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17 | |
17 | |
18 | #include <windows.h> |
18 | #include <windows.h> |
19 | #include <io.h> |
19 | #include <io.h> |
20 | #include <sys/cygwin.h> |
20 | #include <sys/cygwin.h> |
21 | |
21 | |
22 | #define ioctlsocket(a,b,c) ioctl (a, b, c) |
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23 | #define _open_osfhandle(h,m) cygwin_attach_handle_to_fd ("/dev/tcp", -1, (HANDLE)h, 1, GENERIC_READ | GENERIC_WRITE) |
22 | #define _open_osfhandle(h,m) cygwin_attach_handle_to_fd ("/dev/tcp", -1, (HANDLE)h, 1, GENERIC_READ | GENERIC_WRITE) |
24 | typedef int SOCKET; |
23 | typedef int SOCKET; |
25 | |
24 | |
26 | #else |
25 | #else |
27 | |
26 | |
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55 | int got = 0; |
54 | int got = 0; |
56 | |
55 | |
57 | while (got != len) |
56 | while (got != len) |
58 | { |
57 | { |
59 | int sze = wr |
58 | int sze = wr |
60 | ? send ((SOCKET)fd, buf, len, 0) /* we assume send and recv are macros with arguments */ |
59 | ? send ((SOCKET)fd, buf, len - got, 0) /* we assume send and recv are macros with arguments */ |
61 | : recv ((SOCKET)fd, buf, len, 0); /* to be on the safe side */ |
60 | : recv ((SOCKET)fd, buf, len - got, 0); /* to be on the safe side */ |
62 | |
61 | |
63 | if (sze <= 0) |
62 | if (sze < 0) |
64 | { |
63 | { |
65 | if (errno == EAGAIN || errno == WSAEWOULDBLOCK) |
64 | if (errno == EAGAIN || errno == WSAEWOULDBLOCK) |
66 | { |
65 | { |
67 | ioctlsocket (fd, FIONBIO, &nbio); |
66 | ioctl (fd, FIONBIO, (void *)&nbio); |
68 | nbio = 1; |
67 | nbio = 1; |
69 | } |
68 | } |
70 | else |
69 | else |
71 | break; |
70 | break; |
72 | } |
71 | } |
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72 | else if (sze == 0) |
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73 | break; |
73 | else |
74 | else |
74 | got += sze; |
75 | got += sze; |
75 | } |
76 | } |
76 | |
77 | |
77 | if (nbio) |
78 | if (nbio) |
78 | ioctlsocket (fd, FIONBIO, &nbio); |
79 | ioctl (fd, FIONBIO, (void *)&nbio); |
79 | |
80 | |
80 | return got == len; |
81 | return got == len; |
81 | } |
82 | } |
82 | #endif |
83 | #endif |
83 | |
84 | |
84 | static int |
85 | static int |
85 | fd_send (int socket, int fd) |
86 | fd_send (int socket, int fd) |
86 | { |
87 | { |
87 | #if defined(WIN32) |
88 | #if defined(WIN32) |
88 | DWORD pid; |
89 | DWORD pid; |
89 | HANDLE target, h; |
90 | HANDLE hdl; |
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91 | |
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92 | pid = GetCurrentProcessId (); |
90 | |
93 | |
91 | /* seriously, there is no way to query whether a socket is non-blocking?? */ |
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92 | if (!rw (0, socket, (char *)&pid, sizeof (pid))) |
94 | if (!rw (1, socket, (char *)&pid, sizeof (pid))) |
93 | return 0; |
95 | return 0; |
94 | |
96 | |
95 | target = OpenProcess (PROCESS_DUP_HANDLE, FALSE, pid); |
97 | errno = EBADF; |
96 | if (!target) |
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97 | croak ("AnyEvent::ProcessPool::fd_recv: OpenProcess failed"); |
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98 | |
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99 | if (!DuplicateHandle ((HANDLE)-1, (HANDLE)_get_osfhandle (fd), target, &h, 0, FALSE, DUPLICATE_SAME_ACCESS)) |
98 | if (!DuplicateHandle ((HANDLE)-1, (HANDLE)_get_osfhandle (fd), (HANDLE)-1, &hdl, 0, FALSE, DUPLICATE_SAME_ACCESS)) |
100 | croak ("AnyEvent::ProcessPool::fd_recv: DuplicateHandle failed"); |
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101 | |
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102 | CloseHandle (target); |
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103 | |
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104 | if (!rw (1, socket, (char *)&h , sizeof (h ))) |
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105 | return 0; |
99 | return 0; |
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100 | |
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101 | if (!rw (1, socket, (char *)&hdl, sizeof (hdl))) |
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102 | { |
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103 | CloseHandle (hdl); |
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104 | return 0; |
