| 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 | /* buffer size for various temporary buffers */ |
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| 67 | #define AIO_BUFSIZE 65536 |
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| 68 | |
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| 69 | #define dBUF \ |
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| 70 | char *aio_buf; \ |
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| 71 | LOCK (wrklock); \ |
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| 72 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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| 73 | UNLOCK (wrklock); \ |
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| 74 | if (!aio_buf) \ |
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| 75 | return -1; |
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| 76 | |
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| 77 | enum { |
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| 78 | REQ_QUIT, |
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| 79 | REQ_OPEN, REQ_CLOSE, |
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| 80 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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| 81 | REQ_SENDFILE, |
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| 82 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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| 83 | REQ_FSYNC, REQ_FDATASYNC, |
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| 84 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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| 85 | REQ_READDIR, |
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| 86 | REQ_LINK, REQ_SYMLINK, |
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| 87 | REQ_GROUP, REQ_NOP, |
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| 88 | REQ_BUSY, |
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| 89 | }; |
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| 90 | |
81 | |
| 91 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
| 92 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
| 93 | |
84 | |
| 94 | typedef struct aio_cb |
85 | #define EIO_REQ_MEMBERS \ |
| 95 | { |
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| 96 | struct aio_cb *volatile next; |
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| 97 | |
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| 98 | SV *data, *callback; |
86 | SV *callback; \ |
| 99 | SV *fh, *fh2; |
87 | SV *sv1, *sv2; \ |
| 100 | void *dataptr, *data2ptr; |
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| 101 | Stat_t *statdata; |
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| 102 | off_t offset; |
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| 103 | size_t length; |
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| 104 | ssize_t result; |
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| 105 | |
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| 106 | STRLEN dataoffset; |
88 | STRLEN stroffset; \ |
| 107 | int type; |
89 | SV *self; |
| 108 | int fd, fd2; |
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| 109 | int errorno; |
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| 110 | mode_t mode; /* open */ |
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| 111 | |
90 | |
| 112 | unsigned char flags; |
91 | #define EIO_NO_WRAPPERS 1 |
| 113 | unsigned char pri; |
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| 114 | |
92 | |
| 115 | SV *self; /* the perl counterpart of this request, if any */ |
93 | #include "libeio/eio.h" |
| 116 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
94 | |
| 117 | } aio_cb; |
95 | static int req_invoke (eio_req *req); |
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96 | #define EIO_FINISH(req) req_invoke (req) |
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97 | static void aio_grp_feed (eio_req *grp); |
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98 | #define EIO_FEED(req) aio_grp_feed (req) |
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99 | static void req_destroy (eio_req *grp); |
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100 | #define EIO_DESTROY(req) req_destroy (req) |
| 118 | |
101 | |
| 119 | enum { |
102 | enum { |
| 120 | FLAG_CANCELLED = 0x01, |
103 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
| 121 | }; |
104 | }; |
| 122 | |
105 | |
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106 | #include "libeio/eio.c" |
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107 | |
| 123 | typedef aio_cb *aio_req; |
108 | typedef eio_req *aio_req; |
| 124 | typedef aio_cb *aio_req_ornot; |
109 | typedef eio_req *aio_req_ornot; |
| 125 | |
110 | |
| 126 | enum { |
111 | static SV *on_next_submit; |
| 127 | PRI_MIN = -4, |
112 | static int next_pri = EIO_PRI_DEFAULT; |
| 128 | PRI_MAX = 4, |
113 | static int max_outstanding; |
| 129 | |
114 | |
| 130 | DEFAULT_PRI = 0, |
115 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
| 131 | PRI_BIAS = -PRI_MIN, |
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| 132 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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| 133 | }; |
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| 134 | |
116 | |
| 135 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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| 136 | |
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| 137 | static int started, wanted; |
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| 138 | static volatile int nreqs; |
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| 139 | static int respipe [2]; |
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| 140 | |
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| 141 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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| 142 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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| 143 | #else |
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| 144 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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| 145 | #endif |
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| 146 | |
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| 147 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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| 148 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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| 149 | |
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| 150 | /* worker threads management */ |
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| 151 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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| 152 | |
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| 153 | typedef struct worker { |
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| 154 | /* locked by wrklock */ |
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| 155 | struct worker *prev, *next; |
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| 156 | |
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| 157 | pthread_t tid; |
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| 158 | |
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| 159 | /* locked by reslock, reqlock or wrklock */ |
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| 160 | aio_req req; /* currently processed request */ |
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| 161 | void *dbuf; |
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| 162 | DIR *dirp; |
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| 163 | } worker; |
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| 164 | |
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| 165 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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| 166 | |
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| 167 | static void worker_clear (worker *wrk) |
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| 168 | { |
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| 169 | if (wrk->dirp) |
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| 170 | { |
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| 171 | closedir (wrk->dirp); |
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| 172 | wrk->dirp = 0; |
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| 173 | } |
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| 174 | |
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| 175 | if (wrk->dbuf) |
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| 176 | { |
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| 177 | free (wrk->dbuf); |
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| 178 | wrk->dbuf = 0; |
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| 179 | } |
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| 180 | } |
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| 181 | |
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| 182 | static void worker_free (worker *wrk) |
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| 183 | { |
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| 184 | wrk->next->prev = wrk->prev; |
