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1 #define _GNU_SOURCE | 1 #define _GNU_SOURCE |
2 #include <sys/socket.h> | 2 #include <sys/socket.h> |
3 #include <errno.h> | 3 #include <errno.h> |
4 #include <fcntl.h> | 4 #include <fcntl.h> |
5 #include "syscall.h" | 5 #include "syscall.h" |
6 #include "libc.h" | 6 #include "libc.h" |
7 | 7 |
8 int accept4(int fd, struct sockaddr *restrict addr, socklen_t *restrict len, int
flg) | 8 int accept4(int fd, |
9 { | 9 struct sockaddr* restrict addr, |
10 » if (!flg) return accept(fd, addr, len); | 10 socklen_t* restrict len, |
11 » int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0); | 11 int flg) { |
12 » if (ret>=0 || (errno != ENOSYS && errno != EINVAL)) return ret; | 12 if (!flg) |
13 » ret = accept(fd, addr, len); | 13 return accept(fd, addr, len); |
14 » if (ret<0) return ret; | 14 int ret = socketcall_cp(accept4, fd, addr, len, flg, 0, 0); |
15 » if (flg & SOCK_CLOEXEC) | 15 if (ret >= 0 || (errno != ENOSYS && errno != EINVAL)) |
16 » » __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC); | 16 return ret; |
17 » if (flg & SOCK_NONBLOCK) | 17 ret = accept(fd, addr, len); |
18 » » __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK); | 18 if (ret < 0) |
19 » return ret; | 19 return ret; |
| 20 if (flg & SOCK_CLOEXEC) |
| 21 __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC); |
| 22 if (flg & SOCK_NONBLOCK) |
| 23 __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK); |
| 24 return ret; |
20 } | 25 } |
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