fanotify: support reporting thread id instead of process id

In order to identify which thread triggered the event in a multi-threaded program, add the FAN_REPORT_TID flag in fanotify_init to opt-in for reporting the event creator's thread id information.

Amir Goldstein committed 8 years ago

Commit d0a6a871 parent bdd5a465 files · +13 −6Browse files

Showing the changes to include/uapi/linux (1 of 5 files). Show all

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include/uapi/linux/fanotify.h+3−0

@@ -40,6 +40,9 @@ · 39 unmodified lines
40	40	#define FAN_UNLIMITED_MARKS 0x00000020
41	41	#define FAN_ENABLE_AUDIT 0x00000040
42	42
	43	+/* Flags to determine fanotify event format */
	44	+#define FAN_REPORT_TID 0x00000100 /* event->pid is thread id */
	45	+
43	46	/* Deprecated - do not use this in programs and do not add new flags here! */
44	47	#define FAN_ALL_INIT_FLAGS (FAN_CLOEXEC \| FAN_NONBLOCK \| \
45	48	FAN_ALL_CLASS_BITS \| FAN_UNLIMITED_QUEUE \|\