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NPTL: Refactor scheduler setup in pthread_create.

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This commit is contained in:
Roland McGrath
2014-11-20 10:56:20 -08:00
parent e37c91d419
commit f214ff74f4
4 changed files with 91 additions and 15 deletions
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21
nptl/pthread_create.c
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@@ -30,6 +30,7 @@
#include <resolv.h>
#include <kernel-features.h>
#include <exit-thread.h>
#include <default-sched.h>
#include <shlib-compat.h>
@@ -593,26 +594,16 @@ __pthread_create_2_1 (newthread, attr, start_routine, arg)
if (__builtin_expect ((iattr->flags & ATTR_FLAG_NOTINHERITSCHED) != 0, 0)
&& (iattr->flags & (ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET)) != 0)
{
INTERNAL_SYSCALL_DECL (scerr);
/* Use the scheduling parameters the user provided. */
if (iattr->flags & ATTR_FLAG_POLICY_SET)
pd->schedpolicy = iattr->schedpolicy;
else if ((pd->flags & ATTR_FLAG_POLICY_SET) == 0)
{
pd->schedpolicy = INTERNAL_SYSCALL (sched_getscheduler, scerr, 1, 0);
pd->flags |= ATTR_FLAG_POLICY_SET;
}
if (iattr->flags & ATTR_FLAG_SCHED_SET)
/* The values were validated in pthread_attr_setschedparam. */
memcpy (&pd->schedparam, &iattr->schedparam,
sizeof (struct sched_param));
else if ((pd->flags & ATTR_FLAG_SCHED_SET) == 0)
{
INTERNAL_SYSCALL (sched_getparam, scerr, 2, 0, &pd->schedparam);
pd->flags |= ATTR_FLAG_SCHED_SET;
}
pd->schedparam = iattr->schedparam;
if ((pd->flags & (ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET))
!= (ATTR_FLAG_SCHED_SET | ATTR_FLAG_POLICY_SET))
collect_default_sched (pd);
}
/* Pass the descriptor to the caller. */