREAD_UNSAFE) LOCK (reslock); |
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| 344 | size = res_queue.size; |
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| 345 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
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| 346 | |
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| 347 | if (size) |
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| 348 | return; |
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| 349 | |
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| 350 | FD_ZERO(&rfd); |
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| 351 | FD_SET(respipe [0], &rfd); |
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| 352 | |
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| 353 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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| 354 | } |
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| 355 | } |
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| 356 | |
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| 357 | static void req_invoke (aio_req req) |
191 | static int req_invoke (eio_req *req) |
| 358 | { |
192 | { |
| 359 | dSP; |
193 | dSP; |
| 360 | |
194 | |
|
|
195 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
196 | SvREADONLY_off (req->sv2); |
|
|
197 | |
| 361 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
198 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
| 362 | { |
199 | { |
| 363 | ENTER; |
200 | ENTER; |
| 364 | SAVETMPS; |
201 | SAVETMPS; |
| 365 | PUSHMARK (SP); |
202 | PUSHMARK (SP); |
| 366 | EXTEND (SP, 1); |
203 | EXTEND (SP, 1); |
| 367 | |
204 | |
| 368 | switch (req->type) |
205 | switch (req->type) |
| 369 | { |
206 | { |
| 370 | case REQ_READDIR: |
207 | case EIO_READDIR: |
| 371 | { |
208 | { |
| 372 | SV *rv = &PL_sv_undef; |
209 | SV *rv = &PL_sv_undef; |
| 373 | |
210 | |
| 374 | if (req->result >= 0) |
211 | if (req->result >= 0) |
| 375 | { |
212 | { |
| 376 | int i; |
213 | int i; |
| 377 | char *buf = req->data2ptr; |
214 | char *buf = req->ptr2; |
| 378 | AV *av = newAV (); |
215 | AV *av = newAV (); |
| 379 | |
216 | |
| 380 | av_extend (av, req->result - 1); |
217 | av_extend (av, req->result - 1); |
| 381 | |
218 | |
| 382 | for (i = 0; i < req->result; ++i) |
219 | for (i = 0; i < req->result; ++i) |
| … | |
… | |
| 392 | |
229 | |
| 393 | PUSHs (rv); |
230 | PUSHs (rv); |
| 394 | } |
231 | } |
| 395 | break; |
232 | break; |
| 396 | |
233 | |
| 397 | case REQ_OPEN: |
234 | case EIO_OPEN: |
| 398 | { |
235 | { |
| 399 | /* convert fd to fh */ |
236 | /* convert fd to fh */ |
| 400 | SV *fh; |
237 | SV *fh = &PL_sv_undef; |
| 401 | |
238 | |
| 402 | PUSHs (sv_2mortal (newSViv (req->result))); |
239 | if (req->result >= 0) |
| 403 | PUTBACK; |
240 | { |
| 404 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
241 | GV *gv = (GV *)sv_newmortal (); |
| 405 | SPAGAIN; |
242 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
243 | char sym [64]; |
|
|
244 | int symlen; |
|
|
245 | |
|
|
246 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
247 | gv_init (gv, stash, sym, symlen, 0); |
| 406 | |
248 | |
| 407 | fh = SvREFCNT_inc (POPs); |
249 | symlen = snprintf ( |
|
|
250 | sym, |
|
|
251 | sizeof (sym), |
|
|
252 | "%s&=%d", |
|
|
253 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
254 | req->result |
|
|
255 | ); |
| 408 | |
256 | |
|
|
257 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
258 | fh = (SV *)gv; |
|
|
259 | } |
|
|
260 | |
| 409 | PUSHMARK (SP); |
261 | PUSHs (fh); |
| 410 | XPUSHs (sv_2mortal (fh)); |
|
|
| 411 | } |
262 | } |
| 412 | break; |
263 | break; |
| 413 | |
264 | |
| 414 | case REQ_GROUP: |
265 | case EIO_GROUP: |
| 415 | req->fd = 2; /* mark group as finished */ |
266 | req->int1 = 2; /* mark group as finished */ |
| 416 | |
267 | |
| 417 | if (req->data) |
268 | if (req->sv1) |
| 418 | { |
269 | { |
| 419 | int i; |
270 | int i; |
| 420 | AV *av = (AV *)req->data; |
271 | AV *av = (AV *)req->sv1; |
| 421 | |
272 | |
| 422 | EXTEND (SP, AvFILL (av) + 1); |
273 | EXTEND (SP, AvFILL (av) + 1); |
| 423 | for (i = 0; i <= AvFILL (av); ++i) |
274 | for (i = 0; i <= AvFILL (av); ++i) |
| 424 | PUSHs (*av_fetch (av, i, 0)); |
275 | PUSHs (*av_fetch (av, i, 0)); |
| 425 | } |
276 | } |
| 426 | break; |
277 | break; |
| 427 | |
278 | |
| 428 | case REQ_NOP: |
279 | case EIO_NOP: |
| 429 | case REQ_BUSY: |
280 | case EIO_BUSY: |
| 430 | break; |
281 | break; |
|
|
282 | |
|
|
283 | case EIO_READLINK: |
|
|
284 | if (req->result > 0) |
|
|
285 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
286 | break; |
|
|
287 | |
|
|
288 | case EIO_STAT: |
|
|
289 | case EIO_LSTAT: |
|
|
290 | case EIO_FSTAT: |
|
|
291 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
292 | PL_laststatval = req->result; |
|
|
293 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
294 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
295 | break; |
|
|
296 | |
|
|
297 | case EIO_READ: |
|
|
298 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
299 | *SvEND (req->sv2) = 0; |
|
|
300 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
301 | break; |
|
|
302 | |
|
|
303 | case EIO_DUP2: |
|
|
304 | if (req->result > 0) |
|
|
305 | req->result = 0; |
|
|
306 | /* FALLTHROUGH */ |
| 431 | |
307 | |
| 432 | default: |
308 | default: |
| 433 | PUSHs (sv_2mortal (newSViv (req->result))); |
309 | PUSHs (sv_2mortal (newSViv (req->result))); |
| 434 | break; |
310 | break; |
| 435 | } |
311 | } |
| 436 | |
312 | |
| 437 | errno = req->errorno; |
313 | errno = req->errorno; |
| 438 | |
314 | |
| 439 | PUTBACK; |
315 | PUTBACK; |
| 440 | call_sv (req->callback, G_VOID | G_EVAL); |
316 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
| 441 | SPAGAIN; |
317 | SPAGAIN; |
| 442 | |
318 | |
| 443 | FREETMPS; |
319 | FREETMPS; |
| 444 | LEAVE; |
320 | LEAVE; |
|
|
321 | |
|
|
322 | PUTBACK; |
| 445 | } |
323 | } |
| 446 | |
324 | |
| 447 | if (req->grp) |
325 | return !!SvTRUE (ERRSV); |
| 448 | { |
|
|
| 449 | aio_req grp = req->grp; |
|
|
| 450 | |
|
|
| 451 | /* unlink request */ |
|
|
| 452 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
| 453 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
| 454 | |
|
|
| 455 | if (grp->grp_first == req) |
|
|
| 456 | grp->grp_first = req->grp_next; |
|
|
| 457 | |
|
|
| 458 | aio_grp_dec (grp); |
|
|
| 459 | } |
|
|
| 460 | |
|
|
| 461 | if (SvTRUE (ERRSV)) |
|
|
| 462 | { |
|
|
| 463 | req_free (req); |
|
|
| 464 | croak (0); |
|
|
| 465 | } |
|
|
| 466 | } |
326 | } |
| 467 | |
327 | |
| 468 | static void req_free (aio_req req) |
328 | static void req_destroy (aio_req req) |
| 469 | { |
329 | { |
| 470 | if (req->self) |
330 | if (req->self) |
| 471 | { |
331 | { |
| 472 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | sv_unmagic (req->self, PERL_MAGIC_ext); |
| 473 | SvREFCNT_dec (req->self); |
333 | SvREFCNT_dec (req->self); |
| 474 | } |
334 | } |
| 475 | |
335 | |
| 476 | SvREFCNT_dec (req->data); |
