PostgreSQL Source Code  git master
noblock.c File Reference
#include "c.h"
#include <fcntl.h>
Include dependency graph for noblock.c:

Go to the source code of this file.

Functions

bool pg_set_noblock (pgsocket sock)
 
bool pg_set_block (pgsocket sock)
 

Function Documentation

◆ pg_set_block()

bool pg_set_block ( pgsocket  sock)

Definition at line 49 of file noblock.c.

50 {
51 #if !defined(WIN32)
52  int flags;
53 
54  flags = fcntl(sock, F_GETFL);
55  if (flags < 0)
56  return false;
57  if (fcntl(sock, F_SETFL, (flags & ~O_NONBLOCK)) == -1)
58  return false;
59  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 }

◆ pg_set_noblock()

bool pg_set_noblock ( pgsocket  sock)

Definition at line 25 of file noblock.c.

Referenced by pgstat_init(), pq_init(), PQconnectPoll(), and report_fork_failure_to_client().

26 {
27 #if !defined(WIN32)
28  int flags;
29 
30  flags = fcntl(sock, F_GETFL);
31  if (flags < 0)
32  return false;
33  if (fcntl(sock, F_SETFL, (flags | O_NONBLOCK)) == -1)
34  return false;
35  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 }