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Create an eventfd object with EFD_CLOEXEC flag, to avoid leaking file descriptor to child processes #204

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May 6, 2022
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Create an eventfd object with EFD_CLOEXEC flag, to avoid leaking file descriptor to child processes #204

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2 changes: 1 addition & 1 deletion lib/system/linux/irq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -219,7 +219,7 @@ int metal_linux_irq_init(void)

memset(&irqs, 0, sizeof(irqs));

irq_notify_fd = eventfd(0, 0);
irq_notify_fd = eventfd(0, EFD_CLOEXEC);
if (irq_notify_fd < 0) {
metal_log(METAL_LOG_ERROR,
"Failed to create eventfd for IRQ handling.\n");
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