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105 | } |
106 | |
106 | |
107 | return 1; |
107 | return 1; |
108 | |
108 | |
109 | #else |
109 | #else |
110 | void *buf = malloc (CMSG_SPACE (sizeof (int))); |
110 | void *buf = malloc (CMSG_SPACE (sizeof (int))); |
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144 | |
144 | |
145 | static int |
145 | static int |
146 | fd_recv (int socket) |
146 | fd_recv (int socket) |
147 | { |
147 | { |
148 | #if defined(WIN32) |
148 | #if defined(WIN32) |
149 | DWORD pid = GetCurrentProcessId (); |
149 | DWORD pid; |
150 | HANDLE h; |
150 | HANDLE source, rhd, lhd; |
151 | |
151 | |
152 | if (!rw (1, socket, (char *)&pid, sizeof (pid))) |
152 | if (!rw (0, socket, (char *)&pid, sizeof (pid))) |
153 | return -1; |
153 | return -1; |
154 | |
154 | |
155 | if (!rw (0, socket, (char *)&h , sizeof (h ))) |
155 | if (!rw (0, socket, (char *)&rhd, sizeof (rhd))) |
156 | return -1; |
156 | return -1; |
157 | |
157 | |
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158 | source = OpenProcess (PROCESS_DUP_HANDLE, FALSE, pid); |
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159 | errno = EACCES; |
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160 | if (!source) |
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161 | return -1; |
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162 | |
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163 | pid = DuplicateHandle (source, rhd, (HANDLE)-1, &lhd, |
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164 | 0, FALSE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); |
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165 | |
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166 | CloseHandle (source); |
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167 | |
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168 | errno = EBADF; |
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169 | if (!pid) |
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170 | return -1; |
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171 | |
158 | return _open_osfhandle ((intptr_t)h, 0); |
172 | return _open_osfhandle ((intptr_t)lhd, 0); |
159 | #else |
173 | #else |
160 | void *buf = malloc (CMSG_SPACE (sizeof (int))); |
174 | void *buf = malloc (CMSG_SPACE (sizeof (int))); |
161 | |
175 | |
162 | if (!buf) |
176 | if (!buf) |
163 | return -1; |
177 | return -1; |
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178 | |
192 | |
179 | if (recvmsg (socket, &msg, 0) <= 0) |
193 | if (recvmsg (socket, &msg, 0) <= 0) |
180 | return -1; |
194 | return -1; |
181 | |
195 | |
182 | int fd = -1; |
196 | int fd = -1; |
183 | |
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184 | errno = EDOM; |
197 | errno = EDOM; |
185 | |
198 | |
186 | if ( |
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187 | data == 0 |
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188 | #if __OpenBSD__ |
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189 | && msg.msg_controllen >= CMSG_LEN (sizeof (int)) /* work around a bug in at least openbsd 4.5 and 4.8 */ |
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190 | #else |
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191 | && msg.msg_controllen >= CMSG_SPACE (sizeof (int)) |
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192 | #endif |
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193 | ) { |
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194 | struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
199 | struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
195 | |
200 | |
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201 | if (data == 0 |
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202 | && cmsg |
196 | if (cmsg->cmsg_level == SOL_SOCKET |
203 | && cmsg->cmsg_level == SOL_SOCKET |
197 | && cmsg->cmsg_type == SCM_RIGHTS |
204 | && cmsg->cmsg_type == SCM_RIGHTS |
198 | && cmsg->cmsg_len >= CMSG_LEN (sizeof (int))) |
205 | && cmsg->cmsg_len >= CMSG_LEN (sizeof (int))) |
199 | fd = *(int *)CMSG_DATA (cmsg); |
206 | fd = *(int *)CMSG_DATA (cmsg); |
200 | } |
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201 | |
207 | |
202 | free (buf); |
208 | free (buf); |
203 | |
209 | |
204 | return fd; |
210 | return fd; |
205 | #endif |
211 | #endif |