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Fix only one the two fds created by self_pipe having CLOEXEC and NONBLOCK set

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Kovid Goyal 2018-06-07 15:48:50 +05:30
parent 1dd489cf0c
commit 365c992f80
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 8 additions and 6 deletions
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14
kitty/child-monitor.c
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@ -114,12 +114,14 @@ self_pipe(int fds[2]) {
int flags;
flags = pipe(fds);
if (flags != 0) return false;
flags = fcntl(fds[0], F_GETFD);
if (flags == -1) { return false; }
if (fcntl(fds[0], F_SETFD, flags | FD_CLOEXEC) == -1) { return false; }
flags = fcntl(fds[0], F_GETFL);
if (flags == -1) { return false; }
if (fcntl(fds[0], F_SETFL, flags | O_NONBLOCK) == -1) { return false; }
for (int i = 0; i < 2; i++) {
flags = fcntl(fds[i], F_GETFD);
if (flags == -1) { return false; }
if (fcntl(fds[i], F_SETFD, flags | FD_CLOEXEC) == -1) { return false; }
flags = fcntl(fds[i], F_GETFL);
if (flags == -1) { return false; }
if (fcntl(fds[i], F_SETFL, flags | O_NONBLOCK) == -1) { return false; }
}
return true;
}