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authorUlrich Drepper <drepper@redhat.com>2007-05-11 06:39:07 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-11 06:39:07 +0000
commit341c566f05fa6b19b88508f7ddd835bfd101731b (patch)
tree82fc68ed7d11fb8ea2b5c7f7d8f38c2c554734c7 /sysdeps
parenta53fa282ac5200d5ca345a34f2a257dfe5ed2d4b (diff)
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* sysdeps/unix/sysv/linux/tst-getcpu.c: New file.
* sysdeps/unix/sysv/linux/Makefile [subdir=posix] (tests): Add tst-getcpu. * include/link.h: Move l_version and l_nversion members around to fill gaps.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/tst-getcpu.c53
2 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 78553b9795..a063b33389 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -113,6 +113,8 @@ ifeq ($(subdir),posix)
sysdep_headers += bits/initspin.h
sysdep_routines += exit-thread sched_getcpu
+
+tests += tst-getcpu
endif
ifeq ($(subdir),inet)
diff --git a/sysdeps/unix/sysv/linux/tst-getcpu.c b/sysdeps/unix/sysv/linux/tst-getcpu.c
new file mode 100644
index 0000000000..78c4a6919e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-getcpu.c
@@ -0,0 +1,53 @@
+#include <errno.h>
+#include <stdio.h>
+#include <sched.h>
+
+
+static int
+do_test (void)
+{
+ cpu_set_t cs;
+ if (sched_getaffinity (getpid (), sizeof (cs), &cs) != 0)
+ {
+ printf ("getaffinity failed: %m\n");
+ return 1;
+ }
+
+ int result = 0;
+ int cpu = 0;
+ while (CPU_COUNT (&cs) != 0)
+ {
+ if (CPU_ISSET (cpu, &cs))
+ {
+ cpu_set_t cs2;
+ CPU_ZERO (&cs2);
+ CPU_SET (cpu, &cs2);
+ if (sched_setaffinity (getpid (), sizeof (cs2), &cs2) != 0)
+ {
+ printf ("setaffinity(%d) failed: %m\n", cpu);
+ result = 1;
+ }
+ else
+ {
+ int cpu2 = sched_getcpu ();
+ if (cpu2 == -1 && errno == ENOSYS)
+ {
+ puts ("getcpu syscall not implemented");
+ return 0;
+ }
+ if (cpu2 != cpu)
+ {
+ printf ("getcpu results %d not possible\n", cpu2);
+ result = 1;
+ }
+ }
+ CPU_CLR (cpu, &cs);
+ }
+ ++cpu;
+ }
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include <test-skeleton.c>