diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-12-08 03:06:47 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-12-08 03:06:47 +0000 |
commit | d71b808a96f0fd1b6cd82c41698b518bf345692b (patch) | |
tree | 7b86cfd6b465c72888d7e85a61c08cafabf5747b /rt/aio_misc.h | |
parent | 6195235142bd246d972cf1d88b4e208071a3e318 (diff) | |
download | glibc-d71b808a96f0fd1b6cd82c41698b518bf345692b.zip glibc-d71b808a96f0fd1b6cd82c41698b518bf345692b.tar.gz glibc-d71b808a96f0fd1b6cd82c41698b518bf345692b.tar.bz2 |
Update.cvs/libc-ud-971207
1997-12-08 03:24 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig: Define $(rt) to rt if linuxthreads is available.
* Makefile (subdirs): Replace rt by $(rt).
* shlib-versions: Use version .2 for NSS modules.
* grp/fgetgrent_r.c (LINE_PARSER): Call parse_line with extra
argument.
* pwd/fgetpwent_r.c: Likewise.
* spwd/fgetspent_r.c: Likewise.
* spwd/sgetspent_r.c: Likewise.
* hesiod/nss_hesiod/hesiod-grp.c (lookup): Add new argument.
Store error number in *ERRNOP. Little optimization.
* hesiod/nss_hesiod/hesiod-pwd.c: Likewise.
* hesiod/nss_hesiod/hesiod-service.c: Likewise.
* inet/getnetgrent_r.c (__internal_setnetgrent_reuse): Likewise.
(__internal_getnetgrent_r): New argument.
Call __internal_setnetgrent_reuse with new argument.
(__getnetgrent_r): Call __internal_getnetgrent_r with new argument.
* inet/netgroup.h: Add argument to prototypes.
* nis/nisplus-parser.h: Likewise.
* nis/nss_compat/compat-grp.c: Change everything to store error
code through provided pointer and not use errno.
* nis/nss_compat/compat-pwd.c: Likewise.
* nis/nss_compat/compat-spwd.c: Likewise.
* nis/nss_nis/nis-alias.c: Likewise.
* nis/nss_nis/nis-ethers.c: Likewise.
* nis/nss_nis/nis-grp.c: Likewise.
* nis/nss_nis/nis-hosts.c: Likewise.
* nis/nss_nis/nis-netgrp.c: Likewise.
* nis/nss_nis/nis-network.c: Likewise.
* nis/nss_nis/nis-proto.c: Likewise.
* nis/nss_nis/nis-publickey.c: Likewise.
* nis/nss_nis/nis-pwd.c: Likewise.
* nis/nss_nis/nis-rpc.c: Likewise.
* nis/nss_nis/nis-service.c: Likewise.
* nis/nss_nis/nis-spwd.c: Likewise.
* nis/nss_nisplus/nisplus-alias.c: Likewise.
* nis/nss_nisplus/nisplus-ethers.c: Likewise.
* nis/nss_nisplus/nisplus-grp.c: Likewise.
* nis/nss_nisplus/nisplus-hosts.c: Likewise.
* nis/nss_nisplus/nisplus-netgrp.c: Likewise.
* nis/nss_nisplus/nisplus-network.c: Likewise.
* nis/nss_nisplus/nisplus-parser.c: Likewise.
* nis/nss_nisplus/nisplus-proto.c: Likewise.
* nis/nss_nisplus/nisplus-publickey.c: Likewise.
* nis/nss_nisplus/nisplus-pwd.c: Likewise.
* nis/nss_nisplus/nisplus-rpc.c: Likewise.
* nis/nss_nisplus/nisplus-service.c: Likewise.
* nis/nss_nisplus/nisplus-spwd.c: Likewise.
* nss/nss_db/db-XXX.c: Likewise.
* nss/nss_db/db-alias.c: Likewise.
* nss/nss_db/db-netgrp.c: Likewise.
* nss/nss_files/files-XXX.c: Likewise
* nss/nss_files/files-alias.c: Likewise
* nss/nss_files/files-netgrp.c: Likewise
* nss/nss_files/files-parse.c: Likewise
* nss/getXXbyYY_r.c: Call with __errno_location() as value for new
parameter of get functions.
* nss/getXXent_r.c: Likewise.
* localedata/tst-fmon.c: Print debug info if test fails.
* rt/Makefile (routines): Add aio_notify.
