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 | /* number of seconds after which idle threads exit */ |
70 | /* perl stupidly overrides readdir and maybe others */ |
49 | #define IDLE_TIMEOUT 10 |
71 | /* with thread-unsafe versions, imagine that :( */ |
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72 | #undef readdir |
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73 | #undef opendir |
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74 | #undef closedir |
50 | |
75 | |
51 | /* used for struct dirent, AIX doesn't provide it */ |
76 | #define EIO_STRUCT_STAT Stat_t |
52 | #ifndef NAME_MAX |
77 | |
53 | # define NAME_MAX 4096 |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
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79 | #if IVSIZE >= 8 |
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80 | # define SvVAL64 SvIV |
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81 | #else |
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82 | # define SvVAL64 SvNV |
54 | #endif |
83 | #endif |
55 | |
84 | |
56 | #ifndef PTHREAD_STACK_MIN |
85 | /*****************************************************************************/ |
57 | /* care for broken platforms, e.g. windows */ |
86 | |
58 | # define PTHREAD_STACK_MIN 16384 |
87 | #if __GNUC__ >= 3 |
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88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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89 | #else |
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90 | # define expect(expr,value) (expr) |
59 | #endif |
91 | #endif |
60 | |
92 | |
61 | #if __ia64 |
93 | #define expect_false(expr) expect ((expr) != 0, 0) |
62 | # define STACKSIZE 65536 |
94 | #define expect_true(expr) expect ((expr) != 0, 1) |
63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
95 | |
69 | /* wether word reads are potentially non-atomic. |
96 | /*****************************************************************************/ |
70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
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79 | #endif |
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80 | |
97 | |
81 | /* buffer size for various temporary buffers */ |
98 | static HV *stash; |
82 | #define AIO_BUFSIZE 65536 |
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83 | |
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84 | #define dBUF \ |
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85 | char *aio_buf; \ |
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86 | LOCK (wrklock); \ |
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87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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88 | UNLOCK (wrklock); \ |
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89 | if (!aio_buf) \ |
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90 | return -1; |
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91 | |
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92 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
93 | |
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94 | enum { |
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95 | REQ_QUIT, |
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96 | REQ_OPEN, REQ_CLOSE, |
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97 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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98 | REQ_SENDFILE, |
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99 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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100 | REQ_FSYNC, REQ_FDATASYNC, |
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101 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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102 | REQ_MKNOD, REQ_READDIR, |
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103 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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104 | REQ_GROUP, REQ_NOP, |
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105 | REQ_BUSY, |
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106 | }; |
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107 | |
100 | |
108 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
109 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
110 | |
103 | |
111 | typedef struct aio_cb |
104 | #define EIO_REQ_MEMBERS \ |
112 | { |
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113 | struct aio_cb *volatile next; |
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114 | |
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115 | SV *callback, *fh; |
105 | SV *callback; \ |
116 | SV *sv1, *sv2; |
106 | SV *sv1, *sv2; \ |
117 | void *ptr1, *ptr2; |
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118 | off_t offs; |
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119 | size_t size; |
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120 | ssize_t result; |
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121 | |
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122 | STRLEN stroffset; |
107 | STRLEN stroffset; \ |
123 | int type; |
108 | SV *self; |
124 | int int1, int2; |
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125 | int errorno; |
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126 | mode_t mode; /* open */ |
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127 | |
109 | |
128 | unsigned char flags; |
110 | #define EIO_NO_WRAPPERS 1 |
129 | unsigned char pri; |
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130 | |
111 | |
131 | SV *self; /* the perl counterpart of this request, if any */ |
112 | #include "libeio/eio.h" |
132 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
113 | |
133 | } aio_cb; |
114 | static int req_invoke (eio_req *req); |
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115 | #define EIO_FINISH(req) req_invoke (req) |
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116 | static void req_destroy (eio_req *grp); |
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117 | #define EIO_DESTROY(req) req_destroy (req) |
134 | |
118 | |
135 | enum { |
119 | enum { |
136 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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137 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
138 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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139 | }; |
121 | }; |
140 | |
122 | |
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123 | #include "libeio/eio.c" |
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124 | |
141 | typedef aio_cb *aio_req; |
125 | typedef eio_req *aio_req; |
142 | typedef aio_cb *aio_req_ornot; |
126 | typedef eio_req *aio_req_ornot; |
143 | |
127 | |
144 | enum { |
128 | static SV *on_next_submit; |
145 | PRI_MIN = -4, |
129 | static int next_pri = EIO_PRI_DEFAULT; |
146 | PRI_MAX = 4, |
130 | static int max_outstanding; |
147 | |
131 | |
148 | DEFAULT_PRI = 0, |
132 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
149 | PRI_BIAS = -PRI_MIN, |
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150 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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151 | }; |
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152 | |
133 | |
153 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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154 | |
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155 | static unsigned int max_poll_time = 0; |
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156 | static unsigned int max_poll_reqs = 0; |
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157 | |
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158 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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159 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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160 | { |
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161 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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162 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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163 | } |
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164 | |
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165 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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166 | |
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167 | static unsigned int started, idle, wanted; |
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168 | |
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169 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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170 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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171 | #else |
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172 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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173 | #endif |
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174 | |
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175 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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176 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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177 | |
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178 | /* worker threads management */ |
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179 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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180 | |
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181 | typedef struct worker { |
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182 | /* locked by wrklock */ |
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183 | struct worker *prev, *next; |
