diff options
Diffstat (limited to 'nuttx/include/pthread.h')
| -rw-r--r-- | nuttx/include/pthread.h | 84 |
1 files changed, 71 insertions, 13 deletions
diff --git a/nuttx/include/pthread.h b/nuttx/include/pthread.h index 16973a5a5..3ae818b9a 100644 --- a/nuttx/include/pthread.h +++ b/nuttx/include/pthread.h @@ -44,6 +44,7 @@ #include <nuttx/compiler.h> /* Compiler settings */ #include <sys/types.h> /* Needed for general types */ #include <semaphore.h> /* Needed for sem_t */ +#include <signal.h> /* Needed for sigset_t */ #include <time.h> /* Needed for struct timespec */ #include <nuttx/compiler.h> /* For noreturn_function */ @@ -64,29 +65,43 @@ * Definitions ********************************************************************************/ -#define PTHREAD_PROCESS_PRIVATE 0 -#define PTHREAD_PROCESS_SHARED 1 +/* Values for the process shared (pshared) attribute */ -#define PTHREAD_STACK_MIN CONFIG_PTHREAD_STACK_MIN -#define PTHREAD_STACK_DEFAULT CONFIG_PTHREAD_STACK_DEFAULT +#define PTHREAD_PROCESS_PRIVATE 0 +#define PTHREAD_PROCESS_SHARED 1 -#define PTHREAD_INHERIT_SCHED 0 -#define PTHREAD_EXPLICIT_SCHED 1 +/* Valid ranges for the pthread stacksize attribute */ -#define PTHREAD_PRIO_NONE 0 -#define PTHREAD_PRIO_INHERIT 1 -#define PTHREAD_PRIO_PROTECT 2 +#define PTHREAD_STACK_MIN CONFIG_PTHREAD_STACK_MIN +#define PTHREAD_STACK_DEFAULT CONFIG_PTHREAD_STACK_DEFAULT -#define PTHREAD_DEFAULT_PRIORITY 100 +/* Values for the pthread inheritsched attribute */ + +#define PTHREAD_INHERIT_SCHED 0 +#define PTHREAD_EXPLICIT_SCHED 1 + +#define PTHREAD_PRIO_NONE 0 +#define PTHREAD_PRIO_INHERIT 1 +#define PTHREAD_PRIO_PROTECT 2 + +#define PTHREAD_DEFAULT_PRIORITY 100 /* Cancellation states returned by pthread_cancelstate() */ -#define PTHREAD_CANCEL_ENABLE (0) -#define PTHREAD_CANCEL_DISABLE (1) +#define PTHREAD_CANCEL_ENABLE (0) +#define PTHREAD_CANCEL_DISABLE (1) /* Thread return value when a pthread is canceled */ -# define PTHREAD_CANCELED ((FAR void*)ERROR) +#define PTHREAD_CANCELED ((FAR void*)ERROR) + +/* Used to initialize a pthread_once_t */ + +#define PTHREAD_ONCE_INIT (FALSE) + +/* This is returned by pthread_wait. It must not match any errno in errno.h */ + +#define PTHREAD_BARRIER_SERIAL_THREAD 0x1000 /******************************************************************************** * Global Type Declarations @@ -144,6 +159,21 @@ struct pthread_mutex_s typedef struct pthread_mutex_s pthread_mutex_t; #define PTHREAD_MUTEX_INITIALIZER {0, {1, 0xffff}} +struct pthread_barrierattr_s +{ + int pshared; +}; +typedef struct pthread_barrierattr_s pthread_barrierattr_t; + +struct pthread_barrier_s +{ + sem_t sem; + unsigned int count; +}; +typedef struct pthread_barrier_s pthread_barrier_t; + +typedef boolean pthread_once_t; + /* Forware references */ struct sched_param; /* Defined in sched.h */ @@ -155,6 +185,7 @@ struct sched_param; /* Defined in sched.h */ /******************************************************************************** * Global Function Prototypes ********************************************************************************/ + /* Initializes a thread attributes object (attr) with default values for all of * the individual attributes used by a given implementation. */ @@ -280,6 +311,33 @@ EXTERN int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); EXTERN int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime); +/* Barrier attributes */ + +EXTERN int pthread_barrierattr_destroy(FAR pthread_barrierattr_t *attr); +EXTERN int pthread_barrierattr_init(FAR pthread_barrierattr_t *attr); +EXTERN int pthread_barrierattr_getpshared(FAR const pthread_barrierattr_t *attr, + FAR int *pshared); +EXTERN int pthread_barrierattr_setpshared(FAR pthread_barrierattr_t *attr, + int pshared); + +/* Barriers */ + +EXTERN int pthread_barrier_destroy(FAR pthread_barrier_t *barrier); +EXTERN int pthread_barrier_init(FAR pthread_barrier_t *barrier, + FAR const pthread_barrierattr_t *attr, + unsigned int count); +EXTERN int pthread_barrier_wait(FAR pthread_barrier_t *barrier); + +/* Pthread initialization */ + +EXTERN int pthread_once(FAR pthread_once_t *once_control, + CODE void (*init_routine)(void)); + +/* Pthread signal management APIs */ + +EXTERN int pthread_kill(pthread_t thread, int sig); +EXTERN int pthread_sigmask(int how, FAR const sigset_t *set, FAR sigset_t *oset); + #undef EXTERN #ifdef __cplusplus } |