* rt/aio.h: Remove non-public definitions. Add aioinit stuff.
* rt/aio_cancel.c: Rewrite to support lio_listio and aio_suspend.
* rt/aio_fsync.c: Likewise.
* rt/aio_misc.c: Likewise.
* rt/aio_misc.h: Likewise.
* rt/aio_read.c: Likewise.
* rt/aio_read64.c: Likewise.
* rt/aio_suspend.c: Likewise.
* rt/aio_write.c: Likewise.
* rt/aio_write64.c: Likewise.
* rt/lio_listio.c: Likewise.
* rt/lio_listio64.c: Likewise.
* rt/aio_notify.c: New file.
* sysdeps/generic/bits/sigset.h: Pretty print.
* sysdeps/posix/pwrite.c: Define weak alias only if function is
really defined as __pwrite.
* sysdeps/unix/sysv/linux/pread.c: Rewrite to use syscall directly
instead of pread64.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal]
(sysdep_routines): Add rt_sigpending and rt_sigreturn.
* sysdeps/unix/sysv/linux/sigaction.c: Use correct value for sigset_t
size in syscall.
* sysdeps/unix/sysv/linux/sigpending.c: Likewise.
* sysdeps/unix/sysv/linux/sigprocmask.c: Likewise.
* sysdeps/unix/sysv/linux/sigreturn.c: Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. Take care
for ACT being NULL.
* sysdeps/unix/sysv/linux/syscalls.list: Don't mention user for
RT signals.
* sysdeps/unix/sysv/linux/i386/s_pread64.s: Return ENOSYS if
__NR_pread is not defined.
* sysdeps/unix/sysv/linux/i386/s_pwrite64.s: Return ENOSYS if
__NR_pwrite is not defined.
1997-12-07 11:15 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nis/nss_compat/compat-grp.c: If buffer is to small, set the file
handle for /etc/group back in some more cases.
* nis/nss_compat/compat-pwd.c: If buffer is to small, set the file
handle for /etc/passwd back in some more cases.
* nis/nss_compat/compat-spwd.c: If buffer is to small, set the file
handle for /etc/shadow back in some more cases.
1997-12-06 17:00 H.J. Lu <hjl@gnu.org>
* sysdeps/posix/sigblock.c (__sigblock): Don't check int mask
beyound its size.
* sysdeps/posix/sigsetmask.c (__sigsetmask): Ditto.
* sysdeps/posix/sigvec.c (convert_mask, __sigvec): Ditto.
1997-12-06 04:38 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/wordsize-32/inttypes.h: Rewrite {str,wcs}to{i,u}max
handling. Don't use macros, we need functions. Use inline functions
for optimization.
* sysdeps/wordsize-64/inttypes.h: Likewise.
* sysdeps/wordsize-32/Makefile: Add strtoimax, stroumax, wcstoimax,
and wcstoumax.
* sysdeps/wordsize-64/Makefile: Likewise.
* sysdeps/wordsize-32/Dist: Likewise.
* sysdeps/wordsize-64/Dist: Likewise.
* sysdeps/wordsize-32/strtoimax.c: New file.
* sysdeps/wordsize-32/strtoumax.c: New file.
* sysdeps/wordsize-32/wcstoimax.c: New file.
* sysdeps/wordsize-32/wcstoumax.c: New file.
* sysdeps/wordsize-64/strtoimax.c: New file.
* sysdeps/wordsize-64/strtoumax.c: New file.
* sysdeps/wordsize-64/wcstoimax.c: New file.
* sysdeps/wordsize-64/wcstoumax.c: New file.
1997-12-04 10:40 Philip Blundell <pb@nexus.co.uk>
* sysdeps/generic/wait3.c (__wait3): Use ANSI-style definition so
that transparent union works.
* sysdeps/generic/wait4.c (__wait4): Likewise.
* sysdeps/generic/wait.c (__wait): Likewise.
* sysdeps/generic/getpeername.c (getpeername): Use socklen_t not
size_t.
* sysdeps/generic/syscall.c (syscall): Return value and arg are
long, to match prototype.
* malloc/malloc.c (HAVE_MREMAP): Set to 0 for ARM, as we don't
have mremap() yet.
* sysdeps/generic/usleep.c (usleep): Returns void, to match prototype.
* sysdeps/unix/sysv/linux/arm/syscalls.list: New file.