|
|
| 477 | SvREFCNT_dec (req->fh); |
336 | SvREFCNT_dec (req->sv1); |
| 478 | SvREFCNT_dec (req->fh2); |
337 | SvREFCNT_dec (req->sv2); |
| 479 | SvREFCNT_dec (req->callback); |
338 | SvREFCNT_dec (req->callback); |
| 480 | Safefree (req->statdata); |
|
|
| 481 | |
|
|
| 482 | if (req->type == REQ_READDIR) |
|
|
| 483 | free (req->data2ptr); |
|
|
| 484 | |
339 | |
| 485 | Safefree (req); |
340 | Safefree (req); |
| 486 | } |
341 | } |
| 487 | |
342 | |
| 488 | static void req_cancel_subs (aio_req grp) |
343 | static void req_cancel_subs (aio_req grp) |
| 489 | { |
344 | { |
| 490 | aio_req sub; |
345 | aio_req sub; |
| 491 | |
346 | |
| 492 | if (grp->type != REQ_GROUP) |
347 | if (grp->type != EIO_GROUP) |
| 493 | return; |
348 | return; |
| 494 | |
349 | |
| 495 | SvREFCNT_dec (grp->fh2); |
350 | SvREFCNT_dec (grp->sv2); |
| 496 | grp->fh2 = 0; |
351 | grp->sv2 = 0; |
| 497 | |
352 | |
| 498 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
353 | eio_grp_cancel (grp); |
| 499 | req_cancel (sub); |
|
|
| 500 | } |
354 | } |
| 501 | |
355 | |
| 502 | static void req_cancel (aio_req req) |
356 | #ifdef USE_SOCKETS_AS_HANDLES |
| 503 | { |
357 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
| 504 | req->flags |= FLAG_CANCELLED; |
358 | #else |
|
|
359 | # define TO_SOCKET(x) (x) |
|
|
360 | #endif |
| 505 | |
361 | |
| 506 | req_cancel_subs (req); |
362 | static void |
| 507 | } |
363 | create_respipe (void) |
| 508 | |
|
|
| 509 | static int poll_cb (int max) |
|
|
| 510 | { |
364 | { |
| 511 | dSP; |
365 | int old_readfd = respipe [0]; |
| 512 | int count = 0; |
|
|
| 513 | int do_croak = 0; |
|
|
| 514 | aio_req req; |
|
|
| 515 | |
366 | |
| 516 | for (;;) |
367 | if (respipe [1] >= 0) |
|
|
368 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
369 | |
|
|
370 | #ifdef _WIN32 |
|
|
371 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
372 | #else |
|
|
373 | if (pipe (respipe)) |
|
|
374 | #endif |
|
|
375 | croak ("unable to initialize result pipe"); |
|
|
376 | |
|
|
377 | if (old_readfd >= 0) |
| 517 | { |
378 | { |
| 518 | while (max <= 0 || count < max) |
379 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
| 519 | { |
380 | croak ("unable to initialize result pipe(2)"); |
| 520 | LOCK (reslock); |
|
|
| 521 | req = reqq_shift (&res_queue); |
|
|
| 522 | |
381 | |
| 523 | if (req) |
382 | respipe_close (respipe [0]); |
| 524 | { |
383 | respipe [0] = old_readfd; |
| 525 | --npending; |
|
|
| 526 | |
|
|
| 527 | if (!res_queue.size) |
|
|
| 528 | { |
|
|
| 529 | /* read any signals sent by the worker threads */ |
|
|
| 530 | char buf [32]; |
|
|
| 531 | while (read (respipe [0], buf, 32) == 32) |
|
|
| 532 | ; |
|
|
| 533 | } |
|
|
| 534 | } |
|
|
| 535 | |
|
|
| 536 | UNLOCK (reslock); |
|
|
| 537 | |
|
|
| 538 | if (!req) |
|
|
| 539 | break; |
|
|
| 540 | |
|
|
| 541 | --nreqs; |
|
|
| 542 | |
|
|
| 543 | if (req->type == REQ_QUIT) |
|
|
| 544 | --started; |
|
|
| 545 | else if (req->type == REQ_GROUP && req->length) |
|
|
| 546 | { |
|
|
| 547 | req->fd = 1; /* mark request as delayed */ |
|
|
| 548 | continue; |
|
|
| 549 | } |
|
|
| 550 | else |
|
|
| 551 | { |
|
|
| 552 | if (req->type == REQ_READ) |
|
|
| 553 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
| 554 | |
|
|
| 555 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
| 556 | SvREADONLY_off (req->data); |
|
|
| 557 | |
|
|
| 558 | if (req->statdata) |
|
|
| 559 | { |
|
|
| 560 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
| 561 | PL_laststatval = req->result; |
|
|
| 562 | PL_statcache = *(req->statdata); |
|
|
| 563 | } |
|
|
| 564 | |
|
|
| 565 | req_invoke (req); |
|
|
| 566 | |
|
|
| 567 | count++; |
|
|
| 568 | } |
|
|
| 569 | |
|
|
| 570 | req_free (req); |
|
|
| 571 | } |
|
|
| 572 | |
|
|
| 573 | if (nreqs <= max_outstanding) |
|
|
| 574 | break; |
|
|
| 575 | |
|
|
| 576 | poll_wait (); |
|
|
| 577 | |
|
|
| 578 | max = 0; |
|
|
| 579 | } |
384 | } |
| 580 | |
385 | |
| 581 | return count; |
386 | #ifdef _WIN32 |
| 582 | } |
387 | int arg = 1; |
|
|
388 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
389 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
390 | #else |
|
|
391 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
392 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
393 | #endif |
|
|
394 | croak ("unable to initialize result pipe(3)"); |
| 583 | |
395 | |
| 584 | static void *aio_proc(void *arg); |
396 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
397 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
398 | } |
| 585 | |
399 | |
| 586 | static void start_thread (void) |
400 | static void poll_wait (void) |
| 587 | { |
401 | { |
| 588 | sigset_t fullsigset, oldsigset; |
402 | fd_set rfd; |
| 589 | pthread_attr_t attr; |
|
|
| 590 | |
403 | |
| 591 | worker *wrk = calloc (1, sizeof (worker)); |
404 | while (eio_nreqs ()) |
| 592 | |
|
|
| 593 | if (!wrk) |
|
|
| 594 | croak ("unable to allocate worker thread data"); |
|
|
| 595 | |
|
|
| 596 | pthread_attr_init (&attr); |
|
|
| 597 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
| 598 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
| 599 | |
|
|
| 600 | sigfillset (&fullsigset); |
|
|
| 601 | |
|
|
| 602 | LOCK (wrklock); |
|
|
| 603 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
| 604 | |
|
|
| 605 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
| 606 | { |
405 | { |
| 607 | wrk->prev = &wrk_first; |
406 | int size; |
| 608 | wrk->next = wrk_first.next; |
407 | |
| 609 | wrk_first.next->prev = wrk; |
408 | X_LOCK (reslock); |
| 610 | wrk_first.next = wrk; |
409 | size = res_queue.size; |
| 611 | ++started; |
410 | X_UNLOCK (reslock); |
|
|
411 | |
|
|
412 | if (size) |
|
|
413 | return; |
|
|
414 | |
|
|
415 | maybe_start_thread (); |
|
|
416 | |
|
|
417 | FD_ZERO (&rfd); |
|
|
418 | FD_SET (respipe [0], &rfd); |
|
|
419 | |
|
|
420 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
| 612 | } |
421 | } |
| 613 | else |
|
|
| 614 | free (wrk); |
|
|
| 615 | |
|
|
| 616 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
| 617 | UNLOCK (wrklock); |
|
|
| 618 | } |
422 | } |
| 619 | |
423 | |
| 620 | static void req_send (aio_req req) |
424 | static int poll_cb (void) |
| 621 | { |
425 | { |
| 622 | while (started < wanted && nreqs >= started) |
426 | int res; |
| 623 | start_thread (); |
|
|
| 624 | |
427 | |
| 625 | ++nreqs; |
428 | do |
| 626 | |
|
|
| 627 | LOCK (reqlock); |
|
|
| 628 | ++nready; |
|
|
| 629 | reqq_push (&req_queue, req); |
|
|
| 630 | pthread_cond_signal (&reqwait); |
|
|
| 631 | UNLOCK (reqlock); |
|
|
| 632 | } |
|
|
| 633 | |
|
|
| 634 | static void end_thread (void) |
|
|
| 635 | { |
|
|
| 636 | aio_req req; |
|
|
| 637 | |
|
|
| 638 | Newz (0, req, 1, aio_cb); |
|
|
| 639 | |
|
|
| 640 | req->type = REQ_QUIT; |
|
|
| 641 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
| 642 | |
|
|
| 643 | req_send (req); |
|
|
| 644 | } |
|
|
| 645 | |
|
|
| 646 | static void min_parallel (int nthreads) |
|
|
| 647 | { |
