tools/build/feature/test-timerfd.c

Source file repositories/reference/linux-study-clean/tools/build/feature/test-timerfd.c

File Facts

System
Linux kernel
Corpus path
tools/build/feature/test-timerfd.c
Extension
.c
Size
335 bytes
Lines
20
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * test for timerfd functions used by perf-kvm-stat-live
 */
#include <sys/timerfd.h>

int main(void)
{
	struct itimerspec new_value;

	int fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);
	if (fd < 0)
		return 1;

	if (timerfd_settime(fd, 0, &new_value, NULL) != 0)
		return 1;

	return 0;
}

Annotation

Implementation Notes