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author | Igor Pashev <pashev.igor@gmail.com> | 2012-06-05 02:09:04 +0400 |
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committer | Igor Pashev <pashev.igor@gmail.com> | 2012-06-05 02:09:04 +0400 |
commit | 415ee7d6e47dcb3e0906a7bebc6d52ab8ed899da (patch) | |
tree | f7773ad82023c8616b339d84faa4bb7643af0311 /sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c | |
parent | 3cc0cd4c5b3bed6f7d9aff26322d505785e11aa9 (diff) | |
download | glibc-415ee7d6e47dcb3e0906a7bebc6d52ab8ed899da.tar.gz |
Merged changes from kopensolaris-gnu project
http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu/glibc.git
Commits from 9157319 to bad8ac8.
This is only partial patch, some changes to not apply
and will be resovled and committed next.
Diffstat (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c')
-rw-r--r-- | sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c new file mode 100644 index 0000000000..cc3fe94b92 --- /dev/null +++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/port.c @@ -0,0 +1,127 @@ +/* Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Bartley <dtbartle@csclub.uwaterloo.ca>, 2008. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <inline-syscall.h> +#include <port.h> +#include <sys/port_impl.h> + +/* SYS_port returns a 64-bit int but the port_* calls return a 32-bit int, so + we can't implement these directly in syscalls.list. Whenever the 2nd + argument is not a port we need to specify PORT_SYS_NOPORT. + + port_getn and port_sendn are special in that they may return after only + some of the ports have been acted on before the timeout occured. In this + case, the first 32-bits of the the return specify the number of acted on + ports, and the second 32-bits specify the error that occured (currently + this is always ETIME). */ + +DECLARE_INLINE_SYSCALL (int64_t, port, int, ...); + + +int port_create (void) +{ + /* The 2nd argument is the version of port_create, currently 0. */ + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 2, + SYS_SUB_port_create | PORT_SYS_NOPORT, 0); + return ret.rval1; +} + +int port_associate (int port, int source, uintptr_t object, + int events, void *user) +{ + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 6, SYS_SUB_port_associate, port, source, + object, events, user); + return ret.rval1; +} + +int port_dissociate (int port, int source, uintptr_t object) +{ + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 4, SYS_SUB_port_dissociate, port, + source, object); + return ret.rval1; +} + +int port_send (int port, int events, void *user) +{ + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 4, SYS_SUB_port_send, port, events, user); + return ret.rval1; +} + +int port_sendn (int ports[], int errors[], unsigned int nent, + int events, void *user) +{ + /* Note that we cannot have more than PORT_MAX_LIST ports in a single + syscall so we may need to split ports across multiple syscalls. */ + + rval_t ret; + int nevents = 0; + for (unsigned int i = 0; i < nent; i += PORT_MAX_LIST) + { + int errval = __systemcall (&ret.rvals, SYS_port, SYS_SUB_port_sendn | + PORT_SYS_NOPORT, &ports[i], &errors[i], MIN (nent - i, PORT_MAX_LIST), + events, user); + if (errval == 0 || errval == ETIME) + nevents += ret.rval1; + if (errval != 0) + { + __set_errno (errval); + break; + } + } + + return nevents; +} + +int port_get (int port, port_event_t *pe, struct timespec *to) +{ + time_t sec = to ? to->tv_sec : 0; + long nsec = to ? to->tv_nsec : 0; + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 6, SYS_SUB_port_get, port, pe, sec, nsec, to); + return ret.rval1; +} + +int port_getn (int port, port_event_t list[], unsigned int max, + unsigned int *nget, struct timespec *timeout) +{ + rval_t ret; + int errval = __systemcall (&ret.rvals, SYS_port, SYS_SUB_port_getn, port, list, + max, *nget, timeout); + if (errval == 0 || errval == ETIME) + *nget = ret.rval1; + + if (errval != 0) + { + __set_errno (errval); + return -1; + } + return 0; +} + +int port_alert (int port, int flags, int events, void *user) +{ + rval_t ret; + ret.rval64 = INLINE_SYSCALL (port, 5, SYS_SUB_port_alert, port, flags, + events, user); + return ret.rval1; +} |