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Index for Section 9r |
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thread_halt_self(9r)
NAME
thread_halt_self - General: Handles asynchronous traps for self-terminating
kernel threads
SYNOPSIS
void thread_halt_self(
void );
ARGUMENTS
None
DESCRIPTION
The thread_halt_self routine performs the work associated with a variety of
asynchronous traps (ASTs) for a kernel thread that terminates itself. A
kernel thread terminates itself (or one kernel thread terminates another
kernel thread) by calling the thread_terminate routine.
The thread_halt_self routine examines the AST-related member of the thread
structure pointer associated with the kernel thread that wants to terminate
itself. This thread structure pointer was returned in a previous call to
kernel_isrthread or kernel_thread_w_arg and passed by you to the
thread_terminate routine. This AST-related member is set to a bit that
identifies the specific AST trap associated with this kernel thread. Based
on the AST bit set in this member, thread_halt_self does the appropriate
cleanup work before the kernel thread exits from the kernel.
NOTES
A kernel thread that terminates itself must call thread_halt_self
immediately after the call to thread_terminate. The reason for this is
that thread_terminate only prepares the self-terminating kernel thread to
stop execution. The thread_halt_self routine completes the work needed to
stop execution of the self-terminating kernel thread by performing the
appropriate cleanup work.
RETURN VALUES
None
SEE ALSO
Routines: thread_terminate(9r)
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Index for Section 9r |
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Alphabetical listing for T |
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Top of page |
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