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| author | Ulrich Drepper <drepper@redhat.com> | 2000-04-16 01:18:43 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-04-16 01:18:43 +0000 |
| commit | c269fdb42faa5bfe25453b03a2d74ebb68926d99 (patch) | |
| tree | 37d54f45bf275e76565baffc393f568a288d6809 /linuxthreads | |
| parent | 145b84138f8b1fca851196451ab0f21a054ae754 (diff) | |
| download | glibc-c269fdb42faa5bfe25453b03a2d74ebb68926d99.tar glibc-c269fdb42faa5bfe25453b03a2d74ebb68926d99.tar.gz glibc-c269fdb42faa5bfe25453b03a2d74ebb68926d99.tar.bz2 glibc-c269fdb42faa5bfe25453b03a2d74ebb68926d99.zip | |
Update.
* csu/Makefile ($(objpfx)version-info.h): Get OS name from uname and
only fall back on using Linux.
Diffstat (limited to 'linuxthreads')
| -rw-r--r-- | linuxthreads/ChangeLog | 4 | ||||
| -rw-r--r-- | linuxthreads/Versions | 3 | ||||
| -rw-r--r-- | linuxthreads/pthread.c | 7 | ||||
| -rw-r--r-- | linuxthreads/sysdeps/pthread/pthread.h | 8 |
4 files changed, 22 insertions, 0 deletions
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index f9a3bf9240..9a1213b910 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,5 +1,9 @@ 2000-04-15 Ulrich Drepper <drepper@redhat.com> + * pthread.c (pthread_yield): New function. + * sysdeps/pthread/pthread.h (pthread_yield): Add prototype. + * Versions [libpthread] (GLIBC_2.2): Add pthread_yield. + * pthread.c (pthread_initialize): Avoid a bit more code if realtime signals are known to exist. diff --git a/linuxthreads/Versions b/linuxthreads/Versions index 92ec98da5f..5579bea011 100644 --- a/linuxthreads/Versions +++ b/linuxthreads/Versions @@ -135,5 +135,8 @@ libpthread { pthread_spin_destroy; pthread_spin_init; pthread_spin_lock; pthread_spin_trylock; pthread_spin_unlock; pthread_getcpuclockid; + + # Extensions. + pthread_yield; } } diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index eca90635b0..ae747bc5ac 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -634,6 +634,13 @@ int pthread_getschedparam(pthread_t thread, int *policy, return 0; } +int __pthread_yield () +{ + /* For now this is equivalent with the POSIX call. */ + return sched_yield (); +} +weak_alias (__pthread_yield, pthread_yield) + /* Process-wide exit() request */ static void pthread_exit_process(int retcode, void *arg) diff --git a/linuxthreads/sysdeps/pthread/pthread.h b/linuxthreads/sysdeps/pthread/pthread.h index de00130029..e82c4deb99 100644 --- a/linuxthreads/sysdeps/pthread/pthread.h +++ b/linuxthreads/sysdeps/pthread/pthread.h @@ -272,6 +272,14 @@ extern int pthread_getconcurrency (void) __THROW; extern int pthread_setconcurrency (int __level) __THROW; #endif +#ifdef __USE_GNU +/* Yield the processor to another thread or process. + This function is similar to the POSIX `sched_yield' function but + might be differently implemented in the case of a m-on-n thread + implementation. */ +extern int pthread_yield (void) __THROW; +#endif + /* Functions for mutex handling. */ /* Initialize MUTEX using attributes in *MUTEX_ATTR, or use the |