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2827ab990a
The __libc_freeres framework does not extend to non-libc.so objects. This causes problems in general for valgrind and mtrace detecting unfreed objects in both libdl.so and libpthread.so. This change is a pre-requisite to properly moving the malloc hooks out of malloc since such a move now requires precise accounting of all allocated data before destructors are run. This commit adds a proper hook in libc.so.6 for both libdl.so and for libpthread.so, this ensures that shm-directory.c which uses freeit () to free memory is called properly. We also remove the nptl_freeres hook and fall back to using weak-ref-and-check idiom for a loaded libpthread.so, thus making this process similar for all DSOs. Lastly we follow best practice and use explicit free calls for both libdl.so and libpthread.so instead of the generic hook process which has undefined order. Tested on x86_64 with no regressions. Signed-off-by: DJ Delorie <dj@redhat.com> Signed-off-by: Carlos O'Donell <carlos@redhat.com>
277 lines
7.9 KiB
Plaintext
277 lines
7.9 KiB
Plaintext
libc {
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GLIBC_2.0 {
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pthread_attr_destroy; pthread_attr_init;
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pthread_attr_getdetachstate; pthread_attr_setdetachstate;
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pthread_attr_getinheritsched; pthread_attr_setinheritsched;
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pthread_attr_getschedparam; pthread_attr_setschedparam;
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pthread_attr_getschedpolicy; pthread_attr_setschedpolicy;
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pthread_attr_getscope; pthread_attr_setscope;
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pthread_condattr_destroy; pthread_condattr_init;
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pthread_cond_broadcast; pthread_cond_destroy;
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pthread_cond_init; pthread_cond_signal; pthread_cond_wait;
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pthread_cond_timedwait;
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pthread_equal; pthread_exit;
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pthread_getschedparam; pthread_setschedparam;
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pthread_mutex_destroy; pthread_mutex_init;
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pthread_mutex_lock; pthread_mutex_unlock;
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pthread_self;
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pthread_setcancelstate; pthread_setcanceltype;
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}
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GLIBC_2.1 {
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pthread_attr_init;
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}
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GLIBC_2.3.2 {
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__register_atfork;
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# Changed pthread_cond_t.
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pthread_cond_init; pthread_cond_destroy;
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pthread_cond_wait; pthread_cond_signal;
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pthread_cond_broadcast; pthread_cond_timedwait;
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}
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GLIBC_PRIVATE {
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__libc_alloca_cutoff;
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# Internal libc interface to libpthread
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__libc_dl_error_tsd;
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__libc_vfork;
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__libc_pthread_init;
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__libc_current_sigrtmin_private; __libc_current_sigrtmax_private;
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__libc_allocate_rtsig_private;
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}
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}
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libpthread {
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GLIBC_2.0 {
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pthread_create; pthread_join; pthread_self; pthread_equal;
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pthread_exit; pthread_detach;
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pthread_getschedparam; pthread_setschedparam;
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pthread_attr_init; pthread_attr_destroy;
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pthread_attr_getdetachstate; pthread_attr_setdetachstate;
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pthread_attr_getschedparam; pthread_attr_setschedparam;
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pthread_attr_getschedpolicy; pthread_attr_setschedpolicy;
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pthread_attr_getinheritsched; pthread_attr_setinheritsched;
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pthread_attr_getscope; pthread_attr_setscope;
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pthread_mutex_init; pthread_mutex_destroy;
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pthread_mutex_lock; pthread_mutex_trylock; pthread_mutex_unlock;
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pthread_mutexattr_init; pthread_mutexattr_destroy;
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pthread_cond_init; pthread_cond_destroy;
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pthread_cond_wait; pthread_cond_timedwait;
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pthread_cond_signal; pthread_cond_broadcast;
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pthread_condattr_destroy; pthread_condattr_init;
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pthread_cancel; pthread_testcancel;
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pthread_setcancelstate; pthread_setcanceltype;
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pthread_sigmask; pthread_kill;
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pthread_key_create; pthread_key_delete;
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pthread_getspecific; pthread_setspecific;
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pthread_once;
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pthread_atfork;
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flockfile; funlockfile; ftrylockfile;
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# Non-standard POSIX1.x functions.
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pthread_mutexattr_getkind_np; pthread_mutexattr_setkind_np;
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# Protected names for functions used in other shared objects.
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__pthread_mutex_init; __pthread_mutex_destroy;
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__pthread_mutex_lock; __pthread_mutex_trylock; __pthread_mutex_unlock;
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__pthread_mutexattr_init; __pthread_mutexattr_destroy;
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__pthread_mutexattr_settype;
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__pthread_key_create; __pthread_getspecific; __pthread_setspecific;
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__pthread_once; __pthread_atfork;
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_IO_flockfile; _IO_ftrylockfile; _IO_funlockfile;
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# Semaphores.
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sem_destroy; sem_getvalue; sem_init; sem_post; sem_trywait; sem_wait;
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# Special fork handling.
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fork; __fork; vfork;
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# Cancellation points.
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close; __close; fcntl; __fcntl; read; __read; write; __write; accept;
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connect; __connect; recv; recvfrom; recvmsg; send; __send; sendmsg; sendto;
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fsync; lseek; __lseek; msync; nanosleep; open; __open; pause; tcdrain;
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system; wait; __wait; waitpid;
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# Hidden entry point (through macros).
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_pthread_cleanup_push; _pthread_cleanup_pop;
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_pthread_cleanup_push_defer; _pthread_cleanup_pop_restore;
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pthread_kill_other_threads_np;
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# The error functions.