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| 185 | wrk->prev->next = wrk->next; |
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| 186 | |
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| 187 | free (wrk); |
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| 188 | } |
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| 189 | |
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| 190 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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| 191 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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| 192 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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| 193 | |
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| 194 | /* |
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| 195 | * a somewhat faster data structure might be nice, but |
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| 196 | * with 8 priorities this actually needs <20 insns |
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| 197 | * per shift, the most expensive operation. |
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| 198 | */ |
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| 199 | typedef struct { |
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| 200 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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| 201 | int size; |
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| 202 | } reqq; |
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| 203 | |
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| 204 | static reqq req_queue; |
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| 205 | static reqq res_queue; |
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| 206 | |
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| 207 | int reqq_push (reqq *q, aio_req req) |
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| 208 | { |
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| 209 | int pri = req->pri; |
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| 210 | req->next = 0; |
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| 211 | |
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| 212 | if (q->qe[pri]) |
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| 213 | { |
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| 214 | q->qe[pri]->next = req; |
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| 215 | q->qe[pri] = req; |
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| 216 | } |
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| 217 | else |
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| 218 | q->qe[pri] = q->qs[pri] = req; |
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| 219 | |
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| 220 | return q->size++; |
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| 221 | } |
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| 222 | |
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| 223 | aio_req reqq_shift (reqq *q) |
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| 224 | { |
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| 225 | int pri; |
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| 226 | |
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| 227 | if (!q->size) |
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| 228 | return 0; |
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| 229 | |
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| 230 | --q->size; |
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| 231 | |
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| 232 | for (pri = NUM_PRI; pri--; ) |
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| 233 | { |
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| 234 | aio_req req = q->qs[pri]; |
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| 235 | |
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| 236 | if (req) |
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| 237 | { |
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| 238 | if (!(q->qs[pri] = req->next)) |
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| 239 | q->qe[pri] = 0; |
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| 240 | |
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| 241 | return req; |
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| 242 | } |
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| 243 | } |
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| 244 | |
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| 245 | abort (); |
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| 246 | } |
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| 247 | |
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| 248 | static int poll_cb (int max); |
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| 249 | static void req_invoke (aio_req req); |
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| 250 | static void req_free (aio_req req); |
117 | static void req_destroy (aio_req req); |
| 251 | static void req_cancel (aio_req req); |
118 | static void req_cancel (aio_req req); |
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119 | |
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120 | static void want_poll (void) |
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121 | { |
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122 | /* write a dummy byte to the pipe so fh becomes ready */ |
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123 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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124 | } |
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125 | |
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126 | static void done_poll (void) |
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127 | { |
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128 | /* read any signals sent by the worker threads */ |
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129 | char buf [4]; |
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130 | while (respipe_read (respipe [0], buf, 4) == 4) |
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131 | ; |
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132 | } |
| 252 | |
133 | |
| 253 | /* must be called at most once */ |
134 | /* must be called at most once */ |
| 254 | static SV *req_sv (aio_req req, const char *klass) |
135 | static SV *req_sv (aio_req req, const char *klass) |
| 255 | { |
136 | { |
| 256 | if (!req->self) |
137 | if (!req->self) |
| … | |
… | |
| 274 | return mg ? (aio_req)mg->mg_ptr : 0; |
155 | return mg ? (aio_req)mg->mg_ptr : 0; |
| 275 | } |
156 | } |
| 276 | |
157 | |
| 277 | static void aio_grp_feed (aio_req grp) |
158 | static void aio_grp_feed (aio_req grp) |
| 278 | { |
159 | { |
| 279 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
160 | if (grp->sv2 && SvOK (grp->sv2)) |
| 280 | { |
161 | { |
| 281 | int old_len = grp->length; |
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| 282 | |
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| 283 | if (grp->fh2 && SvOK (grp->fh2)) |
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| 284 | { |
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| 285 | dSP; |
162 | dSP; |
| 286 | |
163 | |
| 287 | ENTER; |
164 | ENTER; |
| 288 | SAVETMPS; |
165 | SAVETMPS; |
| 289 | PUSHMARK (SP); |
166 | PUSHMARK (SP); |
| 290 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
167 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
| 291 | PUTBACK; |
168 | PUTBACK; |
| 292 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
169 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
| 293 | SPAGAIN; |
170 | SPAGAIN; |
| 294 | FREETMPS; |
171 | FREETMPS; |
| 295 | LEAVE; |
172 | LEAVE; |
| 296 | } |
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| 297 | |
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| 298 | /* stop if no progress has been made */ |
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| 299 | if (old_len == grp->length) |
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| 300 | { |
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| 301 | SvREFCNT_dec (grp->fh2); |
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| 302 | grp->fh2 = 0; |
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| 303 | break; |
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| 304 | } |
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| 305 | } |
173 | } |
| 306 | } |
174 | } |
| 307 | |
175 | |
| 308 | static void aio_grp_dec (aio_req grp) |
176 | static void req_submit (eio_req *req) |
| 309 | { |
177 | { |
| 310 | --grp->length; |
178 | eio_submit (req); |
| 311 | |
179 | |
| 312 | /* call feeder, if applicable */ |
180 | if (on_next_submit) |
| 313 | aio_grp_feed (grp); |
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| 314 | |
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| 315 | /* finish, if done */ |
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| 316 | if (!grp->length && grp->fd) |
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| 317 | { |
181 | { |
| 318 | req_invoke (grp); |
182 | dSP; |
| 319 | req_free (grp); |
183 | SV *cb = sv_2mortal (on_next_submit); |
