C++ (Cpp) unregister_trace_sys_enter Examples

Example #1

File: trace_syscalls.c Project: mb3dot/community-b3-kernel

void perf_sysenter_disable(struct ftrace_event_call *call)
{
	int num;

	num = ((struct syscall_metadata *)call->data)->syscall_nr;

	mutex_lock(&syscall_trace_lock);
	sys_perf_refcount_enter--;
	clear_bit(num, enabled_perf_enter_syscalls);
	if (!sys_perf_refcount_enter)
		unregister_trace_sys_enter(perf_syscall_enter, NULL);
	mutex_unlock(&syscall_trace_lock);
}

Example #2

File: trace_syscalls.c Project: mb3dot/community-b3-kernel

void unreg_event_syscall_enter(struct ftrace_event_call *call)
{
	int num;

	num = ((struct syscall_metadata *)call->data)->syscall_nr;
	if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
		return;
	mutex_lock(&syscall_trace_lock);
	sys_refcount_enter--;
	clear_bit(num, enabled_enter_syscalls);
	if (!sys_refcount_enter)
		unregister_trace_sys_enter(ftrace_syscall_enter, NULL);
	mutex_unlock(&syscall_trace_lock);
}

Example #3

File: trace_syscalls.c Project: 325116067/semc-qsd8x50

void unreg_prof_syscall_enter(char *name)
{
	int num;

	num = syscall_name_to_nr(name);
	if (num < 0 || num >= NR_syscalls)
		return;

	mutex_lock(&syscall_trace_lock);
	sys_prof_refcount_enter--;
	clear_bit(num, enabled_prof_enter_syscalls);
	if (!sys_prof_refcount_enter)
		unregister_trace_sys_enter(prof_syscall_enter);
	mutex_unlock(&syscall_trace_lock);
}

Example #4

File: trace_syscalls.c Project: 325116067/semc-qsd8x50

void unreg_event_syscall_enter(void *ptr)
{
	int num;
	char *name;

	name = (char *)ptr;
	num = syscall_name_to_nr(name);
	if (num < 0 || num >= NR_syscalls)
		return;
	mutex_lock(&syscall_trace_lock);
	sys_refcount_enter--;
	clear_bit(num, enabled_enter_syscalls);
	if (!sys_refcount_enter)
		unregister_trace_sys_enter(ftrace_syscall_enter);
	mutex_unlock(&syscall_trace_lock);
}

Example #5

File: trace_syscalls.c Project: ParrotSec/linux-psec

static void unreg_event_syscall_enter(struct ftrace_event_file *file,
				      struct ftrace_event_call *call)
{
	struct trace_array *tr = file->tr;
	int num;

	num = ((struct syscall_metadata *)call->data)->syscall_nr;
	if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls))
		return;
	mutex_lock(&syscall_trace_lock);
	tr->sys_refcount_enter--;
	RCU_INIT_POINTER(tr->enter_syscall_files[num], NULL);
	if (!tr->sys_refcount_enter)
		unregister_trace_sys_enter(ftrace_syscall_enter, tr);
	mutex_unlock(&syscall_trace_lock);
}