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184 | |
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185 | pthread_t tid; |
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186 | |
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187 | /* locked by reslock, reqlock or wrklock */ |
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188 | aio_req req; /* currently processed request */ |
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189 | void *dbuf; |
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190 | DIR *dirp; |
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191 | } worker; |
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192 | |
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193 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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194 | |
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195 | static void worker_clear (worker *wrk) |
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196 | { |
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197 | if (wrk->dirp) |
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198 | { |
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199 | closedir (wrk->dirp); |
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200 | wrk->dirp = 0; |
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201 | } |
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202 | |
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203 | if (wrk->dbuf) |
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204 | { |
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205 | free (wrk->dbuf); |
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206 | wrk->dbuf = 0; |
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207 | } |
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208 | } |
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209 | |
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210 | static void worker_free (worker *wrk) |
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211 | { |
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212 | wrk->next->prev = wrk->prev; |
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213 | wrk->prev->next = wrk->next; |
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214 | |
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215 | free (wrk); |
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216 | } |
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217 | |
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218 | static volatile unsigned int nreqs, nready, npending; |
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219 | static volatile unsigned int max_idle = 4; |
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220 | static volatile unsigned int max_outstanding = 0xffffffff; |
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221 | static int respipe [2]; |
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222 | |
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223 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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224 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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225 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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226 | |
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227 | #if WORDACCESS_UNSAFE |
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228 | |
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229 | static unsigned int get_nready () |
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230 | { |
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231 | unsigned int retval; |
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232 | |
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233 | LOCK (reqlock); |
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234 | retval = nready; |
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235 | UNLOCK (reqlock); |
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236 | |
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237 | return retval; |
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238 | } |
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239 | |
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240 | static unsigned int get_npending () |
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241 | { |
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242 | unsigned int retval; |
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243 | |
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244 | LOCK (reslock); |
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245 | retval = npending; |
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246 | UNLOCK (reslock); |
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247 | |
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248 | return retval; |
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249 | } |
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250 | |
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251 | static unsigned int get_nthreads () |
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252 | { |
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253 | unsigned int retval; |
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254 | |
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255 | LOCK (wrklock); |
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256 | retval = started; |
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257 | UNLOCK (wrklock); |
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258 | |
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259 | return retval; |
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260 | } |
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261 | |
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262 | #else |
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263 | |
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264 | # define get_nready() nready |
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265 | # define get_npending() npending |
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266 | # define get_nthreads() started |
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267 | |
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268 | #endif |
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269 | |
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270 | /* |
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271 | * a somewhat faster data structure might be nice, but |
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272 | * with 8 priorities this actually needs <20 insns |
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273 | * per shift, the most expensive operation. |
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274 | */ |
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275 | typedef struct { |
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276 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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277 | int size; |
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278 | } reqq; |
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279 | |
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280 | static reqq req_queue; |
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281 | static reqq res_queue; |
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282 | |
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283 | int reqq_push (reqq *q, aio_req req) |
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284 | { |
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285 | int pri = req->pri; |
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286 | req->next = 0; |
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287 | |
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288 | if (q->qe[pri]) |
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289 | { |
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290 | q->qe[pri]->next = req; |
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291 | q->qe[pri] = req; |
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292 | } |
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293 | else |
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294 | q->qe[pri] = q->qs[pri] = req; |
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295 | |
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296 | return q->size++; |
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297 | } |
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298 | |
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299 | aio_req reqq_shift (reqq *q) |
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300 | { |
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301 | int pri; |
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302 | |
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303 | if (!q->size) |
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304 | return 0; |
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305 | |
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306 | --q->size; |
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307 | |
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308 | for (pri = NUM_PRI; pri--; ) |
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309 | { |
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310 | aio_req req = q->qs[pri]; |
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311 | |
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312 | if (req) |
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313 | { |
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314 | if (!(q->qs[pri] = req->next)) |
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315 | q->qe[pri] = 0; |
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316 | |
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317 | return req; |
