htl: move pthread_yield into libc.

Message-ID: <20250815181500.107433-8-gfleury@disroot.org>

htl/Makefile

@@ -45,7 +45,6 @@ libpthread-routines := \
   pt-spin \
   pt-sigstate-init \
   pt-kill \
-  pt-yield \
   pt-getname-np \
   pt-setname-np \
   sem_close \
@@ -211,6 +210,7 @@ routines := \
   pt-timedblock \
   pt-timedblock-intr \
   pt-wakeup \
+  pt-yield \
   # routines
 shared-only-routines = forward
 

htl/Versions

@@ -90,6 +90,7 @@ libc {
     pthread_setschedprio;
     pthread_setspecific;
     pthread_sigmask;
+    pthread_yield;
   }
 
   GLIBC_2.21 {
@@ -195,6 +196,7 @@ libc {
     pthread_getcpuclockid;
     pthread_setconcurrency;
     pthread_setschedprio;
+    pthread_yield;
   }
 
   GLIBC_PRIVATE {
@@ -294,7 +296,6 @@ libpthread {
     pthread_mutex_transfer_np;
 
     pthread_testcancel;
-    pthread_yield;
 
     sem_close; sem_destroy; sem_getvalue; sem_init; sem_open; sem_post;
     sem_timedwait; sem_trywait; sem_unlink; sem_wait;

htl/pt-yield.c

@@ -18,9 +18,16 @@
 
 #include <pthread.h>
 #include <sched.h>
+#include <shlib-compat.h>
+
 
 int
-pthread_yield (void)
+__pthread_yield (void)
 {
   return __sched_yield ();
 }
+versioned_symbol (libc, __pthread_yield, pthread_yield, GLIBC_2_43);
+
+#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_12, GLIBC_2_43)
+compat_symbol (libpthread, __pthread_yield, pthread_yield, GLIBC_2_12);
+#endif

sysdeps/mach/hurd/i386/libc.abilist

@@ -117,6 +117,7 @@ GLIBC_2.12 pthread_setschedparam F
 GLIBC_2.12 pthread_setschedprio F
 GLIBC_2.12 pthread_setspecific F
 GLIBC_2.12 pthread_sigmask F
+GLIBC_2.12 pthread_yield F
 GLIBC_2.13 __fentry__ F
 GLIBC_2.14 syncfs F
 GLIBC_2.15 __fdelt_chk F
@@ -2641,6 +2642,7 @@ GLIBC_2.43 pthread_getconcurrency F
 GLIBC_2.43 pthread_getcpuclockid F
 GLIBC_2.43 pthread_setconcurrency F
 GLIBC_2.43 pthread_setschedprio F
+GLIBC_2.43 pthread_yield F
 GLIBC_2.5 __readlinkat_chk F
 GLIBC_2.5 inet6_opt_append F
 GLIBC_2.5 inet6_opt_find F

sysdeps/mach/hurd/i386/libpthread.abilist

@@ -34,7 +34,6 @@ GLIBC_2.12 pthread_spin_lock F
 GLIBC_2.12 pthread_spin_trylock F
 GLIBC_2.12 pthread_spin_unlock F
 GLIBC_2.12 pthread_testcancel F
-GLIBC_2.12 pthread_yield F
 GLIBC_2.12 sem_close F
 GLIBC_2.12 sem_destroy F
 GLIBC_2.12 sem_getvalue F

sysdeps/mach/hurd/x86_64/libc.abilist

@@ -1609,6 +1609,7 @@ GLIBC_2.38 pthread_setschedparam F
 GLIBC_2.38 pthread_setschedprio F
 GLIBC_2.38 pthread_setspecific F
 GLIBC_2.38 pthread_sigmask F
+GLIBC_2.38 pthread_yield F
 GLIBC_2.38 ptrace F
 GLIBC_2.38 ptsname F
 GLIBC_2.38 ptsname_r F
@@ -2323,6 +2324,7 @@ GLIBC_2.43 pthread_getconcurrency F
 GLIBC_2.43 pthread_getcpuclockid F
 GLIBC_2.43 pthread_setconcurrency F
 GLIBC_2.43 pthread_setschedprio F
+GLIBC_2.43 pthread_yield F
 HURD_CTHREADS_0.3 __cthread_getspecific F
 HURD_CTHREADS_0.3 __cthread_keycreate F
 HURD_CTHREADS_0.3 __cthread_setspecific F

sysdeps/mach/hurd/x86_64/libpthread.abilist

@@ -56,7 +56,6 @@ GLIBC_2.38 pthread_spin_unlock F
 GLIBC_2.38 pthread_testcancel F
 GLIBC_2.38 pthread_timedjoin_np F
 GLIBC_2.38 pthread_tryjoin_np F
-GLIBC_2.38 pthread_yield F
 GLIBC_2.38 sem_clockwait F
 GLIBC_2.38 sem_close F
 GLIBC_2.38 sem_destroy F