MirOS Manual: pthread_resume_all_np(3), pthread_resume_np(3), pthread_suspend_all_np(3), pthread_suspend_np(3)

PTHREAD_SUSPEND_NP(3)      BSD Programmer's Manual       PTHREAD_SUSPEND_NP(3)

NAME

     pthread_suspend_np, pthread_suspend_all_np, pthread_resume_np,
     pthread_resume_all_np - suspend and resume thread(s)

SYNOPSIS

     #include <pthread.h>
     #include <pthread_np.h>

     int
     pthread_suspend_np(pthread_t thread);

     void
     pthread_suspend_all_np(void);

     int
     pthread_resume_np(pthread_t thread);

     void
     pthread_resume_all_np(void);

DESCRIPTION

     The pthread_suspend_np() function interrupts the given thread and places
     it in a suspended state.

     The pthread_suspend_all_np() function interrupts all threads except the
     current thread and places them in a suspended state.

     The pthread_resume_np() function resumes a thread suspended with
     pthread_suspend_np() or pthread_suspend_all_np().

     The pthread_resume_all_np() function resumes all threads suspended with
     pthread_suspend_np() or pthread_suspend_all_np().

     The pthread_resume_np() and pthread_resume_all_np() functions have no ef-
     fect on threads that have not been suspended.

     Suspending and resuming a thread has an effect similar to that of receiv-
     ing a signal, namely that resumed system calls will return an error value
     of EINTR.

RETURN VALUES

     The pthread_suspend_np() and pthread_resume_np() functions fail if:

     [ESRCH]       No thread could be found corresponding to that specified by
                   the given thread ID.

     The pthread_suspend_np() function fails if:

     [EDEADLK]     Attempt to suspend the current thread.

SEE ALSO

     pthread_cancel(3), pthreads(3)

STANDARDS

     The pthread_suspend_np(), pthread_suspend_all_np(), pthread_resume_np()
     and pthread_resume_all_np() functions are non-portable and may not be
     supported with the above semantics on other POSIX systems.

MirOS BSD #10-current           March 21, 1999                               1

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