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BUILD: threads: fix -Wundef for _POSIX_PRIORITY_SCHEDULING on libmusl

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Building with an old musl-based toolchain reported this warning:

  include/haproxy/thread.h: In function 'ha_thread_relax':
  include/haproxy/thread.h:256:5: warning: "_POSIX_PRIORITY_SCHEDULING" is not defined [-Wundef]
   #if _POSIX_PRIORITY_SCHEDULING
       ^

There were indeed two "#if" insteadd of #ifdef" for this macro, let's
fix them.
This commit is contained in:
Willy Tarreau 2021-09-15 10:12:04 +02:00
parent 80d3daad50
commit 8ab9419394
1 changed files with 2 additions and 2 deletions
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4
include/haproxy/thread.h
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@ -103,7 +103,7 @@ static inline unsigned long long ha_get_pthread_id(unsigned int thr)
static inline void ha_thread_relax(void)
{
#if _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#endif
}
@ -253,7 +253,7 @@ static inline unsigned long long ha_get_pthread_id(unsigned int thr)
static inline void ha_thread_relax(void)
{
#if _POSIX_PRIORITY_SCHEDULING
#ifdef _POSIX_PRIORITY_SCHEDULING
sched_yield();
#else
pl_cpu_relax();