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184 | |
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185 | on_next_submit = 0; |
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186 | |
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187 | PUSHMARK (SP); |
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188 | PUTBACK; |
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189 | call_sv (cb, G_DISCARD | G_EVAL); |
| 320 | } |
190 | } |
| 321 | } |
191 | } |
| 322 | |
192 | |
| 323 | static void poll_wait () |
193 | static int req_invoke (eio_req *req) |
| 324 | { |
194 | { |
| 325 | fd_set rfd; |
195 | dSP; |
| 326 | |
196 | |
| 327 | while (nreqs) |
197 | if (req->flags & FLAG_SV2_RO_OFF) |
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198 | SvREADONLY_off (req->sv2); |
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199 | |
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200 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
| 328 | { |
201 | { |
| 329 | int size; |
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| 330 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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| 331 | LOCK (reslock); |
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| 332 | #endif |
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| 333 | size = res_queue.size; |
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| 334 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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| 335 | UNLOCK (reslock); |
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| 336 | #endif |
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| 337 | |
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| 338 | if (size) |
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| 339 | return; |
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| 340 | |
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| 341 | FD_ZERO(&rfd); |
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| 342 | FD_SET(respipe [0], &rfd); |
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| 343 | |
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| 344 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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| 345 | } |
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| 346 | } |
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| 347 | |
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| 348 | static void req_invoke (aio_req req) |
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| 349 | { |
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| 350 | dSP; |
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| 351 | |
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| 352 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
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|
| 353 | { |
|
|
| 354 | errno = req->errorno; |
|
|
| 355 | |
|
|
| 356 | ENTER; |
202 | ENTER; |
| 357 | SAVETMPS; |
203 | SAVETMPS; |
| 358 | PUSHMARK (SP); |
204 | PUSHMARK (SP); |
| 359 | EXTEND (SP, 1); |
205 | EXTEND (SP, 1); |
| 360 | |
206 | |
| 361 | switch (req->type) |
207 | switch (req->type) |
| 362 | { |
208 | { |
| 363 | case REQ_READDIR: |
209 | case EIO_READDIR: |
| 364 | { |
210 | { |
| 365 | SV *rv = &PL_sv_undef; |
211 | SV *rv = &PL_sv_undef; |
| 366 | |
212 | |
| 367 | if (req->result >= 0) |
213 | if (req->result >= 0) |
| 368 | { |
214 | { |
| 369 | int i; |
215 | int i; |
| 370 | char *buf = req->data2ptr; |
216 | char *buf = req->ptr2; |
| 371 | AV *av = newAV (); |
217 | AV *av = newAV (); |
| 372 | |
218 | |
| 373 | av_extend (av, req->result - 1); |
219 | av_extend (av, req->result - 1); |
| 374 | |
220 | |
| 375 | for (i = 0; i < req->result; ++i) |
221 | for (i = 0; i < req->result; ++i) |
| … | |
… | |
| 385 | |
231 | |
| 386 | PUSHs (rv); |
232 | PUSHs (rv); |
| 387 | } |
233 | } |
| 388 | break; |
234 | break; |
| 389 | |
235 | |
| 390 | case REQ_OPEN: |
236 | case EIO_OPEN: |
| 391 | { |
237 | { |
| 392 | /* convert fd to fh */ |
238 | /* convert fd to fh */ |
| 393 | SV *fh; |
239 | SV *fh = &PL_sv_undef; |
| 394 | |
240 | |
| 395 | PUSHs (sv_2mortal (newSViv (req->result))); |
241 | if (req->result >= 0) |
| 396 | PUTBACK; |
242 | { |
| 397 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
243 | GV *gv = (GV *)sv_newmortal (); |
| 398 | SPAGAIN; |
244 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
245 | char sym [64]; |
|
|
246 | int symlen; |
|
|
247 | |
|
|
248 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
249 | gv_init (gv, stash, sym, symlen, 0); |
| 399 | |
250 | |
| 400 | fh = SvREFCNT_inc (POPs); |
251 | symlen = snprintf ( |
|
|
252 | sym, |
|
|
253 | sizeof (sym), |
|
|
254 | "%s&=%d", |
|
|
255 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
256 | req->result |
|
|
257 | ); |
| 401 | |
258 | |
|
|
259 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
260 | fh = (SV *)gv; |
|
|
261 | } |
|
|
262 | |
| 402 | PUSHMARK (SP); |
263 | PUSHs (fh); |
| 403 | XPUSHs (sv_2mortal (fh)); |
|
|
| 404 | } |
264 | } |
| 405 | break; |
265 | break; |
| 406 | |
266 | |
| 407 | case REQ_GROUP: |
267 | case EIO_GROUP: |
| 408 | req->fd = 2; /* mark group as finished */ |
268 | req->int1 = 2; /* mark group as finished */ |
| 409 | |
269 | |
| 410 | if (req->data) |
270 | if (req->sv1) |
| 411 | { |
271 | { |
| 412 | int i; |
272 | int i; |
| 413 | AV *av = (AV *)req->data; |
273 | AV *av = (AV *)req->sv1; |
| 414 | |
274 | |
| 415 | EXTEND (SP, AvFILL (av) + 1); |
275 | EXTEND (SP, AvFILL (av) + 1); |
| 416 | for (i = 0; i <= AvFILL (av); ++i) |
276 | for (i = 0; i <= AvFILL (av); ++i) |
| 417 | PUSHs (*av_fetch (av, i, 0)); |
277 | PUSHs (*av_fetch (av, i, 0)); |
| 418 | } |
278 | } |
| 419 | break; |
279 | break; |
| 420 | |
280 | |
| 421 | case REQ_NOP: |
281 | case EIO_NOP: |
| 422 | case REQ_BUSY: |
282 | case EIO_BUSY: |
| 423 | break; |
283 | break; |
|
|
284 | |
|
|
285 | case EIO_READLINK: |
|
|
286 | if (req->result > 0) |
|
|
287 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
288 | break; |
|
|
289 | |
|
|
290 | case EIO_STAT: |
|
|
291 | case EIO_LSTAT: |
|
|
292 | case EIO_FSTAT: |
|
|
293 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
294 | PL_laststatval = req->result; |
|
|
295 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
296 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
297 | break; |
|
|
298 | |
|
|
299 | case EIO_READ: |
|
|
300 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
301 | *SvEND (req->sv2) = 0; |
|
|
302 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
303 | break; |
|
|
304 | |
|
|
305 | case EIO_DUP2: |
|
|
306 | if (req->result > 0) |
|
|
307 | req->result = 0; |
|
|
308 | /* FALLTHROUGH */ |
| 424 | |
309 | |
| 425 | default: |
310 | default: |
| 426 | PUSHs (sv_2mortal (newSViv (req->result))); |
311 | PUSHs (sv_2mortal (newSViv (req->result))); |
| 427 | break; |
312 | break; |
| 428 | } |
313 | } |
| 429 | |
314 | |
|
|
315 | errno = req->errorno; |
| 430 | |
316 | |
| 431 | PUTBACK; |
317 | PUTBACK; |
| 432 | call_sv (req->callback, G_VOID | G_EVAL); |
318 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
| 433 | SPAGAIN; |
319 | SPAGAIN; |
| 434 | |
320 | |
| 435 | FREETMPS; |
321 | FREETMPS; |
| 436 | LEAVE; |
322 | LEAVE; |
|
|
323 | |
|
|
324 | PUTBACK; |
| 437 | } |
325 | } |
| 438 | |
326 | |
| 439 | if (req->grp) |
327 | return !!SvTRUE (ERRSV); |
| 440 | { |
|
|
| 441 | aio_req grp = req->grp; |
|
|
| 442 | |
|
|
| 443 | /* unlink request */ |
|
|
| 444 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
| 445 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
| 446 | |
|
|
| 447 | if (grp->grp_first == req) |
|
|
| 448 | grp->grp_first = req->grp_next; |
|
|
| 449 | |
|
|
| 450 | aio_grp_dec (grp); |
|
|
| 451 | } |
|
|
| 452 | |
|
|
| 453 | if (SvTRUE (ERRSV)) |
|
|
| 454 | { |
|
|
| 455 | req_free (req); |
|
|
| 456 | croak (0); |
|
|
| 457 | } |
|
|
| 458 | } |
328 | } |
| 459 | |
329 | |
| 460 | static void req_free (aio_req req) |
330 | static void req_destroy (aio_req req) |
| 461 | { |
331 | { |
| 462 | if (req->self) |
332 | if (req->self) |
| 463 | { |
333 | { |
| 464 | sv_unmagic (req->self, PERL_MAGIC_ext); |
334 | sv_unmagic (req->self, PERL_MAGIC_ext); |
| 465 | SvREFCNT_dec (req->self); |
335 | SvREFCNT_dec (req->self); |
| 466 | } |
336 | } |
| 467 | |
337 | |
| 468 | SvREFCNT_dec (req->data); |
|
|
| 469 | SvREFCNT_dec (req->fh); |
338 | SvREFCNT_dec (req->sv1); |
| 470 | SvREFCNT_dec (req->fh2); |
339 | SvREFCNT_dec (req->sv2); |
| 471 | SvREFCNT_dec (req->callback); |
340 | SvREFCNT_dec (req->callback); |
| 472 | Safefree (req->statdata); |
|
|
| 473 | |
|
|
| 474 | if (req->type == REQ_READDIR) |
|
|
| 475 | free (req->data2ptr); |
|
|
| 476 | |
341 | |
| 477 | Safefree (req); |
342 | Safefree (req); |
| 478 | } |
343 | } |
| 479 | |
344 | |
| 480 | static void req_cancel_subs (aio_req grp) |
345 | static void req_cancel_subs (aio_req grp) |
| 481 | { |
346 | { |
| 482 | aio_req sub; |
347 | aio_req sub; |
| 483 | |
348 | |
| 484 | if (grp->type != REQ_GROUP) |
349 | if (grp->type != EIO_GROUP) |
| 485 | return; |
350 | return; |
| 486 | |
351 | |
| 487 | SvREFCNT_dec (grp->fh2); |
352 | SvREFCNT_dec (grp->sv2); |
| 488 | grp->fh2 = 0; |
353 | grp->sv2 = 0; |
| 489 | |
354 | |
| 490 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
355 | eio_grp_cancel (grp); |
| 491 | req_cancel (sub); |
|
|
| 492 | } |
356 | } |
| 493 | |
357 | |
| 494 | static void req_cancel (aio_req req) |
358 | #ifdef USE_SOCKETS_AS_HANDLES |
| 495 | { |
359 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
| 496 | req->flags |= FLAG_CANCELLED; |
360 | #else |
|
|
361 | # define TO_SOCKET(x) (x) |
|
|
362 | #endif |
| 497 | |
363 | |
| 498 | req_cancel_subs (req); |
364 | static void |
| 499 | } |
365 | create_respipe (void) |
| 500 | |
|
|
| 501 | static int poll_cb (int max) |
|
|
| 502 | { |
366 | { |
| 503 | dSP; |
367 | int old_readfd = respipe [0]; |
| 504 | int count = 0; |
|
|
| 505 | int do_croak = 0; |
|
|
| 506 | aio_req req; |
|
|
| 507 | |
368 | |
| 508 | while (max <= 0 || count < max) |
369 | if (respipe [1] >= 0) |
|
|
370 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
371 | |
|
|
372 | #ifdef _WIN32 |
|
|
373 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
374 | #else |
|
|
375 | if (pipe (respipe)) |
|
|
376 | #endif |
|
|
377 | croak ("unable to initialize result pipe"); |
|
|
378 | |
|
|
379 | if (old_readfd >= 0) |
| 509 | { |
380 | { |
| 510 | LOCK (reslock); |
381 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
| 511 | req = reqq_shift (&res_queue); |
382 | croak ("unable to initialize result pipe(2)"); |
| 512 | |
383 | |
| 513 | if (req) |
384 | respipe_close (respipe [0]); |
| 514 | { |
385 | respipe [0] = old_readfd; |
| 515 | if (!res_queue.size) |
|
|
| 516 | { |
|
|
| 517 | /* read any signals sent by the worker threads */ |
|
|
| 518 | char buf [32]; |
|
|
| 519 | while (read (respipe [0], buf, 32) == 32) |
|
|
| 520 | ; |
|
|
| 521 | } |
|
|
| 522 | } |
|
|
| 523 | |
|
|
| 524 | UNLOCK (reslock); |
|
|
| 525 | |
|
|
| 526 | if (!req) |
|
|
| 527 | break; |
|
|
| 528 | |
|
|
| 529 | --nreqs; |
|
|
| 530 | |
|
|
| 531 | if (req->type == REQ_QUIT) |
|
|
| 532 | started--; |
|
|
| 533 | else if (req->type == REQ_GROUP && req->length) |
|
|
| 534 | { |
|
|
| 535 | req->fd = 1; /* mark request as delayed */ |
|
|
| 536 | continue; |
|
|
| 537 | } |
|
|
| 538 | else |
|
|
| 539 | { |
|
|
| 540 | if (req->type == REQ_READ) |
|
|
| 541 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
| 542 | |
|
|
| 543 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
| 544 | SvREADONLY_off (req->data); |
|
|
| 545 | |
|
|
| 546 | if (req->statdata) |
|
|
| 547 | { |
|
|
| 548 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
| 549 | PL_laststatval = req->result; |
|
|
| 550 | PL_statcache = *(req->statdata); |
|
|
| 551 | } |
|
|
| 552 | |
|
|
| 553 | req_invoke (req); |
|
|
| 554 | |
|
|
| 555 | count++; |
|
|
| 556 | } |
|
|
| 557 | |
|
|
| 558 | req_free (req); |
|
|
| 559 | } |
386 | } |
| 560 | |
387 | |
| 561 | return count; |
388 | #ifdef _WIN32 |
| 562 | } |
389 | int arg = 1; |
|
|
390 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
391 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
392 | #else |
|
|
393 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
394 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
395 | #endif |
|
|
396 | croak ("unable to initialize result pipe(3)"); |
| 563 | |
397 | |
| 564 | static void *aio_proc(void *arg); |
398 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
399 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
400 | } |
| 565 | |
401 | |
| 566 | static void start_thread (void) |
402 | static void poll_wait (void) |
| 567 | { |
403 | { |
| 568 | sigset_t fullsigset, oldsigset; |
404 | fd_set rfd; |
| 569 | pthread_attr_t attr; |
|
|
| 570 | |
405 | |
| 571 | worker *wrk = calloc (1, sizeof (worker)); |
406 | while (eio_nreqs ()) |
| 572 | |
|
|
| 573 | if (!wrk) |
|
|
| 574 | croak ("unable to allocate worker thread data"); |
|
|
| 575 | |
|
|
| 576 | pthread_attr_init (&attr); |
|
|
| 577 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
| 578 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
| 579 | |
|
|
| 580 | sigfillset (&fullsigset); |
|
|
| 581 | |
|
|
| 582 | LOCK (wrklock); |
|
|
| 583 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
| 584 | |
|
|
| 585 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
| 586 | { |
407 | { |
| 587 | wrk->prev = &wrk_first; |
408 | int size; |
| 588 | wrk->next = wrk_first.next; |
409 | |
| 589 | wrk_first.next->prev = wrk; |
410 | X_LOCK (reslock); |
| 590 | wrk_first.next = wrk; |
411 | size = res_queue.size; |
| 591 | started++; |
412 | X_UNLOCK (reslock); |
|
|
413 | |
|
|
414 | if (size) |
|
|
415 | return; |
|
|
416 | |
|
|
417 | etp_maybe_start_thread (); |
|
|
418 | |
|
|
419 | FD_ZERO (&rfd); |
|
|
420 | FD_SET (respipe [0], &rfd); |
|
|
421 | |
|
|
422 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
| 592 | } |
423 | } |
| 593 | else |
|
|
| 594 | free (wrk); |
|
|
| 595 | |
|
|
| 596 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
| 597 | UNLOCK (wrklock); |
|
|
| 598 | } |
424 | } |
| 599 | |
425 | |
| 600 | static void req_send (aio_req req) |
426 | static int poll_cb (void) |
| 601 | { |
427 | { |
| 602 | while (started < wanted && nreqs >= started) |
428 | int res; |
| 603 | start_thread (); |
|
|
| 604 | |
429 | |
| 605 | ++nreqs; |
430 | do |
| 606 | |
|
|
| 607 | LOCK (reqlock); |
|
|
| 608 | reqq_push (&req_queue, req); |
|
|
| 609 | pthread_cond_signal (&reqwait); |
|
|
| 610 | UNLOCK (reqlock); |
|
|
| 611 | } |
|
|
| 612 | |
|
|
| 613 | static void end_thread (void) |
|
|
| 614 | { |
|
|
| 615 | aio_req req; |
|
|
| 616 | |
|
|
| 617 | Newz (0, req, 1, aio_cb); |
|
|
| 618 | |
|
|
| 619 | req->type = REQ_QUIT; |
|
|
| 620 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
| 621 | |
|
|
| 622 | req_send (req); |
|
|
| 623 | } |
|
|
| 624 | |
|
|
| 625 | static void min_parallel (int nthreads) |
|
|
| 626 | { |
|
|
| 627 | if (wanted < nthreads) |
|
|
| 628 | wanted = nthreads; |
|
|
| 629 | } |
|
|
| 630 | |
|
|
| 631 | static void max_parallel (int nthreads) |
|
|
| 632 | { |
|
|
| 633 | int cur = started; |
|
|
| 634 | |
|
|
| 635 | if (wanted > nthreads) |
|
|
| 636 | wanted = nthreads; |
|
|
| 637 | |
|
|
| 638 | while (cur > wanted) |
|
|
| 639 | { |
431 | { |
| 640 | end_thread (); |
432 | res = eio_poll (); |
| 641 | cur--; |
433 | |
|
|
434 | if (res > 0) |
|
|
435 | croak (0); |
| 642 | } |
436 | } |
| 643 | |
437 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
| 644 | while (started > wanted) |
|
|
| 645 | { |
|
|
| 646 | poll_wait (); |
|
|
| 647 | poll_cb (0); |
|
|
| 648 | } |
|
|
| 649 | } |
|
|
| 650 | |
|
|
| 651 | static void create_pipe () |
|
|
| 652 | { |
|
|
| 653 | if (pipe (respipe)) |
|
|
| 654 | croak ("unable to initialize result pipe"); |
|
|
| 655 | |
|
|
| 656 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
| 657 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
| 658 | |
|
|
| 659 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
| 660 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
| 661 | } |
|
|
| 662 | |
|
|
| 663 | /*****************************************************************************/ |
|
|
| 664 | /* work around various missing functions */ |
|
|
| 665 | |
|
|
| 666 | #if !HAVE_PREADWRITE |
|
|
| 667 | # define pread aio_pread |
|
|
| 668 | # define pwrite aio_pwrite |
|
|
| 669 | |
|
|
| 670 | /* |
|
|
| 671 | * make our pread/pwrite safe against themselves, but not against |
|
|
| 672 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
| 673 | * but that's your problem, not mine. |
|
|
| 674 | */ |
|
|
| 675 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
| 676 | |
|
|
| 677 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
| 678 | { |
|
|
| 679 | ssize_t res; |
|
|
| 680 | off_t ooffset; |
|
|
| 681 | |
|
|
| 682 | LOCK (preadwritelock); |
|
|
| 683 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
| 684 | lseek (fd, offset, SEEK_SET); |
|
|
| 685 | res = read (fd, buf, count); |
|
|
| 686 | lseek (fd, ooffset, SEEK_SET); |
|
|
| 687 | UNLOCK (preadwritelock); |
|
|
| 688 | |
438 | |
| 689 | return res; |
439 | return res; |
| 690 | } |
440 | } |
| 691 | |
441 | |
| 692 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
| 693 | { |
|
|
| 694 | ssize_t res; |
|
|
| 695 | off_t ooffset; |
|
|
| 696 | |
|
|
| 697 | LOCK (preadwritelock); |
|
|
| 698 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
| 699 | lseek (fd, offset, SEEK_SET); |
|
|
| 700 | res = write (fd, buf, count); |
|
|
| 701 | lseek (fd, offset, SEEK_SET); |
|
|
| 702 | UNLOCK (preadwritelock); |
|
|
| 703 | |
|
|
| 704 | return res; |
|
|
| 705 | } |
|
|
| 706 | #endif |
|
|
| 707 | |
|
|
| 708 | #if !HAVE_FDATASYNC |
|
|
| 709 | # define fdatasync fsync |
|
|
| 710 | #endif |
|
|
| 711 | |
|
|
| 712 | #if !HAVE_READAHEAD |
|
|
| 713 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
| 714 | |
|
|
| 715 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
| 716 | { |
|
|
| 717 | dBUF; |
|
|
| 718 | |
|
|
| 719 | while (count > 0) |
|
|
| 720 | { |
|
|
| 721 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
| 722 | |
|
|
| 723 | pread (fd, aio_buf, len, offset); |
|
|
| 724 | offset += len; |
|
|
| 725 | count -= len; |
|
|
| 726 | } |
|
|
| 727 | |
|
|
| 728 | errno = 0; |
|
|
| 729 | } |
|
|
| 730 | |
|
|
| 731 | #endif |
|
|
| 732 | |
|
|
| 733 | #if !HAVE_READDIR_R |
|
|
| 734 | # define readdir_r aio_readdir_r |
|
|
| 735 | |
|
|
| 736 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
| 737 | |