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318 | } |
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319 | } |
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320 | |
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321 | abort (); |
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322 | } |
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323 | |
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324 | static int poll_cb (); |
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325 | static void req_invoke (aio_req req); |
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326 | static void req_free (aio_req req); |
134 | static void req_destroy (aio_req req); |
327 | static void req_cancel (aio_req req); |
135 | static void req_cancel (aio_req req); |
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136 | |
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137 | static void want_poll (void) |
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138 | { |
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139 | /* write a dummy byte to the pipe so fh becomes ready */ |
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140 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
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141 | } |
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142 | |
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143 | static void done_poll (void) |
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144 | { |
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145 | /* read any signals sent by the worker threads */ |
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146 | char buf [4]; |
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147 | while (respipe_read (respipe [0], buf, 4) == 4) |
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148 | ; |
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149 | } |
328 | |
150 | |
329 | /* must be called at most once */ |
151 | /* must be called at most once */ |
330 | static SV *req_sv (aio_req req, const char *klass) |
152 | static SV *req_sv (aio_req req, const char *klass) |
331 | { |
153 | { |
332 | if (!req->self) |
154 | if (!req->self) |
… | |
… | |
350 | return mg ? (aio_req)mg->mg_ptr : 0; |
172 | return mg ? (aio_req)mg->mg_ptr : 0; |
351 | } |
173 | } |
352 | |
174 | |
353 | static void aio_grp_feed (aio_req grp) |
175 | static void aio_grp_feed (aio_req grp) |
354 | { |
176 | { |
355 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
177 | if (grp->sv2 && SvOK (grp->sv2)) |
356 | { |
178 | { |
357 | int old_len = grp->size; |
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358 | |
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359 | if (grp->sv2 && SvOK (grp->sv2)) |
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360 | { |
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361 | dSP; |
179 | dSP; |
362 | |
180 | |
363 | ENTER; |
181 | ENTER; |
364 | SAVETMPS; |
182 | SAVETMPS; |
365 | PUSHMARK (SP); |
183 | PUSHMARK (SP); |
366 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
184 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
367 | PUTBACK; |
185 | PUTBACK; |
368 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
186 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
369 | SPAGAIN; |
187 | SPAGAIN; |
370 | FREETMPS; |
188 | FREETMPS; |
371 | LEAVE; |
189 | LEAVE; |
372 | } |
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373 | |
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374 | /* stop if no progress has been made */ |
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375 | if (old_len == grp->size) |
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376 | { |
|
|
377 | SvREFCNT_dec (grp->sv2); |
|
|
378 | grp->sv2 = 0; |
|
|
379 | break; |
|
|
380 | } |
|
|
381 | } |
190 | } |
382 | } |
191 | } |
383 | |
192 | |
384 | static void aio_grp_dec (aio_req grp) |
193 | static void req_submit (eio_req *req) |
385 | { |
194 | { |
386 | --grp->size; |
195 | eio_submit (req); |
387 | |
196 | |
388 | /* call feeder, if applicable */ |
197 | if (expect_false (on_next_submit)) |
389 | aio_grp_feed (grp); |
|
|
390 | |
|
|
391 | /* finish, if done */ |
|
|
392 | if (!grp->size && grp->int1) |
|
|
393 | { |
198 | { |
394 | req_invoke (grp); |
199 | dSP; |
395 | req_free (grp); |
200 | SV *cb = sv_2mortal (on_next_submit); |
|
|
201 | |
|
|
202 | on_next_submit = 0; |
|
|
203 | |
|
|
204 | PUSHMARK (SP); |
|
|
205 | PUTBACK; |
|
|
206 | call_sv (cb, G_DISCARD | G_EVAL); |
396 | } |
207 | } |
397 | } |
208 | } |
398 | |
209 | |
399 | static void req_invoke (aio_req req) |
210 | static int req_invoke (eio_req *req) |
400 | { |
211 | { |
401 | dSP; |
212 | dSP; |
402 | |
213 | |
403 | if (req->flags & FLAG_SV1_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
404 | SvREADONLY_off (req->sv1); |
215 | SvREADONLY_off (req->sv2); |
405 | |
216 | |
406 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
407 | { |
218 | { |
408 | ENTER; |
219 | ENTER; |
409 | SAVETMPS; |
220 | SAVETMPS; |
410 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
411 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
412 | |
223 | |
413 | switch (req->type) |
224 | switch (req->type) |
414 | { |
225 | { |
415 | case REQ_READDIR: |
226 | case EIO_READDIR: |
416 | { |
227 | { |
417 | SV *rv = &PL_sv_undef; |
228 | SV *rv = &PL_sv_undef; |
418 | |
229 | |
419 | if (req->result >= 0) |
230 | if (req->result >= 0) |
420 | { |
231 | { |
… | |
… | |
437 | |
248 | |
438 | PUSHs (rv); |
249 | PUSHs (rv); |
439 | } |
250 | } |
440 | break; |
251 | break; |
441 | |
252 | |
442 | case REQ_OPEN: |
253 | case EIO_OPEN: |
443 | { |
254 | { |
444 | /* convert fd to fh */ |
255 | /* convert fd to fh */ |
445 | SV *fh; |
256 | SV *fh = &PL_sv_undef; |
446 | |
257 | |
447 | PUSHs (sv_2mortal (newSViv (req->result))); |
258 | if (req->result >= 0) |
448 | PUTBACK; |
259 | { |
449 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
260 | GV *gv = (GV *)sv_newmortal (); |
450 | SPAGAIN; |
261 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
262 | char sym [64]; |
|
|
263 | int symlen; |
|
|
264 | |
|
|
265 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
266 | gv_init (gv, stash, sym, symlen, 0); |
451 | |
267 | |
452 | fh = POPs; |
268 | symlen = snprintf ( |
453 | PUSHMARK (SP); |
269 | sym, |
|
|
270 | sizeof (sym), |
|
|
271 | "%s&=%d", |
|
|
272 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
273 | req->result |
|
|
274 | ); |
|
|
275 | |
|
|
276 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
277 | fh = (SV *)gv; |
|
|
278 | } |
|
|
279 | |
454 | XPUSHs (fh); |
280 | PUSHs (fh); |
455 | } |
281 | } |
456 | break; |
282 | break; |
457 | |
283 | |
458 | case REQ_GROUP: |
284 | case EIO_GROUP: |
459 | req->int1 = 2; /* mark group as finished */ |
285 | req->int1 = 2; /* mark group as finished */ |
460 | |
286 | |
461 | if (req->sv1) |
287 | if (req->sv1) |
462 | { |
288 | { |
463 | int i; |
289 | int i; |
… | |
… | |
467 | for (i = 0; i <= AvFILL (av); ++i) |
293 | for (i = 0; i <= AvFILL (av); ++i) |
468 | PUSHs (*av_fetch (av, i, 0)); |
294 | PUSHs (*av_fetch (av, i, 0)); |
469 | } |
295 | } |
470 | break; |
296 | break; |
471 | |
297 | |
472 | case REQ_NOP: |
298 | case EIO_NOP: |
473 | case REQ_BUSY: |
299 | case EIO_BUSY: |
474 | break; |
300 | break; |
475 | |
301 | |
476 | case REQ_READLINK: |
302 | case EIO_READLINK: |
477 | if (req->result > 0) |
303 | if (req->result > 0) |
478 | { |
304 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
479 | SvCUR_set (req->sv1, req->result); |
|
|
480 | *SvEND (req->sv1) = 0; |
|
|
481 | PUSHs (req->sv1); |
|
|
482 | } |
|
|
483 | break; |
305 | break; |
484 | |
306 | |
485 | case REQ_STAT: |
307 | case EIO_STAT: |
486 | case REQ_LSTAT: |
308 | case EIO_LSTAT: |
487 | case REQ_FSTAT: |
309 | case EIO_FSTAT: |
488 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
310 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
489 | PL_laststatval = req->result; |
311 | PL_laststatval = req->result; |
490 | PL_statcache = *(Stat_t *)(req->ptr2); |
312 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
491 | PUSHs (sv_2mortal (newSViv (req->result))); |
313 | PUSHs (sv_2mortal (newSViv (req->result))); |
492 | break; |
314 | break; |
493 | |
315 | |
494 | case REQ_READ: |
316 | case EIO_READ: |
495 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
317 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
496 | *SvEND (req->sv1) = 0; |
318 | *SvEND (req->sv2) = 0; |
497 | PUSHs (sv_2mortal (newSViv (req->result))); |
319 | PUSHs (sv_2mortal (newSViv (req->result))); |
498 | break; |
320 | break; |
|
|
321 | |
|
|
322 | case EIO_DUP2: |
|
|
323 | if (req->result > 0) |
|
|
324 | req->result = 0; |
|
|
325 | /* FALLTHROUGH */ |
499 | |
326 | |
500 | default: |
327 | default: |
501 | PUSHs (sv_2mortal (newSViv (req->result))); |
328 | PUSHs (sv_2mortal (newSViv (req->result))); |
502 | break; |
329 | break; |
503 | } |
330 | } |
504 | |
331 | |
505 | errno = req->errorno; |
332 | errno = req->errorno; |
506 | |
333 | |
507 | PUTBACK; |
334 | PUTBACK; |
508 | call_sv (req->callback, G_VOID | G_EVAL); |
335 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
509 | SPAGAIN; |
336 | SPAGAIN; |
510 | |
337 | |
511 | FREETMPS; |
338 | FREETMPS; |
512 | LEAVE; |
339 | LEAVE; |
|
|
340 | |
|
|
341 | PUTBACK; |
513 | } |
342 | } |
514 | |
343 | |
515 | if (req->grp) |
344 | return !!SvTRUE (ERRSV); |
516 | { |
|
|
517 | aio_req grp = req->grp; |
|
|
518 | |
|
|
519 | /* unlink request */ |
|
|
520 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
521 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
522 | |
|
|
523 | if (grp->grp_first == req) |
|
|
524 | grp->grp_first = req->grp_next; |
|
|
525 | |
|
|
526 | aio_grp_dec (grp); |
|
|
527 | } |
|
|
528 | |
|
|
529 | if (SvTRUE (ERRSV)) |
|
|
530 | { |
|
|
531 | req_free (req); |
|
|
532 | croak (0); |
|
|
533 | } |
|
|
534 | } |
345 | } |
535 | |
346 | |
536 | static void req_free (aio_req req) |
