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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: 2024-06-01 06:20+0200\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 "semget"
msgstr ""
#. type: TH
#: archlinux debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2024-05-02"
msgstr ""
#. type: TH
#: archlinux debian-unstable
#, no-wrap
msgid "Linux man-pages 6.8"
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 "semget - get a System V semaphore set identifier"
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<#include E<lt>sys/sem.hE<gt>>\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<int semget(key_t >I<key>B<,> B<int >I<nsems>B<,> B<int >I<semflg>B<);>"
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<semget>() system call returns the System\\ V semaphore set identifier "
"associated with the argument I<key>. It may be used either to obtain the "
"identifier of a previously created semaphore set (when I<semflg> is zero and "
"I<key> does not have the value B<IPC_PRIVATE>), or to create a new set."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A new set of I<nsems> semaphores is created if I<key> has the value "
"B<IPC_PRIVATE> or if no existing semaphore set is associated with I<key> and "
"B<IPC_CREAT> is specified in I<semflg>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"If I<semflg> specifies both B<IPC_CREAT> and B<IPC_EXCL> and a semaphore set "
"already exists for I<key>, then B<semget>() fails with I<errno> set to "
"B<EEXIST>. (This is analogous to the effect of the combination B<O_CREAT | "
"O_EXCL> for B<open>(2).)"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Upon creation, the least significant 9 bits of the argument I<semflg> define "
"the permissions (for owner, group, and others) for the semaphore set. "
"These bits have the same format, and the same meaning, as the I<mode> "
"argument of B<open>(2) (though the execute permissions are not meaningful "
"for semaphores, and write permissions mean permission to alter semaphore "
"values)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"When creating a new semaphore set, B<semget>() initializes the set's "
"associated data structure, I<semid_ds> (see B<semctl>(2)), as follows:"
msgstr ""
#. type: IP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "\\[bu]"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<sem_perm.cuid> and I<sem_perm.uid> are set to the effective user ID of the "
"calling process."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<sem_perm.cgid> and I<sem_perm.gid> are set to the effective group ID of "
"the calling process."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The least significant 9 bits of I<sem_perm.mode> are set to the least "
"significant 9 bits of I<semflg>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<sem_nsems> is set to the value of I<nsems>."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<sem_otime> is set to 0."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "I<sem_ctime> is set to the current time."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The argument I<nsems> can be 0 (a don't care) when a semaphore set is not "
"being created. Otherwise, I<nsems> must be greater than 0 and less than or "
"equal to the maximum number of semaphores per semaphore set (B<SEMMSL>)."
msgstr ""
#. and a check is made to see if it is marked for destruction.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "If the semaphore set already exists, the permissions are verified."
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<semget>() returns the semaphore set identifier (a nonnegative "
"integer). On failure, -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: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EACCES>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A semaphore set exists for I<key>, but the calling process does not have "
"permission to access the set, and does not have the B<CAP_IPC_OWNER> "
"capability in the user namespace that governs its IPC namespace."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EEXIST>"
msgstr ""
#. .TP
#. .B EIDRM
#. The semaphore set is marked to be deleted.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<IPC_CREAT> and B<IPC_EXCL> were specified in I<semflg>, but a semaphore "
"set already exists for I<key>."
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<nsems> is less than 0 or greater than the limit on the number of "
"semaphores per semaphore set (B<SEMMSL>)."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A semaphore set corresponding to I<key> already exists, but I<nsems> is "
"larger than the number of semaphores in that set."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOENT>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"No semaphore set exists for I<key> and I<semflg> did not specify "
"B<IPC_CREAT>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOMEM>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A semaphore set has to be created but the system does not have enough memory "
"for the new data structure."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ENOSPC>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"A semaphore set has to be created but the system limit for the maximum "
"number of semaphore sets (B<SEMMNI>), or the system wide maximum number of "
"semaphores (B<SEMMNS>), would be exceeded."
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 "POSIX.1-2008."
msgstr ""
#. type: SH
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "HISTORY"
msgstr ""
#. SVr4 documents additional error conditions EFBIG, E2BIG, EAGAIN,
#. ERANGE, EFAULT.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "SVr4, POSIX.1-2001."
msgstr ""
#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "NOTES"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<IPC_PRIVATE> isn't a flag field but a I<key_t> type. If this special "
"value is used for I<key>, the system call ignores all but the least "
"significant 9 bits of I<semflg> and creates a new semaphore set (on success)."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Semaphore initialization"
msgstr ""
#. In truth, every one of the many implementations that I've tested sets
#. the values to zero, but I suppose there is/was some obscure
#. implementation out there that does not.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The values of the semaphores in a newly created set are indeterminate. "
"(POSIX.1-2001 and POSIX.1-2008 are explicit on this point, although "
"POSIX.1-2008 notes that a future version of the standard may require an "
"implementation to initialize the semaphores to 0.) Although Linux, like "
"many other implementations, initializes the semaphore values to 0, a "
"portable application cannot rely on this: it should explicitly initialize "
"the semaphores to the desired values."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Initialization can be done using B<semctl>(2) B<SETVAL> or B<SETALL> "
"operation. Where multiple peers do not know who will be the first to "
"initialize the set, checking for a nonzero I<sem_otime> in the associated "
"data structure retrieved by a B<semctl>(2) B<IPC_STAT> operation can be "
"used to avoid races."
msgstr ""
#. type: SS
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Semaphore limits"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The following limits on semaphore set resources affect the B<semget>() call:"
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<SEMMNI>"
msgstr ""
#. commit e843e7d2c88b7db107a86bd2c7145dc715c058f4
#. This /proc file is not available in Linux 2.2 and earlier -- MTK
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"System-wide limit on the number of semaphore sets. Before Linux 3.19, the "
"default value for this limit was 128. Since Linux 3.19, the default value "
"is 32,000. On Linux, this limit can be read and modified via the fourth "
"field of I</proc/sys/kernel/sem>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<SEMMSL>"
msgstr ""
#. commit e843e7d2c88b7db107a86bd2c7145dc715c058f4
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Maximum number of semaphores per semaphore ID. Before Linux 3.19, the "
"default value for this limit was 250. Since Linux 3.19, the default value "
"is 32,000. On Linux, this limit can be read and modified via the first "
"field of I</proc/sys/kernel/sem>."
msgstr ""
#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<SEMMNS>"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"System-wide limit on the number of semaphores: policy dependent (on Linux, "
"this limit can be read and modified via the second field of I</proc/sys/"
"kernel/sem>). Note that the number of semaphores system-wide is also "
"limited by the product of B<SEMMSL> and B<SEMMNI>."
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 ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The name choice B<IPC_PRIVATE> was perhaps unfortunate, B<IPC_NEW> would "
"more clearly show its function."
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 program shown below uses B<semget>() to create a new semaphore set or "
"retrieve the ID of an existing set. It generates the I<key> for "
"B<semget>() using B<ftok>(3). The first two command-line arguments are "
"used as the I<pathname> and I<proj_id> arguments for B<ftok>(3). The third "
"command-line argument is an integer that specifies the I<nsems> argument for "
"B<semget>(). Command-line options can be used to specify the B<IPC_CREAT> "
"(I<-c>) and B<IPC_EXCL> (I<-x>) flags for the call to B<semget>(). The "
"usage of this program is demonstrated below."
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"We first create two files that will be used to generate keys using "
"B<ftok>(3), create two semaphore sets using those files, and then list the "
"sets using B<ipcs>(1):"
msgstr ""
#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<touch mykey mykey2>\n"
"$ B<./t_semget -c mykey p 1>\n"
"ID = 9\n"
"$ B<./t_semget -c mykey2 p 2>\n"
"ID = 10\n"
"$ B<ipcs -s>\n"
"\\&\n"
"------ Semaphore Arrays --------\n"
"key semid owner perms nsems\n"
"0x7004136d 9 mtk 600 1\n"
"0x70041368 10 mtk 600 2\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Next, we demonstrate that when B<semctl>(2) is given the same I<key> (as "
"generated by the same arguments to B<ftok>(3)), it returns the ID of the "
"already existing semaphore set:"
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<./t_semget -c mykey p 1>\n"
"ID = 9\n"
msgstr ""
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Finally, we demonstrate the kind of collision that can occur when "
"B<ftok>(3) is given different I<pathname> arguments that have the same "
"inode 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<ln mykey link>\n"
"$ B<ls -i1 link mykey>\n"
"2233197 link\n"
"2233197 mykey\n"
"$ B<./t_semget link p 1> # Generates same key as \\[aq]mykey\\[aq]\n"
"ID = 9\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 ""
"/* t_semget.c\n"
"\\&\n"
" Licensed under GNU General Public License v2 or later.\n"
"*/\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>sys/ipc.hE<gt>\n"
"#include E<lt>sys/sem.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"static void\n"
"usage(const char *pname)\n"
"{\n"
" fprintf(stderr, \"Usage: %s [-cx] pathname proj-id num-sems\\en\",\n"
" pname);\n"
" fprintf(stderr, \" -c Use IPC_CREAT flag\\en\");\n"
" fprintf(stderr, \" -x Use IPC_EXCL flag\\en\");\n"
" exit(EXIT_FAILURE);\n"
"}\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int semid, nsems, flags, opt;\n"
" key_t key;\n"
"\\&\n"
" flags = 0;\n"
" while ((opt = getopt(argc, argv, \"cx\")) != -1) {\n"
" switch (opt) {\n"
" case \\[aq]c\\[aq]: flags |= IPC_CREAT; break;\n"
" case \\[aq]x\\[aq]: flags |= IPC_EXCL; break;\n"
" default: usage(argv[0]);\n"
" }\n"
" }\n"
"\\&\n"
" if (argc != optind + 3)\n"
" usage(argv[0]);\n"
"\\&\n"
" key = ftok(argv[optind], argv[optind + 1][0]);\n"
" if (key == -1) {\n"
" perror(\"ftok\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" nsems = atoi(argv[optind + 2]);\n"
"\\&\n"
" semid = semget(key, nsems, flags | 0600);\n"
" if (semid == -1) {\n"
" perror(\"semget\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
"\\&\n"
" printf(\"ID = %d\\en\", semid);\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<semctl>(2), B<semop>(2), B<ftok>(3), B<capabilities>(7), "
"B<sem_overview>(7), B<sysvipc>(7)"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "2023-02-05"
msgstr ""
#. type: TH
#: debian-bookworm
#, no-wrap
msgid "Linux man-pages 6.03"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"$ B<touch mykey mykey2>\n"
"$ B<./t_semget -c mykey p 1>\n"
"ID = 9\n"
"$ B<./t_semget -c mykey2 p 2>\n"
"ID = 10\n"
"$ B<ipcs -s>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"------ Semaphore Arrays --------\n"
"key semid owner perms nsems\n"
"0x7004136d 9 mtk 600 1\n"
"0x70041368 10 mtk 600 2\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "/* t_semget.c\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" Licensed under GNU General Public License v2 or later.\n"
"*/\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>sys/ipc.hE<gt>\n"
"#include E<lt>sys/sem.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"usage(const char *pname)\n"
"{\n"
" fprintf(stderr, \"Usage: %s [-cx] pathname proj-id num-sems\\en\",\n"
" pname);\n"
" fprintf(stderr, \" -c Use IPC_CREAT flag\\en\");\n"
" fprintf(stderr, \" -x Use IPC_EXCL flag\\en\");\n"
" exit(EXIT_FAILURE);\n"
"}\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
" int semid, nsems, flags, opt;\n"
" key_t key;\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" flags = 0;\n"
" while ((opt = getopt(argc, argv, \"cx\")) != -1) {\n"
" switch (opt) {\n"
" case \\[aq]c\\[aq]: flags |= IPC_CREAT; break;\n"
" case \\[aq]x\\[aq]: flags |= IPC_EXCL; break;\n"
" default: usage(argv[0]);\n"
" }\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" if (argc != optind + 3)\n"
" usage(argv[0]);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" key = ftok(argv[optind], argv[optind + 1][0]);\n"
" if (key == -1) {\n"
" perror(\"ftok\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " nsems = atoi(argv[optind + 2]);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" semid = semget(key, nsems, flags | 0600);\n"
" if (semid == -1) {\n"
" perror(\"semget\");\n"
" exit(EXIT_FAILURE);\n"
" }\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid " printf(\"ID = %d\\en\", semid);\n"
msgstr ""
#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
" exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""
#. type: TH
#: fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid "2023-10-31"
msgstr ""
#. type: TH
#: fedora-40 mageia-cauldron
#, no-wrap
msgid "Linux man-pages 6.06"
msgstr ""
#. type: TH
#: fedora-rawhide
#, no-wrap
msgid "Linux man-pages 6.7"
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 ""
#. type: TH
#: opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages (unreleased)"
msgstr ""
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