|
|
| 738 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
| 739 | { |
|
|
| 740 | struct dirent *e; |
|
|
| 741 | int errorno; |
|
|
| 742 | |
|
|
| 743 | LOCK (readdirlock); |
|
|
| 744 | |
|
|
| 745 | e = readdir (dirp); |
|
|
| 746 | errorno = errno; |
|
|
| 747 | |
|
|
| 748 | if (e) |
|
|
| 749 | { |
|
|
| 750 | *res = ent; |
|
|
| 751 | strcpy (ent->d_name, e->d_name); |
|
|
| 752 | } |
|
|
| 753 | else |
|
|
| 754 | *res = 0; |
|
|
| 755 | |
|
|
| 756 | UNLOCK (readdirlock); |
|
|
| 757 | |
|
|
| 758 | errno = errorno; |
|
|
| 759 | return e ? 0 : -1; |
|
|
| 760 | } |
|
|
| 761 | #endif |
|
|
| 762 | |
|
|
| 763 | /* sendfile always needs emulation */ |
|
|
| 764 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
| 765 | { |
|
|
| 766 | ssize_t res; |
|
|
| 767 | |
|
|
| 768 | if (!count) |
|
|
| 769 | return 0; |
|
|
| 770 | |
|
|
| 771 | #if HAVE_SENDFILE |
|
|
| 772 | # if __linux |
|
|
| 773 | res = sendfile (ofd, ifd, &offset, count); |
|
|
| 774 | |
|
|
| 775 | # elif __freebsd |
|
|
| 776 | /* |
|
|
| 777 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
| 778 | * wasted on making it similar to other I/O functions. |
|
|
| 779 | */ |
|
|
| 780 | { |
|
|
| 781 | off_t sbytes; |
|
|
| 782 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
| 783 | |
|
|
| 784 | if (res < 0 && sbytes) |
|
|
| 785 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
| 786 | res = sbytes; |
|
|
| 787 | } |
|
|
| 788 | |
|
|
| 789 | # elif __hpux |
|
|
| 790 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
| 791 | |
|
|
| 792 | # elif __solaris |
|
|
| 793 | { |
|
|
| 794 | struct sendfilevec vec; |
|
|
| 795 | size_t sbytes; |
|
|
| 796 | |
|
|
| 797 | vec.sfv_fd = ifd; |
|
|
| 798 | vec.sfv_flag = 0; |
|
|
| 799 | vec.sfv_off = offset; |
|
|
| 800 | vec.sfv_len = count; |
|
|
| 801 | |
|
|
| 802 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
| 803 | |
|
|
| 804 | if (res < 0 && sbytes) |
|
|
| 805 | res = sbytes; |
|
|
| 806 | } |
|
|
| 807 | |
|
|
| 808 | # endif |
|
|
| 809 | #else |
|
|
| 810 | res = -1; |
|
|
| 811 | errno = ENOSYS; |
|
|
| 812 | #endif |
|
|
| 813 | |
|
|
| 814 | if (res < 0 |
|
|
| 815 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
| 816 | #if __solaris |
|
|
| 817 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
| 818 | #endif |
|
|
| 819 | ) |
|
|
| 820 | ) |
|
|
| 821 | { |
|
|
| 822 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
| 823 | dBUF; |
|
|
| 824 | |
|
|
| 825 | res = 0; |
|
|
| 826 | |
|
|
| 827 | while (count) |
|
|
| 828 | { |
|
|
| 829 | ssize_t cnt; |
|
|
| 830 | |
|
|
| 831 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
| 832 | |
|
|
| 833 | if (cnt <= 0) |
|
|
| 834 | { |
|
|
| 835 | if (cnt && !res) res = -1; |
|
|
| 836 | break; |
|
|
| 837 | } |
|
|
| 838 | |
|
|
| 839 | cnt = write (ofd, aio_buf, cnt); |
|
|
| 840 | |
|
|
| 841 | if (cnt <= 0) |
|
|
| 842 | { |
|
|
| 843 | if (cnt && !res) res = -1; |
|
|
| 844 | break; |
|
|
| 845 | } |
|
|
| 846 | |
|
|
| 847 | offset += cnt; |
|
|
| 848 | res += cnt; |
|
|
| 849 | count -= cnt; |
|
|
| 850 | } |
|
|
| 851 | } |
|
|
| 852 | |
|
|
| 853 | return res; |
|
|
| 854 | } |
|
|
| 855 | |
|
|
| 856 | /* read a full directory */ |
|
|
| 857 | static void scandir_ (aio_req req, worker *self) |
|
|
| 858 | { |
|
|
| 859 | DIR *dirp; |
|
|
| 860 | union |
|
|
| 861 | { |
|
|
| 862 | struct dirent d; |
|
|
| 863 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
| 864 | } *u; |
|
|
| 865 | struct dirent *entp; |
|
|
| 866 | char *name, *names; |
|
|
| 867 | int memlen = 4096; |
|
|
| 868 | int memofs = 0; |
|
|
| 869 | int res = 0; |
|
|
| 870 | int errorno; |
|
|
| 871 | |
|
|
| 872 | LOCK (wrklock); |
|
|
| 873 | self->dirp = dirp = opendir (req->dataptr); |
|
|
| 874 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
| 875 | req->data2ptr = names = malloc (memlen); |
|
|
| 876 | UNLOCK (wrklock); |
|
|
| 877 | |
|
|
| 878 | if (dirp && u && names) |
|
|
| 879 | for (;;) |
|
|
| 880 | { |
|
|
| 881 | errno = 0; |
|
|
| 882 | readdir_r (dirp, &u->d, &entp); |
|
|
| 883 | |
|
|
| 884 | if (!entp) |
|
|
| 885 | break; |
|
|
| 886 | |
|
|
| 887 | name = entp->d_name; |
|
|
| 888 | |
|
|
| 889 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
| 890 | { |
|
|
| 891 | int len = strlen (name) + 1; |
|
|
| 892 | |
|
|
| 893 | res++; |
|
|
| 894 | |
|
|
| 895 | while (memofs + len > memlen) |
|
|
| 896 | { |
|
|
| 897 | memlen *= 2; |
|
|
| 898 | LOCK (wrklock); |
|
|
| 899 | req->data2ptr = names = realloc (names, memlen); |
|
|
| 900 | UNLOCK (wrklock); |
|
|
| 901 | |
|
|
| 902 | if (!names) |
|
|
| 903 | break; |
|
|
| 904 | } |
|
|
| 905 | |
|
|
| 906 | memcpy (names + memofs, name, len); |
|
|
| 907 | memofs += len; |
|
|
| 908 | } |
|
|
| 909 | } |
|
|
| 910 | |
|
|
| 911 | if (errno) |
|
|
| 912 | res = -1; |
|
|
| 913 | |
|
|
| 914 | req->result = res; |
|
|
| 915 | } |
|
|
| 916 | |
|
|
| 917 | /*****************************************************************************/ |
|
|
| 918 | |
|
|
| 919 | static void *aio_proc (void *thr_arg) |
|
|
| 920 | { |
|
|
| 921 | aio_req req; |
|
|
| 922 | int type; |
|
|
| 923 | worker *self = (worker *)thr_arg; |
|
|
| 924 | |
|
|
| 925 | do |
|
|
| 926 | { |
|
|
| 927 | LOCK (reqlock); |
|
|
| 928 | |
|
|
| 929 | for (;;) |
|
|
| 930 | { |
|
|
| 931 | self->req = req = reqq_shift (&req_queue); |
|
|
| 932 | |
|
|
| 933 | if (req) |
|
|
| 934 | break; |
|
|
| 935 | |
|
|
| 936 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
| 937 | } |
|
|
| 938 | |
|
|
| 939 | UNLOCK (reqlock); |
|
|
| 940 | |
|
|
| 941 | errno = 0; /* strictly unnecessary */ |
|
|
| 942 | type = req->type; /* remember type for QUIT check */ |
|
|
| 943 | |
|
|
| 944 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
| 945 | switch (type) |
|
|
| 946 | { |
|
|
| 947 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
| 948 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
| 949 | |
|
|
| 950 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
| 951 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
| 952 | |
|
|
| 953 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
| 954 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
| 955 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
| 956 | |
|
|
| 957 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
| 958 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
| 959 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
| 960 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
| 961 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
| 962 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
| 963 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
| 964 | |
|
|
| 965 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
| 966 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
| 967 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
| 968 | |
|
|
| 969 | case REQ_BUSY: |
|
|
| 970 | { |
|
|
| 971 | struct timeval tv; |
|
|
| 972 | |
|
|
| 973 | tv.tv_sec = req->fd; |
|
|
| 974 | tv.tv_usec = req->fd2; |
|
|
| 975 | |
|
|
| 976 | req->result = select (0, 0, 0, 0, &tv); |
|
|
| 977 | } |
|
|
| 978 | |
|
|
| 979 | case REQ_GROUP: |
|
|
| 980 | case REQ_NOP: |
|
|
| 981 | case REQ_QUIT: |
|
|
| 982 | break; |
|
|
| 983 | |
|
|
| 984 | default: |
|
|
| 985 | req->result = ENOSYS; |
|
|
| 986 | break; |
|
|
| 987 | } |
|
|
| 988 | |
|
|
| 989 | req->errorno = errno; |
|
|
| 990 | |
|
|
| 991 | LOCK (reslock); |
|
|
| 992 | |
|
|
| 993 | if (!reqq_push (&res_queue, req)) |
|
|
| 994 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
| 995 | write (respipe [1], &respipe, 1); |
|
|
| 996 | |
|
|
| 997 | self->req = 0; |
|
|
| 998 | worker_clear (self); |
|
|
| 999 | |
|
|
| 1000 | UNLOCK (reslock); |
|
|
| 1001 | } |
|
|
| 1002 | while (type != REQ_QUIT); |
|
|
| 1003 | |
|
|
| 1004 | LOCK (wrklock); |
|
|
| 1005 | worker_free (self); |
|
|
| 1006 | UNLOCK (wrklock); |
|
|
| 1007 | |
|
|
| 1008 | return 0; |
|
|
| 1009 | } |
|
|
| 1010 | |
|
|
| 1011 | /*****************************************************************************/ |
|
|
| 1012 | |
|
|
| 1013 | static void atfork_prepare (void) |
|
|
| 1014 | { |
|
|
| 1015 | LOCK (wrklock); |
|
|
| 1016 | LOCK (reqlock); |
|
|
| 1017 | LOCK (reslock); |
|
|
| 1018 | #if !HAVE_PREADWRITE |
|
|
| 1019 | LOCK (preadwritelock); |
|
|
| 1020 | #endif |
|
|
| 1021 | #if !HAVE_READDIR_R |
|
|
| 1022 | LOCK (readdirlock); |
|
|
| 1023 | #endif |
|
|
| 1024 | } |
|
|
| 1025 | |
|
|
| 1026 | static void atfork_parent (void) |
|
|
| 1027 | { |
|
|
| 1028 | #if !HAVE_READDIR_R |
|
|
| 1029 | UNLOCK (readdirlock); |
|
|
| 1030 | #endif |
|
|
| 1031 | #if !HAVE_PREADWRITE |
|
|
| 1032 | UNLOCK (preadwritelock); |
|
|
| 1033 | #endif |
|
|
| 1034 | UNLOCK (reslock); |
|
|
| 1035 | UNLOCK (reqlock); |
|
|
| 1036 | UNLOCK (wrklock); |
|
|
| 1037 | } |
|
|
| 1038 | |
|
|
| 1039 | static void atfork_child (void) |
442 | static void atfork_child (void) |
| 1040 | { |
443 | { |
| 1041 | aio_req prv; |
|
|
| 1042 | |
|
|
| 1043 | while (prv = reqq_shift (&req_queue)) |
|
|
| 1044 | req_free (prv); |
|
|
| 1045 | |
|
|
| 1046 | while (prv = reqq_shift (&res_queue)) |
|
|
| 1047 | req_free (prv); |
|
|
| 1048 | |
|
|
| 1049 | while (wrk_first.next != &wrk_first) |
|
|
| 1050 | { |
|
|
| 1051 | worker *wrk = wrk_first.next; |
|
|
| 1052 | |
|
|
| 1053 | if (wrk->req) |
|
|
