1 | /*************************************************************************** |
2 | * _ _ ____ _ |
3 | * Project ___| | | | _ \| | |
4 | * / __| | | | |_) | | |
5 | * | (__| |_| | _ <| |___ |
6 | * \___|\___/|_| \_\_____| |
7 | * |
8 | * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. |
9 | * |
10 | * This software is licensed as described in the file COPYING, which |
11 | * you should have received as part of this distribution. The terms |
12 | * are also available at https://curl.haxx.se/docs/copyright.html. |
13 | * |
14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
15 | * copies of the Software, and permit persons to whom the Software is |
16 | * furnished to do so, under the terms of the COPYING file. |
17 | * |
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
19 | * KIND, either express or implied. |
20 | * |
21 | ***************************************************************************/ |
22 | |
23 | #include "curl_setup.h" |
24 | |
25 | #ifdef HAVE_SYS_IOCTL_H |
26 | #include <sys/ioctl.h> |
27 | #endif |
28 | #ifdef HAVE_FCNTL_H |
29 | #include <fcntl.h> |
30 | #endif |
31 | |
32 | #if (defined(HAVE_IOCTL_FIONBIO) && defined(NETWARE)) |
33 | #include <sys/filio.h> |
34 | #endif |
35 | #ifdef __VMS |
36 | #include <in.h> |
37 | #include <inet.h> |
38 | #endif |
39 | |
40 | #include "nonblock.h" |
41 | |
42 | /* |
43 | * curlx_nonblock() set the given socket to either blocking or non-blocking |
44 | * mode based on the 'nonblock' boolean argument. This function is highly |
45 | * portable. |
46 | */ |
47 | int curlx_nonblock(curl_socket_t sockfd, /* operate on this */ |
48 | int nonblock /* TRUE or FALSE */) |
49 | { |
50 | #if defined(USE_BLOCKING_SOCKETS) |
51 | (void)sockfd; |
52 | (void)nonblock; |
53 | return 0; /* returns success */ |
54 | |
55 | #elif defined(HAVE_FCNTL_O_NONBLOCK) |
56 | |
57 | /* most recent unix versions */ |
58 | int flags; |
59 | flags = sfcntl(sockfd, F_GETFL, 0); |
60 | if(nonblock) |
61 | return sfcntl(sockfd, F_SETFL, flags | O_NONBLOCK); |
62 | return sfcntl(sockfd, F_SETFL, flags & (~O_NONBLOCK)); |
63 | |
64 | #elif defined(HAVE_IOCTL_FIONBIO) |
65 | |
66 | /* older unix versions */ |
67 | int flags = nonblock ? 1 : 0; |
68 | return ioctl(sockfd, FIONBIO, &flags); |
69 | |
70 | #elif defined(HAVE_IOCTLSOCKET_FIONBIO) |
71 | |
72 | /* Windows */ |
73 | unsigned long flags = nonblock ? 1UL : 0UL; |
74 | return ioctlsocket(sockfd, FIONBIO, &flags); |
75 | |
76 | #elif defined(HAVE_IOCTLSOCKET_CAMEL_FIONBIO) |
77 | |
78 | /* Amiga */ |
79 | long flags = nonblock ? 1L : 0L; |
80 | return IoctlSocket(sockfd, FIONBIO, (char *)&flags); |
81 | |
82 | #elif defined(HAVE_SETSOCKOPT_SO_NONBLOCK) |
83 | |
84 | /* BeOS */ |
85 | long b = nonblock ? 1L : 0L; |
86 | return setsockopt(sockfd, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b)); |
87 | |
88 | #else |
89 | # error "no non-blocking method was found/used/set" |
90 | #endif |
91 | } |
92 | |