|
|
| 648 | if (wanted < nthreads) |
|
|
| 649 | wanted = nthreads; |
|
|
| 650 | } |
|
|
| 651 | |
|
|
| 652 | static void max_parallel (int nthreads) |
|
|
| 653 | { |
|
|
| 654 | int cur = started; |
|
|
| 655 | |
|
|
| 656 | if (wanted > nthreads) |
|
|
| 657 | wanted = nthreads; |
|
|
| 658 | |
|
|
| 659 | while (cur > wanted) |
|
|
| 660 | { |
429 | { |
| 661 | end_thread (); |
430 | res = eio_poll (); |
| 662 | cur--; |
431 | |
|
|
432 | if (res > 0) |
|
|
433 | croak (0); |
| 663 | } |
434 | } |
| 664 | |
435 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
| 665 | while (started > wanted) |
|
|
| 666 | { |
|
|
| 667 | poll_wait (); |
|
|
| 668 | poll_cb (0); |
|
|
| 669 | } |
|
|
| 670 | } |
|
|
| 671 | |
|
|
| 672 | static void create_pipe () |
|
|
| 673 | { |
|
|
| 674 | if (pipe (respipe)) |
|
|
| 675 | croak ("unable to initialize result pipe"); |
|
|
| 676 | |
|
|
| 677 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
| 678 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
| 679 | |
|
|
| 680 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
| 681 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
| 682 | } |
|
|
| 683 | |
|
|
| 684 | /*****************************************************************************/ |
|
|
| 685 | /* work around various missing functions */ |
|
|
| 686 | |
|
|
| 687 | #if !HAVE_PREADWRITE |
|
|
| 688 | # define pread aio_pread |
|
|
| 689 | # define pwrite aio_pwrite |
|
|
| 690 | |
|
|
| 691 | /* |
|
|
| 692 | * make our pread/pwrite safe against themselves, but not against |
|
|
| 693 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
| 694 | * but that's your problem, not mine. |
|
|
| 695 | */ |
|
|
| 696 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
| 697 | |
|
|
| 698 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
| 699 | { |
|
|
| 700 | ssize_t res; |
|
|
| 701 | off_t ooffset; |
|
|
| 702 | |
|
|
| 703 | LOCK (preadwritelock); |
|
|
| 704 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
| 705 | lseek (fd, offset, SEEK_SET); |
|
|
| 706 | res = read (fd, buf, count); |
|
|
| 707 | lseek (fd, ooffset, SEEK_SET); |
|
|
| 708 | UNLOCK (preadwritelock); |
|
|
| 709 | |
436 | |
| 710 | return res; |
437 | return res; |
| 711 | } |
438 | } |
| 712 | |
439 | |
| 713 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
| 714 | { |
|
|
| 715 | ssize_t res; |
|
|
| 716 | off_t ooffset; |
|
|
| 717 | |
|
|
| 718 | LOCK (preadwritelock); |
|
|
| 719 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
| 720 | lseek (fd, offset, SEEK_SET); |
|
|
| 721 | res = write (fd, buf, count); |
|
|
| 722 | lseek (fd, offset, SEEK_SET); |
|
|
| 723 | UNLOCK (preadwritelock); |
|
|
| 724 | |
|
|
| 725 | return res; |
|
|
| 726 | } |
|
|
| 727 | #endif |
|
|
| 728 | |
|
|
| 729 | #if !HAVE_FDATASYNC |
|
|
| 730 | # define fdatasync fsync |
|
|
| 731 | #endif |
|
|
| 732 | |
|
|
| 733 | #if !HAVE_READAHEAD |
|
|
| 734 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
| 735 | |
|
|
| 736 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
| 737 | { |
|
|
| 738 | dBUF; |
|
|
| 739 | |
|
|
| 740 | while (count > 0) |
|
|
| 741 | { |
|
|
| 742 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
| 743 | |
|
|
| 744 | pread (fd, aio_buf, len, offset); |
|
|
| 745 | offset += len; |
|
|
| 746 | count -= len; |
|
|
| 747 | } |
|
|
| 748 | |
|
|
| 749 | errno = 0; |
|
|
| 750 | } |
|
|
| 751 | |
|
|
| 752 | #endif |
|
|
| 753 | |
|
|
| 754 | #if !HAVE_READDIR_R |
|
|
| 755 | # define readdir_r aio_readdir_r |
|
|
| 756 | |
|
|
| 757 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
| 758 | |
|
|
| 759 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
| 760 | { |
|
|
| 761 | struct dirent *e; |
|
|
| 762 | int errorno; |
|
|
| 763 | |
|
|
| 764 | LOCK (readdirlock); |
|
|
| 765 | |
|
|
| 766 | e = readdir (dirp); |
|
|
| 767 | errorno = errno; |
|
|
| 768 | |
|
|
| 769 | if (e) |
|
|
| 770 | { |
|
|
| 771 | *res = ent; |
|
|
| 772 | strcpy (ent->d_name, e->d_name); |
|
|
| 773 | } |
|
|
| 774 | else |
|
|
| 775 | *res = 0; |
|
|
| 776 | |
|
|
| 777 | UNLOCK (readdirlock); |
|
|
| 778 | |
|
|
| 779 | errno = errorno; |
|
|
| 780 | return e ? 0 : -1; |
|
|
| 781 | } |
|
|
| 782 | #endif |
|
|
| 783 | |
|
|
| 784 | /* sendfile always needs emulation */ |
|
|
| 785 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
| 786 | { |
|
|
| 787 | ssize_t res; |
|
|
| 788 | |
|
|
| 789 | if (!count) |
|
|
| 790 | return 0; |
|
|
| 791 | |
|
|
| 792 | #if HAVE_SENDFILE |
|
|
| 793 | # if __linux |
|
|
| 794 | res = sendfile (ofd, ifd, &offset, count); |
|
|
| 795 | |
|
|
| 796 | # elif __freebsd |
|
|
| 797 | /* |
|
|
| 798 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
| 799 | * wasted on making it similar to other I/O functions. |
|
|
| 800 | */ |
|
|
| 801 | { |
|
|
| 802 | off_t sbytes; |
|
|
| 803 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
| 804 | |
|
|
| 805 | if (res < 0 && sbytes) |
|
|
| 806 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
| 807 | res = sbytes; |
|
|
| 808 | } |
|
|
| 809 | |
|
|
| 810 | # elif __hpux |
|
|
| 811 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
| 812 | |
|
|
| 813 | # elif __solaris |
|
|
| 814 | { |
|
|
| 815 | struct sendfilevec vec; |
|
|
| 816 | size_t sbytes; |
|
|
| 817 | |
|
|
| 818 | vec.sfv_fd = ifd; |
|
|
| 819 | vec.sfv_flag = 0; |
|
|
| 820 | vec.sfv_off = offset; |
|
|
| 821 | vec.sfv_len = count; |
|
|
| 822 | |
|
|
| 823 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
| 824 | |
|
|
| 825 | if (res < 0 && sbytes) |
|
|
| 826 | res = sbytes; |
|
|
| 827 | } |
|
|
| 828 | |
|
|
| 829 | # endif |
|
|
| 830 | #else |
|
|
| 831 | res = -1; |
|
|
| 832 | errno = ENOSYS; |
|
|
| 833 | #endif |
|
|
| 834 | |
|
|
| 835 | if (res < 0 |
|
|
| 836 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
| 837 | #if __solaris |
|
|
| 838 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
| 839 | #endif |
|
|
| 840 | ) |
|
|
| 841 | ) |
|
|
| 842 | { |
|
|
| 843 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
| 844 | dBUF; |
|
|
| 845 | |
|
|
| 846 | res = 0; |
|
|
| 847 | |
|
|
| 848 | while (count) |
|
|
| 849 | { |
|
|
| 850 | ssize_t cnt; |
|
|
| 851 | |
|
|
| 852 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
| 853 | |
|
|
| 854 | if (cnt <= 0) |
|
|
| 855 | { |
|
|
| 856 | if (cnt && !res) res = -1; |
|
|
| 857 | break; |
|
|
| 858 | } |
|
|
| 859 | |
|
|
| 860 | cnt = write (ofd, aio_buf, cnt); |
|
|
| 861 | |
|
|
| 862 | if (cnt <= 0) |
|
|
| 863 | { |
|
|
| 864 | if (cnt && !res) res = -1; |
|
|
| 865 | break; |
|
|
| 866 | } |
|
|
| 867 | |
|
|
| 868 | offset += cnt; |
|
|
| 869 | res += cnt; |
|
|
| 870 | count -= cnt; |
|
|
| 871 | } |
|
|
| 872 | } |
|
|
| 873 | |
|
|
| 874 | return res; |
|
|
| 875 | } |
|
|
| 876 | |
|
|
| 877 | /* read a full directory */ |
|
|
| 878 | static void scandir_ (aio_req req, worker *self) |
|
|
| 879 | { |
|
|
| 880 | DIR *dirp; |
|
|
| 881 | union |
|
|
| 882 | { |
|
|
