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| author | Christian Franke <christian.franke@t-online.de> | 2024-12-12 17:22:55 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2024-12-16 12:26:28 +0100 |
| commit | 14dda1f59871a12eb8e43141bf79d1dd89341ce2 (patch) | |
| tree | 71eeb7f9221644f72038dbbc58690544c2fba38c | |
| parent | 8e53c587597a33fec5f41a540a9b1b20d53fb439 (diff) | |
| download | newlib-14dda1f59871a12eb8e43141bf79d1dd89341ce2.zip newlib-14dda1f59871a12eb8e43141bf79d1dd89341ce2.tar.gz newlib-14dda1f59871a12eb8e43141bf79d1dd89341ce2.tar.bz2 | |
Cygwin: doc: add SCHED_BATCH, SCHED_IDLE and SCHED_RESET_ON_FORK
Signed-off-by: Christian Franke <christian.franke@t-online.de>
| -rw-r--r-- | winsup/doc/posix.xml | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/winsup/doc/posix.xml b/winsup/doc/posix.xml index 436ab00..2782beb 100644 --- a/winsup/doc/posix.xml +++ b/winsup/doc/posix.xml @@ -1771,25 +1771,32 @@ Over-allocation on sparse files is entirely ignored on Windows.</para> <para><function>sched_setpolicy</function> only emulates API behavior because Windows does not offer alternative scheduling policies. -If <literal>SCHED_OTHER</literal> is selected, the Windows priority is -set according to the nice value. If <literal>SCHED_FIFO</literal> -or <literal>SCHED_RR</literal> is selected, the nice value is preserved -and the Windows priority is set according to the -<literal>sched_priority</literal> value.</para> +If <literal>SCHED_OTHER</literal> or <literal>SCHED_BATCH</literal> is +selected, the Windows priority is set according to the nice value. +If <literal>SCHED_IDLE</literal> is selected, the Windows priority is +set to <literal>IDLE_PRIORITY_CLASS</literal>. +If <literal>SCHED_FIFO</literal> or <literal>SCHED_RR</literal> is +selected, the nice value is preserved and the Windows priority is set +according to the <literal>sched_priority</literal> value. +If the <literal>SCHED_RESET_ON_FORK</literal> flag is set, realtime +policies and negative nice values are dropped on +<function>fork</function>.</para> <para><function>nice</function>, <function>setpriority</function>, <function>sched_setparam</function> and <function>sched_setpolicy</function> -map the nice value (<literal>SCHED_OTHER</literal>) or the -<literal>sched_priority</literal> (<literal>SCHED_FIFO</literal>, -<literal>SCHED_RR</literal>) to Windows priority classes as follows:</para> +map the nice value (<literal>SCHED_OTHER</literal>, +<literal>SCHED_BATCH</literal>) or the <literal>sched_priority</literal> +(<literal>SCHED_FIFO</literal>, <literal>SCHED_RR</literal>) to Windows +priority classes as follows:</para> <screen> - nice value sched_priority Windows priority class - 12...19 1....6 IDLE_PRIORITY_CLASS - 4...11 7...12 BELOW_NORMAL_PRIORITY_CLASS - -4....3 13...18 NORMAL_PRIORITY_CLASS - -12...-5 19...24 ABOVE_NORMAL_PRIORITY_CLASS - -13..-19 25...30 HIGH_PRIORITY_CLASS - -20 31...32 REALTIME_PRIORITY_CLASS + SCHED_OTHER SCHED_BATCH SCHED_FIFO/RR + nice value nice value sched_priority Windows priority class + 12...19 4...19 1....6 IDLE_PRIORITY_CLASS + 4...11 -4....3 7...12 BELOW_NORMAL_PRIORITY_CLASS + -4....3 -12...-5 13...18 NORMAL_PRIORITY_CLASS + -12...-5 -13..-19 19...24 ABOVE_NORMAL_PRIORITY_CLASS + -13..-19 -20 25...30 HIGH_PRIORITY_CLASS + -20 - 31...32 REALTIME_PRIORITY_CLASS </screen> The use of values which are mapped to the <literal>REALTIME_PRIORITY_CLASS</literal> require administrative |