diff options
Diffstat (limited to 'nuttx/include/pthread.h')
| -rw-r--r-- | nuttx/include/pthread.h | 152 |
1 files changed, 78 insertions, 74 deletions
diff --git a/nuttx/include/pthread.h b/nuttx/include/pthread.h index 5a08f13b6..a98b9aaaa 100644 --- a/nuttx/include/pthread.h +++ b/nuttx/include/pthread.h @@ -41,15 +41,17 @@ ********************************************************************************/ #include <nuttx/config.h> /* Default settings */ -#include <nuttx/compiler.h> /* Compiler settings */ +#include <nuttx/compiler.h> /* Compiler settings, noreturn_function */ #include <sys/types.h> /* Needed for general types */ +#include <sys/prctl.h> /* Needed by pthread_[set|get]name_np */ + #include <stdint.h> /* C99 fixed width integer types */ #include <stdbool.h> /* C99 boolean types */ +#include <unistd.h> /* For getpid */ #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 */ /******************************************************************************** * Compilation Switches @@ -58,10 +60,11 @@ /* Standard POSIX switches */ #ifndef _POSIX_THREADS -#define _POSIX_THREADS +# define _POSIX_THREADS #endif + #ifndef _POSIX_THREAD_ATTR_STACKSIZE -#define _POSIX_THREAD_ATTR_STACKSIZE +# define _POSIX_THREAD_ATTR_STACKSIZE #endif /******************************************************************************** @@ -153,10 +156,8 @@ ********************************************************************************/ #ifdef __cplusplus -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern +extern "C" +{ #endif /* pthread-specific types */ @@ -245,28 +246,29 @@ struct sched_param; /* Defined in sched.h */ * the individual attributes used by a given implementation. */ -EXTERN int pthread_attr_init(FAR pthread_attr_t *attr); +int pthread_attr_init(FAR pthread_attr_t *attr); /* An attributes object can be deleted when it is no longer needed. */ -EXTERN int pthread_attr_destroy(pthread_attr_t *attr); +int pthread_attr_destroy(pthread_attr_t *attr); /* Set or obtain the default scheduling algorithm */ -EXTERN int pthread_attr_setschedpolicy(FAR pthread_attr_t *attr, int policy); -EXTERN int pthread_attr_getschedpolicy(FAR pthread_attr_t *attr, int *policy); -EXTERN int pthread_attr_setschedparam(FAR pthread_attr_t *attr, - FAR const struct sched_param *param); -EXTERN int pthread_attr_getschedparam(FAR pthread_attr_t *attr, - FAR struct sched_param *param); -EXTERN int pthread_attr_setinheritsched(FAR pthread_attr_t *attr, int inheritsched); -EXTERN int pthread_attr_getinheritsched(FAR const pthread_attr_t *attr, - FAR int *inheritsched); +int pthread_attr_setschedpolicy(FAR pthread_attr_t *attr, int policy); +int pthread_attr_getschedpolicy(FAR pthread_attr_t *attr, int *policy); +int pthread_attr_setschedparam(FAR pthread_attr_t *attr, + FAR const struct sched_param *param); +int pthread_attr_getschedparam(FAR pthread_attr_t *attr, + FAR struct sched_param *param); +int pthread_attr_setinheritsched(FAR pthread_attr_t *attr, + int inheritsched); +int pthread_attr_getinheritsched(FAR const pthread_attr_t *attr, + FAR int *inheritsched); /* Set or obtain the default stack size */ -EXTERN int pthread_attr_setstacksize(FAR pthread_attr_t *attr, long stacksize); -EXTERN int pthread_attr_getstacksize(FAR pthread_attr_t *attr, long *stackaddr); +int pthread_attr_setstacksize(FAR pthread_attr_t *attr, long stacksize); +int pthread_attr_getstacksize(FAR pthread_attr_t *attr, long *stackaddr); /* To create a thread object and runnable thread, a routine must be specified * as the new thread's start routine. An argument may be passed to this @@ -275,34 +277,33 @@ EXTERN int pthread_attr_getstacksize(FAR pthread_attr_t *attr, long *stackaddr); * about the kind of thread being created. */ -EXTERN int pthread_create(FAR pthread_t *thread, FAR pthread_attr_t *attr, - pthread_startroutine_t startroutine, - pthread_addr_t arg); +int pthread_create(FAR pthread_t *thread, FAR pthread_attr_t *attr, + pthread_startroutine_t startroutine, pthread_addr_t arg); /* A thread object may be "detached" to specify that the return value and * completion status will not be requested. */ -EXTERN int pthread_detach(pthread_t thread); +int pthread_detach(pthread_t thread); /* A thread may terminate it's own execution or the execution of another * thread. */ -EXTERN void pthread_exit(pthread_addr_t value) noreturn_function; -EXTERN int pthread_cancel(pthread_t thread); -EXTERN int pthread_setcancelstate(int state, FAR int *oldstate); -EXTERN void pthread_testcancel(void); +void pthread_exit(pthread_addr_t value) noreturn_function; +int pthread_cancel(pthread_t thread); +int pthread_setcancelstate(int state, FAR int *oldstate); +void pthread_testcancel(void); /* A thread can await termination of another thread and retrieve the return * value of the thread. */ -EXTERN int pthread_join(pthread_t thread, FAR pthread_addr_t *value); +int pthread_join(pthread_t thread, FAR pthread_addr_t *value); /* A thread may tell the scheduler that its processor can be made available. */ -EXTERN void pthread_yield(void); +void pthread_yield(void); /* A thread may obtain a copy of its own thread