| 883 | struct dirent d; |
|
|
| 884 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
| 885 | } *u; |
|
|
| 886 | struct dirent *entp; |
|
|
| 887 | char *name, *names; |
|
|
| 888 | int memlen = 4096; |
|
|
| 889 | int memofs = 0; |
|
|
| 890 | int res = 0; |
|
|
| 891 | int errorno; |
|
|
| 892 | |
|
|
| 893 | LOCK (wrklock); |
|
|
| 894 | self->dirp = dirp = opendir (req->dataptr); |
|
|
| 895 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
| 896 | req->data2ptr = names = malloc (memlen); |
|
|
| 897 | UNLOCK (wrklock); |
|
|
| 898 | |
|
|
| 899 | if (dirp && u && names) |
|
|
| 900 | for (;;) |
|
|
| 901 | { |
|
|
| 902 | errno = 0; |
|
|
| 903 | readdir_r (dirp, &u->d, &entp); |
|
|
| 904 | |
|
|
| 905 | if (!entp) |
|
|
| 906 | break; |
|
|
| 907 | |
|
|
| 908 | name = entp->d_name; |
|
|
| 909 | |
|
|
| 910 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
| 911 | { |
|
|
| 912 | int len = strlen (name) + 1; |
|
|
| 913 | |
|
|
| 914 | res++; |
|
|
| 915 | |
|
|
| 916 | while (memofs + len > memlen) |
|
|
| 917 | { |
|
|
| 918 | memlen *= 2; |
|
|
| 919 | LOCK (wrklock); |
|
|
| 920 | req->data2ptr = names = realloc (names, memlen); |
|
|
| 921 | UNLOCK (wrklock); |
|
|
| 922 | |
|
|
| 923 | if (!names) |
|
|
| 924 | break; |
|
|
| 925 | } |
|
|
| 926 | |
|
|
| 927 | memcpy (names + memofs, name, len); |
|
|
| 928 | memofs += len; |
|
|
| 929 | } |
|
|
| 930 | } |
|
|
| 931 | |
|
|
| 932 | if (errno) |
|
|
| 933 | res = -1; |
|
|
| 934 | |
|
|
| 935 | req->result = res; |
|
|
| 936 | } |
|
|
| 937 | |
|
|
| 938 | /*****************************************************************************/ |
|
|
| 939 | |
|
|
| 940 | static void *aio_proc (void *thr_arg) |
|
|
| 941 | { |
|
|
| 942 | aio_req req; |
|
|
| 943 | int type; |
|
|
| 944 | worker *self = (worker *)thr_arg; |
|
|
| 945 | |
|
|
| 946 | do |
|
|
| 947 | { |
|
|
| 948 | LOCK (reqlock); |
|
|
| 949 | |
|
|
| 950 | for (;;) |
|
|
| 951 | { |
|
|
| 952 | self->req = req = reqq_shift (&req_queue); |
|
|
| 953 | |
|
|
| 954 | if (req) |
|
|
| 955 | break; |
|
|
| 956 | |
|
|
| 957 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
| 958 | } |
|
|
| 959 | |
|
|
| 960 | --nready; |
|
|
| 961 | |
|
|
| 962 | UNLOCK (reqlock); |
|
|
| 963 | |
|
|
| 964 | errno = 0; /* strictly unnecessary */ |
|
|
| 965 | type = req->type; /* remember type for QUIT check */ |
|
|
| 966 | |
|
|
| 967 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
| 968 | switch (type) |
|
|
| 969 | { |
|
|
| 970 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
| 971 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
| 972 | |
|
|
| 973 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
| 974 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
| 975 | |
|
|
| 976 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
| 977 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
| 978 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
| 979 | |
|
|
| 980 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
| 981 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
| 982 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
| 983 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
| 984 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
| 985 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
| 986 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
| 987 | |
|
|
| 988 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
| 989 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
| 990 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
| 991 | |
|
|
| 992 | case REQ_BUSY: |
|
|
| 993 | { |
|
|
| 994 | struct timeval tv; |
|
|
| 995 | |
|
|
| 996 | tv.tv_sec = req->fd; |
|
|
| 997 | tv.tv_usec = req->fd2; |
|
|
| 998 | |
|
|
| 999 | req->result = select (0, 0, 0, 0, &tv); |
|
|
| 1000 | } |
|
|
| 1001 | |
|
|
| 1002 | case REQ_GROUP: |
|
|
| 1003 | case REQ_NOP: |
|
|
| 1004 | case REQ_QUIT: |
|
|
| 1005 | break; |
|
|
| 1006 | |
|
|
| 1007 | default: |
|
|
| 1008 | req->result = ENOSYS; |
|
|
| 1009 | break; |
|
|
| 1010 | } |
|
|
| 1011 | |
|
|
| 1012 | req->errorno = errno; |
|
|
| 1013 | |
|
|
| 1014 | LOCK (reslock); |
|
|
| 1015 | |
|
|
| 1016 | ++npending; |
|
|
| 1017 | |
|
|
| 1018 | if (!reqq_push (&res_queue, req)) |
|
|
| 1019 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
| 1020 | write (respipe [1], &respipe, 1); |
|
|
| 1021 | |
|
|
| 1022 | self->req = 0; |
|
|
| 1023 | worker_clear (self); |
|
|
| 1024 | |
|
|
| 1025 | UNLOCK (reslock); |
|
|
| 1026 | } |
|
|
| 1027 | while (type != REQ_QUIT); |
|
|
| 1028 | |
|
|
| 1029 | LOCK (wrklock); |
|
|
| 1030 | worker_free (self); |
|
|
| 1031 | UNLOCK (wrklock); |
|
|
| 1032 | |
|
|
| 1033 | return 0; |
|
|
| 1034 | } |
|
|
| 1035 | |
|
|
| 1036 | /*****************************************************************************/ |
|
|
| 1037 | |
|
|
| 1038 | static void atfork_prepare (void) |
|
|
| 1039 | { |
|
|
| 1040 | LOCK (wrklock); |
|
|
| 1041 | LOCK (reqlock); |
|
|
| 1042 | LOCK (reslock); |
|
|
| 1043 | #if !HAVE_PREADWRITE |
|
|
| 1044 | LOCK (preadwritelock); |
|
|
| 1045 | #endif |
|
|
| 1046 | #if !HAVE_READDIR_R |
|
|
| 1047 | LOCK (readdirlock); |
|
|
| 1048 | #endif |
|
|
| 1049 | } |
|
|
| 1050 | |
|
|
| 1051 | static void atfork_parent (void) |
|
|
| 1052 | { |
|
|
| 1053 | #if !HAVE_READDIR_R |
|
|
| 1054 | UNLOCK (readdirlock); |
|
|
| 1055 | #endif |
|
|
| 1056 | #if !HAVE_PREADWRITE |
|
|
| 1057 | UNLOCK (preadwritelock); |
|
|
| 1058 | #endif |
|
|
| 1059 | UNLOCK (reslock); |
|
|
| 1060 | UNLOCK (reqlock); |
|
|
| 1061 | UNLOCK (wrklock); |
|
|
| 1062 | } |
|
|
| 1063 | |
|
|
| 1064 | static void atfork_child (void) |
440 | static void atfork_child (void) |
| 1065 | { |
441 | { |
| 1066 | aio_req prv; |
|
|
| 1067 | |
|
|
| 1068 | while (prv = reqq_shift (&req_queue)) |
|
|
| 1069 | req_free (prv); |
|
|
| 1070 | |
|
|
| 1071 | while (prv = reqq_shift (&res_queue)) |
|
|
| 1072 | req_free (prv); |
|
|
| 1073 | |
|
|
| 1074 | while (wrk_first.next != &wrk_first) |
|
|
| 1075 | { |
|
|
| 1076 | worker *wrk = wrk_first.next; |
|
|
| 1077 | |
|
|
| 1078 | if (wrk->req) |
|
|
| 1079 | req_free (wrk->req); |
|
|
| 1080 | |
|
|
| 1081 | worker_clear (wrk); |
|
|
| 1082 | worker_free (wrk); |
|
|
| 1083 | } |
|
|
| 1084 | |
|
|
| 1085 | started = 0; |
|
|
| 1086 | nreqs = 0; |
|
|
| 1087 | |
|
|
| 1088 | close (respipe [0]); |
|
|
| 1089 | close (respipe [1]); |
|
|
| 1090 | create_pipe (); |
442 | create_respipe (); |
| 1091 | |
|
|
| 1092 | atfork_parent (); |
|
|
| 1093 | } |
443 | } |
| 1094 | |
444 | |
| 1095 | #define dREQ \ |
445 | #define dREQ \ |
| 1096 | aio_req req; \ |
446 | aio_req req; \ |
| 1097 | int req_pri = next_pri; \ |
447 | int req_pri = next_pri; \ |
| 1098 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
448 | next_pri = EIO_PRI_DEFAULT; \ |
| 1099 | \ |
449 | \ |
| 1100 | if (SvOK (callback) && !SvROK (callback)) \ |
450 | if (SvOK (callback) && !SvROK (callback)) \ |
| 1101 | croak ("callback must be undef or of reference type"); \ |