347 | static void req_destroy (aio_req req) |
537 | { |
348 | { |
538 | if (req->self) |
349 | if (req->self) |
539 | { |
350 | { |
540 | sv_unmagic (req->self, PERL_MAGIC_ext); |
351 | sv_unmagic (req->self, PERL_MAGIC_ext); |
541 | SvREFCNT_dec (req->self); |
352 | SvREFCNT_dec (req->self); |
542 | } |
353 | } |
543 | |
354 | |
544 | SvREFCNT_dec (req->fh); |
|
|
545 | SvREFCNT_dec (req->sv1); |
355 | SvREFCNT_dec (req->sv1); |
546 | SvREFCNT_dec (req->sv2); |
356 | SvREFCNT_dec (req->sv2); |
547 | SvREFCNT_dec (req->callback); |
357 | SvREFCNT_dec (req->callback); |
548 | |
358 | |
549 | if (req->flags & FLAG_PTR2_FREE) |
|
|
550 | free (req->ptr2); |
|
|
551 | |
|
|
552 | Safefree (req); |
359 | Safefree (req); |
553 | } |
360 | } |
554 | |
361 | |
555 | static void req_cancel_subs (aio_req grp) |
362 | static void req_cancel_subs (aio_req grp) |
556 | { |
363 | { |
557 | aio_req sub; |
364 | aio_req sub; |
558 | |
365 | |
559 | if (grp->type != REQ_GROUP) |
366 | if (grp->type != EIO_GROUP) |
560 | return; |
367 | return; |
561 | |
368 | |
562 | SvREFCNT_dec (grp->sv2); |
369 | SvREFCNT_dec (grp->sv2); |
563 | grp->sv2 = 0; |
370 | grp->sv2 = 0; |
564 | |
371 | |
565 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
372 | eio_grp_cancel (grp); |
566 | req_cancel (sub); |
|
|
567 | } |
373 | } |
568 | |
374 | |
569 | static void req_cancel (aio_req req) |
375 | #ifdef USE_SOCKETS_AS_HANDLES |
570 | { |
376 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
571 | req->flags |= FLAG_CANCELLED; |
377 | #else |
572 | |
378 | # define TO_SOCKET(x) (x) |
573 | req_cancel_subs (req); |
|
|
574 | } |
|
|
575 | |
|
|
576 | static void *aio_proc(void *arg); |
|
|
577 | |
|
|
578 | static void start_thread (void) |
|
|
579 | { |
|
|
580 | sigset_t fullsigset, oldsigset; |
|
|
581 | pthread_attr_t attr; |
|
|
582 | |
|
|
583 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
584 | |
|
|
585 | if (!wrk) |
|
|
586 | croak ("unable to allocate worker thread data"); |
|
|
587 | |
|
|
588 | pthread_attr_init (&attr); |
|
|
589 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
590 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
591 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
592 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
593 | #endif |
379 | #endif |
594 | |
380 | |
595 | sigfillset (&fullsigset); |
381 | static void |
|
|
382 | create_respipe (void) |
|
|
383 | { |
|
|
384 | int old_readfd = respipe [0]; |
596 | |
385 | |
597 | LOCK (wrklock); |
386 | if (respipe [1] >= 0) |
598 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
387 | respipe_close (TO_SOCKET (respipe [1])); |
599 | |
388 | |
600 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
389 | #ifdef _WIN32 |
|
|
390 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
391 | #else |
|
|
392 | if (pipe (respipe)) |
|
|
393 | #endif |
|
|
394 | croak ("unable to initialize result pipe"); |
|
|
395 | |
|
|
396 | if (old_readfd >= 0) |
601 | { |
397 | { |
602 | wrk->prev = &wrk_first; |
398 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
603 | wrk->next = wrk_first.next; |
399 | croak ("unable to initialize result pipe(2)"); |
604 | wrk_first.next->prev = wrk; |
400 | |
605 | wrk_first.next = wrk; |
401 | respipe_close (respipe [0]); |
606 | ++started; |
402 | respipe [0] = old_readfd; |
607 | } |
403 | } |
608 | else |
|
|
609 | free (wrk); |
|
|
610 | |
404 | |
611 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
405 | #ifdef _WIN32 |
612 | UNLOCK (wrklock); |
406 | int arg = 1; |
613 | } |
407 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
408 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
409 | #else |
|
|
410 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
411 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
412 | #endif |
|
|
413 | croak ("unable to initialize result pipe(3)"); |
614 | |
414 | |
615 | static void maybe_start_thread () |
415 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
616 | { |
416 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
617 | if (get_nthreads () >= wanted) |
|
|
618 | return; |
|
|
619 | |
|
|
620 | /* todo: maybe use idle here, but might be less exact */ |
|
|
621 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
622 | return; |
|
|
623 | |
|
|
624 | start_thread (); |
|
|
625 | } |
417 | } |
626 | |
418 | |
627 | static void req_send (aio_req req) |
|
|
628 | { |
|
|
629 | ++nreqs; |
|
|
630 | |
|
|
631 | LOCK (reqlock); |
|
|
632 | ++nready; |
|
|
633 | reqq_push (&req_queue, req); |
|
|
634 | pthread_cond_signal (&reqwait); |
|
|
635 | UNLOCK (reqlock); |
|
|
636 | |
|
|
637 | maybe_start_thread (); |
|
|
638 | } |
|
|
639 | |
|
|
640 | static void end_thread (void) |
|
|
641 | { |
|
|
642 | aio_req req; |
|
|
643 | |
|
|
644 | Newz (0, req, 1, aio_cb); |
|
|
645 | |
|
|
646 | req->type = REQ_QUIT; |
|
|
647 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
648 | |
|
|
649 | LOCK (reqlock); |
|
|
650 | reqq_push (&req_queue, req); |
|
|
651 | pthread_cond_signal (&reqwait); |
|
|
652 | UNLOCK (reqlock); |
|
|
653 | |
|
|
654 | LOCK (wrklock); |
|
|
655 | --started; |
|
|
656 | UNLOCK (wrklock); |
|
|
657 | } |
|
|
658 | |
|
|
659 | static void set_max_idle (int nthreads) |
|
|
660 | { |
|
|
661 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
662 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
663 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
664 | } |
|
|
665 | |
|
|
666 | static void min_parallel (int nthreads) |
|
|
667 | { |
|
|
668 | if (wanted < nthreads) |
|
|
669 | wanted = nthreads; |
|
|
670 | } |
|
|
671 | |
|
|
672 | static void max_parallel (int nthreads) |
|
|
673 | { |
|
|
674 | if (wanted > nthreads) |
|
|
675 | wanted = nthreads; |
|
|
676 | |
|
|
677 | while (started > wanted) |
|
|
678 | end_thread (); |
|
|
679 | } |
|
|
680 | |
|
|
681 | static void poll_wait () |
419 | static void poll_wait (void) |
682 | { |
420 | { |
683 | fd_set rfd; |
421 | fd_set rfd; |
684 | |
422 | |
685 | while (nreqs) |
423 | while (eio_nreqs ()) |
686 | { |
424 | { |
687 | int size; |
425 | int size; |
688 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
426 | |
|
|
427 | X_LOCK (reslock); |
689 | size = res_queue.size; |
428 | size = res_queue.size; |
690 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
429 | X_UNLOCK (reslock); |
691 | |
430 | |
692 | if (size) |
431 | if (size) |
693 | return; |
432 | return; |
694 | |
433 | |
695 | maybe_start_thread (); |
434 | etp_maybe_start_thread (); |
696 | |
435 | |
697 | FD_ZERO(&rfd); |
436 | FD_ZERO (&rfd); |
698 | FD_SET(respipe [0], &rfd); |
437 | FD_SET (respipe [0], &rfd); |
699 | |
438 | |
700 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
439 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
701 | } |
440 | } |
702 | } |
441 | } |
703 | |
442 | |
704 | static int poll_cb () |
443 | static int poll_cb (void) |
705 | { |
444 | { |
706 | dSP; |
|
|
707 | int count = 0; |
|
|
708 | int maxreqs = max_poll_reqs; |
|
|
709 | int do_croak = 0; |
|
|
710 | struct timeval tv_start, tv_now; |
|
|
711 | aio_req req; |
|
|
712 | |
|
|
713 | if (max_poll_time) |
|
|
714 | gettimeofday (&tv_start, 0); |
|
|
715 | |
|
|
716 | for (;;) |
445 | for (;;) |
717 | { |
446 | { |
718 | for (;;) |
447 | int res = eio_poll (); |
719 | { |
|
|
720 | maybe_start_thread (); |
|
|
721 | |
448 | |
722 | LOCK (reslock); |
449 | if (res > 0) |
723 | req = reqq_shift (&res_queue); |
|
|
724 | |
|
|
725 | if (req) |
|
|
726 | { |
|
|
727 | --npending; |
|
|
728 | |
|
|
729 | if (!res_queue.size) |
|
|
730 | { |
|
|
731 | /* read any signals sent by the worker threads */ |
|
|
732 | char buf [32]; |
|
|
733 | while (read (respipe [0], buf, 32) == 32) |
|
|
734 | ; |
|
|
735 | } |
|
|
736 | } |
|
|
737 | |
|
|
738 | UNLOCK (reslock); |
|
|
739 | |
|
|
740 | if (!req) |
|
|
741 | break; |
|
|
742 | |
|
|
743 | --nreqs; |
|
|
744 | |
|
|
745 | if (req->type == REQ_GROUP && req->size) |
|
|
746 | { |
|
|
747 | req->int1 = 1; /* mark request as delayed */ |
|
|
748 | continue; |
|
|
749 | } |
|
|
750 | else |
|
|
751 | { |
|
|
752 | req_invoke (req); |
|
|
753 | |
|
|
754 | count++; |
|
|
755 | } |
|
|
756 | |
|
|
757 | req_free (req); |
|
|
758 | |
|
|
759 | if (maxreqs && !--maxreqs) |
|
|
760 | break; |
|
|
761 | |
|
|
762 | if (max_poll_time) |
|
|
763 | { |
|
|
764 | gettimeofday (&tv_now, 0); |
|
|
765 | |
|
|
766 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
767 | break; |
|
|
768 | } |
|
|
769 | } |
|
|
770 | |
|
|
771 | if (nreqs <= max_outstanding) |
|
|
772 | break; |
450 | croak (0); |
|
|
451 | |
|
|
452 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
453 | return res; |
773 | |
454 | |
774 | poll_wait (); |
455 | poll_wait (); |
775 | |
|
|
776 | ++maxreqs; |
|
|
777 | } |
456 | } |
778 | |
|
|
779 | return count; |
|
|
780 | } |
457 | } |
781 | |
458 | |
782 | static void create_pipe () |
459 | static void atfork_child (void) |
783 | { |
460 | { |
784 | if (pipe (respipe)) |
461 | create_respipe (); |
785 | croak ("unable to initialize result pipe"); |
|
|
786 | |
|
|
787 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
788 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
789 | |
|
|
790 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
791 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
792 | } |
462 | } |
793 | |
463 | |
794 | /*****************************************************************************/ |
464 | static SV * |
795 | /* work around various missing functions */ |
465 | get_cb (SV *cb_sv) |
796 | |
|
|
797 | #if !HAVE_PREADWRITE |
|
|
798 | # define pread aio_pread |
|
|
799 | # define pwrite aio_pwrite |
|
|
800 | |
|
|
801 | /* |
|
|
802 | * make our pread/pwrite safe against themselves, but not against |
|
|
803 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
804 | * but that's your problem, not mine. |
|
|
805 | */ |
|
|
806 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
807 | |
|
|
808 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
809 | { |
466 | { |
810 | ssize_t res; |
467 | HV *st; |
