debuggerutil.c

#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>


bool isDebuggerAttached()
{
	char buf[128]         = {};
	bool debugger_present = false;
	int  status_fd        = open("/proc/self/status", O_RDONLY);
	if (-1 == status_fd)
	{
		HC_LOG_ERROR("Failed to open status file");
		return debugger_present;
	}
	
	ssize_t num_read = read(status_fd, buf, sizeof(buf));
	if (num_read > 0)
	{
		buf[num_read]    = 0;
		char* tracer_pid = HC_FIND_SUBSTRING(buf, "TracerPid:");
		if (NULL != tracer_pid)
		{
			debugger_present = (0 != atoi(tracer_pid + 10));
		}
	}
	
	return debugger_present;
}