2ace572170
* Versions.def: Add libanl definition. * shlig-versions: Add entry for libanl. * resolv/Makefile (distribute): Add gai_misc.h and ga_test.c. (routines): Add gai_sigqueue. (extra-libs): Add libanl. (libanl-routines): New variable. Add rules to build libanl and ga_test. * resolv/Versions [libc] (GLIBC_2.2.3): Add __gai_sigqueue. [libanl]: New library. * resolv/netdb.h: Add definitions for libanl. * resolv/getaddrinfo_a.c: New file. * resolv/gai_cancel.c: New file. * resolv/gai_error.c: New file. * resolv/gai_misc.c: New file. * resolv/gai_misc.h: New file. * resolv/gai_notify.c: New file. * resolv/gai_suspend.c: New file. * resolv/ga_test.c: New file. * sysdeps/generic/gai_sigqueue.c: New file. * sysdeps/unix/sysv/linux/gai_sigqueue.c: New file. * sysdeps/generic/bits/siginfo.h: Allow __need_sigevent_t being defined and provide only that definition. * sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Likewise. * sysdeps/unix/sysv/linux/bits/siginfo.h: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/siginfo.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/siginfo.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/siginfo.h: Likewise. * rt/aio_misc.c: Fix typos in comments. * rt/lio_listio.c: Pretty printing. Little optimization in request list handling. * elf/rtld.c: Remove commented out code.
101 lines
3 KiB
C
101 lines
3 KiB
C
/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _GAI_MISC_H
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#define _GAI_MISC_H 1
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#include <netdb.h>
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#include <signal.h>
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/* Used to synchronize. */
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struct waitlist
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{
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struct waitlist *next;
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pthread_cond_t *cond;
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volatile int *counterp;
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/* The next field is used in asynchronous `lio_listio' operations. */
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struct sigevent *sigevp;
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/* XXX See requestlist, it's used to work around the broken signal
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handling in Linux. */
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pid_t caller_pid;
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};
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/* Used to queue requests.. */
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struct requestlist
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{
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int running;
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struct requestlist *next;
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/* Pointer to the actual data. */
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struct gaicb *gaicbp;
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/* List of waiting processes. */
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struct waitlist *waiting;
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};
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/* To customize the implementation one can use the following struct.
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This implementation follows the one in Irix. */
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struct gaiinit
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{
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int gai_threads; /* Maximal number of threads. */
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int gai_num; /* Number of expected simultanious requests. */
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int gai_locks; /* Not used. */
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int gai_usedba; /* Not used. */
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int gai_debug; /* Not used. */
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int gai_numusers; /* Not used. */
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int gai_idle_time; /* Number of seconds before idle thread
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terminates. */
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int gai_reserved;
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};
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/* Lock for global I/O list of requests. */
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extern pthread_mutex_t __gai_requests_mutex;
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/* Enqueue request. */
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extern struct requestlist *__gai_enqueue_request (struct gaicb *gaicbp)
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internal_function;
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/* Find request on wait list. */
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extern struct requestlist *__gai_find_request (const struct gaicb *gaicbp)
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internal_function;
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/* Remove request from waitlist. */
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extern int __gai_remove_request (struct gaicb *gaicbp)
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internal_function;
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/* Notify initiator of request and tell this everybody listening. */
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extern void __gai_notify (struct requestlist *req)
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internal_function;
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/* Notify initiator of request. */
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extern int __gai_notify_only (struct sigevent *sigev, pid_t caller_pid)
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internal_function;
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/* Send the signal. */
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extern int __gai_sigqueue (int sig, const union sigval val, pid_t caller_pid)
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internal_function;
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#endif /* gai_misc.h */
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