811 | off_t ooffset; |
468 | GV *gvp; |
|
|
469 | CV *cv; |
812 | |
470 | |
813 | LOCK (preadwritelock); |
471 | if (!SvOK (cb_sv)) |
814 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
815 | lseek (fd, offset, SEEK_SET); |
|
|
816 | res = read (fd, buf, count); |
|
|
817 | lseek (fd, ooffset, SEEK_SET); |
|
|
818 | UNLOCK (preadwritelock); |
|
|
819 | |
|
|
820 | return res; |
|
|
821 | } |
|
|
822 | |
|
|
823 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
824 | { |
|
|
825 | ssize_t res; |
|
|
826 | off_t ooffset; |
|
|
827 | |
|
|
828 | LOCK (preadwritelock); |
|
|
829 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
830 | lseek (fd, offset, SEEK_SET); |
|
|
831 | res = write (fd, buf, count); |
|
|
832 | lseek (fd, offset, SEEK_SET); |
|
|
833 | UNLOCK (preadwritelock); |
|
|
834 | |
|
|
835 | return res; |
|
|
836 | } |
|
|
837 | #endif |
|
|
838 | |
|
|
839 | #if !HAVE_FDATASYNC |
|
|
840 | # define fdatasync fsync |
|
|
841 | #endif |
|
|
842 | |
|
|
843 | #if !HAVE_READAHEAD |
|
|
844 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
845 | |
|
|
846 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
847 | { |
|
|
848 | dBUF; |
|
|
849 | |
|
|
850 | while (count > 0) |
|
|
851 | { |
|
|
852 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
853 | |
|
|
854 | pread (fd, aio_buf, len, offset); |
|
|
855 | offset += len; |
|
|
856 | count -= len; |
|
|
857 | } |
|
|
858 | |
|
|
859 | errno = 0; |
|
|
860 | } |
|
|
861 | |
|
|
862 | #endif |
|
|
863 | |
|
|
864 | #if !HAVE_READDIR_R |
|
|
865 | # define readdir_r aio_readdir_r |
|
|
866 | |
|
|
867 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
868 | |
|
|
869 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
870 | { |
|
|
871 | struct dirent *e; |
|
|
872 | int errorno; |
|
|
873 | |
|
|
874 | LOCK (readdirlock); |
|
|
875 | |
|
|
876 | e = readdir (dirp); |
|
|
877 | errorno = errno; |
|
|
878 | |
|
|
879 | if (e) |
|
|
880 | { |
|
|
881 | *res = ent; |
|
|
882 | strcpy (ent->d_name, e->d_name); |
|
|
883 | } |
|
|
884 | else |
|
|
885 | *res = 0; |
|
|
886 | |
|
|
887 | UNLOCK (readdirlock); |
|
|
888 | |
|
|
889 | errno = errorno; |
|
|
890 | return e ? 0 : -1; |
|
|
891 | } |
|
|
892 | #endif |
|
|
893 | |
|
|
894 | /* sendfile always needs emulation */ |
|
|
895 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
896 | { |
|
|
897 | ssize_t res; |
|
|
898 | |
|
|
899 | if (!count) |
|
|
900 | return 0; |
472 | return 0; |
901 | |
473 | |
902 | #if HAVE_SENDFILE |
474 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
903 | # if __linux |
|
|
904 | res = sendfile (ofd, ifd, &offset, count); |
|
|
905 | |
475 | |
906 | # elif __freebsd |
476 | if (!cv) |
907 | /* |
477 | croak ("IO::AIO callback must be undef or a CODE reference"); |
908 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
909 | * wasted on making it similar to other I/O functions. |
|
|
910 | */ |
|
|
911 | { |
|
|
912 | off_t sbytes; |
|
|
913 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
914 | |
478 | |
915 | if (res < 0 && sbytes) |
479 | return (SV *)cv; |
916 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
917 | res = sbytes; |
|
|
918 | } |
|
|
919 | |
|
|
920 | # elif __hpux |
|
|
921 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
922 | |
|
|
923 | # elif __solaris |
|
|
924 | { |
|
|
925 | struct sendfilevec vec; |
|
|
926 | size_t sbytes; |
|
|
927 | |
|
|
928 | vec.sfv_fd = ifd; |
|
|
929 | vec.sfv_flag = 0; |
|
|
930 | vec.sfv_off = offset; |
|
|
931 | vec.sfv_len = count; |
|
|
932 | |
|
|
933 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
934 | |
|
|
935 | if (res < 0 && sbytes) |
|
|
936 | res = sbytes; |
|
|
937 | } |
|
|
938 | |
|
|
939 | # endif |
|
|
940 | #else |
|
|
941 | res = -1; |
|
|
942 | errno = ENOSYS; |
|
|
943 | #endif |
|
|
944 | |
|
|
945 | if (res < 0 |
|
|
946 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
947 | #if __solaris |
|
|
948 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
949 | #endif |
|
|
950 | ) |
|
|
951 | ) |
|
|
952 | { |
|
|
953 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
954 | dBUF; |
|
|
955 | |
|
|
956 | res = 0; |
|
|
957 | |
|
|
958 | while (count) |
|
|
959 | { |
|
|
960 | ssize_t cnt; |
|
|
961 | |
|
|
962 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
963 | |
|
|
964 | if (cnt <= 0) |
|
|
965 | { |
|
|
966 | if (cnt && !res) res = -1; |
|
|
967 | break; |
|
|
968 | } |
|
|
969 | |
|
|
970 | cnt = write (ofd, aio_buf, cnt); |
|
|
971 | |
|
|
972 | if (cnt <= 0) |
|
|
973 | { |
|
|
974 | if (cnt && !res) res = -1; |
|
|
975 | break; |
|
|
976 | } |
|
|
977 | |
|
|
978 | offset += cnt; |
|
|
979 | res += cnt; |
|
|
980 | count -= cnt; |
|
|
981 | } |
|
|
982 | } |
|
|
983 | |
|
|
984 | return res; |
|
|
985 | } |
|
|
986 | |
|
|
987 | /* read a full directory */ |
|
|
988 | static void scandir_ (aio_req req, worker *self) |
|
|
989 | { |
|
|
990 | DIR *dirp; |
|
|
991 | union |
|
|
992 | { |
|
|
993 | struct dirent d; |
|
|
994 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
995 | } *u; |
|
|
996 | struct dirent *entp; |
|
|
997 | char *name, *names; |
|
|
998 | int memlen = 4096; |
|
|
999 | int memofs = 0; |
|
|
1000 | int res = 0; |
|
|
1001 | int errorno; |
|
|
1002 | |
|
|
1003 | LOCK (wrklock); |
|
|
1004 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1005 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1006 | req->flags |= FLAG_PTR2_FREE; |
|
|
1007 | req->ptr2 = names = malloc (memlen); |
|
|
1008 | UNLOCK (wrklock); |
|
|
1009 | |
|
|
1010 | if (dirp && u && names) |
|
|
1011 | for (;;) |
|
|
1012 | { |
|
|
1013 | errno = 0; |
|
|
1014 | readdir_r (dirp, &u->d, &entp); |
|
|
1015 | |
|
|
1016 | if (!entp) |
|
|
1017 | break; |
|
|
1018 | |
|
|
1019 | name = entp->d_name; |
|
|
1020 | |
|
|
1021 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1022 | { |
|
|
1023 | int len = strlen (name) + 1; |
|
|
1024 | |
|
|
1025 | res++; |
|
|
1026 | |
|
|
1027 | while (memofs + len > memlen) |
|
|
1028 | { |
|
|
1029 | memlen *= 2; |
|
|
1030 | LOCK (wrklock); |
|
|
1031 | req->ptr2 = names = realloc (names, memlen); |
|
|
1032 | UNLOCK (wrklock); |
|
|
1033 | |
|
|
1034 | if (!names) |
|
|
1035 | break; |
|
|
1036 | } |
|
|
1037 | |
|
|
1038 | memcpy (names + memofs, name, len); |
|
|
1039 | memofs += len; |
|
|
1040 | } |
|
|
1041 | } |
|
|
1042 | |
|
|
1043 | if (errno) |
|
|
1044 | res = -1; |
|
|
1045 | |
|
|
1046 | req->result = res; |
|
|
1047 | } |
|
|
1048 | |
|
|
1049 | /*****************************************************************************/ |
|
|
1050 | |
|
|
1051 | static void *aio_proc (void *thr_arg) |
|
|
1052 | { |
|
|
1053 | aio_req req; |
|
|
1054 | struct timespec ts; |
|
|
1055 | worker *self = (worker *)thr_arg; |
|
|
1056 | |
|
|
1057 | /* try to distribute timeouts somewhat evenly */ |
|
|
1058 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1059 | * (1000000000UL / 1024UL); |
|
|
1060 | |
|
|
1061 | for (;;) |
|
|
1062 | { |
|
|
1063 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1064 | |
|
|
1065 | LOCK (reqlock); |
|
|
1066 | |
|
|
1067 | for (;;) |
|
|
1068 | { |
|
|
1069 | self->req = req = reqq_shift (&req_queue); |
|
|
1070 | |
|
|
1071 | if (req) |
|
|
1072 | break; |
|
|
1073 | |
|
|
1074 | ++idle; |
|
|
1075 | |
|
|
1076 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1077 | == ETIMEDOUT) |
|
|
1078 | { |
|
|
1079 | if (idle > max_idle) |
|
|
1080 | { |
|
|
1081 | --idle; |
|
|
1082 | UNLOCK (reqlock); |
|
|
1083 | LOCK (wrklock); |
|
|
1084 | --started; |
|
|
1085 | UNLOCK (wrklock); |
|
|
1086 | goto quit; |
|
|
1087 | } |
|
|
1088 | |
|
|
1089 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1090 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1091 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | --idle; |
|
|
1095 | } |
|
|
1096 | |
|
|
1097 | --nready; |
|
|
1098 | |
|
|
1099 | UNLOCK (reqlock); |
|
|
1100 | |
|
|
1101 | errno = 0; /* strictly unnecessary */ |
|
|
1102 | |
|
|
1103 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1104 | switch (req->type) |
|
|
1105 | { |
|
|
1106 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1107 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1108 | |
|
|
1109 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1110 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1111 | |
|
|
1112 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1113 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1114 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1115 | |
|
|
1116 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1117 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1118 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1119 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1120 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1121 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1122 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1123 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1124 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1125 | |
|
|
1126 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1127 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1128 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1129 | |
|
|
1130 | case REQ_BUSY: |
|
|
1131 | { |
|
|
1132 | struct timeval tv; |
|
|
1133 | |
|
|
1134 | tv.tv_sec = req->int1; |
|
|
1135 | tv.tv_usec = req->int2; |
|
|
1136 | |
|
|
1137 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | case REQ_GROUP: |
|
|
1141 | case REQ_NOP: |
|
|
1142 | break; |
|
|
1143 | |
|
|
1144 | case REQ_QUIT: |
|
|
1145 | goto quit; |
|
|
1146 | |
|
|
1147 | default: |
|
|
1148 | req->result = ENOSYS; |
|
|
1149 | break; |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | req->errorno = errno; |
|
|
1153 | |
|
|
1154 | LOCK (reslock); |
|
|
1155 | |
|
|
1156 | ++npending; |
|
|
1157 | |
|
|
1158 | if (!reqq_push (&res_queue, req)) |
|
|
1159 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1160 | write (respipe [1], &respipe, 1); |
|
|
1161 | |
|
|
1162 | self->req = 0; |
|
|
