omp.h File Reference

OpenMP runtime API for -fopenmp. See docs/openmp.md. More...

#include <stdio.h>
#include <time.h>
#include <unistd.h>

Include dependency graph for omp.h:

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Data Structures
struct	omp_lock_t
	Simple lock. More...
struct	omp_nest_lock_t
	Nestable lock. More...

Macros
#define	omp_sched_monotonic   ((omp_sched_t)0x80000000u)
	Modifier bit that may be or'ed into a schedule kind; it is ignored.
#define	omp_lock_hint_none   omp_sync_hint_none
#define	omp_lock_hint_uncontended   omp_sync_hint_uncontended
#define	omp_lock_hint_contended   omp_sync_hint_contended
#define	omp_lock_hint_nonspeculative   omp_sync_hint_nonspeculative
#define	omp_lock_hint_speculative   omp_sync_hint_speculative

Typedefs
typedef enum omp_sched_t	omp_sched_t
	Loop schedule kinds for omp_set_schedule() and omp_get_schedule().
typedef enum omp_sync_hint_t	omp_sync_hint_t
	Hints for #pragma omp atomic hint(...); or them together, but not contended with uncontended or speculative with nonspeculative.
typedef omp_sync_hint_t	omp_lock_hint_t

Enumerations
enum	omp_sched_t { omp_sched_static = 1 , omp_sched_dynamic = 2 , omp_sched_guided = 3 , omp_sched_auto = 4 }
	Loop schedule kinds for omp_set_schedule() and omp_get_schedule(). More...
enum	omp_sync_hint_t {   omp_sync_hint_none = 0 , omp_sync_hint_uncontended = 1 , omp_sync_hint_contended = 2 , omp_sync_hint_nonspeculative = 4 ,   omp_sync_hint_speculative = 8 }
	Hints for #pragma omp atomic hint(...); or them together, but not contended with uncontended or speculative with nonspeculative. More...

Detailed Description

OpenMP runtime API for -fopenmp. See docs/openmp.md.

In the VM parallel regions run on one thread, so the team is always the initial thread and locks cannot contend. -c=native, -m and -c=generated run them on real threads with the same API. Documented here is the VM form.

Macro Definition Documentation

omp_lock_hint_contended

#define omp_lock_hint_contended   omp_sync_hint_contended

omp_lock_hint_none

#define omp_lock_hint_none   omp_sync_hint_none

omp_lock_hint_nonspeculative

#define omp_lock_hint_nonspeculative   omp_sync_hint_nonspeculative

omp_lock_hint_speculative

#define omp_lock_hint_speculative   omp_sync_hint_speculative

omp_lock_hint_uncontended

#define omp_lock_hint_uncontended   omp_sync_hint_uncontended

omp_sched_monotonic

#define omp_sched_monotonic   ((omp_sched_t)0x80000000u)

Modifier bit that may be or'ed into a schedule kind; it is ignored.

Typedef Documentation

omp_lock_hint_t

typedef omp_sync_hint_t omp_lock_hint_t

omp_sched_t

typedef enum omp_sched_t omp_sched_t

Loop schedule kinds for omp_set_schedule() and omp_get_schedule().

omp_sync_hint_t

typedef enum omp_sync_hint_t omp_sync_hint_t

Hints for #pragma omp atomic hint(...); or them together, but not contended with uncontended or speculative with nonspeculative.

Enumeration Type Documentation

omp_sched_t

enum omp_sched_t

Loop schedule kinds for omp_set_schedule() and omp_get_schedule().

Enumerator
omp_sched_static
omp_sched_dynamic
omp_sched_guided
omp_sched_auto

omp_sync_hint_t

enum omp_sync_hint_t

Hints for #pragma omp atomic hint(...); or them together, but not contended with uncontended or speculative with nonspeculative.

Enumerator
omp_sync_hint_none
omp_sync_hint_uncontended
omp_sync_hint_contended
omp_sync_hint_nonspeculative
omp_sync_hint_speculative