mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-06 15:42:39 +00:00
20 lines
579 B
C
20 lines
579 B
C
|
#define _GNU_SOURCE
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include "syscall.h"
|
||
|
|
|
||
|
|
int accept4(int fd, struct sockaddr *restrict addr, socklen_t *restrict len, int flg)
|
||
|
|
{
|
||
|
|
if (!flg) return accept(fd, addr, len);
|
||
|
|
int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0);
|
||
|
|
if (ret>=0 || (errno != ENOSYS && errno != EINVAL)) return ret;
|
||
|
|
ret = accept(fd, addr, len);
|
||
|
|
if (ret<0) return ret;
|
||
|
|
if (flg & SOCK_CLOEXEC)
|
||
|
|
__syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC);
|
||
|
|
if (flg & SOCK_NONBLOCK)
|
||
|
|
__syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK);
|
||
|
|
return ret;
|
||
|
|
}
|