handle. */ @@ -314,91 +315,94 @@ EXTERN void pthread_yield(void); /* Thread scheduling parameters */ -EXTERN int pthread_getschedparam(pthread_t thread, FAR int *policy, - FAR struct sched_param *param); -EXTERN int pthread_setschedparam(pthread_t thread, int policy, - FAR const struct sched_param *param); -EXTERN int pthread_setschedprio(pthread_t thread, int prio); +int pthread_getschedparam(pthread_t thread, FAR int *policy, + FAR struct sched_param *param); +int pthread_setschedparam(pthread_t thread, int policy, + FAR const struct sched_param *param); +int pthread_setschedprio(pthread_t thread, int prio); /* Thread-specific Data Interfaces */ -EXTERN int pthread_key_create(FAR pthread_key_t *key, - CODE void (*destructor)(FAR void*)); -EXTERN int pthread_setspecific(pthread_key_t key, FAR void *value); -EXTERN FAR void *pthread_getspecific(pthread_key_t key); -EXTERN int pthread_key_delete(pthread_key_t key); +int pthread_key_create(FAR pthread_key_t *key, + CODE void (*destructor)(FAR void*)); +int pthread_setspecific(pthread_key_t key, FAR void *value); +FAR void *pthread_getspecific(pthread_key_t key); +int pthread_key_delete(pthread_key_t key); /* Create, operate on, and destroy mutex attributes. */ -EXTERN int pthread_mutexattr_init(FAR pthread_mutexattr_t *attr); -EXTERN int pthread_mutexattr_destroy(FAR pthread_mutexattr_t *attr); -EXTERN int pthread_mutexattr_getpshared(FAR pthread_mutexattr_t *attr, FAR int *pshared); -EXTERN int pthread_mutexattr_setpshared(FAR pthread_mutexattr_t *attr, int pshared); +int pthread_mutexattr_init(FAR pthread_mutexattr_t *attr); +int pthread_mutexattr_destroy(FAR pthread_mutexattr_t *attr); +int pthread_mutexattr_getpshared(FAR pthread_mutexattr_t *attr, + FAR int *pshared); +int pthread_mutexattr_setpshared(FAR pthread_mutexattr_t *attr, + int pshared); #ifdef CONFIG_MUTEX_TYPES -EXTERN int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type); -EXTERN int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type); +int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type); +int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type); #endif /* The following routines create, delete, lock and unlock mutexes. */ -EXTERN int pthread_mutex_init(FAR pthread_mutex_t *mutex, FAR pthread_mutexattr_t *attr); -EXTERN int pthread_mutex_destroy(FAR pthread_mutex_t *mutex); -EXTERN int pthread_mutex_lock(FAR pthread_mutex_t *mutex); -EXTERN int pthread_mutex_trylock(FAR pthread_mutex_t *mutex); -EXTERN int pthread_mutex_unlock(FAR pthread_mutex_t *mutex); +int pthread_mutex_init(FAR pthread_mutex_t *mutex, + FAR pthread_mutexattr_t *attr); +int pthread_mutex_destroy(FAR pthread_mutex_t *mutex); +int pthread_mutex_lock(FAR pthread_mutex_t *mutex); +int pthread_mutex_trylock(FAR pthread_mutex_t *mutex); +int pthread_mutex_unlock(FAR pthread_mutex_t *mutex); /* Operations on condition variables */ -EXTERN int pthread_condattr_init(FAR pthread_condattr_t *attr); -EXTERN int pthread_condattr_destroy(FAR pthread_condattr_t *attr); +int pthread_condattr_init(FAR pthread_condattr_t *attr); +int pthread_condattr_destroy(FAR pthread_condattr_t *attr); /* A thread can create and delete condition variables. */ -EXTERN int pthread_cond_init(FAR pthread_cond_t *cond, FAR pthread_condattr_t *attr); -EXTERN int pthread_cond_destroy(FAR pthread_cond_t *cond); +int pthread_cond_init(FAR pthread_cond_t *cond, FAR pthread_condattr_t *attr); +int pthread_cond_destroy(FAR pthread_cond_t *cond); /* A thread can signal to and broadcast on a condition variable. */ -EXTERN int pthread_cond_broadcast(FAR pthread_cond_t *cond); -EXTERN int pthread_cond_signal(FAR pthread_cond_t *cond); +int pthread_cond_broadcast(FAR pthread_cond_t *cond); +int pthread_cond_signal(FAR pthread_cond_t *cond); /* A thread can wait for a condition variable to be signalled or broadcast. */ -EXTERN int pthread_cond_wait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex); +int pthread_cond_wait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex); /* A thread can perform a timed wait on a condition variable. */ -EXTERN int pthread_cond_timedwait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex, - FAR const struct timespec *abstime); +int pthread_cond_timedwait(FAR pthread_cond_t *cond, + FAR pthread_mutex_t *mutex, + FAR 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); +int pthread_barrierattr_destroy(FAR pthread_barrierattr_t *attr); +int pthread_barrierattr_init(FAR pthread_barrierattr_t *attr); +int pthread_barrierattr_getpshared(FAR const pthread_barrierattr_t *attr, + FAR int *pshared); +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, +int pthread_barrier_destroy(FAR pthread_barrier_t *barrier); +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); +int pthread_barrier_wait(FAR pthread_barrier_t *barrier); /* Pthread initialization */ -EXTERN int pthread_once(FAR pthread_once_t *once_control, +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); +int pthread_kill(pthread_t thread, int sig); +int pthread_sigmask(int how, FAR const sigset_t *set, FAR sigset_t *oset); -#undef EXTERN #ifdef __cplusplus } #endif |