| 1054 | req_free (wrk->req); |
|
|
| 1055 | |
|
|
| 1056 | worker_clear (wrk); |
|
|
| 1057 | worker_free (wrk); |
|
|
| 1058 | } |
|
|
| 1059 | |
|
|
| 1060 | started = 0; |
|
|
| 1061 | nreqs = 0; |
|
|
| 1062 | |
|
|
| 1063 | close (respipe [0]); |
|
|
| 1064 | close (respipe [1]); |
|
|
| 1065 | create_pipe (); |
444 | create_respipe (); |
| 1066 | |
|
|
| 1067 | atfork_parent (); |
|
|
| 1068 | } |
445 | } |
| 1069 | |
446 | |
| 1070 | #define dREQ \ |
447 | #define dREQ \ |
| 1071 | aio_req req; \ |
448 | aio_req req; \ |
| 1072 | int req_pri = next_pri; \ |
449 | int req_pri = next_pri; \ |
| 1073 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
450 | next_pri = EIO_PRI_DEFAULT; \ |
| 1074 | \ |
451 | \ |
| 1075 | if (SvOK (callback) && !SvROK (callback)) \ |
452 | if (SvOK (callback) && !SvROK (callback)) \ |
| 1076 | croak ("callback must be undef or of reference type"); \ |
453 | croak ("callback must be undef or of reference type"); \ |
| 1077 | \ |
454 | \ |
| 1078 | Newz (0, req, 1, aio_cb); \ |
455 | Newz (0, req, 1, eio_req); \ |
| 1079 | if (!req) \ |
456 | if (!req) \ |
| 1080 | croak ("out of memory during aio_req allocation"); \ |
457 | croak ("out of memory during eio_req allocation"); \ |
| 1081 | \ |
458 | \ |
| 1082 | req->callback = newSVsv (callback); \ |
459 | req->callback = newSVsv (callback); \ |
| 1083 | req->pri = req_pri |
460 | req->pri = req_pri |
| 1084 | |
461 | |
| 1085 | #define REQ_SEND \ |
462 | #define REQ_SEND \ |
| 1086 | req_send (req); \ |
463 | req_submit (req); \ |
| 1087 | \ |
464 | \ |
| 1088 | if (GIMME_V != G_VOID) \ |
465 | if (GIMME_V != G_VOID) \ |
| 1089 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
466 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
| 1090 | |
467 | |
| 1091 | MODULE = IO::AIO PACKAGE = IO::AIO |
468 | MODULE = IO::AIO PACKAGE = IO::AIO |
| 1092 | |
469 | |
| 1093 | PROTOTYPES: ENABLE |
470 | PROTOTYPES: ENABLE |
| 1094 | |
471 | |
| 1095 | BOOT: |
472 | BOOT: |
| 1096 | { |
473 | { |
| 1097 | HV *stash = gv_stashpv ("IO::AIO", 1); |
474 | stash = gv_stashpv ("IO::AIO", 1); |
|
|
475 | |
| 1098 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
476 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
| 1099 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
477 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
| 1100 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
478 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
479 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
480 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
481 | #ifndef _WIN32 |
|
|
482 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
483 | #endif |
| 1101 | |
484 | |
| 1102 | create_pipe (); |
485 | create_respipe (); |
| 1103 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
| 1104 | } |
|
|
| 1105 | |
486 | |
|
|
487 | if (eio_init (want_poll, done_poll) < 0) |
|
|
488 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
489 | |
|
|
490 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
491 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
492 | } |
|
|
493 | |
| 1106 | void |
494 | void |
| 1107 | min_parallel (nthreads) |
495 | max_poll_reqs (int nreqs) |
| 1108 | int nthreads |
|
|
| 1109 | PROTOTYPE: $ |
496 | PROTOTYPE: $ |
|
|
497 | CODE: |
|
|
498 | eio_set_max_poll_reqs (nreqs); |
| 1110 | |
499 | |
| 1111 | void |
500 | void |
| 1112 | max_parallel (nthreads) |
501 | max_poll_time (double nseconds) |
| 1113 | int nthreads |
|
|
| 1114 | PROTOTYPE: $ |
502 | PROTOTYPE: $ |
|
|
503 | CODE: |
|
|
504 | eio_set_max_poll_time (nseconds); |
| 1115 | |
505 | |
| 1116 | void |
506 | void |
|
|
507 | min_parallel (int nthreads) |
|
|
508 | PROTOTYPE: $ |
|
|
509 | CODE: |
|
|
510 | eio_set_min_parallel (nthreads); |
|
|
511 | |
|
|
512 | void |
|
|
513 | max_parallel (int nthreads) |
|
|
514 | PROTOTYPE: $ |
|
|
515 | CODE: |
|
|
516 | eio_set_max_parallel (nthreads); |
|
|
517 | |
|
|
518 | void |
|
|
519 | max_idle (int nthreads) |
|
|
520 | PROTOTYPE: $ |
|
|
521 | CODE: |
|
|
522 | eio_set_max_idle (nthreads); |
|
|
523 | |
|
|
524 | void |
|
|
525 | max_outstanding (int maxreqs) |
|
|
526 | PROTOTYPE: $ |
|
|
527 | CODE: |
|
|
528 | max_outstanding = maxreqs; |
|
|
529 | |
|
|
530 | void |
| 1117 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
531 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
| 1118 | SV * pathname |
|
|
| 1119 | int flags |
|
|
| 1120 | int mode |
|
|
| 1121 | SV * callback |
|
|
| 1122 | PROTOTYPE: $$$;$ |
532 | PROTOTYPE: $$$;$ |
| 1123 | PPCODE: |
533 | PPCODE: |
| 1124 | { |
534 | { |
| 1125 | dREQ; |
535 | dREQ; |
| 1126 | |
536 | |
| 1127 | req->type = REQ_OPEN; |
537 | req->type = EIO_OPEN; |
| 1128 | req->data = newSVsv (pathname); |
538 | req->sv1 = newSVsv (pathname); |
| 1129 | req->dataptr = SvPVbyte_nolen (req->data); |
539 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1130 | req->fd = flags; |
540 | req->int1 = flags; |
| 1131 | req->mode = mode; |
541 | req->int2 = mode; |
| 1132 | |
542 | |
| 1133 | REQ_SEND; |
543 | REQ_SEND; |
| 1134 | } |
544 | } |
| 1135 | |
545 | |
| 1136 | void |
546 | void |
| 1137 | aio_close (fh,callback=&PL_sv_undef) |
547 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
| 1138 | SV * fh |
|
|
| 1139 | SV * callback |
|
|
| 1140 | PROTOTYPE: $;$ |
548 | PROTOTYPE: $;$ |
| 1141 | ALIAS: |
549 | ALIAS: |
| 1142 | aio_close = REQ_CLOSE |
|
|
| 1143 | aio_fsync = REQ_FSYNC |
550 | aio_fsync = EIO_FSYNC |
| 1144 | aio_fdatasync = REQ_FDATASYNC |
551 | aio_fdatasync = EIO_FDATASYNC |
| 1145 | PPCODE: |
552 | PPCODE: |
| 1146 | { |
553 | { |
| 1147 | dREQ; |
554 | dREQ; |
| 1148 | |
555 | |
| 1149 | req->type = ix; |
556 | req->type = ix; |
| 1150 | req->fh = newSVsv (fh); |
557 | req->sv1 = newSVsv (fh); |
| 1151 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
558 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
| 1152 | |
559 | |
| 1153 | REQ_SEND (req); |
560 | REQ_SEND (req); |
| 1154 | } |
561 | } |
| 1155 | |
562 | |
| 1156 | void |
563 | void |
|
|
564 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
565 | PROTOTYPE: $;$ |
|
|
566 | PPCODE: |
|
|
567 | { |
|
|
568 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
569 | dREQ; |
|
|
570 | |
|
|
571 | if (close_pipe < 0) |
|
|
572 | { |
|
|
573 | int pipefd [2]; |
|
|
574 | |
|
|
575 | if (pipe (pipefd) < 0 |
|
|
576 | || close (pipefd [1]) < 0 |
|
|
577 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
578 | abort (); /*D*/ |
|
|
579 | |
|
|
580 | close_pipe = pipefd [0]; |
|
|
581 | } |
|
|
582 | |
|
|
583 | req->type = EIO_DUP2; |
|
|
584 | req->int1 = close_pipe; |
|
|
585 | req->sv2 = newSVsv (fh); |
|
|
586 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
587 | |
|
|
588 | REQ_SEND (req); |
|
|
589 | } |
|
|
590 | |
|
|
591 | void |
| 1157 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
592 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
| 1158 | SV * fh |
|
|
| 1159 | UV offset |
|
|
| 1160 | UV length |
|
|
| 1161 | SV * data |
|
|
| 1162 | UV dataoffset |
|
|
| 1163 | SV * callback |
|
|
| 1164 | ALIAS: |
593 | ALIAS: |
| 1165 | aio_read = REQ_READ |
594 | aio_read = EIO_READ |
| 1166 | aio_write = REQ_WRITE |
595 | aio_write = EIO_WRITE |
| 1167 | PROTOTYPE: $$$$$;$ |
596 | PROTOTYPE: $$$$$;$ |
| 1168 | PPCODE: |
597 | PPCODE: |
| 1169 | { |
598 | { |
| 1170 | aio_req req; |
|
|
| 1171 | STRLEN svlen; |
599 | STRLEN svlen; |
| 1172 | char *svptr = SvPVbyte (data, svlen); |
600 | char *svptr = SvPVbyte (data, svlen); |
|
|
601 | UV len = SvUV (length); |
| 1173 | |
602 | |
| 1174 | SvUPGRADE (data, SVt_PV); |
603 | SvUPGRADE (data, SVt_PV); |
| 1175 | SvPOK_on (data); |
604 | SvPOK_on (data); |
| 1176 | |
605 | |
| 1177 | if (dataoffset < 0) |
606 | if (dataoffset < 0) |
| 1178 | dataoffset += svlen; |
607 | dataoffset += svlen; |
| 1179 | |
608 | |
| 1180 | if (dataoffset < 0 || dataoffset > svlen) |
609 | if (dataoffset < 0 || dataoffset > svlen) |
| 1181 | croak ("data offset outside of string"); |
610 | croak ("dataoffset outside of data scalar"); |
| 1182 | |
611 | |
| 1183 | if (ix == REQ_WRITE) |
612 | if (ix == EIO_WRITE) |
| 1184 | { |
613 | { |
| 1185 | /* write: check length and adjust. */ |
614 | /* write: check length and adjust. */ |
| 1186 | if (length < 0 || length + dataoffset > svlen) |
615 | if (!SvOK (length) || len + dataoffset > svlen) |
| 1187 | length = svlen - dataoffset; |
616 | len = svlen - dataoffset; |
| 1188 | } |
617 | } |
| 1189 | else |
618 | else |
| 1190 | { |
619 | { |
| 1191 | /* read: grow scalar as necessary */ |
620 | /* read: grow scalar as necessary */ |
| 1192 | svptr = SvGROW (data, length + dataoffset); |
621 | svptr = SvGROW (data, len + dataoffset + 1); |
| 1193 | } |
622 | } |
| 1194 | |
623 | |
| 1195 | if (length < 0) |
624 | if (len < 0) |
| 1196 | croak ("length must not be negative"); |
625 | croak ("length must not be negative"); |
| 1197 | |
626 | |
| 1198 | { |
627 | { |
| 1199 | dREQ; |
628 | dREQ; |
| 1200 | |
629 | |
| 1201 | req->type = ix; |
630 | req->type = ix; |
| 1202 | req->fh = newSVsv (fh); |
631 | req->sv1 = newSVsv (fh); |
| 1203 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
632 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
| 1204 | : IoOFP (sv_2io (fh))); |
633 | : IoOFP (sv_2io (fh))); |
|
|
634 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