451 | croak ("callback must be undef or of reference type"); \ |
| 1102 | \ |
452 | \ |
| 1103 | Newz (0, req, 1, aio_cb); \ |
453 | Newz (0, req, 1, eio_req); \ |
| 1104 | if (!req) \ |
454 | if (!req) \ |
| 1105 | croak ("out of memory during aio_req allocation"); \ |
455 | croak ("out of memory during eio_req allocation"); \ |
| 1106 | \ |
456 | \ |
| 1107 | req->callback = newSVsv (callback); \ |
457 | req->callback = newSVsv (callback); \ |
| 1108 | req->pri = req_pri |
458 | req->pri = req_pri |
| 1109 | |
459 | |
| 1110 | #define REQ_SEND \ |
460 | #define REQ_SEND \ |
| 1111 | req_send (req); \ |
461 | req_submit (req); \ |
| 1112 | \ |
462 | \ |
| 1113 | if (GIMME_V != G_VOID) \ |
463 | if (GIMME_V != G_VOID) \ |
| 1114 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
| 1115 | |
465 | |
| 1116 | MODULE = IO::AIO PACKAGE = IO::AIO |
466 | MODULE = IO::AIO PACKAGE = IO::AIO |
| 1117 | |
467 | |
| 1118 | PROTOTYPES: ENABLE |
468 | PROTOTYPES: ENABLE |
| 1119 | |
469 | |
| 1120 | BOOT: |
470 | BOOT: |
| 1121 | { |
471 | { |
| 1122 | HV *stash = gv_stashpv ("IO::AIO", 1); |
472 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
473 | |
| 1123 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
| 1124 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
| 1125 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
479 | #ifdef _WIN32 |
|
|
480 | X_MUTEX_CHECK (wrklock); |
|
|
481 | X_MUTEX_CHECK (reslock); |
|
|
482 | X_MUTEX_CHECK (reqlock); |
|
|
483 | X_MUTEX_CHECK (reqwait); |
|
|
484 | X_MUTEX_CHECK (preadwritelock); |
|
|
485 | X_MUTEX_CHECK (readdirlock); |
| 1126 | |
486 | |
| 1127 | create_pipe (); |
487 | X_COND_CHECK (reqwait); |
| 1128 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
488 | #else |
|
|
489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
490 | #endif |
|
|
491 | |
|
|
492 | create_respipe (); |
|
|
493 | |
|
|
494 | if (eio_init (want_poll, done_poll) < 0) |
|
|
495 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
496 | |
|
|
497 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
498 | X_THREAD_ATFORK (0, 0, atfork_child); |
| 1129 | } |
499 | } |
|
|
500 | |
|
|
501 | void |
|
|
502 | max_poll_reqs (int nreqs) |
|
|
503 | PROTOTYPE: $ |
|
|
504 | CODE: |
|
|
505 | eio_set_max_poll_reqs (nreqs); |
|
|
506 | |
|
|
507 | void |
|
|
508 | max_poll_time (double nseconds) |
|
|
509 | PROTOTYPE: $ |
|
|
510 | CODE: |
|
|
511 | eio_set_max_poll_time (nseconds); |
| 1130 | |
512 | |
| 1131 | void |
513 | void |
| 1132 | min_parallel (int nthreads) |
514 | min_parallel (int nthreads) |
| 1133 | PROTOTYPE: $ |
515 | PROTOTYPE: $ |
|
|
516 | CODE: |
|
|
517 | eio_set_min_parallel (nthreads); |
| 1134 | |
518 | |
| 1135 | void |
519 | void |
| 1136 | max_parallel (int nthreads) |
520 | max_parallel (int nthreads) |
| 1137 | PROTOTYPE: $ |
521 | PROTOTYPE: $ |
|
|
522 | CODE: |
|
|
523 | eio_set_max_parallel (nthreads); |
| 1138 | |
524 | |
| 1139 | int |
525 | void |
|
|
526 | max_idle (int nthreads) |
|
|
527 | PROTOTYPE: $ |
|
|
528 | CODE: |
|
|
529 | eio_set_max_idle (nthreads); |
|
|
530 | |
|
|
531 | void |
| 1140 | max_outstanding (int maxreqs) |
532 | max_outstanding (int maxreqs) |
| 1141 | PROTOTYPE: $ |
533 | PROTOTYPE: $ |
| 1142 | CODE: |
534 | CODE: |
| 1143 | RETVAL = max_outstanding; |
|
|
| 1144 | max_outstanding = maxreqs; |
535 | max_outstanding = maxreqs; |
| 1145 | OUTPUT: |
|
|
| 1146 | RETVAL |
|
|
| 1147 | |
536 | |
| 1148 | void |
537 | void |
| 1149 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
538 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
| 1150 | SV * pathname |
|
|
| 1151 | int flags |
|
|
| 1152 | int mode |
|
|
| 1153 | SV * callback |
|
|
| 1154 | PROTOTYPE: $$$;$ |
539 | PROTOTYPE: $$$;$ |
| 1155 | PPCODE: |
540 | PPCODE: |
| 1156 | { |
541 | { |
| 1157 | dREQ; |
542 | dREQ; |
| 1158 | |
543 | |
| 1159 | req->type = REQ_OPEN; |
544 | req->type = EIO_OPEN; |
| 1160 | req->data = newSVsv (pathname); |
545 | req->sv1 = newSVsv (pathname); |
| 1161 | req->dataptr = SvPVbyte_nolen (req->data); |
546 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1162 | req->fd = flags; |
547 | req->int1 = flags; |
| 1163 | req->mode = mode; |
548 | req->int2 = mode; |
| 1164 | |
549 | |
| 1165 | REQ_SEND; |
550 | REQ_SEND; |
| 1166 | } |
551 | } |
| 1167 | |
552 | |
| 1168 | void |
553 | void |
| 1169 | aio_close (fh,callback=&PL_sv_undef) |
554 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
| 1170 | SV * fh |
|
|
| 1171 | SV * callback |
|
|
| 1172 | PROTOTYPE: $;$ |
555 | PROTOTYPE: $;$ |
| 1173 | ALIAS: |
556 | ALIAS: |
| 1174 | aio_close = REQ_CLOSE |
|
|
| 1175 | aio_fsync = REQ_FSYNC |
557 | aio_fsync = EIO_FSYNC |
| 1176 | aio_fdatasync = REQ_FDATASYNC |
558 | aio_fdatasync = EIO_FDATASYNC |
| 1177 | PPCODE: |
559 | PPCODE: |
| 1178 | { |
560 | { |
| 1179 | dREQ; |
561 | dREQ; |
| 1180 | |
562 | |
| 1181 | req->type = ix; |
563 | req->type = ix; |
| 1182 | req->fh = newSVsv (fh); |
564 | req->sv1 = newSVsv (fh); |
| 1183 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
565 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
| 1184 | |
566 | |
| 1185 | REQ_SEND (req); |
567 | REQ_SEND (req); |
| 1186 | } |
568 | } |
| 1187 | |
569 | |
| 1188 | void |
570 | void |
|
|
571 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
572 | PROTOTYPE: $;$ |
|
|
573 | PPCODE: |
|
|
574 | { |
|
|
575 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
576 | dREQ; |
|
|
577 | |
|
|
578 | if (close_pipe < 0) |
|
|
579 | { |
|
|
580 | int pipefd [2]; |
|
|
581 | |
|
|
582 | if (pipe (pipefd) < 0 |
|
|
583 | || close (pipefd [1]) < 0 |
|
|
584 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
585 | abort (); /*D*/ |
|
|
586 | |
|
|
587 | close_pipe = pipefd [0]; |
|
|
588 | } |
|
|
589 | |
|
|
590 | req->type = EIO_DUP2; |
|
|
591 | req->int1 = close_pipe; |
|
|
592 | req->sv2 = newSVsv (fh); |
|
|
593 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
594 | |
|
|
595 | REQ_SEND (req); |
|
|
596 | } |
|
|
597 | |
|
|
598 | void |
| 1189 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
599 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
| 1190 | SV * fh |
|
|
| 1191 | UV offset |
|
|
| 1192 | UV length |
|
|
| 1193 | SV * data |
|
|
| 1194 | UV dataoffset |
|
|
| 1195 | SV * callback |
|
|
| 1196 | ALIAS: |
600 | ALIAS: |
| 1197 | aio_read = REQ_READ |
601 | aio_read = EIO_READ |
| 1198 | aio_write = REQ_WRITE |
602 | aio_write = EIO_WRITE |
| 1199 | PROTOTYPE: $$$$$;$ |
603 | PROTOTYPE: $$$$$;$ |
| 1200 | PPCODE: |
604 | PPCODE: |
| 1201 | { |
605 | { |
| 1202 | aio_req req; |
|
|
| 1203 | STRLEN svlen; |
606 | STRLEN svlen; |
| 1204 | char *svptr = SvPVbyte (data, svlen); |
607 | char *svptr = SvPVbyte (data, svlen); |
|
|
608 | UV len = SvUV (length); |
| 1205 | |
609 | |
| 1206 | SvUPGRADE (data, SVt_PV); |
610 | SvUPGRADE (data, SVt_PV); |
| 1207 | SvPOK_on (data); |
611 | SvPOK_on (data); |
| 1208 | |
612 | |
| 1209 | if (dataoffset < 0) |
