установить приоритет планирования потока (set scheduling priority of a thread)
Имя (Name)
pthread_setschedprio - set scheduling priority of a thread
Синопсис (Synopsis)
#include <pthread.h>
int pthread_setschedprio(pthread_t thread, int prio);
Compile and link with -pthread.
Описание (Description)
The pthread_setschedprio() function sets the scheduling priority
of the thread thread to the value specified in prio. (By
contrast pthread_setschedparam(3) changes both the scheduling
policy and priority of a thread.)
Возвращаемое значение (Return value)
On success, this function returns 0; on error, it returns a
nonzero error number. If pthread_setschedprio() fails, the
scheduling priority of thread is not changed.
Ошибки (Error)
EINVAL prio is not valid for the scheduling policy of the
specified thread.
EPERM The caller does not have appropriate privileges to set the
specified priority.
ESRCH No thread with the ID thread could be found.
POSIX.1 also documents an ENOTSUP ("attempt was made to set the
priority to an unsupported value") error for
pthread_setschedparam(3).
Версии (Versions)
This function is available in glibc since version 2.3.4.
Атрибуты (Attributes)
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│pthread_setschedprio() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
Стандарты (Conforming to)
POSIX.1-2001, POSIX.1-2008.
Примечание (Note)
For a description of the permissions required to, and the effect
of, changing a thread's scheduling priority, and details of the
permitted ranges for priorities in each scheduling policy, see
sched(7).
Смотри также (See also)
getrlimit(2), sched_get_priority_min(2), pthread_attr_init(3),
pthread_attr_setinheritsched(3), pthread_attr_setschedparam(3),
pthread_attr_setschedpolicy(3), pthread_create(3),
pthread_self(3), pthread_setschedparam(3), pthreads(7), sched(7)
