/Users/deen/code/yugabyte-db/build/debugcov-clang-dynamic-arm64-ninja/postgres_build/src/interfaces/libpq/noblock.c
Line | Count | Source (jump to first uncovered line) |
1 | | /*------------------------------------------------------------------------- |
2 | | * |
3 | | * noblock.c |
4 | | * set a file descriptor as blocking or non-blocking |
5 | | * |
6 | | * Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group |
7 | | * Portions Copyright (c) 1994, Regents of the University of California |
8 | | * |
9 | | * IDENTIFICATION |
10 | | * src/port/noblock.c |
11 | | * |
12 | | *------------------------------------------------------------------------- |
13 | | */ |
14 | | |
15 | | #include "c.h" |
16 | | |
17 | | #include <fcntl.h> |
18 | | |
19 | | |
20 | | /* |
21 | | * Put socket into nonblock mode. |
22 | | * Returns true on success, false on failure. |
23 | | */ |
24 | | bool |
25 | | pg_set_noblock(pgsocket sock) |
26 | 2.87k | { |
27 | 2.87k | #if !defined(WIN32) |
28 | 2.87k | int flags; |
29 | | |
30 | 2.87k | flags = fcntl(sock, F_GETFL); |
31 | 2.87k | if (flags < 0) |
32 | 0 | return false; |
33 | 2.87k | if (fcntl(sock, F_SETFL, (flags | O_NONBLOCK)) == -1) |
34 | 0 | return false; |
35 | 2.87k | return true; |
36 | | #else |
37 | | unsigned long ioctlsocket_ret = 1; |
38 | | |
39 | | /* Returns non-0 on failure, while fcntl() returns -1 on failure */ |
40 | | return (ioctlsocket(sock, FIONBIO, &ioctlsocket_ret) == 0); |
41 | | #endif |
42 | 2.87k | } |
43 | | |
44 | | /* |
45 | | * Put socket into blocking mode. |
46 | | * Returns true on success, false on failure. |
47 | | */ |
48 | | bool |
49 | | pg_set_block(pgsocket sock) |
50 | 0 | { |
51 | 0 | #if !defined(WIN32) |
52 | 0 | int flags; |
53 | |
|
54 | 0 | flags = fcntl(sock, F_GETFL); |
55 | 0 | if (flags < 0) |
56 | 0 | return false; |
57 | 0 | if (fcntl(sock, F_SETFL, (flags & ~O_NONBLOCK)) == -1) |
58 | 0 | return false; |
59 | 0 | return true; |
60 | | #else |
61 | | unsigned long ioctlsocket_ret = 0; |
62 | | |
63 | | /* Returns non-0 on failure, while fcntl() returns -1 on failure */ |
64 | | return (ioctlsocket(sock, FIONBIO, &ioctlsocket_ret) == 0); |
65 | | #endif |
66 | 0 | } |