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libc {
GLIBC_2.0 {
pthread_attr_destroy; pthread_attr_getdetachstate;
pthread_attr_getinheritsched; pthread_attr_getschedparam;
pthread_attr_getschedpolicy; pthread_attr_getscope; pthread_attr_init;
pthread_attr_setdetachstate; pthread_attr_setinheritsched;
pthread_attr_setschedparam; pthread_attr_setschedpolicy;
pthread_attr_setscope; pthread_cond_broadcast; pthread_cond_destroy;
pthread_cond_init; pthread_cond_signal; pthread_cond_wait;
pthread_cond_timedwait;
pthread_condattr_destroy; pthread_condattr_init; pthread_equal;
pthread_exit; pthread_getschedparam; pthread_mutex_destroy;
pthread_mutex_init; pthread_mutex_lock; pthread_mutex_unlock;
pthread_self; pthread_setcancelstate; pthread_setcanceltype;
pthread_setschedparam;
}
GLIBC_2.1 {
pthread_attr_init;
}
GLIBC_2.3.2 {
# Changed pthread_cond_t.
pthread_cond_init; pthread_cond_destroy;
pthread_cond_wait; pthread_cond_signal;
pthread_cond_broadcast; pthread_cond_timedwait;
}
GLIBC_PRIVATE {
# Internal libc interface to libpthread
__libc_dl_error_tsd;
__libc_pthread_init; __libc_current_sigrtmin_private;
__libc_current_sigrtmax_private; __libc_allocate_rtsig_private;
__libc_creat; __libc_poll; __libc_pselect; __libc_select;
__libc_sigpause; __libc_sigsuspend; __libc_sigwait; __libc_sigwaitinfo;
__libc_waitid; __libc___xpg_sigpause; __librt_enable_asynccancel;
__librt_disable_asynccancel; __librt_multiple_threads;
__libc_sigaction; __on_exit;
}
}
libpthread {
GLIBC_2.0 {
# Hidden entry point (through macros).
_pthread_cleanup_pop; _pthread_cleanup_pop_restore; _pthread_cleanup_push;
_pthread_cleanup_push_defer;
# Overwritten libc functions.
accept; close; connect; fcntl; fork; fsync; longjmp; lseek; msync;
nanosleep; open; pause; raise; read; recv; recvfrom; recvmsg; send;
sendmsg; sendto; sigaction; siglongjmp; system; tcdrain; wait;
waitpid; write;
__close; __connect; __fcntl; __lseek; __open; __read; __send; __wait;
__write;
_IO_flockfile; _IO_ftrylockfile; _IO_funlockfile;
vfork; __fork;
# POSIX.1c extensions to libc.
flockfile; funlockfile; ftrylockfile;
# Non-standard POSIX1.x functions.
pthread_kill_other_threads_np; pthread_mutexattr_getkind_np;
pthread_mutexattr_setkind_np;
# Real POSIX.1c functions.
pthread_atfork; pthread_attr_destroy; pthread_attr_getdetachstate;
pthread_attr_getinheritsched; pthread_attr_getschedparam;
pthread_attr_getschedpolicy; pthread_attr_getscope; pthread_attr_init;
pthread_attr_setdetachstate; pthread_attr_setinheritsched;
pthread_attr_setschedparam; pthread_attr_setschedpolicy;
pthread_attr_setscope; pthread_cancel; pthread_cond_broadcast;
pthread_cond_destroy; pthread_cond_init; pthread_cond_signal;
pthread_cond_timedwait; pthread_cond_wait; pthread_condattr_destroy;
pthread_condattr_init; pthread_create; pthread_detach; pthread_equal;
pthread_exit; pthread_getschedparam; pthread_getspecific; pthread_join;
pthread_key_create; pthread_key_delete; pthread_kill;
pthread_mutex_destroy; pthread_mutex_init; pthread_mutex_lock;
pthread_mutex_trylock; pthread_mutex_unlock; pthread_mutexattr_destroy;
pthread_mutexattr_init; pthread_once; pthread_self; pthread_setcancelstate;
pthread_setcanceltype; pthread_setschedparam; pthread_setspecific;
pthread_sigmask; pthread_testcancel;
sem_destroy; sem_getvalue; sem_init; sem_post; sem_trywait; sem_wait;
sigwait;