613 | if (dataoffset < 0) |
| 1210 | dataoffset += svlen; |
614 | dataoffset += svlen; |
| 1211 | |
615 | |
| 1212 | if (dataoffset < 0 || dataoffset > svlen) |
616 | if (dataoffset < 0 || dataoffset > svlen) |
| 1213 | croak ("data offset outside of string"); |
617 | croak ("dataoffset outside of data scalar"); |
| 1214 | |
618 | |
| 1215 | if (ix == REQ_WRITE) |
619 | if (ix == EIO_WRITE) |
| 1216 | { |
620 | { |
| 1217 | /* write: check length and adjust. */ |
621 | /* write: check length and adjust. */ |
| 1218 | if (length < 0 || length + dataoffset > svlen) |
622 | if (!SvOK (length) || len + dataoffset > svlen) |
| 1219 | length = svlen - dataoffset; |
623 | len = svlen - dataoffset; |
| 1220 | } |
624 | } |
| 1221 | else |
625 | else |
| 1222 | { |
626 | { |
| 1223 | /* read: grow scalar as necessary */ |
627 | /* read: grow scalar as necessary */ |
| 1224 | svptr = SvGROW (data, length + dataoffset); |
628 | svptr = SvGROW (data, len + dataoffset + 1); |
| 1225 | } |
629 | } |
| 1226 | |
630 | |
| 1227 | if (length < 0) |
631 | if (len < 0) |
| 1228 | croak ("length must not be negative"); |
632 | croak ("length must not be negative"); |
| 1229 | |
633 | |
| 1230 | { |
634 | { |
| 1231 | dREQ; |
635 | dREQ; |
| 1232 | |
636 | |
| 1233 | req->type = ix; |
637 | req->type = ix; |
| 1234 | req->fh = newSVsv (fh); |
638 | req->sv1 = newSVsv (fh); |
| 1235 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
639 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
| 1236 | : IoOFP (sv_2io (fh))); |
640 | : IoOFP (sv_2io (fh))); |
|
|
641 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
| 1237 | req->offset = offset; |
642 | req->size = len; |
| 1238 | req->length = length; |
|
|
| 1239 | req->data = SvREFCNT_inc (data); |
643 | req->sv2 = SvREFCNT_inc (data); |
| 1240 | req->dataptr = (char *)svptr + dataoffset; |
644 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
645 | req->stroffset = dataoffset; |
| 1241 | |
646 | |
| 1242 | if (!SvREADONLY (data)) |
647 | if (!SvREADONLY (data)) |
| 1243 | { |
648 | { |
| 1244 | SvREADONLY_on (data); |
649 | SvREADONLY_on (data); |
| 1245 | req->data2ptr = (void *)data; |
650 | req->flags |= FLAG_SV2_RO_OFF; |
| 1246 | } |
651 | } |
| 1247 | |
652 | |
| 1248 | REQ_SEND; |
653 | REQ_SEND; |
| 1249 | } |
654 | } |
| 1250 | } |
655 | } |
| 1251 | |
656 | |
| 1252 | void |
657 | void |
|
|
658 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
659 | PROTOTYPE: $$;$ |
|
|
660 | PPCODE: |
|
|
661 | { |
|
|
662 | SV *data; |
|
|
663 | dREQ; |
|
|
664 | |
|
|
665 | req->type = EIO_READLINK; |
|
|
666 | req->sv1 = newSVsv (path); |
|
|
667 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
668 | |
|
|
669 | REQ_SEND; |
|
|
670 | } |
|
|
671 | |
|
|
672 | void |
| 1253 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
673 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
| 1254 | SV * out_fh |
|
|
| 1255 | SV * in_fh |
|
|
| 1256 | UV in_offset |
|
|
| 1257 | UV length |
|
|
| 1258 | SV * callback |
|
|
| 1259 | PROTOTYPE: $$$$;$ |
674 | PROTOTYPE: $$$$;$ |
| 1260 | PPCODE: |
675 | PPCODE: |
| 1261 | { |
676 | { |
| 1262 | dREQ; |
677 | dREQ; |
| 1263 | |
678 | |
| 1264 | req->type = REQ_SENDFILE; |
679 | req->type = EIO_SENDFILE; |
| 1265 | req->fh = newSVsv (out_fh); |
680 | req->sv1 = newSVsv (out_fh); |
| 1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
681 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
| 1267 | req->fh2 = newSVsv (in_fh); |
682 | req->sv2 = newSVsv (in_fh); |
| 1268 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
683 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
| 1269 | req->offset = in_offset; |
684 | req->offs = SvVAL64 (in_offset); |
| 1270 | req->length = length; |
685 | req->size = length; |
| 1271 | |
686 | |
| 1272 | REQ_SEND; |
687 | REQ_SEND; |
| 1273 | } |
688 | } |
| 1274 | |
689 | |
| 1275 | void |
690 | void |
| 1276 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
691 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
| 1277 | SV * fh |
|
|
| 1278 | UV offset |
|
|
| 1279 | IV length |
|
|
| 1280 | SV * callback |
|
|
| 1281 | PROTOTYPE: $$$;$ |
692 | PROTOTYPE: $$$;$ |
| 1282 | PPCODE: |
693 | PPCODE: |
| 1283 | { |
694 | { |
| 1284 | dREQ; |
695 | dREQ; |
| 1285 | |
696 | |
| 1286 | req->type = REQ_READAHEAD; |
697 | req->type = EIO_READAHEAD; |
| 1287 | req->fh = newSVsv (fh); |
698 | req->sv1 = newSVsv (fh); |
| 1288 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
699 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
| 1289 | req->offset = offset; |
700 | req->offs = SvVAL64 (offset); |
| 1290 | req->length = length; |
701 | req->size = length; |
| 1291 | |
702 | |
| 1292 | REQ_SEND; |
703 | REQ_SEND; |
| 1293 | } |
704 | } |
| 1294 | |
705 | |
| 1295 | void |
706 | void |
| 1296 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
707 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
| 1297 | SV * fh_or_path |
|
|
| 1298 | SV * callback |
|
|
| 1299 | ALIAS: |
708 | ALIAS: |
| 1300 | aio_stat = REQ_STAT |
709 | aio_stat = EIO_STAT |
| 1301 | aio_lstat = REQ_LSTAT |
710 | aio_lstat = EIO_LSTAT |
| 1302 | PPCODE: |
711 | PPCODE: |
| 1303 | { |
712 | { |
| 1304 | dREQ; |
713 | dREQ; |
| 1305 | |
714 | |
| 1306 | New (0, req->statdata, 1, Stat_t); |
715 | req->sv1 = newSVsv (fh_or_path); |
| 1307 | if (!req->statdata) |
|
|
| 1308 | { |
|
|
| 1309 | req_free (req); |
|
|
| 1310 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
| 1311 | } |
|
|
| 1312 | |
716 | |
| 1313 | if (SvPOK (fh_or_path)) |
717 | if (SvPOK (req->sv1)) |
| 1314 | { |
718 | { |
| 1315 | req->type = ix; |
719 | req->type = ix; |
| 1316 | req->data = newSVsv (fh_or_path); |
|
|
| 1317 | req->dataptr = SvPVbyte_nolen (req->data); |
720 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1318 | } |
721 | } |
| 1319 | else |
722 | else |
| 1320 | { |
723 | { |
| 1321 | req->type = REQ_FSTAT; |
724 | req->type = EIO_FSTAT; |
| 1322 | req->fh = newSVsv (fh_or_path); |
|
|
| 1323 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
725 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
| 1324 | } |
726 | } |
| 1325 | |
727 | |
| 1326 | REQ_SEND; |
728 | REQ_SEND; |
| 1327 | } |
729 | } |
| 1328 | |
730 | |
| 1329 | void |
731 | void |
|
|
732 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
733 | PPCODE: |
|
|
734 | { |
|
|
735 | dREQ; |
|
|
736 | |
|
|
737 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
738 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
739 | req->sv1 = newSVsv (fh_or_path); |
|
|
740 | |
|
|
741 | if (SvPOK (req->sv1)) |
|
|
742 | { |
|
|
743 | req->type = EIO_UTIME; |
|
|
744 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
745 | } |
|
|
746 | else |
|
|
747 | { |
|
|
748 | req->type = EIO_FUTIME; |
|
|
749 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
750 | } |
|
|
751 | |
|
|
752 | REQ_SEND; |
|
|
753 | } |
|
|
754 | |
|
|
755 | void |
|
|
756 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
757 | PPCODE: |
|
|
758 | { |
|
