source:
azure_iot_hub/trunk/musl-1.1.18/src/unistd/pipe2.c
Last change on this file was 389, checked in by , 5 years ago | |
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File size: 550 bytes |
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1 | #include <unistd.h> |
2 | #include <errno.h> |
3 | #include <fcntl.h> |
4 | #include "syscall.h" |
5 | |
6 | int pipe2(int fd[2], int flag) |
7 | { |
8 | if (!flag) return pipe(fd); |
9 | int ret = __syscall(SYS_pipe2, fd, flag); |
10 | if (ret != -ENOSYS) return __syscall_ret(ret); |
11 | ret = pipe(fd); |
12 | if (ret) return ret; |
13 | if (flag & O_CLOEXEC) { |
14 | __syscall(SYS_fcntl, fd[0], F_SETFD, FD_CLOEXEC); |
15 | __syscall(SYS_fcntl, fd[1], F_SETFD, FD_CLOEXEC); |
16 | } |
17 | if (flag & O_NONBLOCK) { |
18 | __syscall(SYS_fcntl, fd[0], F_SETFL, O_NONBLOCK); |
19 | __syscall(SYS_fcntl, fd[1], F_SETFL, O_NONBLOCK); |
20 | } |
21 | return 0; |
22 | } |
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