uClibc/librt/kernel-posix-cpu-timers.h
Austin Foxley a202cf6f11 librt additions that are now possible with nptl
* clock_getcpuclockid, clock_gettime, clock_nanosleep, mq_receive,
   mq_send, mq_timedreceive, mq_timedsend, _SC_MONOTONIC_CLOCK

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
2009-10-17 14:42:01 -07:00

19 lines
677 B
C

/* Parameters for the Linux kernel ABI for CPU clocks. */
#define CPUCLOCK_PID(clock) ((pid_t) ~((clock) >> 3))
#define CPUCLOCK_PERTHREAD(clock) \
(((clock) & (clockid_t) CPUCLOCK_PERTHREAD_MASK) != 0)
#define CPUCLOCK_PID_MASK 7
#define CPUCLOCK_PERTHREAD_MASK 4
#define CPUCLOCK_WHICH(clock) ((clock) & (clockid_t) CPUCLOCK_CLOCK_MASK)
#define CPUCLOCK_CLOCK_MASK 3
#define CPUCLOCK_PROF 0
#define CPUCLOCK_VIRT 1
#define CPUCLOCK_SCHED 2
#define CPUCLOCK_MAX 3
#define MAKE_PROCESS_CPUCLOCK(pid, clock) \
((~(clockid_t) (pid) << 3) | (clockid_t) (clock))
#define MAKE_THREAD_CPUCLOCK(tid, clock) \
MAKE_PROCESS_CPUCLOCK((tid), (clock) | CPUCLOCK_PERTHREAD_MASK)