21 lines
528 B
C
21 lines
528 B
C
#include "libi3.h"
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#include <err.h>
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#include <fcntl.h>
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/*
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* Puts the given socket file descriptor into non-blocking mode or dies if
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* setting O_NONBLOCK failed. Non-blocking sockets are a good idea for our
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* IPC model because we should by no means block the window manager.
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*
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*/
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void set_nonblock(int sockfd) {
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int flags = fcntl(sockfd, F_GETFL, 0);
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if (flags & O_NONBLOCK) {
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return;
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}
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flags |= O_NONBLOCK;
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if (fcntl(sockfd, F_SETFL, flags) < 0)
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err(-1, "Could not set O_NONBLOCK");
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}
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