Gilles Chanteperdrix wrote:
> Jan Kiszka wrote:
>> diff --git a/src/skins/posix/thread.c b/src/skins/posix/thread.c
>> index 2ecb64f..46c49bf 100644
>> --- a/src/skins/posix/thread.c
>> +++ b/src/skins/posix/thread.c
>> @@ -37,11 +37,10 @@ static int linuxthreads;
>> int __wrap_pthread_setschedparam(pthread_t thread,
>> int policy, const struct sched_param *param)
>> {
>> - pthread_t myself = pthread_self();
>> unsigned long *mode_buf = NULL;
>> int err, promoted;
>>
>> - if (thread == myself) {
>> + if (xeno_get_current() != XN_NO_HANDLE && thread == pthread_self()) {
>
> Should not this be xeno_get_current() == XN_NO_HANDLE ? The thread has a
> chance to be promoted only if it is not already shadowed.
Oh, hell. Friday-evening-on-the-train hack that hasn't been checked as
it was so obvious...
--------->
Optimize __wrap_pthread_setschedparam without HAVE___THREAD for the case
that an already mapped shadow is modifying its own scheduling
parameters.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
src/skins/posix/thread.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/src/skins/posix/thread.c b/src/skins/posix/thread.c
index 2ecb64f..5e04082 100644
--- a/src/skins/posix/thread.c
+++ b/src/skins/posix/thread.c
@@ -37,11 +37,10 @@ static int linuxthreads;
int __wrap_pthread_setschedparam(pthread_t thread,
int policy, const struct sched_param *param)
{
- pthread_t myself = pthread_self();
unsigned long *mode_buf = NULL;
int err, promoted;
- if (thread == myself) {
+ if (xeno_get_current() == XN_NO_HANDLE && thread == pthread_self()) {
#ifdef HAVE___THREAD
mode_buf = xeno_init_current_mode();
#else /* !HAVE___THREAD */
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