[pushed] linux: Reduce stack size for nptl/tst-thread-affinity-pthread

Message ID 20191111125009.8BB7E28171@gnutoolchain-gerrit.osci.io
State New
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  • [pushed] linux: Reduce stack size for nptl/tst-thread-affinity-pthread
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Commit Message

Sourceware to Gerrit sync (Code Review) Nov. 11, 2019, 12:50 p.m.
Sourceware to Gerrit sync has submitted this change.

Change URL: https://gnutoolchain-gerrit.osci.io/r/c/glibc/+/609
......................................................................

linux: Reduce stack size for nptl/tst-thread-affinity-pthread

And related tests.  These tests create a thread for each core, so
they may fail due to address space limitations with the default
stack size.

Change-Id: Ieef44a7731f58d3b7d6638cce4ccd31126647551
---
M sysdeps/unix/sysv/linux/tst-skeleton-thread-affinity.c
1 file changed, 4 insertions(+), 1 deletion(-)

Approvals:
  Christian Brauner: Looks good to me, approved



-- 
Gerrit-Project: glibc
Gerrit-Branch: master
Gerrit-Change-Id: Ieef44a7731f58d3b7d6638cce4ccd31126647551
Gerrit-Change-Number: 609
Gerrit-PatchSet: 2
Gerrit-Owner: Florian Weimer <fweimer@redhat.com>
Gerrit-Reviewer: Christian Brauner <christian.brauner@ubuntu.com>
Gerrit-MessageType: merged

Patch

diff --git a/sysdeps/unix/sysv/linux/tst-skeleton-thread-affinity.c b/sysdeps/unix/sysv/linux/tst-skeleton-thread-affinity.c
index 73f4582..2b4ca5e 100644
--- a/sysdeps/unix/sysv/linux/tst-skeleton-thread-affinity.c
+++ b/sysdeps/unix/sysv/linux/tst-skeleton-thread-affinity.c
@@ -24,6 +24,7 @@ 
 #include <pthread.h>
 #include <stdbool.h>
 #include <stdlib.h>
+#include <support/xthread.h>
 #include <sys/time.h>
 
 struct conf;
@@ -191,6 +192,7 @@ 
       printf ("error: pthread_attr_init failed: %s\n", strerror (ret));
       return false;
     }
+  support_set_small_thread_stack_size (&attr);
 
   /* Spawn a thread pinned to each available CPU.  */
   for (int cpu = 0; cpu <= conf->last_cpu; ++cpu)
@@ -228,7 +230,8 @@ 
     {
       if (!CPU_ISSET_S (cpu, CPU_ALLOC_SIZE (conf->set_size), initial_set))
 	continue;
-      ret = pthread_create (&other_threads[cpu].self, NULL,
+      ret = pthread_create (&other_threads[cpu].self,
+			    support_small_stack_thread_attribute (),
 			    thread_burn_any_cpu, other_threads + cpu);
       if (ret != 0)
 	{