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FIX: Suprocess loops endlessly when the control socket closes.
recvmsg(3) returns 0 if the connection partner has shut down its socket. The communicate function considered 0 a successful message, though, and keeps calling recvmsg(3) again and again.
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1 changed files with 1 additions and 1 deletions
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@ -130,7 +130,7 @@ static void communicate(int sock) {
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int drm_fd = -1;
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int drm_fd = -1;
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bool running = true;
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bool running = true;
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while (running && recv_msg(sock, &drm_fd, &msg, sizeof(msg)) >= 0) {
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while (running && recv_msg(sock, &drm_fd, &msg, sizeof(msg)) > 0) {
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switch (msg.type) {
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switch (msg.type) {
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case MSG_OPEN:
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case MSG_OPEN:
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errno = 0;
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errno = 0;
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