diff options
Diffstat (limited to 'poky/meta/recipes-support/rng-tools/rng-tools/0002-Allow-for-use-of-either-pthread-affinity-set-methods.patch')
-rw-r--r-- | poky/meta/recipes-support/rng-tools/rng-tools/0002-Allow-for-use-of-either-pthread-affinity-set-methods.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/poky/meta/recipes-support/rng-tools/rng-tools/0002-Allow-for-use-of-either-pthread-affinity-set-methods.patch b/poky/meta/recipes-support/rng-tools/rng-tools/0002-Allow-for-use-of-either-pthread-affinity-set-methods.patch new file mode 100644 index 000000000..f7470d04b --- /dev/null +++ b/poky/meta/recipes-support/rng-tools/rng-tools/0002-Allow-for-use-of-either-pthread-affinity-set-methods.patch @@ -0,0 +1,47 @@ +From e4909f329245db52415102e96fc7c99ca1445d05 Mon Sep 17 00:00:00 2001 +From: Neil Horman <nhorman@gmail.com> +Date: Thu, 15 Jul 2021 08:48:10 -0400 +Subject: [PATCH] Allow for use of either pthread affinity set methods + +musl has support for pthread_setaffinity_np, but not +pthread_attr_setaffinity_np. so check for hte existence of either +function in configure, and use the appropriate one. + +Upstream-Status: Backport +Signed-off-by: Neil Horman <nhorman@tuxdriver.com> +Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com> +--- + rngd_jitter.c | 15 ++++++++++++++- + 1 file changed, 14 insertions(+), 1 deletion(-) + +diff --git a/rngd_jitter.c b/rngd_jitter.c +index ea29436..5c7e09e 100644 +--- a/rngd_jitter.c ++++ b/rngd_jitter.c +@@ -67,12 +67,25 @@ static int rngd_notime_start(void *ctx, + for(i=i-1;i>=0;i--) { + CPU_SET(i,cpus); + } +- pthread_attr_setaffinity_np(&thread_ctx->notime_pthread_attr, cpusize, cpus); + ++ /* ++ * Note that only one of: ++ * HAVE_PTHREAD_ATTR_SETAFFINITY ++ * and ++ * HAVE_PTHREAD_SETAFFINITY ++ * Will ever be set, as per the configure.ac logic ++ */ ++#ifdef HAVE_PTHREAD_ATTR_SETAFFINITY ++ pthread_attr_setaffinity_np(&thread_ctx->notime_pthread_attr, cpusize, cpus); ++#endif + ret = -pthread_create(&thread_ctx->notime_thread_id, + &thread_ctx->notime_pthread_attr, + start_routine, arg); + ++#ifdef HAVE_PTHREAD_SETAFFINITY ++ pthread_setaffinity_np(&thread_ctx->notime_thread_id, cpusize, cpus); ++#endif ++ + CPU_FREE(cpus); + return ret; + } |