# Protected names for functions used in other shared objects.
__pthread_atfork; __pthread_getspecific;
__pthread_key_create; __pthread_mutex_destroy; __pthread_mutex_init;
__pthread_mutex_lock; __pthread_mutex_trylock; __pthread_mutex_unlock;
__pthread_mutexattr_destroy; __pthread_mutexattr_init;
__pthread_mutexattr_settype; __pthread_once; __pthread_setspecific;
# The error functions.
__errno_location; __h_errno_location;
# Must be preemptible
__sigaction;
}
GLIBC_2.1 {
# Functions with changed interface.
pthread_attr_init; pthread_create;
# Unix98 extensions.
pthread_rwlock_init; pthread_rwlock_destroy; pthread_rwlock_rdlock;
pthread_rwlock_tryrdlock; pthread_rwlock_wrlock; pthread_rwlock_trywrlock;
pthread_rwlock_unlock; pthread_rwlockattr_init; pthread_rwlockattr_destroy;
pthread_rwlockattr_getpshared; pthread_rwlockattr_setpshared;
pthread_rwlockattr_getkind_np; pthread_rwlockattr_setkind_np;
pthread_attr_getguardsize; pthread_attr_setguardsize;
pthread_attr_getstackaddr; pthread_attr_setstackaddr;
pthread_attr_getstacksize; pthread_attr_setstacksize;
pthread_getconcurrency; pthread_setconcurrency;
pthread_mutexattr_gettype; pthread_mutexattr_settype;
sem_destroy; sem_getvalue; sem_init; sem_post; sem_trywait; sem_wait;
# helper functions
__libc_current_sigrtmin; __libc_current_sigrtmax;
__libc_allocate_rtsig;
}
GLIBC_2.1.1 {
sem_close; sem_open; sem_unlink;
}
GLIBC_2.1.2 {
__vfork;
}
GLIBC_2.2 {
# For the cancelation wrappers.
pread; __pread64; pread64; pwrite; __pwrite64; pwrite64; lseek64;
open64; __open64;
__res_state;
# Names used internally.
__pthread_rwlock_init; __pthread_rwlock_destroy; __pthread_rwlock_rdlock;
__pthread_rwlock_tryrdlock; __pthread_rwlock_wrlock;
__pthread_rwlock_trywrlock; __pthread_rwlock_unlock;
# No really implemented.
pthread_condattr_getpshared; pthread_condattr_setpshared;
pthread_mutexattr_getpshared; pthread_mutexattr_setpshared;
# New functions from IEEE Std. 1003.1-200x.
sem_timedwait;
pthread_attr_getstack; pthread_attr_setstack;
pthread_spin_destroy; pthread_spin_init; pthread_spin_lock;
pthread_spin_trylock; pthread_spin_unlock;
pthread_getcpuclockid;
pthread_barrier_destroy; pthread_barrier_init; pthread_barrier_wait;
pthread_barrierattr_destroy; pthread_barrierattr_init;
pthread_barrierattr_setpshared;
pthread_mutex_timedlock;
pthread_rwlock_timedrdlock; pthread_rwlock_timedwrlock;
# Extensions.
pthread_yield;
}
GLIBC_2.2.3 {
# Extensions.
pthread_getattr_np;
}
GLIBC_2.2.6 {
# Cancellation wrapper
__nanosleep;
}
GLIBC_2.3.2 {
# Changed pthread_cond_t.
pthread_cond_init; pthread_cond_destroy;
pthread_cond_wait; pthread_cond_timedwait;
pthread_cond_signal; pthread_cond_broadcast;
}
# Hey you!! Yes, YOU! Do not add new symbols here!
# The linuxthreads libpthread ABI froze at GLIBC_2.3.2 and lacks
# numerous additions that NPTL's libpthread has. We can't go adding
# any new symbols here unless we support all the new symbols in NPTL,
# and we don't want to do that. Linuxthreads is only alive for
# compatibility with old binaries using old interfaces.
GLIBC_PRIVATE {
# Internal libc interface to libpthread
__pthread_initialize;
__pthread_kill_other_threads_np;
}
}
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