| 1205 | req->offset = offset; |
635 | req->size = len; |
| 1206 | req->length = length; |
|
|
| 1207 | req->data = SvREFCNT_inc (data); |
636 | req->sv2 = SvREFCNT_inc (data); |
| 1208 | req->dataptr = (char *)svptr + dataoffset; |
637 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
638 | req->stroffset = dataoffset; |
| 1209 | |
639 | |
| 1210 | if (!SvREADONLY (data)) |
640 | if (!SvREADONLY (data)) |
| 1211 | { |
641 | { |
| 1212 | SvREADONLY_on (data); |
642 | SvREADONLY_on (data); |
| 1213 | req->data2ptr = (void *)data; |
643 | req->flags |= FLAG_SV2_RO_OFF; |
| 1214 | } |
644 | } |
| 1215 | |
645 | |
| 1216 | REQ_SEND; |
646 | REQ_SEND; |
| 1217 | } |
647 | } |
| 1218 | } |
648 | } |
| 1219 | |
649 | |
| 1220 | void |
650 | void |
|
|
651 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
652 | PROTOTYPE: $$;$ |
|
|
653 | PPCODE: |
|
|
654 | { |
|
|
655 | SV *data; |
|
|
656 | dREQ; |
|
|
657 | |
|
|
658 | req->type = EIO_READLINK; |
|
|
659 | req->sv1 = newSVsv (path); |
|
|
660 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
661 | |
|
|
662 | REQ_SEND; |
|
|
663 | } |
|
|
664 | |
|
|
665 | void |
| 1221 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
666 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
| 1222 | SV * out_fh |
|
|
| 1223 | SV * in_fh |
|
|
| 1224 | UV in_offset |
|
|
| 1225 | UV length |
|
|
| 1226 | SV * callback |
|
|
| 1227 | PROTOTYPE: $$$$;$ |
667 | PROTOTYPE: $$$$;$ |
| 1228 | PPCODE: |
668 | PPCODE: |
| 1229 | { |
669 | { |
| 1230 | dREQ; |
670 | dREQ; |
| 1231 | |
671 | |
| 1232 | req->type = REQ_SENDFILE; |
672 | req->type = EIO_SENDFILE; |
| 1233 | req->fh = newSVsv (out_fh); |
673 | req->sv1 = newSVsv (out_fh); |
| 1234 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
674 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
| 1235 | req->fh2 = newSVsv (in_fh); |
675 | req->sv2 = newSVsv (in_fh); |
| 1236 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
676 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
| 1237 | req->offset = in_offset; |
677 | req->offs = SvVAL64 (in_offset); |
| 1238 | req->length = length; |
678 | req->size = length; |
| 1239 | |
679 | |
| 1240 | REQ_SEND; |
680 | REQ_SEND; |
| 1241 | } |
681 | } |
| 1242 | |
682 | |
| 1243 | void |
683 | void |
| 1244 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
684 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
| 1245 | SV * fh |
|
|
| 1246 | UV offset |
|
|
| 1247 | IV length |
|
|
| 1248 | SV * callback |
|
|
| 1249 | PROTOTYPE: $$$;$ |
685 | PROTOTYPE: $$$;$ |
| 1250 | PPCODE: |
686 | PPCODE: |
| 1251 | { |
687 | { |
| 1252 | dREQ; |
688 | dREQ; |
| 1253 | |
689 | |
| 1254 | req->type = REQ_READAHEAD; |
690 | req->type = EIO_READAHEAD; |
| 1255 | req->fh = newSVsv (fh); |
691 | req->sv1 = newSVsv (fh); |
| 1256 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
692 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
| 1257 | req->offset = offset; |
693 | req->offs = SvVAL64 (offset); |
| 1258 | req->length = length; |
694 | req->size = length; |
| 1259 | |
695 | |
| 1260 | REQ_SEND; |
696 | REQ_SEND; |
| 1261 | } |
697 | } |
| 1262 | |
698 | |
| 1263 | void |
699 | void |
| 1264 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
700 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
| 1265 | SV * fh_or_path |
|
|
| 1266 | SV * callback |
|
|
| 1267 | ALIAS: |
701 | ALIAS: |
| 1268 | aio_stat = REQ_STAT |
702 | aio_stat = EIO_STAT |
| 1269 | aio_lstat = REQ_LSTAT |
703 | aio_lstat = EIO_LSTAT |
| 1270 | PPCODE: |
704 | PPCODE: |
| 1271 | { |
705 | { |
| 1272 | dREQ; |
706 | dREQ; |
| 1273 | |
707 | |
| 1274 | New (0, req->statdata, 1, Stat_t); |
708 | req->sv1 = newSVsv (fh_or_path); |
| 1275 | if (!req->statdata) |
|
|
| 1276 | { |
|
|
| 1277 | req_free (req); |
|
|
| 1278 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
| 1279 | } |
|
|
| 1280 | |
709 | |
| 1281 | if (SvPOK (fh_or_path)) |
710 | if (SvPOK (req->sv1)) |
| 1282 | { |
711 | { |
| 1283 | req->type = ix; |
712 | req->type = ix; |
| 1284 | req->data = newSVsv (fh_or_path); |
|
|
| 1285 | req->dataptr = SvPVbyte_nolen (req->data); |
713 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1286 | } |
714 | } |
| 1287 | else |
715 | else |
| 1288 | { |
716 | { |
| 1289 | req->type = REQ_FSTAT; |
717 | req->type = EIO_FSTAT; |
| 1290 | req->fh = newSVsv (fh_or_path); |
|
|
| 1291 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
718 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
| 1292 | } |
719 | } |
| 1293 | |
720 | |
| 1294 | REQ_SEND; |
721 | REQ_SEND; |
| 1295 | } |
722 | } |
| 1296 | |
723 | |
| 1297 | void |
724 | void |
|
|
725 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
726 | PPCODE: |
|
|
727 | { |
|
|
728 | dREQ; |
|
|
729 | |
|
|
730 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
731 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
732 | req->sv1 = newSVsv (fh_or_path); |
|
|
733 | |
|
|
734 | if (SvPOK (req->sv1)) |
|
|
735 | { |
|
|
736 | req->type = EIO_UTIME; |
|
|
737 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
738 | } |
|
|
739 | else |
|
|
740 | { |
|
|
741 | req->type = EIO_FUTIME; |
|
|
742 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
743 | } |
|
|
744 | |
|
|
745 | REQ_SEND; |
|
|
746 | } |
|
|
747 | |
|
|
748 | void |
|
|
749 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
750 | PPCODE: |
|
|
751 | { |
|
|
752 | dREQ; |
|
|
753 | |
|
|
754 | req->sv1 = newSVsv (fh_or_path); |
|
|
755 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
756 | |
|
|
757 | if (SvPOK (req->sv1)) |
|
|
758 | { |
|
|
759 | req->type = EIO_TRUNCATE; |
|
|
760 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
761 | } |
|
|
762 | else |
|
|
763 | { |
|
|
764 | req->type = EIO_FTRUNCATE; |
|
|
765 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
766 | } |
|
|
767 | |
|
|
768 | REQ_SEND; |
|
|
769 | } |
|
|
770 | |
|
|
771 | void |
|
|
772 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
773 | ALIAS: |
|
|
774 | aio_chmod = EIO_CHMOD |
|
|
775 | aio_mkdir = EIO_MKDIR |
|
|
776 | PPCODE: |
|
|
777 | { |
|
|
778 | dREQ; |
|
|
779 | |
|
|
780 | req->int2 = mode; |
|
|
781 | req->sv1 = newSVsv (fh_or_path); |
|
|
782 | |
|
|
783 | if (SvPOK (req->sv1)) |
|
|
784 | { |
|
|
785 | req->type = ix; |
|
|
786 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
787 | } |
|
|
788 | else |
|
|
789 | { |
|
|
790 | req->type = EIO_FCHMOD; |
|
|
791 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
792 | } |
|
|
793 | |
|
|
794 | REQ_SEND; |
|
|
795 | } |
|
|
796 | |
|
|
797 | void |
|
|
798 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
799 | PPCODE: |
|
|
800 | { |
|
|
801 | dREQ; |
|
|
802 | |
|
|
803 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
804 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
805 | req->sv1 = newSVsv (fh_or_path); |
|
|
806 | |
|
|
807 | if (SvPOK (req->sv1)) |
|
|
808 | { |
|
|
809 | req->type = EIO_CHOWN; |
|
|
810 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
811 | } |
|
|
812 | else |
|
|
813 | { |
|
|
814 | req->type = EIO_FCHOWN; |
|
|
815 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
816 | } |
|
|
817 | |
|
|
818 | REQ_SEND; |
|
|
819 | } |
|
|
820 | |
|
|
821 | void |
| 1298 | aio_unlink (pathname,callback=&PL_sv_undef) |
822 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
| 1299 | SV * pathname |
|
|
| 1300 | SV * callback |
|
|
| 1301 | ALIAS: |
823 | ALIAS: |
| 1302 | aio_unlink = REQ_UNLINK |
824 | aio_unlink = EIO_UNLINK |
| 1303 | aio_rmdir = REQ_RMDIR |
825 | aio_rmdir = EIO_RMDIR |
| 1304 | aio_readdir = REQ_READDIR |
826 | aio_readdir = EIO_READDIR |
| 1305 | PPCODE: |
827 | PPCODE: |
| 1306 | { |
828 | { |
| 1307 | dREQ; |
829 | dREQ; |
| 1308 | |
830 | |
| 1309 | req->type = ix; |
831 | req->type = ix; |
| 1310 | req->data = newSVsv (pathname); |
832 | req->sv1 = newSVsv (pathname); |
| 1311 | req->dataptr = SvPVbyte_nolen (req->data); |
833 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
834 | |
|
|
835 | REQ_SEND; |
|
|
836 | } |
|
|
837 | |
|
|
838 | void |
|
|
839 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
840 | ALIAS: |
|
|
841 | aio_link = EIO_LINK |
|
|
842 | aio_symlink = EIO_SYMLINK |
|
|
843 | aio_rename = EIO_RENAME |
|
|
844 | PPCODE: |
|
|
845 | { |
|
|
846 | dREQ; |
|
|
847 | |
|
|
848 | req->type = ix; |
|
|
849 | req->sv1 = newSVsv (oldpath); |
|
|
850 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
851 | req->sv2 = newSVsv (newpath); |
|
|
852 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
| 1312 | |
853 | |
| 1313 | REQ_SEND; |
854 | REQ_SEND; |
| 1314 | } |
855 | } |
| 1315 | |
856 | |
| 1316 | void |
857 | void |
| 1317 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
858 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
| 1318 | SV * oldpath |
|
|
| 1319 | SV * newpath |
|
|
| 1320 | SV * callback |
|
|
| 1321 | ALIAS: |
|
|
| 1322 | aio_link = REQ_LINK |
|
|
| 1323 | aio_symlink = REQ_SYMLINK |
|
|
| 1324 | aio_rename = REQ_RENAME |
|
|
| 1325 | PPCODE: |
859 | PPCODE: |
| 1326 | { |
860 | { |
| 1327 | dREQ; |
861 | dREQ; |
| 1328 | |
862 | |
| 1329 | req->type = ix; |
863 | req->type = EIO_MKNOD; |
| 1330 | req->fh = newSVsv (oldpath); |
864 | req->sv1 = newSVsv (pathname); |
| 1331 | req->data2ptr = SvPVbyte_nolen (req->fh); |
865 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
| 1332 | req->data = newSVsv (newpath); |
