ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

server: Use kernel support for thread affinity when available.

This commit is contained in:
Juan Lang 2009-09-29 09:17:30 -07:00 committed by Alexandre Julliard
parent 24036fe13a
commit 474b2e4bfb
4 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
configure vendored
View File

@ -12127,6 +12127,7 @@ for ac_func in \
pwrite \
readdir \
readlink \
sched_setaffinity \
sched_yield \
select \
setproctitle \

1
configure.ac
View File

@ -1692,6 +1692,7 @@ AC_CHECK_FUNCS(\
pwrite \
readdir \
readlink \
sched_setaffinity \
sched_yield \
select \
setproctitle \

3
include/config.h.in
View File

@ -645,6 +645,9 @@
/* Define to 1 if you have the <sched.h> header file. */
#undef HAVE_SCHED_H
/* Define to 1 if you have the `sched_setaffinity' function. */
#undef HAVE_SCHED_SETAFFINITY
/* Define to 1 if you have the `sched_yield' function. */
#undef HAVE_SCHED_YIELD

22
server/thread.c
View File

@ -35,6 +35,9 @@
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_SCHED_H
#include <sched.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
@ -406,7 +409,26 @@ struct thread *get_thread_from_pid( int pid )
void set_thread_affinity( struct thread *thread, affinity_t affinity )
{
#ifdef HAVE_SCHED_SETAFFINITY
if (thread->unix_pid != -1)
{
cpu_set_t set;
int i;
affinity_t mask;
CPU_ZERO( &set );
for (i = 0, mask = 1; mask; i++, mask <<= 1)
if (affinity & mask) CPU_SET( i, &set );
if (!sched_setaffinity( thread->unix_pid, sizeof(set), &set ))
thread->affinity = affinity;
else
file_set_error();
}
else set_error( STATUS_ACCESS_DENIED );
#else
thread->affinity = affinity;
#endif
}
#define THREAD_PRIORITY_REALTIME_HIGHEST 6