1163 | worker_clear (self); |
|
|
1164 | |
|
|
1165 | UNLOCK (reslock); |
|
|
1166 | } |
|
|
1167 | |
|
|
1168 | quit: |
|
|
1169 | LOCK (wrklock); |
|
|
1170 | worker_free (self); |
|
|
1171 | UNLOCK (wrklock); |
|
|
1172 | |
|
|
1173 | return 0; |
|
|
1174 | } |
|
|
1175 | |
|
|
1176 | /*****************************************************************************/ |
|
|
1177 | |
|
|
1178 | static void atfork_prepare (void) |
|
|
1179 | { |
|
|
1180 | LOCK (wrklock); |
|
|
1181 | LOCK (reqlock); |
|
|
1182 | LOCK (reslock); |
|
|
1183 | #if !HAVE_PREADWRITE |
|
|
1184 | LOCK (preadwritelock); |
|
|
1185 | #endif |
|
|
1186 | #if !HAVE_READDIR_R |
|
|
1187 | LOCK (readdirlock); |
|
|
1188 | #endif |
|
|
1189 | } |
|
|
1190 | |
|
|
1191 | static void atfork_parent (void) |
|
|
1192 | { |
|
|
1193 | #if !HAVE_READDIR_R |
|
|
1194 | UNLOCK (readdirlock); |
|
|
1195 | #endif |
|
|
1196 | #if !HAVE_PREADWRITE |
|
|
1197 | UNLOCK (preadwritelock); |
|
|
1198 | #endif |
|
|
1199 | UNLOCK (reslock); |
|
|
1200 | UNLOCK (reqlock); |
|
|
1201 | UNLOCK (wrklock); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | static void atfork_child (void) |
|
|
1205 | { |
|
|
1206 | aio_req prv; |
|
|
1207 | |
|
|
1208 | while (prv = reqq_shift (&req_queue)) |
|
|
1209 | req_free (prv); |
|
|
1210 | |
|
|
1211 | while (prv = reqq_shift (&res_queue)) |
|
|
1212 | req_free (prv); |
|
|
1213 | |
|
|
1214 | while (wrk_first.next != &wrk_first) |
|
|
1215 | { |
|
|
1216 | worker *wrk = wrk_first.next; |
|
|
1217 | |
|
|
1218 | if (wrk->req) |
|
|
1219 | req_free (wrk->req); |
|
|
1220 | |
|
|
1221 | worker_clear (wrk); |
|
|
1222 | worker_free (wrk); |
|
|
1223 | } |
|
|
1224 | |
|
|
1225 | started = 0; |
|
|
1226 | idle = 0; |
|
|
1227 | nreqs = 0; |
|
|
1228 | nready = 0; |
|
|
1229 | npending = 0; |
|
|
1230 | |
|
|
1231 | close (respipe [0]); |
|
|
1232 | close (respipe [1]); |
|
|
1233 | create_pipe (); |
|
|
1234 | |
|
|
1235 | atfork_parent (); |
|
|
1236 | } |
480 | } |
1237 | |
481 | |
1238 | #define dREQ \ |
482 | #define dREQ \ |
|
|
483 | SV *cb_cv; \ |
1239 | aio_req req; \ |
484 | aio_req req; \ |
1240 | int req_pri = next_pri; \ |
485 | int req_pri = next_pri; \ |
1241 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
486 | next_pri = EIO_PRI_DEFAULT; \ |
1242 | \ |
487 | \ |
1243 | if (SvOK (callback) && !SvROK (callback)) \ |
488 | cb_cv = get_cb (callback); \ |
1244 | croak ("callback must be undef or of reference type"); \ |
|
|
1245 | \ |
489 | \ |
1246 | Newz (0, req, 1, aio_cb); \ |
490 | Newz (0, req, 1, eio_req); \ |
1247 | if (!req) \ |
491 | if (!req) \ |
1248 | croak ("out of memory during aio_req allocation"); \ |
492 | croak ("out of memory during eio_req allocation"); \ |
1249 | \ |
493 | \ |
1250 | req->callback = newSVsv (callback); \ |
494 | req->callback = SvREFCNT_inc (cb_cv); \ |
1251 | req->pri = req_pri |
495 | req->pri = req_pri |
1252 | |
496 | |
1253 | #define REQ_SEND \ |
497 | #define REQ_SEND \ |
|
|
498 | PUTBACK; \ |
1254 | req_send (req); \ |
499 | req_submit (req); \ |
|
|
500 | SPAGAIN; \ |
1255 | \ |
501 | \ |
1256 | if (GIMME_V != G_VOID) \ |
502 | if (GIMME_V != G_VOID) \ |
1257 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
503 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1258 | |
504 | |
1259 | MODULE = IO::AIO PACKAGE = IO::AIO |
505 | MODULE = IO::AIO PACKAGE = IO::AIO |
1260 | |
506 | |
1261 | PROTOTYPES: ENABLE |
507 | PROTOTYPES: ENABLE |
1262 | |
508 | |
1263 | BOOT: |
509 | BOOT: |
1264 | { |
510 | { |
1265 | HV *stash = gv_stashpv ("IO::AIO", 1); |
511 | stash = gv_stashpv ("IO::AIO", 1); |
1266 | |
512 | |
1267 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
513 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1268 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
514 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1269 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
515 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1270 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
516 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1271 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
517 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
518 | #ifndef _WIN32 |
1272 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
519 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
520 | #endif |
|
|
521 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
522 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
523 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
524 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
1273 | |
525 | |
1274 | create_pipe (); |
526 | create_respipe (); |
1275 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
527 | |
|
|
528 | if (eio_init (want_poll, done_poll) < 0) |
|
|
529 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
530 | |
|
|
531 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
532 | X_THREAD_ATFORK (0, 0, atfork_child); |
1276 | } |
533 | } |
1277 | |
534 | |
1278 | void |
535 | void |
1279 | max_poll_reqs (int nreqs) |
536 | max_poll_reqs (int nreqs) |
1280 | PROTOTYPE: $ |
537 | PROTOTYPE: $ |
1281 | CODE: |
538 | CODE: |
1282 | max_poll_reqs = nreqs; |
539 | eio_set_max_poll_reqs (nreqs); |
1283 | |
540 | |
1284 | void |
541 | void |
1285 | max_poll_time (double nseconds) |
542 | max_poll_time (double nseconds) |
1286 | PROTOTYPE: $ |
543 | PROTOTYPE: $ |
1287 | CODE: |
544 | CODE: |
1288 | max_poll_time = nseconds * AIO_TICKS; |
545 | eio_set_max_poll_time (nseconds); |
1289 | |
546 | |
1290 | void |
547 | void |
1291 | min_parallel (int nthreads) |
548 | min_parallel (int nthreads) |
1292 | PROTOTYPE: $ |
549 | PROTOTYPE: $ |
|
|
550 | CODE: |
|
|
551 | eio_set_min_parallel (nthreads); |
1293 | |
552 | |
1294 | void |
553 | void |
1295 | max_parallel (int nthreads) |
554 | max_parallel (int nthreads) |
1296 | PROTOTYPE: $ |
555 | PROTOTYPE: $ |
|
|
556 | CODE: |
|
|
557 | eio_set_max_parallel (nthreads); |
1297 | |
558 | |
1298 | void |
559 | void |
1299 | max_idle (int nthreads) |
560 | max_idle (int nthreads) |
1300 | PROTOTYPE: $ |
561 | PROTOTYPE: $ |
1301 | CODE: |
562 | CODE: |
1302 | set_max_idle (nthreads); |
563 | eio_set_max_idle (nthreads); |
1303 | |
564 | |
1304 | int |
565 | void |
1305 | max_outstanding (int maxreqs) |
566 | max_outstanding (int maxreqs) |
1306 | PROTOTYPE: $ |
567 | PROTOTYPE: $ |
1307 | CODE: |
568 | CODE: |
1308 | RETVAL = max_outstanding; |
|
|
1309 | max_outstanding = maxreqs; |
569 | max_outstanding = maxreqs; |
1310 | OUTPUT: |
|
|
1311 | RETVAL |
|
|
1312 | |
570 | |
1313 | void |
571 | void |
1314 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
572 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1315 | SV8 * pathname |
|
|
1316 | int flags |
|
|
1317 | int mode |
|
|
1318 | SV * callback |
|
|
1319 | PROTOTYPE: $$$;$ |
573 | PROTOTYPE: $$$;$ |
1320 | PPCODE: |
574 | PPCODE: |
1321 | { |
575 | { |
1322 | dREQ; |
576 | dREQ; |
1323 | |
577 | |
1324 | req->type = REQ_OPEN; |
578 | req->type = EIO_OPEN; |
1325 | req->sv1 = newSVsv (pathname); |
579 | req->sv1 = newSVsv (pathname); |
1326 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
580 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1327 | req->int1 = flags; |
581 | req->int1 = flags; |
1328 | req->mode = mode; |
582 | req->int2 = mode; |
1329 | |
583 | |
1330 | REQ_SEND; |
584 | REQ_SEND; |
1331 | } |
585 | } |
1332 | |
586 | |
1333 | void |
587 | void |
1334 | aio_close (fh,callback=&PL_sv_undef) |
588 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1335 | SV * fh |
|
|
1336 | SV * callback |
|
|
1337 | PROTOTYPE: $;$ |
589 | PROTOTYPE: $;$ |
1338 | ALIAS: |
590 | ALIAS: |
1339 | aio_close = REQ_CLOSE |
|
|
1340 | aio_fsync = REQ_FSYNC |
591 | aio_fsync = EIO_FSYNC |
1341 | aio_fdatasync = REQ_FDATASYNC |
592 | aio_fdatasync = EIO_FDATASYNC |
1342 | PPCODE: |
593 | PPCODE: |
1343 | { |
594 | { |
1344 | dREQ; |
595 | dREQ; |
1345 | |
596 | |
1346 | req->type = ix; |
597 | req->type = ix; |
1347 | req->fh = newSVsv (fh); |
598 | req->sv1 = newSVsv (fh); |
1348 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
599 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1349 | |
600 | |
1350 | REQ_SEND (req); |
601 | REQ_SEND (req); |
1351 | } |
602 | } |
1352 | |
603 | |
1353 | void |
604 | void |
|
|
605 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
606 | PROTOTYPE: $$$$;$ |
|
|
607 | PPCODE: |
|
|
608 | { |
|
|
609 | dREQ; |
|
|
610 | |
|
|
611 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
612 | req->sv1 = newSVsv (fh); |
|
|
613 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
614 | req->offs = SvVAL64 (offset); |
|
|
615 | req->size = SvVAL64 (nbytes); |
|
|
616 | req->int2 = flags; |
|
|
617 | |
|
|
618 | REQ_SEND (req); |
|
|
619 | } |
|
|
620 | |
|
|
621 | void |
|
|
622 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
623 | PROTOTYPE: $;$ |
|
|
624 | PPCODE: |
|
|
625 | { |
|
|
626 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
627 | dREQ; |
|
|
628 | |
|
|
629 | if (close_pipe < 0) |
|
|
630 | { |
|
|
631 | int pipefd [2]; |
|
|
632 | |
|
|
633 | if (pipe (pipefd) < 0 |
|
|
634 | || close (pipefd [1]) < 0 |
|
|
635 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
636 | abort (); /*D*/ |
|
|
637 | |
|
|
638 | close_pipe = pipefd [0]; |
|
|
639 | } |
|
|
640 | |
|
|
641 | req->type = EIO_DUP2; |
|
|
642 | req->int1 = close_pipe; |
|
|
643 | req->sv2 = newSVsv (fh); |
|
|
644 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
645 | |
|
|
646 | REQ_SEND (req); |
|
|
647 | } |
|
|
648 | |
|
|
649 | void |
1354 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
650 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1355 | SV * fh |
|
|
1356 | UV offset |
|
|
1357 | UV length |
|
|
1358 | SV8 * data |
|
|
1359 | UV dataoffset |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
651 | ALIAS: |
1362 | aio_read = REQ_READ |
652 | aio_read = EIO_READ |
1363 | aio_write = REQ_WRITE |
653 | aio_write = EIO_WRITE |
1364 | PROTOTYPE: $$$$$;$ |
654 | PROTOTYPE: $$$$$;$ |
1365 | PPCODE: |