866 | req->int2 = (mode_t)mode; |
| 1333 | req->dataptr = SvPVbyte_nolen (req->data); |
867 | req->offs = dev; |
| 1334 | |
868 | |
| 1335 | REQ_SEND; |
869 | REQ_SEND; |
| 1336 | } |
870 | } |
| 1337 | |
871 | |
| 1338 | void |
872 | void |
| 1339 | aio_busy (delay,callback=&PL_sv_undef) |
873 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
| 1340 | double delay |
|
|
| 1341 | SV * callback |
|
|
| 1342 | PPCODE: |
874 | PPCODE: |
| 1343 | { |
875 | { |
| 1344 | dREQ; |
876 | dREQ; |
| 1345 | |
877 | |
| 1346 | req->type = REQ_BUSY; |
878 | req->type = EIO_BUSY; |
| 1347 | req->fd = delay < 0. ? 0 : delay; |
879 | req->nv1 = delay < 0. ? 0. : delay; |
| 1348 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
| 1349 | |
880 | |
| 1350 | REQ_SEND; |
881 | REQ_SEND; |
| 1351 | } |
882 | } |
| 1352 | |
883 | |
| 1353 | void |
884 | void |
| 1354 | aio_group (callback=&PL_sv_undef) |
885 | aio_group (SV *callback=&PL_sv_undef) |
| 1355 | SV * callback |
|
|
| 1356 | PROTOTYPE: ;$ |
886 | PROTOTYPE: ;$ |
| 1357 | PPCODE: |
887 | PPCODE: |
| 1358 | { |
888 | { |
| 1359 | dREQ; |
889 | dREQ; |
| 1360 | |
890 | |
| 1361 | req->type = REQ_GROUP; |
891 | req->type = EIO_GROUP; |
|
|
892 | |
| 1362 | req_send (req); |
893 | eio_submit (req); |
| 1363 | |
|
|
| 1364 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
| 1365 | } |
895 | } |
| 1366 | |
896 | |
| 1367 | void |
897 | void |
| 1368 | aio_nop (callback=&PL_sv_undef) |
898 | aio_nop (SV *callback=&PL_sv_undef) |
| 1369 | SV * callback |
899 | ALIAS: |
|
|
900 | aio_nop = EIO_NOP |
|
|
901 | aio_sync = EIO_SYNC |
| 1370 | PPCODE: |
902 | PPCODE: |
| 1371 | { |
903 | { |
| 1372 | dREQ; |
904 | dREQ; |
| 1373 | |
905 | |
| 1374 | req->type = REQ_NOP; |
906 | req->type = ix; |
| 1375 | |
907 | |
| 1376 | REQ_SEND; |
908 | REQ_SEND; |
| 1377 | } |
909 | } |
| 1378 | |
910 | |
| 1379 | void |
911 | int |
| 1380 | aioreq_pri (int pri = DEFAULT_PRI) |
912 | aioreq_pri (int pri = 0) |
| 1381 | CODE: |
913 | PROTOTYPE: ;$ |
|
|
914 | CODE: |
|
|
915 | RETVAL = next_pri; |
|
|
916 | if (items > 0) |
|
|
917 | { |
| 1382 | if (pri < PRI_MIN) pri = PRI_MIN; |
918 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
| 1383 | if (pri > PRI_MAX) pri = PRI_MAX; |
919 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
| 1384 | next_pri = pri + PRI_BIAS; |
920 | next_pri = pri; |
|
|
921 | } |
|
|
922 | OUTPUT: |
|
|
923 | RETVAL |
| 1385 | |
924 | |
| 1386 | void |
925 | void |
| 1387 | aioreq_nice (int nice = 0) |
926 | aioreq_nice (int nice = 0) |
| 1388 | CODE: |
927 | CODE: |
| 1389 | nice = next_pri - nice; |
928 | nice = next_pri - nice; |
| 1390 | if (nice < PRI_MIN) nice = PRI_MIN; |
929 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
| 1391 | if (nice > PRI_MAX) nice = PRI_MAX; |
930 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
| 1392 | next_pri = nice + PRI_BIAS; |
931 | next_pri = nice; |
| 1393 | |
932 | |
| 1394 | void |
933 | void |
| 1395 | flush () |
934 | flush () |
| 1396 | PROTOTYPE: |
935 | PROTOTYPE: |
| 1397 | CODE: |
936 | CODE: |
| 1398 | while (nreqs) |
937 | while (eio_nreqs ()) |
| 1399 | { |
938 | { |
| 1400 | poll_wait (); |
939 | poll_wait (); |
| 1401 | poll_cb (0); |
940 | poll_cb (); |
| 1402 | } |
941 | } |
| 1403 | |
942 | |
| 1404 | void |
943 | int |
| 1405 | poll() |
944 | poll() |
| 1406 | PROTOTYPE: |
945 | PROTOTYPE: |
| 1407 | CODE: |
946 | CODE: |
| 1408 | if (nreqs) |
|
|
| 1409 | { |
|
|
| 1410 | poll_wait (); |
947 | poll_wait (); |
| 1411 | poll_cb (0); |
948 | RETVAL = poll_cb (); |
| 1412 | } |
949 | OUTPUT: |
|
|
950 | RETVAL |
| 1413 | |
951 | |
| 1414 | int |
952 | int |
| 1415 | poll_fileno() |
953 | poll_fileno() |
| 1416 | PROTOTYPE: |
954 | PROTOTYPE: |
| 1417 | CODE: |
955 | CODE: |
| … | |
… | |
| 1421 | |
959 | |
| 1422 | int |
960 | int |
| 1423 | poll_cb(...) |
961 | poll_cb(...) |
| 1424 | PROTOTYPE: |
962 | PROTOTYPE: |
| 1425 | CODE: |
963 | CODE: |
| 1426 | RETVAL = poll_cb (0); |
964 | RETVAL = poll_cb (); |
| 1427 | OUTPUT: |
965 | OUTPUT: |
| 1428 | RETVAL |
966 | RETVAL |
| 1429 | |
967 | |
| 1430 | int |
|
|
| 1431 | poll_some(int max = 0) |
|
|
| 1432 | PROTOTYPE: $ |
|
|
| 1433 | CODE: |
|
|
| 1434 | RETVAL = poll_cb (max); |
|
|
| 1435 | OUTPUT: |
|
|
| 1436 | RETVAL |
|
|
| 1437 | |
|
|
| 1438 | void |
968 | void |
| 1439 | poll_wait() |
969 | poll_wait() |
| 1440 | PROTOTYPE: |
970 | PROTOTYPE: |
| 1441 | CODE: |
971 | CODE: |
| 1442 | if (nreqs) |
|
|
| 1443 | poll_wait (); |
972 | poll_wait (); |
| 1444 | |
973 | |
| 1445 | int |
974 | int |
| 1446 | nreqs() |
975 | nreqs() |
| 1447 | PROTOTYPE: |
976 | PROTOTYPE: |
| 1448 | CODE: |
977 | CODE: |
| 1449 | RETVAL = nreqs; |
978 | RETVAL = eio_nreqs (); |
| 1450 | OUTPUT: |
979 | OUTPUT: |
| 1451 | RETVAL |
980 | RETVAL |
| 1452 | |
981 | |
|
|
982 | int |
|
|
983 | nready() |
|
|
984 | PROTOTYPE: |
|
|
985 | CODE: |
|
|
986 | RETVAL = eio_nready (); |
|
|
987 | OUTPUT: |
|
|
988 | RETVAL |
|
|
989 | |
|
|
990 | int |
|
|
991 | npending() |
|
|
992 | PROTOTYPE: |
|
|
993 | CODE: |
|
|
994 | RETVAL = eio_npending (); |
|
|
995 | OUTPUT: |
|
|
996 | RETVAL |
|
|
997 | |
|
|
998 | int |
|
|
999 | nthreads() |
|
|
1000 | PROTOTYPE: |
|
|
1001 | CODE: |
|
|
1002 | RETVAL = eio_nthreads (); |
|
|
1003 | OUTPUT: |
|
|
1004 | RETVAL |
|
|
1005 | |
|
|
1006 | void _on_next_submit (SV *cb) |
|
|
1007 | CODE: |
|
|
1008 | SvREFCNT_dec (on_next_submit); |
|
|
1009 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1010 | |
| 1453 | PROTOTYPES: DISABLE |
1011 | PROTOTYPES: DISABLE |
| 1454 | |
1012 | |
| 1455 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1013 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
| 1456 | |
1014 | |
| 1457 | void |
1015 | void |
| 1458 | cancel (aio_req_ornot req) |
1016 | cancel (aio_req_ornot req) |
| 1459 | CODE: |
1017 | CODE: |
| 1460 | req_cancel (req); |
1018 | eio_cancel (req); |
| 1461 | |
1019 | |
| 1462 | void |
1020 | void |
| 1463 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1021 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
| 1464 | CODE: |
1022 | CODE: |
| 1465 | SvREFCNT_dec (req->callback); |
1023 | SvREFCNT_dec (req->callback); |
| … | |
… | |
| 1470 | void |
1028 | void |
| 1471 | add (aio_req grp, ...) |
1029 | add (aio_req grp, ...) |
| 1472 | PPCODE: |
1030 | PPCODE: |
| 1473 | { |
1031 | { |
| 1474 | int i; |
1032 | int i; |
| 1475 | aio_req req; |
|
|
| 1476 | |
1033 | |
| 1477 | if (grp->fd == 2) |
1034 | if (grp->int1 == 2) |
| 1478 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1035 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
| 1479 | |
1036 | |
| 1480 | for (i = 1; i < items; ++i ) |
1037 | for (i = 1; i < items; ++i ) |
| 1481 | { |
1038 | { |
|
|
1039 | aio_req req; |
|
|
1040 | |
| 1482 | if (GIMME_V != G_VOID) |
1041 | if (GIMME_V != G_VOID) |
| 1483 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1042 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
| 1484 | |
1043 | |
| 1485 | req = SvAIO_REQ (ST (i)); |
1044 | req = SvAIO_REQ (ST (i)); |
| 1486 | |
1045 | |
| 1487 | if (req) |
1046 | if (req) |
| 1488 | { |
1047 | eio_grp_add (grp, req); |
| 1489 | ++grp->length; |
|
|
| 1490 | req->grp = grp; |
|
|
| 1491 | |
|
|
| 1492 | req->grp_prev = 0; |
|
|
| 1493 | req->grp_next = grp->grp_first; |
|
|
| 1494 | |
|
|
| 1495 | if (grp->grp_first) |
|
|
| 1496 | grp->grp_first->grp_prev = req; |
|
|
| 1497 | |
|
|
| 1498 | grp->grp_first = req; |
|
|
| 1499 | } |
|
|
| 1500 | } |
1048 | } |
| 1501 | } |
1049 | } |
| 1502 | |
1050 | |
| 1503 | void |
1051 | void |
| 1504 | cancel_subs (aio_req_ornot req) |
1052 | cancel_subs (aio_req_ornot req) |
| … | |
… | |
| 1508 | void |
1056 | void |
| 1509 | result (aio_req grp, ...) |
1057 | result (aio_req grp, ...) |
| 1510 | CODE: |
1058 | CODE: |
| 1511 | { |
1059 | { |
| 1512 | int i; |
1060 | int i; |
|
|
1061 | AV *av; |
|
|
1062 | |
|
|
1063 | grp->errorno = errno; |
|
|
1064 | |
| 1513 | AV *av = newAV (); |
1065 | av = newAV (); |
| 1514 | |
1066 | |
| 1515 | for (i = 1; i < items; ++i ) |
1067 | for (i = 1; i < items; ++i ) |
| 1516 | av_push (av, newSVsv (ST (i))); |
1068 | av_push (av, newSVsv (ST (i))); |
| 1517 | |
1069 | |
| 1518 | SvREFCNT_dec (grp->data); |
1070 | SvREFCNT_dec (grp->sv1); |
| 1519 | grp->data = (SV *)av; |
1071 | grp->sv1 = (SV *)av; |
| 1520 | } |
1072 | } |
|
|
1073 | |
|
|
1074 | void |
|
|
1075 | errno (aio_req grp, int errorno = errno) |
|
|
1076 | CODE: |
|
|
1077 | grp->errorno = errorno; |
| 1521 | |
1078 | |
| 1522 | void |
1079 | void |
| 1523 | limit (aio_req grp, int limit) |
1080 | limit (aio_req grp, int limit) |
| 1524 | CODE: |
1081 | CODE: |
| 1525 | grp->fd2 = limit; |
1082 | eio_grp_limit (grp, limit); |
| 1526 | aio_grp_feed (grp); |
|
|
| 1527 | |
1083 | |
| 1528 | void |
1084 | void |
| 1529 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1085 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
| 1530 | CODE: |
1086 | CODE: |
| 1531 | { |
1087 | { |
| 1532 | SvREFCNT_dec (grp->fh2); |
1088 | SvREFCNT_dec (grp->sv2); |
| 1533 | grp->fh2 = newSVsv (callback); |
1089 | grp->sv2 = newSVsv (callback); |
| 1534 | |
1090 | |
| 1535 | if (grp->fd2 <= 0) |
1091 | if (grp->int2 <= 0) |
| 1536 | grp->fd2 = 2; |
1092 | grp->int2 = 2; |
| 1537 | |
1093 | |
| 1538 | aio_grp_feed (grp); |
1094 | eio_grp_limit (grp, grp->int2); |
| 1539 | } |
1095 | } |
| 1540 | |
1096 | |
