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Remove the concept of thread priorities from empthread.h. Only LWP

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supports priorities.  Update synchronization used to rely on them,
which naturally worked only with LWP (#1504036).  With that fixed, no
uses of priorities remained, but a minor bug did: players could starve
out threads with priorities below PP_PLAYER, i.e. delete_lostitems()
and player_kill_idle().  Closes #1458175:
(empth_create): Remove parameter prio.  Callers changed.  Also gets
rid of misleading comments in pthread.c and ntthread.c.
(PP_MAIN, PP_UPDATE, PP_SHUTDOWN, PP_SCHED, PP_TIMESTAMP, PP_PLAYER)
(PP_ACCEPT, PP_KILLIDLE): Remove.
(empth_init, empth_create) [EMPTH_LWP]: Pass priority 1.
This commit is contained in:
Markus Armbruster 2007-07-24 05:13:31 +00:00
parent 7536a38e95
commit d500a7071c
9 changed files with 13 additions and 38 deletions
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8
src/lib/empthread/pthread.c
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@ -180,14 +180,8 @@ empth_init(void **ctx_ptr, int flags)
}
/*
* prio can be used for setting scheeduling policy but...
* it seems to be optional in POSIX threads and Solaris
* for example just ignores it.
* More then that priority is not needed even in lwp threads.
*/
empth_t *
empth_create(int prio, void (*entry)(void *), int size, int flags,
empth_create(void (*entry)(void *), int size, int flags,
char *name, void *ud)
{
pthread_t t;