taskctl man page on IRIX

taskctl man page on IRIX

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TASKCTL(3P)							   TASKCTL(3P)

NAME
     taskctl - operations on a task

C SYNOPSIS
     #include <sys/types.h>
     #include <task.h>

     int taskctl (tid_t tid, unsigned option);

DESCRIPTION
     taskctl provides both information about tasks and the ability to control
     certain attributes of a task.  option specifies one of the following:

     TSK_ISBLOCKED
	       returns 1 if the specified task is currently blocked. Since
	       other processes could have subsequently unblocked the task, the
	       result should be considered a snapshot only.

     taskctl will fail if one or more of the following are true:

     [EINVAL]	    option does not refer to a valid option.

     [EINVAL]	    tid does not refer to a valid task.

SEE ALSO
     prctl(2), taskcreate(3P), taskdestroy(3P).

DIAGNOSTICS
     Upon successful completion, taskctl returns a option specific value.
     Otherwise, a value of -1 is returned to the calling task, and errno is
     set to indicate the error.

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