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__errno_location; __h_errno_location;
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# Functions which previously have been overwritten.
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sigwait; sigaction; __sigaction; _exit; _Exit; longjmp; siglongjmp;
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raise;
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}
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GLIBC_2.1 {
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pthread_create;
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pthread_attr_init;
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pthread_attr_getguardsize; pthread_attr_setguardsize;
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pthread_attr_getstackaddr; pthread_attr_setstackaddr;
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pthread_attr_getstacksize; pthread_attr_setstacksize;
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pthread_mutexattr_gettype; pthread_mutexattr_settype;
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pthread_rwlock_init; pthread_rwlock_destroy;
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pthread_rwlock_rdlock; pthread_rwlock_wrlock; pthread_rwlock_unlock;
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pthread_rwlock_tryrdlock; pthread_rwlock_trywrlock;
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pthread_rwlockattr_init; pthread_rwlockattr_destroy;
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pthread_rwlockattr_getpshared; pthread_rwlockattr_setpshared;
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pthread_rwlockattr_getkind_np; pthread_rwlockattr_setkind_np;
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pthread_getconcurrency; pthread_setconcurrency;
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# Semaphores.
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sem_destroy; sem_getvalue; sem_init; sem_post; sem_trywait; sem_wait;
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__libc_current_sigrtmin; __libc_current_sigrtmax;
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__libc_allocate_rtsig;
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}
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GLIBC_2.1.1 {
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sem_close; sem_open; sem_unlink;
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}
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GLIBC_2.1.2 {
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__vfork;
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}
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GLIBC_2.2 {
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pthread_mutexattr_getpshared; pthread_mutexattr_setpshared;
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pthread_condattr_getpshared; pthread_condattr_setpshared;
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# New functions from IEEE Std. 1003.1-2001.
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pthread_mutex_timedlock;
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pthread_rwlock_timedrdlock; pthread_rwlock_timedwrlock;
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pthread_attr_getstack; pthread_attr_setstack;
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pthread_spin_destroy; pthread_spin_init; pthread_spin_lock;
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pthread_spin_trylock; pthread_spin_unlock;
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pthread_barrier_init; pthread_barrier_destroy; pthread_barrier_wait;
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pthread_barrierattr_destroy; pthread_barrierattr_init;
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pthread_barrierattr_setpshared;
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sem_timedwait;
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pthread_yield;
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pthread_getcpuclockid;
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# Cancellation points.
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lseek64; open64; __open64; pread; pread64; __pread64; pwrite; pwrite64;
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__pwrite64;
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# Names used internally.
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__pthread_rwlock_init; __pthread_rwlock_destroy;
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__pthread_rwlock_rdlock; __pthread_rwlock_tryrdlock;
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__pthread_rwlock_wrlock; __pthread_rwlock_trywrlock;
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__pthread_rwlock_unlock;
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__res_state;
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}
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GLIBC_2.2.3 {
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# Extensions.
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pthread_getattr_np;
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}
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GLIBC_2.2.6 {
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# Cancellation wrapper
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__nanosleep;
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}
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GLIBC_2.3.2 {
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# Changed pthread_cond_t.
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pthread_cond_init; pthread_cond_destroy;
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pthread_cond_wait; pthread_cond_timedwait;
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pthread_cond_signal; pthread_cond_broadcast;
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}
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GLIBC_2.3.3 {
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# 1003.1-2001 function accidentally left out in 2.2.
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pthread_barrierattr_getpshared;
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# Unix CS option.
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pthread_condattr_getclock; pthread_condattr_setclock;
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# Proposed API extensions.
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pthread_tryjoin_np; pthread_timedjoin_np;
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# New cancellation cleanup handling.
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__pthread_register_cancel; __pthread_unregister_cancel;
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__pthread_register_cancel_defer; __pthread_unregister_cancel_restore;
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__pthread_unwind_next;
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__pthread_cleanup_routine;
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# affinity interfaces without size parameter
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pthread_getaffinity_np; pthread_setaffinity_np;
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pthread_attr_getaffinity_np; pthread_attr_setaffinity_np;
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}
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GLIBC_2.3.4 {
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# New affinity interfaces.
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pthread_getaffinity_np; pthread_setaffinity_np;
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pthread_attr_getaffinity_np; pthread_attr_setaffinity_np;
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pthread_setschedprio;
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}
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GLIBC_2.4 {
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pthread_mutexattr_getrobust_np; pthread_mutexattr_setrobust_np;
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pthread_mutex_consistent_np;
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pthread_mutexattr_getprotocol; pthread_mutexattr_setprotocol;
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pthread_mutexattr_getprioceiling; pthread_mutexattr_setprioceiling;
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pthread_mutex_getprioceiling; pthread_mutex_setprioceiling;
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};
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GLIBC_2.11 {
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pthread_sigqueue;
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};
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GLIBC_2.12 {
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pthread_mutex_consistent; pthread_mutexattr_getrobust;
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pthread_mutexattr_setrobust;
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pthread_setname_np; pthread_getname_np;
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};
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GLIBC_2.18 {
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pthread_getattr_default_np;
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pthread_setattr_default_np;
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}
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GLIBC_2.20 {
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}
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GLIBC_2.22 {
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}
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GLIBC_PRIVATE {
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__pthread_initialize_minimal;
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__pthread_clock_gettime; __pthread_clock_settime;
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__pthread_unwind; __pthread_get_minstack;
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__pthread_barrier_init; __pthread_barrier_wait;
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__shm_directory;
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__libpthread_freeres;
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}
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}
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