LOCK_PREFIX       185 mtcp/NOTES-x86_64/tls-i386.h #  define LOCK_PREFIX  /* nothing */
LOCK_PREFIX       187 mtcp/NOTES-x86_64/tls-i386.h #  define LOCK_PREFIX "lock;"
LOCK_PREFIX        82 mtcp/NOTES-x86_64/tls-x86_64.h #  define LOCK_PREFIX	/* nothing */
LOCK_PREFIX        84 mtcp/NOTES-x86_64/tls-x86_64.h #  define LOCK_PREFIX	"lock;"