|
759 | dREQ; |
|
|
760 | |
|
|
761 | req->sv1 = newSVsv (fh_or_path); |
|
|
762 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
763 | |
|
|
764 | if (SvPOK (req->sv1)) |
|
|
765 | { |
|
|
766 | req->type = EIO_TRUNCATE; |
|
|
767 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
768 | } |
|
|
769 | else |
|
|
770 | { |
|
|
771 | req->type = EIO_FTRUNCATE; |
|
|
772 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
773 | } |
|
|
774 | |
|
|
775 | REQ_SEND; |
|
|
776 | } |
|
|
777 | |
|
|
778 | void |
|
|
779 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
780 | ALIAS: |
|
|
781 | aio_chmod = EIO_CHMOD |
|
|
782 | aio_mkdir = EIO_MKDIR |
|
|
783 | PPCODE: |
|
|
784 | { |
|
|
785 | dREQ; |
|
|
786 | |
|
|
787 | req->int2 = mode; |
|
|
788 | req->sv1 = newSVsv (fh_or_path); |
|
|
789 | |
|
|
790 | if (SvPOK (req->sv1)) |
|
|
791 | { |
|
|
792 | req->type = ix; |
|
|
793 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
794 | } |
|
|
795 | else |
|
|
796 | { |
|
|
797 | req->type = EIO_FCHMOD; |
|
|
798 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
799 | } |
|
|
800 | |
|
|
801 | REQ_SEND; |
|
|
802 | } |
|
|
803 | |
|
|
804 | void |
|
|
805 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
806 | PPCODE: |
|
|
807 | { |
|
|
808 | dREQ; |
|
|
809 | |
|
|
810 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
811 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
812 | req->sv1 = newSVsv (fh_or_path); |
|
|
813 | |
|
|
814 | if (SvPOK (req->sv1)) |
|
|
815 | { |
|
|
816 | req->type = EIO_CHOWN; |
|
|
817 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
818 | } |
|
|
819 | else |
|
|
820 | { |
|
|
821 | req->type = EIO_FCHOWN; |
|
|
822 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
823 | } |
|
|
824 | |
|
|
825 | REQ_SEND; |
|
|
826 | } |
|
|
827 | |
|
|
828 | void |
| 1330 | aio_unlink (pathname,callback=&PL_sv_undef) |
829 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
| 1331 | SV * pathname |
|
|
| 1332 | SV * callback |
|
|
| 1333 | ALIAS: |
830 | ALIAS: |
| 1334 | aio_unlink = REQ_UNLINK |
831 | aio_unlink = EIO_UNLINK |
| 1335 | aio_rmdir = REQ_RMDIR |
832 | aio_rmdir = EIO_RMDIR |
| 1336 | aio_readdir = REQ_READDIR |
833 | aio_readdir = EIO_READDIR |
| 1337 | PPCODE: |
834 | PPCODE: |
| 1338 | { |
835 | { |
| 1339 | dREQ; |
836 | dREQ; |
| 1340 | |
837 | |
| 1341 | req->type = ix; |
838 | req->type = ix; |
| 1342 | req->data = newSVsv (pathname); |
839 | req->sv1 = newSVsv (pathname); |
| 1343 | req->dataptr = SvPVbyte_nolen (req->data); |
840 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
841 | |
|
|
842 | REQ_SEND; |
|
|
843 | } |
|
|
844 | |
|
|
845 | void |
|
|
846 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
847 | ALIAS: |
|
|
848 | aio_link = EIO_LINK |
|
|
849 | aio_symlink = EIO_SYMLINK |
|
|
850 | aio_rename = EIO_RENAME |
|
|
851 | PPCODE: |
|
|
852 | { |
|
|
853 | dREQ; |
|
|
854 | |
|
|
855 | req->type = ix; |
|
|
856 | req->sv1 = newSVsv (oldpath); |
|
|
857 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
858 | req->sv2 = newSVsv (newpath); |
|
|
859 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
| 1344 | |
860 | |
| 1345 | REQ_SEND; |
861 | REQ_SEND; |
| 1346 | } |
862 | } |
| 1347 | |
863 | |
| 1348 | void |
864 | void |
| 1349 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
865 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
| 1350 | SV * oldpath |
|
|
| 1351 | SV * newpath |
|
|
| 1352 | SV * callback |
|
|
| 1353 | ALIAS: |
|
|
| 1354 | aio_link = REQ_LINK |
|
|
| 1355 | aio_symlink = REQ_SYMLINK |
|
|
| 1356 | aio_rename = REQ_RENAME |
|
|
| 1357 | PPCODE: |
866 | PPCODE: |
| 1358 | { |
867 | { |
| 1359 | dREQ; |
868 | dREQ; |
| 1360 | |
869 | |
| 1361 | req->type = ix; |
870 | req->type = EIO_MKNOD; |
| 1362 | req->fh = newSVsv (oldpath); |
871 | req->sv1 = newSVsv (pathname); |
| 1363 | req->data2ptr = SvPVbyte_nolen (req->fh); |
872 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1364 | req->data = newSVsv (newpath); |
873 | req->int2 = (mode_t)mode; |
| 1365 | req->dataptr = SvPVbyte_nolen (req->data); |
874 | req->offs = dev; |
| 1366 | |
875 | |
| 1367 | REQ_SEND; |
876 | REQ_SEND; |
| 1368 | } |
877 | } |
| 1369 | |
878 | |
| 1370 | void |
879 | void |
| 1371 | aio_busy (delay,callback=&PL_sv_undef) |
880 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
| 1372 | double delay |
|
|
| 1373 | SV * callback |
|
|
| 1374 | PPCODE: |
881 | PPCODE: |
| 1375 | { |
882 | { |
| 1376 | dREQ; |
883 | dREQ; |
| 1377 | |
884 | |
| 1378 | req->type = REQ_BUSY; |
885 | req->type = EIO_BUSY; |
| 1379 | req->fd = delay < 0. ? 0 : delay; |
886 | req->nv1 = delay < 0. ? 0. : delay; |
| 1380 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
| 1381 | |
887 | |
| 1382 | REQ_SEND; |
888 | REQ_SEND; |
| 1383 | } |
889 | } |
| 1384 | |
890 | |
| 1385 | void |
891 | void |
| 1386 | aio_group (callback=&PL_sv_undef) |
892 | aio_group (SV *callback=&PL_sv_undef) |
| 1387 | SV * callback |
|
|
| 1388 | PROTOTYPE: ;$ |
893 | PROTOTYPE: ;$ |
| 1389 | PPCODE: |
894 | PPCODE: |
| 1390 | { |
895 | { |
| 1391 | dREQ; |
896 | dREQ; |
| 1392 | |
897 | |
| 1393 | req->type = REQ_GROUP; |
898 | req->type = EIO_GROUP; |
|
|
899 | |
| 1394 | req_send (req); |
900 | eio_submit (req); |
| 1395 | |
|
|
| 1396 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
901 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
| 1397 | } |
902 | } |
| 1398 | |
903 | |
| 1399 | void |
904 | void |
| 1400 | aio_nop (callback=&PL_sv_undef) |
905 | aio_nop (SV *callback=&PL_sv_undef) |
| 1401 | SV * callback |
906 | ALIAS: |
|
|
907 | aio_nop = EIO_NOP |
|
|
908 | aio_sync = EIO_SYNC |
| 1402 | PPCODE: |
909 | PPCODE: |
| 1403 | { |
910 | { |
| 1404 | dREQ; |
911 | dREQ; |
| 1405 | |
912 | |
| 1406 | req->type = REQ_NOP; |
913 | req->type = ix; |
| 1407 | |
914 | |
| 1408 | REQ_SEND; |
915 | REQ_SEND; |
| 1409 | } |
916 | } |
| 1410 | |
917 | |
| 1411 | int |
918 | int |
| 1412 | aioreq_pri (int pri = 0) |
919 | aioreq_pri (int pri = 0) |
| 1413 | PROTOTYPE: ;$ |
920 | PROTOTYPE: ;$ |
| 1414 | CODE: |
921 | CODE: |
| 1415 | RETVAL = next_pri - PRI_BIAS; |
922 | RETVAL = next_pri; |
| 1416 | if (items > 0) |
923 | if (items > 0) |
| 1417 | { |
924 | { |
| 1418 | if (pri < PRI_MIN) pri = PRI_MIN; |
925 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
| 1419 | if (pri > PRI_MAX) pri = PRI_MAX; |
926 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
| 1420 | next_pri = pri + PRI_BIAS; |
927 | next_pri = pri; |
| 1421 | } |
928 | } |
| 1422 | OUTPUT: |
929 | OUTPUT: |
| 1423 | RETVAL |
930 | RETVAL |
| 1424 | |
931 | |
| 1425 | void |
932 | void |
| 1426 | aioreq_nice (int nice = 0) |
933 | aioreq_nice (int nice = 0) |
| 1427 | CODE: |
934 | CODE: |
| 1428 | nice = next_pri - nice; |
935 | nice = next_pri - nice; |
| 1429 | if (nice < PRI_MIN) nice = PRI_MIN; |
936 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
| 1430 | if (nice > PRI_MAX) nice = PRI_MAX; |
937 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
