16. Timer Manager¶
16.1. Introduction¶
The timer manager is ...
The services provided by the timer manager are:
- timer_create - Create a Per-Process Timer
- timer_delete - Delete a Per-Process Timer
- timer_settime - Set Next Timer Expiration
- timer_gettime - Get Time Remaining on Timer
- timer_getoverrun - Get Timer Overrun Count
16.2. Background¶
16.3. Operations¶
16.4. System Calls¶
This section details the timer manager’s services. A subsection is dedicated to each of this manager’s services and describes the calling sequence, related constants, usage, and status codes.
16.4.1. timer_create - Create a Per-Process Timer¶
CALLING SEQUENCE:
#include <time.h>
#include <signal.h>
int timer_create(
clockid_t clock_id,
struct sigevent *evp,
timer_t *timerid
);
STATUS CODES:
EXXX -
DESCRIPTION:
NOTES:
16.4.2. timer_delete - Delete a Per-Process Timer¶
CALLING SEQUENCE:
#include <time.h>
int timer_delete(
timer_t timerid
);
STATUS CODES:
EXXX -
DESCRIPTION:
NOTES:
16.4.3. timer_settime - Set Next Timer Expiration¶
CALLING SEQUENCE:
#include <time.h>
int timer_settime(
timer_t timerid,
int flags,
const struct itimerspec *value,
struct itimerspec *ovalue
);
STATUS CODES:
EXXX -
DESCRIPTION:
NOTES:
16.4.4. timer_gettime - Get Time Remaining on Timer¶
CALLING SEQUENCE:
#include <time.h>
int timer_gettime(
timer_t timerid,
struct itimerspec *value
);
STATUS CODES:
EXXX -
DESCRIPTION:
NOTES:
16.4.5. timer_getoverrun - Get Timer Overrun Count¶
CALLING SEQUENCE:
#include <time.h>
int timer_getoverrun(
timer_t timerid
);
STATUS CODES:
EXXX -
DESCRIPTION:
NOTES: