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|
# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2024-03-01 17:05+0100\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#. type: TH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "recvmmsg"
msgstr ""
#. type: TH
#: archlinux fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr ""
#. type: TH
#: archlinux fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NAME"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "recvmmsg - receive multiple messages on a socket"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "LIBRARY"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Standard C library (I<libc>, I<-lc>)"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SYNOPSIS"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<#define _GNU_SOURCE> /* See feature_test_macros(7) */\n"
"B<#include E<lt>sys/socket.hE<gt>>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<int recvmmsg(int >I<sockfd>B<, struct mmsghdr *>I<msgvec>B<, unsigned int >I<vlen>B<,>\n"
"B< int >I<flags>B<, struct timespec *>I<timeout>B<);>\n"
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "DESCRIPTION"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<recvmmsg>() system call is an extension of B<recvmsg>(2) that allows "
"the caller to receive multiple messages from a socket using a single system "
"call. (This has performance benefits for some applications.) A further "
"extension over B<recvmsg>(2) is support for a timeout on the receive "
"operation."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<sockfd> argument is the file descriptor of the socket to receive data "
"from."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<msgvec> argument is a pointer to an array of I<mmsghdr> structures. "
"The size of this array is specified in I<vlen>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "The I<mmsghdr> structure is defined in I<E<lt>sys/socket.hE<gt>> as:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"struct mmsghdr {\n"
" struct msghdr msg_hdr; /* Message header */\n"
" unsigned int msg_len; /* Number of received bytes for header */\n"
"};\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<msg_hdr> field is a I<msghdr> structure, as described in "
"B<recvmsg>(2). The I<msg_len> field is the number of bytes returned for the "
"message in the entry. This field has the same value as the return value of "
"a single B<recvmsg>(2) on the header."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<flags> argument contains flags ORed together. The flags are the same "
"as documented for B<recvmsg>(2), with the following addition:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<MSG_WAITFORONE> (since Linux 2.6.34)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "Turns on B<MSG_DONTWAIT> after the first message has been received."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<timeout> argument points to a I<struct timespec> (see "
"B<clock_gettime>(2)) defining a timeout (seconds plus nanoseconds) for the "
"receive operation (I<but see BUGS!>). (This interval will be rounded up to "
"the system clock granularity, and kernel scheduling delays mean that the "
"blocking interval may overrun by a small amount.) If I<timeout> is NULL, "
"then the operation blocks indefinitely."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A blocking B<recvmmsg>() call blocks until I<vlen> messages have been "
"received or until the timeout expires. A nonblocking call reads as many "
"messages as are available (up to the limit specified by I<vlen>) and "
"returns immediately."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On return from B<recvmmsg>(), successive elements of I<msgvec> are updated "
"to contain information about each received message: I<msg_len> contains the "
"size of the received message; the subfields of I<msg_hdr> are updated as "
"described in B<recvmsg>(2). The return value of the call indicates the "
"number of elements of I<msgvec> that have been updated."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "RETURN VALUE"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"On success, B<recvmmsg>() returns the number of messages received in "
"I<msgvec>; on error, -1 is returned, and I<errno> is set to indicate the "
"error."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ERRORS"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Errors are as for B<recvmsg>(2). In addition, the following error can occur:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EINVAL>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<timeout> is invalid."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "See also BUGS."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "STANDARDS"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux."
msgstr ""
#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "HISTORY"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "Linux 2.6.33, glibc 2.12."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "BUGS"
msgstr ""
#. FIXME . https://bugzilla.kernel.org/show_bug.cgi?id=75371
#. http://thread.gmane.org/gmane.linux.man/5677
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The I<timeout> argument does not work as intended. The timeout is checked "
"only after the receipt of each datagram, so that if up to I<vlen-1> "
"datagrams are received before the timeout expires, but then no further "
"datagrams are received, the call will block forever."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If an error occurs after at least one message has been received, the call "
"succeeds, and returns the number of messages received. The error code is "
"expected to be returned on a subsequent call to B<recvmmsg>(). In the "
"current implementation, however, the error code can be overwritten in the "
"meantime by an unrelated network event on a socket, for example an incoming "
"ICMP packet."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "EXAMPLES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following program uses B<recvmmsg>() to receive multiple messages on a "
"socket and stores them in multiple buffers. The call returns if all buffers "
"are filled or if the timeout specified has expired."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following snippet periodically generates UDP datagrams containing a "
"random number:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$B< while true; do echo $RANDOM E<gt> /dev/udp/127.0.0.1/1234;>\n"
"B<sleep 0.25; done>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"These datagrams are read by the example application, which can give the "
"following output:"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"$B< ./a.out>\n"
"5 messages received\n"
"1 11782\n"
"2 11345\n"
"3 304\n"
"4 13514\n"
"5 28421\n"
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Program source"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>arpa/inet.hE<gt>\n"
"#include E<lt>netinet/in.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/socket.hE<gt>\n"
"#include E<lt>time.hE<gt>\n"
"\\&\n"
"int\n"
"main(void)\n"
"{\n"
"#define VLEN 10\n"
"#define BUFSIZE 200\n"
"#define TIMEOUT 1\n"
" int sockfd, retval;\n"
" char bufs[VLEN][BUFSIZE+1];\n"
" struct iovec iovecs[VLEN];\n"
" struct mmsghdr msgs[VLEN];\n"
" struct timespec timeout;\n"
" struct sockaddr_in addr;\n"
"\\&\n"
" sockfd = socket(AF_INET, SOCK_DGRAM, 0);\n"
" if (sockfd == -1) {\n"
" perror(\"socket()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" addr.sin_family = AF_INET;\n"
" addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);\n"
" addr.sin_port = htons(1234);\n"
" if (bind(sockfd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {\n"
" perror(\"bind()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" memset(msgs, 0, sizeof(msgs));\n"
" for (size_t i = 0; i E<lt> VLEN; i++) {\n"
" iovecs[i].iov_base = bufs[i];\n"
" iovecs[i].iov_len = BUFSIZE;\n"
" msgs[i].msg_hdr.msg_iov = &iovecs[i];\n"
" msgs[i].msg_hdr.msg_iovlen = 1;\n"
" }\n"
"\\&\n"
" timeout.tv_sec = TIMEOUT;\n"
" timeout.tv_nsec = 0;\n"
"\\&\n"
" retval = recvmmsg(sockfd, msgs, VLEN, 0, &timeout);\n"
" if (retval == -1) {\n"
" perror(\"recvmmsg()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" printf(\"%d messages received\\en\", retval);\n"
" for (size_t i = 0; i E<lt> retval; i++) {\n"
" bufs[i][msgs[i].msg_len] = 0;\n"
" printf(\"%zu %s\", i+1, bufs[i]);\n"
" }\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. SRC END
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "SEE ALSO"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<clock_gettime>(2), B<recvmsg>(2), B<sendmmsg>(2), B<sendmsg>(2), "
"B<socket>(2), B<socket>(7)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2022-12-04"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: SH
#: debian-bookworm
#, no-wrap
msgid "VERSIONS"
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid ""
"The B<recvmmsg>() system call was added in Linux 2.6.33. Support in glibc "
"was added in glibc 2.12."
msgstr ""
#. type: Plain text
#: debian-bookworm
msgid "B<recvmmsg>() is Linux-specific."
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#define _GNU_SOURCE\n"
"#include E<lt>arpa/inet.hE<gt>\n"
"#include E<lt>netinet/in.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>string.hE<gt>\n"
"#include E<lt>sys/socket.hE<gt>\n"
"#include E<lt>time.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(void)\n"
"{\n"
"#define VLEN 10\n"
"#define BUFSIZE 200\n"
"#define TIMEOUT 1\n"
" int sockfd, retval;\n"
" char bufs[VLEN][BUFSIZE+1];\n"
" struct iovec iovecs[VLEN];\n"
" struct mmsghdr msgs[VLEN];\n"
" struct timespec timeout;\n"
" struct sockaddr_in addr;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" sockfd = socket(AF_INET, SOCK_DGRAM, 0);\n"
" if (sockfd == -1) {\n"
" perror(\"socket()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" addr.sin_family = AF_INET;\n"
" addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);\n"
" addr.sin_port = htons(1234);\n"
" if (bind(sockfd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {\n"
" perror(\"bind()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" memset(msgs, 0, sizeof(msgs));\n"
" for (size_t i = 0; i E<lt> VLEN; i++) {\n"
" iovecs[i].iov_base = bufs[i];\n"
" iovecs[i].iov_len = BUFSIZE;\n"
" msgs[i].msg_hdr.msg_iov = &iovecs[i];\n"
" msgs[i].msg_hdr.msg_iovlen = 1;\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" timeout.tv_sec = TIMEOUT;\n"
" timeout.tv_nsec = 0;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" retval = recvmmsg(sockfd, msgs, VLEN, 0, &timeout);\n"
" if (retval == -1) {\n"
" perror(\"recvmmsg()\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" printf(\"%d messages received\\en\", retval);\n"
" for (size_t i = 0; i E<lt> retval; i++) {\n"
" bufs[i][msgs[i].msg_len] = 0;\n"
" printf(\"%zu %s\", i+1, bufs[i]);\n"
" }\n"
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2023-05-03"
msgstr ""
#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages 6.05.01"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "2023-03-30"
msgstr ""
#. type: TH
#: opensuse-leap-15-6
#, no-wrap
msgid "Linux man-pages 6.04"
msgstr ""
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