| 1431 | next_pri = nice + PRI_BIAS; |
938 | next_pri = nice; |
| 1432 | |
939 | |
| 1433 | void |
940 | void |
| 1434 | flush () |
941 | flush () |
| 1435 | PROTOTYPE: |
942 | PROTOTYPE: |
| 1436 | CODE: |
943 | CODE: |
| 1437 | while (nreqs) |
944 | while (eio_nreqs ()) |
| 1438 | { |
945 | { |
| 1439 | poll_wait (); |
946 | poll_wait (); |
| 1440 | poll_cb (0); |
947 | poll_cb (); |
| 1441 | } |
948 | } |
| 1442 | |
949 | |
| 1443 | void |
950 | int |
| 1444 | poll() |
951 | poll() |
| 1445 | PROTOTYPE: |
952 | PROTOTYPE: |
| 1446 | CODE: |
953 | CODE: |
| 1447 | if (nreqs) |
|
|
| 1448 | { |
|
|
| 1449 | poll_wait (); |
954 | poll_wait (); |
| 1450 | poll_cb (0); |
955 | RETVAL = poll_cb (); |
| 1451 | } |
956 | OUTPUT: |
|
|
957 | RETVAL |
| 1452 | |
958 | |
| 1453 | int |
959 | int |
| 1454 | poll_fileno() |
960 | poll_fileno() |
| 1455 | PROTOTYPE: |
961 | PROTOTYPE: |
| 1456 | CODE: |
962 | CODE: |
| … | |
… | |
| 1460 | |
966 | |
| 1461 | int |
967 | int |
| 1462 | poll_cb(...) |
968 | poll_cb(...) |
| 1463 | PROTOTYPE: |
969 | PROTOTYPE: |
| 1464 | CODE: |
970 | CODE: |
| 1465 | RETVAL = poll_cb (0); |
971 | RETVAL = poll_cb (); |
| 1466 | OUTPUT: |
972 | OUTPUT: |
| 1467 | RETVAL |
973 | RETVAL |
| 1468 | |
974 | |
| 1469 | int |
|
|
| 1470 | poll_some(int max = 0) |
|
|
| 1471 | PROTOTYPE: $ |
|
|
| 1472 | CODE: |
|
|
| 1473 | RETVAL = poll_cb (max); |
|
|
| 1474 | OUTPUT: |
|
|
| 1475 | RETVAL |
|
|
| 1476 | |
|
|
| 1477 | void |
975 | void |
| 1478 | poll_wait() |
976 | poll_wait() |
| 1479 | PROTOTYPE: |
977 | PROTOTYPE: |
| 1480 | CODE: |
978 | CODE: |
| 1481 | if (nreqs) |
|
|
| 1482 | poll_wait (); |
979 | poll_wait (); |
| 1483 | |
980 | |
| 1484 | int |
981 | int |
| 1485 | nreqs() |
982 | nreqs() |
| 1486 | PROTOTYPE: |
983 | PROTOTYPE: |
| 1487 | CODE: |
984 | CODE: |
| 1488 | RETVAL = nreqs; |
985 | RETVAL = eio_nreqs (); |
| 1489 | OUTPUT: |
986 | OUTPUT: |
| 1490 | RETVAL |
987 | RETVAL |
| 1491 | |
988 | |
| 1492 | int |
989 | int |
| 1493 | nready() |
990 | nready() |
| 1494 | PROTOTYPE: |
991 | PROTOTYPE: |
| 1495 | CODE: |
992 | CODE: |
| 1496 | if (WORDREAD_UNSAFE) LOCK (reqlock); |
|
|
| 1497 | RETVAL = nready; |
993 | RETVAL = eio_nready (); |
| 1498 | if (WORDREAD_UNSAFE) UNLOCK (reqlock); |
|
|
| 1499 | OUTPUT: |
994 | OUTPUT: |
| 1500 | RETVAL |
995 | RETVAL |
| 1501 | |
996 | |
| 1502 | int |
997 | int |
| 1503 | npending() |
998 | npending() |
| 1504 | PROTOTYPE: |
999 | PROTOTYPE: |
| 1505 | CODE: |
1000 | CODE: |
| 1506 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
| 1507 | RETVAL = npending; |
1001 | RETVAL = eio_npending (); |
| 1508 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
| 1509 | OUTPUT: |
1002 | OUTPUT: |
| 1510 | RETVAL |
1003 | RETVAL |
| 1511 | |
1004 | |
|
|
1005 | int |
|
|
1006 | nthreads() |
|
|
1007 | PROTOTYPE: |
|
|
1008 | CODE: |
|
|
1009 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
|
|
1010 | RETVAL = started; |
|
|
1011 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1012 | OUTPUT: |
|
|
1013 | RETVAL |
|
|
1014 | |
|
|
1015 | void _on_next_submit (SV *cb) |
|
|
1016 | CODE: |
|
|
1017 | SvREFCNT_dec (on_next_submit); |
|
|
1018 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1019 | |
| 1512 | PROTOTYPES: DISABLE |
1020 | PROTOTYPES: DISABLE |
| 1513 | |
1021 | |
| 1514 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1022 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
| 1515 | |
1023 | |
| 1516 | void |
1024 | void |
| 1517 | cancel (aio_req_ornot req) |
1025 | cancel (aio_req_ornot req) |
| 1518 | CODE: |
1026 | CODE: |
| 1519 | req_cancel (req); |
1027 | eio_cancel (req); |
| 1520 | |
1028 | |
| 1521 | void |
1029 | void |
| 1522 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1030 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
| 1523 | CODE: |
1031 | CODE: |
| 1524 | SvREFCNT_dec (req->callback); |
1032 | SvREFCNT_dec (req->callback); |
| … | |
… | |
| 1529 | void |
1037 | void |
| 1530 | add (aio_req grp, ...) |
1038 | add (aio_req grp, ...) |
| 1531 | PPCODE: |
1039 | PPCODE: |
| 1532 | { |
1040 | { |
| 1533 | int i; |
1041 | int i; |
| 1534 | aio_req req; |
|
|
| 1535 | |
1042 | |
| 1536 | if (grp->fd == 2) |
1043 | if (grp->int1 == 2) |
| 1537 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1044 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
| 1538 | |
1045 | |
| 1539 | for (i = 1; i < items; ++i ) |
1046 | for (i = 1; i < items; ++i ) |
| 1540 | { |
1047 | { |
|
|
1048 | aio_req req; |
|
|
1049 | |
| 1541 | if (GIMME_V != G_VOID) |
1050 | if (GIMME_V != G_VOID) |
| 1542 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1051 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
| 1543 | |
1052 | |
| 1544 | req = SvAIO_REQ (ST (i)); |
1053 | req = SvAIO_REQ (ST (i)); |
| 1545 | |
1054 | |
| 1546 | if (req) |
1055 | if (req) |
| 1547 | { |
1056 | eio_grp_add (grp, req); |
| 1548 | ++grp->length; |
|
|
| 1549 | req->grp = grp; |
|
|
| 1550 | |
|
|
| 1551 | req->grp_prev = 0; |
|
|
| 1552 | req->grp_next = grp->grp_first; |
|
|
| 1553 | |
|
|
| 1554 | if (grp->grp_first) |
|
|
| 1555 | grp->grp_first->grp_prev = req; |
|
|
| 1556 | |
|
|
| 1557 | grp->grp_first = req; |
|
|
| 1558 | } |
|
|
| 1559 | } |
1057 | } |
| 1560 | } |
1058 | } |
| 1561 | |
1059 | |
| 1562 | void |
1060 | void |
| 1563 | cancel_subs (aio_req_ornot req) |
1061 | cancel_subs (aio_req_ornot req) |
| … | |
… | |
| 1576 | av = newAV (); |
1074 | av = newAV (); |
| 1577 | |
1075 | |
| 1578 | for (i = 1; i < items; ++i ) |
1076 | for (i = 1; i < items; ++i ) |
| 1579 | av_push (av, newSVsv (ST (i))); |
1077 | av_push (av, newSVsv (ST (i))); |
| 1580 | |
1078 | |
| 1581 | SvREFCNT_dec (grp->data); |
1079 | SvREFCNT_dec (grp->sv1); |
| 1582 | grp->data = (SV *)av; |
1080 | grp->sv1 = (SV *)av; |
| 1583 | } |
1081 | } |
| 1584 | |
1082 | |
| 1585 | void |
1083 | void |
| 1586 | errno (aio_req grp, int errorno = errno) |
1084 | errno (aio_req grp, int errorno = errno) |
| 1587 | CODE: |
1085 | CODE: |
| 1588 | grp->errorno = errorno; |
1086 | grp->errorno = errorno; |
| 1589 | |
1087 | |
| 1590 | void |
1088 | void |
| 1591 | limit (aio_req grp, int limit) |
1089 | limit (aio_req grp, int limit) |
| 1592 | CODE: |
1090 | CODE: |
| 1593 | grp->fd2 = limit; |
1091 | eio_grp_limit (grp, limit); |
| 1594 | aio_grp_feed (grp); |
|
|
| 1595 | |
1092 | |
| 1596 | void |
1093 | void |
| 1597 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1094 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
| 1598 | CODE: |
1095 | CODE: |
| 1599 | { |
1096 | { |
| 1600 | SvREFCNT_dec (grp->fh2); |
1097 | SvREFCNT_dec (grp->sv2); |
| 1601 | grp->fh2 = newSVsv (callback); |
1098 | grp->sv2 = newSVsv (callback); |
| 1602 | |
1099 | |
| 1603 | if (grp->fd2 <= 0) |
1100 | if (grp->int2 <= 0) |
| 1604 | grp->fd2 = 2; |
1101 | grp->int2 = 2; |
| 1605 | |
1102 | |
| 1606 | aio_grp_feed (grp); |
1103 | eio_grp_limit (grp, grp->int2); |
| 1607 | } |
1104 | } |
| 1608 | |
1105 | |
