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Add a short description of the kse_switchin(2) syscall to the kse

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manpage and add a kse_switchin link. While here, list kse_thr_interrupt
before kse_wakeup in the MLINKS variable and the synopsis.
This commit is contained in:
Marcel Moolenaar 2003-12-10 02:38:51 +00:00
parent ccb46feb8e
commit 75c3ca909b
2 changed files with 14 additions and 2 deletions
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2
lib/libc/sys/Makefile.inc
View File

@ -118,7 +118,7 @@ MLINKS+=intro.2 errno.2
MLINKS+=jail.2 jail_attach.2
MLINKS+=kqueue.2 kevent.2
MLINKS+=kse.2 kse_create.2 kse.2 kse_exit.2 kse.2 kse_release.2 \
kse.2 kse_wakeup.2 kse.2 kse_thr_interrupt.2
kse.2 kse_switchin.2 kse.2 kse_thr_interrupt.2 kse.2 kse_wakeup.2
MLINKS+=madvise.2 posix_madvise.2
MLINKS+=mlock.2 munlock.2
MLINKS+=mlockall.2 munlockall.2

14
lib/libc/sys/kse.2
View File

@ -53,9 +53,11 @@
.Ft int
.Fn kse_release "struct timespec *timeout"
.Ft int
.Fn kse_wakeup "struct kse_mailbox *mbx"
.Fn kse_switchin "mcontext_t *mcp" "long val" "long *loc"
.Ft int
.Fn kse_thr_interrupt "struct kse_thr_mailbox *tmbx"
.Ft int
.Fn kse_wakeup "struct kse_mailbox *mbx"
.Sh DESCRIPTION
These system calls implement kernel support for multi-threaded processes.
.\"
@ -286,6 +288,16 @@ If successful,
does not return to the caller.
.Pp
The
.Fn kse_switchin
system call can be used by the UTS, when it has selected a new thread,
to switch to the context of that thread.
The use of
.Fn kse_switchin
is machine dependent.
Some platforms do not need a system call to switch to a new context,
while others require its use in particular cases.
.Pp
The
.Fn kse_wakeup
system call
is the opposite of