655 | PPCODE: |
1366 | { |
656 | { |
1367 | STRLEN svlen; |
657 | STRLEN svlen; |
1368 | char *svptr = SvPVbyte (data, svlen); |
658 | char *svptr = SvPVbyte (data, svlen); |
|
|
659 | UV len = SvUV (length); |
1369 | |
660 | |
1370 | SvUPGRADE (data, SVt_PV); |
661 | SvUPGRADE (data, SVt_PV); |
1371 | SvPOK_on (data); |
662 | SvPOK_on (data); |
1372 | |
663 | |
1373 | if (dataoffset < 0) |
664 | if (dataoffset < 0) |
1374 | dataoffset += svlen; |
665 | dataoffset += svlen; |
1375 | |
666 | |
1376 | if (dataoffset < 0 || dataoffset > svlen) |
667 | if (dataoffset < 0 || dataoffset > svlen) |
1377 | croak ("data offset outside of string"); |
668 | croak ("dataoffset outside of data scalar"); |
1378 | |
669 | |
1379 | if (ix == REQ_WRITE) |
670 | if (ix == EIO_WRITE) |
1380 | { |
671 | { |
1381 | /* write: check length and adjust. */ |
672 | /* write: check length and adjust. */ |
1382 | if (length < 0 || length + dataoffset > svlen) |
673 | if (!SvOK (length) || len + dataoffset > svlen) |
1383 | length = svlen - dataoffset; |
674 | len = svlen - dataoffset; |
1384 | } |
675 | } |
1385 | else |
676 | else |
1386 | { |
677 | { |
1387 | /* read: grow scalar as necessary */ |
678 | /* read: grow scalar as necessary */ |
1388 | svptr = SvGROW (data, length + dataoffset); |
679 | svptr = SvGROW (data, len + dataoffset + 1); |
1389 | } |
680 | } |
1390 | |
681 | |
1391 | if (length < 0) |
682 | if (len < 0) |
1392 | croak ("length must not be negative"); |
683 | croak ("length must not be negative"); |
1393 | |
684 | |
1394 | { |
685 | { |
1395 | dREQ; |
686 | dREQ; |
1396 | |
687 | |
1397 | req->type = ix; |
688 | req->type = ix; |
1398 | req->fh = newSVsv (fh); |
689 | req->sv1 = newSVsv (fh); |
1399 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
690 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1400 | : IoOFP (sv_2io (fh))); |
691 | : IoOFP (sv_2io (fh))); |
1401 | req->offs = offset; |
692 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1402 | req->size = length; |
693 | req->size = len; |
1403 | req->sv1 = SvREFCNT_inc (data); |
694 | req->sv2 = SvREFCNT_inc (data); |
1404 | req->ptr1 = (char *)svptr + dataoffset; |
695 | req->ptr2 = (char *)svptr + dataoffset; |
1405 | req->stroffset = dataoffset; |
696 | req->stroffset = dataoffset; |
1406 | |
697 | |
1407 | if (!SvREADONLY (data)) |
698 | if (!SvREADONLY (data)) |
1408 | { |
699 | { |
1409 | SvREADONLY_on (data); |
700 | SvREADONLY_on (data); |
1410 | req->flags |= FLAG_SV1_RO_OFF; |
701 | req->flags |= FLAG_SV2_RO_OFF; |
1411 | } |
702 | } |
1412 | |
703 | |
1413 | REQ_SEND; |
704 | REQ_SEND; |
1414 | } |
705 | } |
1415 | } |
706 | } |
1416 | |
707 | |
1417 | void |
708 | void |
1418 | aio_readlink (path,callback=&PL_sv_undef) |
709 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1419 | SV8 * path |
|
|
1420 | SV * callback |
|
|
1421 | PROTOTYPE: $$;$ |
710 | PROTOTYPE: $$;$ |
1422 | PPCODE: |
711 | PPCODE: |
1423 | { |
712 | { |
1424 | SV *data; |
713 | SV *data; |
1425 | dREQ; |
714 | dREQ; |
1426 | |
715 | |
1427 | data = newSV (NAME_MAX); |
|
|
1428 | SvPOK_on (data); |
|
|
1429 | |
|
|
1430 | req->type = REQ_READLINK; |
716 | req->type = EIO_READLINK; |
1431 | req->fh = newSVsv (path); |
717 | req->sv1 = newSVsv (path); |
1432 | req->ptr2 = SvPVbyte_nolen (req->fh); |
718 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1433 | req->sv1 = data; |
|
|
1434 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1435 | |
719 | |
1436 | REQ_SEND; |
720 | REQ_SEND; |
1437 | } |
721 | } |
1438 | |
722 | |
1439 | void |
723 | void |
1440 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
724 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1441 | SV * out_fh |
|
|
1442 | SV * in_fh |
|
|
1443 | UV in_offset |
|
|
1444 | UV length |
|
|
1445 | SV * callback |
|
|
1446 | PROTOTYPE: $$$$;$ |
725 | PROTOTYPE: $$$$;$ |
1447 | PPCODE: |
726 | PPCODE: |
1448 | { |
727 | { |
1449 | dREQ; |
728 | dREQ; |
1450 | |
729 | |
1451 | req->type = REQ_SENDFILE; |
730 | req->type = EIO_SENDFILE; |
1452 | req->fh = newSVsv (out_fh); |
731 | req->sv1 = newSVsv (out_fh); |
1453 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
732 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1454 | req->sv2 = newSVsv (in_fh); |
733 | req->sv2 = newSVsv (in_fh); |
1455 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
734 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1456 | req->offs = in_offset; |
735 | req->offs = SvVAL64 (in_offset); |
1457 | req->size = length; |
736 | req->size = length; |
1458 | |
737 | |
1459 | REQ_SEND; |
738 | REQ_SEND; |
1460 | } |
739 | } |
1461 | |
740 | |
1462 | void |
741 | void |
1463 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
742 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1464 | SV * fh |
|
|
1465 | UV offset |
|
|
1466 | IV length |
|
|
1467 | SV * callback |
|
|
1468 | PROTOTYPE: $$$;$ |
743 | PROTOTYPE: $$$;$ |
1469 | PPCODE: |
744 | PPCODE: |
1470 | { |
745 | { |
1471 | dREQ; |
746 | dREQ; |
1472 | |
747 | |
1473 | req->type = REQ_READAHEAD; |
748 | req->type = EIO_READAHEAD; |
1474 | req->fh = newSVsv (fh); |
749 | req->sv1 = newSVsv (fh); |
1475 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
750 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1476 | req->offs = offset; |
751 | req->offs = SvVAL64 (offset); |
1477 | req->size = length; |
752 | req->size = length; |
1478 | |
753 | |
1479 | REQ_SEND; |
754 | REQ_SEND; |
1480 | } |
755 | } |
1481 | |
756 | |
1482 | void |
757 | void |
1483 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
758 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1484 | SV8 * fh_or_path |
|
|
1485 | SV * callback |
|
|
1486 | ALIAS: |
759 | ALIAS: |
1487 | aio_stat = REQ_STAT |
760 | aio_stat = EIO_STAT |
1488 | aio_lstat = REQ_LSTAT |
761 | aio_lstat = EIO_LSTAT |
1489 | PPCODE: |
762 | PPCODE: |
1490 | { |
763 | { |
1491 | dREQ; |
764 | dREQ; |
1492 | |
765 | |
1493 | req->ptr2 = malloc (sizeof (Stat_t)); |
766 | req->sv1 = newSVsv (fh_or_path); |
1494 | if (!req->ptr2) |
|
|
1495 | { |
|
|
1496 | req_free (req); |
|
|
1497 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1498 | } |
|
|
1499 | |
767 | |
1500 | req->flags |= FLAG_PTR2_FREE; |
768 | if (SvPOK (req->sv1)) |
1501 | |
|
|
1502 | if (SvPOK (fh_or_path)) |
|
|
1503 | { |
769 | { |
1504 | req->type = ix; |
770 | req->type = ix; |
1505 | req->sv1 = newSVsv (fh_or_path); |
|
|
1506 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
771 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1507 | } |
772 | } |
1508 | else |
773 | else |
1509 | { |
774 | { |
1510 | req->type = REQ_FSTAT; |
775 | req->type = EIO_FSTAT; |
1511 | req->fh = newSVsv (fh_or_path); |
|
|
1512 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
776 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1513 | } |
777 | } |
1514 | |
778 | |
1515 | REQ_SEND; |
779 | REQ_SEND; |
1516 | } |
780 | } |
1517 | |
781 | |
1518 | void |
782 | void |
|
|
783 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
784 | PPCODE: |
|
|
785 | { |
|
|
786 | dREQ; |
|
|
787 | |
|
|
788 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
789 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
790 | req->sv1 = newSVsv (fh_or_path); |
|
|
791 | |
|
|
792 | if (SvPOK (req->sv1)) |
|
|
793 | { |
|
|
794 | req->type = EIO_UTIME; |
|
|
795 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
796 | } |
|
|
797 | else |
|
|
798 | { |
|
|
799 | req->type = EIO_FUTIME; |
|
|
800 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
801 | } |
|
|
802 | |
|
|
803 | REQ_SEND; |
|
|
804 | } |
|
|
805 | |
|
|
806 | void |
|
|
807 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
808 | PPCODE: |
|
|
809 | { |
|
|
810 | dREQ; |
|
|
811 | |
|
|
812 | req->sv1 = newSVsv (fh_or_path); |
|
|
813 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
814 | |
|
|
815 | if (SvPOK (req->sv1)) |
|
|
816 | { |
|
|
817 | req->type = EIO_TRUNCATE; |
|
|
818 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
819 | } |
|
|
820 | else |
|
|
821 | { |
|
|
822 | req->type = EIO_FTRUNCATE; |
|
|
823 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
824 | } |
|
|
825 | |
|
|
826 | REQ_SEND; |
|
|
827 | } |
|
|
828 | |
|
|
829 | void |
|
|
830 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
831 | ALIAS: |
|
|
832 | aio_chmod = EIO_CHMOD |
|
|
833 | aio_mkdir = EIO_MKDIR |
|
|
834 | PPCODE: |
|
|
835 | { |
|
|
836 | dREQ; |
|
|
837 | |
|
|
838 | req->int2 = mode; |
|
|
839 | req->sv1 = newSVsv (fh_or_path); |
|
|
840 | |
|
|
841 | if (SvPOK (req->sv1)) |
|
|
842 | { |
|
|
843 | req->type = ix; |
|
|
844 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
845 | } |
|
|
846 | else |
|
|
847 | { |
|
|
848 | req->type = EIO_FCHMOD; |
|
|
849 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
850 | } |
|
|
851 | |
|
|
852 | REQ_SEND; |
|
|
853 | } |
|
|
854 | |
|
|
855 | void |
|
|
856 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
857 | PPCODE: |
|
|
858 | { |
|
|
859 | dREQ; |
|
|
860 | |
|
|
861 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
862 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
863 | req->sv1 = newSVsv (fh_or_path); |
|
|
864 | |
|
|
865 | if (SvPOK (req->sv1)) |
|
|
866 | { |
|
|
867 | req->type = EIO_CHOWN; |
|
|
868 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
869 | } |
|
|
870 | else |
|
|
871 | { |
|
|
872 | req->type = EIO_FCHOWN; |
|
|
873 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
874 | } |
|
|
875 | |
|
|
876 | REQ_SEND; |
|
|
877 | } |
|
|
878 | |
|
|
879 | void |
1519 | aio_unlink (pathname,callback=&PL_sv_undef) |
880 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1520 | SV8 * pathname |
|
|
1521 | SV * callback |
|
|
1522 | ALIAS: |
881 | ALIAS: |
1523 | aio_unlink = REQ_UNLINK |
882 | aio_unlink = EIO_UNLINK |
1524 | aio_rmdir = REQ_RMDIR |
883 | aio_rmdir = EIO_RMDIR |
1525 | aio_readdir = REQ_READDIR |
884 | aio_readdir = EIO_READDIR |
1526 | PPCODE: |
885 | PPCODE: |
1527 | { |
886 | { |
1528 | dREQ; |
887 | dREQ; |
1529 | |
888 | |
1530 | req->type = ix; |
