include/linux/sync_file.h

Source file repositories/reference/linux-study-clean/include/linux/sync_file.h

File Facts

System
Linux kernel
Corpus path
include/linux/sync_file.h
Extension
.h
Size
1606 bytes
Lines
63
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct sync_file {
	struct file		*file;
	/**
	 * @user_name:
	 *
	 * Name of the sync file provided by userspace, for merged fences.
	 * Otherwise generated through driver callbacks (in which case the
	 * entire array is 0).
	 */
	char			user_name[32];
#ifdef CONFIG_DEBUG_FS
	struct list_head	sync_file_list;
#endif

	wait_queue_head_t	wq;
	unsigned long		flags;

	struct dma_fence	*fence;
	struct dma_fence_cb cb;
};

#define POLL_ENABLED 0

struct sync_file *sync_file_create(struct dma_fence *fence);
struct dma_fence *sync_file_get_fence(int fd);
char *sync_file_get_name(struct sync_file *sync_file, char *buf, int len);

#endif /* _LINUX_SYNC_H */

Annotation

Implementation Notes