* sysdeps/generic/bits/time.h: Use __time_t not time_t.
* sysdeps/generic/bits/resource.h: Include <bits/types.h> for
__rlim_t.
* sysdeps/standalone/arm/bits/errno.h (ENOTTY): Added.
* sysdeps/generic/bits/dirent.h (struct dirent64): Added.
* io/sys/stat.h (S_ISLNK): Always false if we don't have
__S_IFLNK.
* sysdeps/standalone/close.c (_STDIO_H): Define before including
<bits/stdio_lim.h>.
* sysdeps/standalone/filedesc.h (_STDIO_H): Likewise.
1997-12-06 01:09 Ulrich Drepper <drepper@cygnus.com>
* posix/sys/wait.h: Don't use transparent unions in C++.
1997-12-05 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* time/time.h: Add strfxtime.
* libc.map: Add tcgetsid, strcasestr, wmemrtombs, wmemrtowcs,
sysv_signal, strfxtime, pread64, pwrite64.
1997-11-30 21:57 Richard Henderson <rth@cygnus.com>
Alpha changes for EGCS:
* config.h.in (ASM_ALPHA_NG_SYMBOL_PREFIX): New entry.
* configure.in (libc_cv_gcc_alpha_ng_prefix): New check.
* sysdeps/alpha/dl-machine.h (_dl_runtime_resolve): Care for prefix.
(_start): Likewise.
* sysdeps/unix/sysv/linux/alpha/init-first.h: Likewise.
Diffstat (limited to 'rt/aio_misc.h')
-rw-r--r-- | rt/aio_misc.h | 81 |
1 files changed, 74 insertions, 7 deletions
diff --git a/rt/aio_misc.h b/rt/aio_misc.h index c2eb9fc..af8e247 100644 --- a/rt/aio_misc.h +++ b/rt/aio_misc.h @@ -19,7 +19,19 @@ #ifndef _AIO_MISC_H #define _AIO_MISC_H 1 -#include <semaphore.h> +#include <aio.h> +#include <pthread.h> + + +/* Extend the operation enum. */ +enum +{ + LIO_DSYNC = LIO_READ + 1, + LIO_SYNC, + LIO_READ64 = LIO_READ | 128, + LIO_WRITE64 = LIO_WRITE | 128 +}; + /* Union of the two request types. */ typedef union @@ -28,18 +40,73 @@ typedef union struct aiocb64 aiocb64; } aiocb_union; -/* List of enqueued requests. */ -extern aiocb_union *__aio_requests; + +/* Used to synchronize. */ +struct waitlist + { + struct waitlist *next; + + pthread_cond_t *cond; + volatile int *counterp; + /* The next field is used in asynchronous `lio_listio' operations. */ + struct sigevent *sigevp; + }; + + +/* Status of a request. */ +enum +{ + no, + queued, + yes, + allocated +}; + + +/* Used to queue requests.. */ +struct requestlist + { + int running; + + struct requestlist *last_fd; + struct requestlist *next_fd; + struct requestlist *next_prio; + struct requestlist *next_run; + + /* Pointer to the actual data. */ + aiocb_union *aiocbp; + + /* List of waiting processes. */ + struct waitlist *waiting; + }; + /* Lock for global I/O list of requests. */ -extern sem_t __aio_requests_sema; +extern pthread_mutex_t __aio_requests_mutex; /* Enqueue request. */ -extern int __aio_enqueue_request (aiocb_union *aiocbp, int operation, - int require_lock); +extern struct requestlist *__aio_enqueue_request (aiocb_union *aiocbp, + int operation) + internal_function; + +/* Find request entry for given AIO control block. */ +extern struct requestlist *__aio_find_req (aiocb_union *elem) + internal_function; + +/* Find request entry for given file descriptor. */ +extern struct requestlist *__aio_find_req_fd (int fildes) internal_function; + +/* Release the entry for the request. */ +extern void __aio_free_request (struct requestlist *req) internal_function; + +/* Notify initiator of request and tell this everybody listening. */ +extern void __aio_notify (struct requestlist *req) internal_function; + +/* Notify initiator of request. */ +extern int __aio_notify_only (struct sigevent *sigev) internal_function; /* Send the signal. */ -extern int __aio_sigqueue (int sig, const union sigval val); +extern int __aio_sigqueue (int sig, const union sigval val) internal_function; #endif /* aio_misc.h */ |