889 | req->type = ix; |
… | |
… | |
1533 | |
892 | |
1534 | REQ_SEND; |
893 | REQ_SEND; |
1535 | } |
894 | } |
1536 | |
895 | |
1537 | void |
896 | void |
1538 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
897 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1539 | SV8 * oldpath |
|
|
1540 | SV8 * newpath |
|
|
1541 | SV * callback |
|
|
1542 | ALIAS: |
898 | ALIAS: |
1543 | aio_link = REQ_LINK |
899 | aio_link = EIO_LINK |
1544 | aio_symlink = REQ_SYMLINK |
900 | aio_symlink = EIO_SYMLINK |
1545 | aio_rename = REQ_RENAME |
901 | aio_rename = EIO_RENAME |
1546 | PPCODE: |
902 | PPCODE: |
1547 | { |
903 | { |
1548 | dREQ; |
904 | dREQ; |
1549 | |
905 | |
1550 | req->type = ix; |
906 | req->type = ix; |
1551 | req->fh = newSVsv (oldpath); |
907 | req->sv1 = newSVsv (oldpath); |
1552 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1553 | req->sv1 = newSVsv (newpath); |
|
|
1554 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
908 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
909 | req->sv2 = newSVsv (newpath); |
|
|
910 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1555 | |
911 | |
1556 | REQ_SEND; |
912 | REQ_SEND; |
1557 | } |
913 | } |
1558 | |
914 | |
1559 | void |
915 | void |
1560 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
916 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1561 | SV8 * pathname |
|
|
1562 | SV * callback |
|
|
1563 | UV mode |
|
|
1564 | UV dev |
|
|
1565 | PPCODE: |
917 | PPCODE: |
1566 | { |
918 | { |
1567 | dREQ; |
919 | dREQ; |
1568 | |
920 | |
1569 | req->type = REQ_MKNOD; |
921 | req->type = EIO_MKNOD; |
1570 | req->sv1 = newSVsv (pathname); |
922 | req->sv1 = newSVsv (pathname); |
1571 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
923 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1572 | req->mode = (mode_t)mode; |
924 | req->int2 = (mode_t)mode; |
1573 | req->offs = dev; |
925 | req->offs = dev; |
1574 | |
926 | |
1575 | REQ_SEND; |
927 | REQ_SEND; |
1576 | } |
928 | } |
1577 | |
929 | |
1578 | void |
930 | void |
1579 | aio_busy (delay,callback=&PL_sv_undef) |
931 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1580 | double delay |
|
|
1581 | SV * callback |
|
|
1582 | PPCODE: |
932 | PPCODE: |
1583 | { |
933 | { |
1584 | dREQ; |
934 | dREQ; |
1585 | |
935 | |
1586 | req->type = REQ_BUSY; |
936 | req->type = EIO_BUSY; |
1587 | req->int1 = delay < 0. ? 0 : delay; |
937 | req->nv1 = delay < 0. ? 0. : delay; |
1588 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
|
|
1589 | |
938 | |
1590 | REQ_SEND; |
939 | REQ_SEND; |
1591 | } |
940 | } |
1592 | |
941 | |
1593 | void |
942 | void |
1594 | aio_group (callback=&PL_sv_undef) |
943 | aio_group (SV *callback=&PL_sv_undef) |
1595 | SV * callback |
|
|
1596 | PROTOTYPE: ;$ |
944 | PROTOTYPE: ;$ |
1597 | PPCODE: |
945 | PPCODE: |
1598 | { |
946 | { |
1599 | dREQ; |
947 | dREQ; |
1600 | |
948 | |
1601 | req->type = REQ_GROUP; |
949 | req->type = EIO_GROUP; |
1602 | |
950 | |
1603 | req_send (req); |
951 | req_submit (req); |
1604 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
952 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1605 | } |
953 | } |
1606 | |
954 | |
1607 | void |
955 | void |
1608 | aio_nop (callback=&PL_sv_undef) |
956 | aio_nop (SV *callback=&PL_sv_undef) |
1609 | SV * callback |
957 | ALIAS: |
|
|
958 | aio_nop = EIO_NOP |
|
|
959 | aio_sync = EIO_SYNC |
1610 | PPCODE: |
960 | PPCODE: |
1611 | { |
961 | { |
1612 | dREQ; |
962 | dREQ; |
1613 | |
963 | |
1614 | req->type = REQ_NOP; |
964 | req->type = ix; |
1615 | |
965 | |
1616 | REQ_SEND; |
966 | REQ_SEND; |
1617 | } |
967 | } |
1618 | |
968 | |
1619 | int |
969 | int |
1620 | aioreq_pri (int pri = 0) |
970 | aioreq_pri (int pri = 0) |
1621 | PROTOTYPE: ;$ |
971 | PROTOTYPE: ;$ |
1622 | CODE: |
972 | CODE: |
1623 | RETVAL = next_pri - PRI_BIAS; |
973 | RETVAL = next_pri; |
1624 | if (items > 0) |
974 | if (items > 0) |
1625 | { |
975 | { |
1626 | if (pri < PRI_MIN) pri = PRI_MIN; |
976 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1627 | if (pri > PRI_MAX) pri = PRI_MAX; |
977 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1628 | next_pri = pri + PRI_BIAS; |
978 | next_pri = pri; |
1629 | } |
979 | } |
1630 | OUTPUT: |
980 | OUTPUT: |
1631 | RETVAL |
981 | RETVAL |
1632 | |
982 | |
1633 | void |
983 | void |
1634 | aioreq_nice (int nice = 0) |
984 | aioreq_nice (int nice = 0) |
1635 | CODE: |
985 | CODE: |
1636 | nice = next_pri - nice; |
986 | nice = next_pri - nice; |
1637 | if (nice < PRI_MIN) nice = PRI_MIN; |
987 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1638 | if (nice > PRI_MAX) nice = PRI_MAX; |
988 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1639 | next_pri = nice + PRI_BIAS; |
989 | next_pri = nice; |
1640 | |
990 | |
1641 | void |
991 | void |
1642 | flush () |
992 | flush () |
1643 | PROTOTYPE: |
993 | PROTOTYPE: |
1644 | CODE: |
994 | CODE: |
1645 | while (nreqs) |
995 | while (eio_nreqs ()) |
1646 | { |
996 | { |
1647 | poll_wait (); |
997 | poll_wait (); |
1648 | poll_cb (); |
998 | poll_cb (); |
1649 | } |
999 | } |
1650 | |
1000 | |
… | |
… | |
1681 | |
1031 | |
1682 | int |
1032 | int |
1683 | nreqs() |
1033 | nreqs() |
1684 | PROTOTYPE: |
1034 | PROTOTYPE: |
1685 | CODE: |
1035 | CODE: |
1686 | RETVAL = nreqs; |
1036 | RETVAL = eio_nreqs (); |
1687 | OUTPUT: |
1037 | OUTPUT: |
1688 | RETVAL |
1038 | RETVAL |
1689 | |
1039 | |
1690 | int |
1040 | int |
1691 | nready() |
1041 | nready() |
1692 | PROTOTYPE: |
1042 | PROTOTYPE: |
1693 | CODE: |
1043 | CODE: |
1694 | RETVAL = get_nready (); |
1044 | RETVAL = eio_nready (); |
1695 | OUTPUT: |
1045 | OUTPUT: |
1696 | RETVAL |
1046 | RETVAL |
1697 | |
1047 | |
1698 | int |
1048 | int |
1699 | npending() |
1049 | npending() |
1700 | PROTOTYPE: |
1050 | PROTOTYPE: |
1701 | CODE: |
1051 | CODE: |
1702 | RETVAL = get_npending (); |
1052 | RETVAL = eio_npending (); |
1703 | OUTPUT: |
1053 | OUTPUT: |
1704 | RETVAL |
1054 | RETVAL |
1705 | |
1055 | |
1706 | int |
1056 | int |
1707 | nthreads() |
1057 | nthreads() |
1708 | PROTOTYPE: |
1058 | PROTOTYPE: |
1709 | CODE: |
1059 | CODE: |
1710 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1060 | RETVAL = eio_nthreads (); |
1711 | RETVAL = started; |
|
|
1712 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1713 | OUTPUT: |
1061 | OUTPUT: |
1714 | RETVAL |
1062 | RETVAL |
1715 | |
1063 | |
|
|
1064 | void _on_next_submit (SV *cb) |
|
|
1065 | CODE: |
|
|
1066 | SvREFCNT_dec (on_next_submit); |
|
|
1067 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1068 | |
1716 | PROTOTYPES: DISABLE |
1069 | PROTOTYPES: DISABLE |
1717 | |
1070 | |
1718 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1071 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1719 | |
1072 | |
1720 | void |
1073 | void |
1721 | cancel (aio_req_ornot req) |
1074 | cancel (aio_req_ornot req) |
1722 | CODE: |
1075 | CODE: |
1723 | req_cancel (req); |
1076 | eio_cancel (req); |
1724 | |
1077 | |
1725 | void |
1078 | void |
1726 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1079 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1727 | CODE: |
1080 | PPCODE: |
|
|
1081 | { |
|
|
1082 | if (GIMME_V != G_VOID) |
|
|
1083 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1084 | |
|
|
1085 | if (items > 1) |
|
|
1086 | { |
|
|
1087 | SV *cb_cv = get_cb (callback); |
|
|
1088 | |
1728 | SvREFCNT_dec (req->callback); |
1089 | SvREFCNT_dec (req->callback); |
1729 | req->callback = newSVsv (callback); |
1090 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1091 | } |
|
|
1092 | } |
1730 | |
1093 | |
1731 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1094 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1732 | |
1095 | |
1733 | void |
1096 | void |
1734 | add (aio_req grp, ...) |
1097 | add (aio_req grp, ...) |
1735 | PPCODE: |
1098 | PPCODE: |
1736 | { |
1099 | { |
1737 | int i; |
1100 | int i; |
1738 | aio_req req; |
|
|
1739 | |
1101 | |
1740 | if (grp->int1 == 2) |
1102 | if (grp->int1 == 2) |
1741 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1103 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1742 | |
1104 | |
1743 | for (i = 1; i < items; ++i ) |
1105 | for (i = 1; i < items; ++i ) |
1744 | { |
1106 | { |
|
|
1107 | aio_req req; |
|
|
1108 | |
1745 | if (GIMME_V != G_VOID) |
1109 | if (GIMME_V != G_VOID) |
1746 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1110 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1747 | |
1111 | |
1748 | req = SvAIO_REQ (ST (i)); |
1112 | req = SvAIO_REQ (ST (i)); |
1749 | |
1113 | |
1750 | if (req) |
1114 | if (req) |
1751 | { |
1115 | eio_grp_add (grp, req); |
1752 | ++grp->size; |
|
|
1753 | req->grp = grp; |
|
|
1754 | |
|
|
1755 | req->grp_prev = 0; |
|
|
1756 | req->grp_next = grp->grp_first; |
|
|
1757 | |
|
|
1758 | if (grp->grp_first) |
|
|
1759 | grp->grp_first->grp_prev = req; |
|
|
1760 | |
|
|
1761 | grp->grp_first = req; |
|
|
1762 | } |
|
|
1763 | } |
1116 | } |
1764 | } |
1117 | } |
1765 | |
1118 | |
1766 | void |
1119 | void |
1767 | cancel_subs (aio_req_ornot req) |
1120 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1792 | grp->errorno = errorno; |
1145 | grp->errorno = errorno; |
1793 | |
1146 | |
1794 | void |
1147 | void |
1795 | limit (aio_req grp, int limit) |
1148 | limit (aio_req grp, int limit) |
1796 | CODE: |
1149 | CODE: |
1797 | grp->int2 = limit; |
1150 | eio_grp_limit (grp, limit); |
1798 | aio_grp_feed (grp); |
|
|
1799 | |
1151 | |
1800 | void |
1152 | void |
1801 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1153 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1802 | CODE: |
1154 | CODE: |
1803 | { |
1155 | { |
1804 | SvREFCNT_dec (grp->sv2); |
1156 | SvREFCNT_dec (grp->sv2); |
1805 | grp->sv2 = newSVsv (callback); |
1157 | grp->sv2 = newSVsv (callback); |
|
|
1158 | grp->feed = aio_grp_feed; |
1806 | |
1159 | |
1807 | if (grp->int2 <= 0) |
1160 | if (grp->int2 <= 0) |
1808 | grp->int2 = 2; |
1161 | grp->int2 = 2; |
1809 | |
1162 | |
1810 | aio_grp_feed (grp); |
1163 | eio_grp_limit (grp, grp->int2); |
1811 | } |
1164 | } |
1812 | |
1165 | |