# 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 "pthread_setschedparam"
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 ""
"pthread_setschedparam, pthread_getschedparam - set/get scheduling policy and "
"parameters of a thread"
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 "POSIX threads library (I<libpthread>, I<-lpthread>)"
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>pthread.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 pthread_setschedparam(pthread_t >I<thread>B<, int >I<policy>B<,>\n"
"B<                          const struct sched_param *>I<param>B<);>\n"
"B<int pthread_getschedparam(pthread_t >I<thread>B<, int *restrict >I<policy>B<,>\n"
"B<                          struct sched_param *restrict >I<param>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<pthread_setschedparam>()  function sets the scheduling policy and "
"parameters of the thread I<thread>."
msgstr ""

#.  FIXME . pthread_setschedparam() places no restriction on the policy,
#.  but pthread_attr_setschedpolicy() restricts policy to RR/FIFO/OTHER
#.  http://sourceware.org/bugzilla/show_bug.cgi?id=7013
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<policy> specifies the new scheduling policy for I<thread>.  The supported "
"values for I<policy>, and their semantics, are described in B<sched>(7)."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The structure pointed to by I<param> specifies the new scheduling parameters "
"for I<thread>.  Scheduling parameters are maintained in the following "
"structure:"
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 sched_param {\n"
"    int sched_priority;     /* Scheduling priority */\n"
"};\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"As can be seen, only one scheduling parameter is supported.  For details of "
"the permitted ranges for scheduling priorities in each scheduling policy, "
"see B<sched>(7)."
msgstr ""

#.  FIXME . nptl/pthread_setschedparam.c has the following
#.    /* If the thread should have higher priority because of some
#.       PTHREAD_PRIO_PROTECT mutexes it holds, adjust the priority. */
#.  Eventually (perhaps after writing the mutexattr pages), we
#.  may want to add something on the topic to this page.
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The B<pthread_getschedparam>()  function returns the scheduling policy and "
"parameters of the thread I<thread>, in the buffers pointed to by I<policy> "
"and I<param>, respectively.  The returned priority value is that set by the "
"most recent B<pthread_setschedparam>(), B<pthread_setschedprio>(3), or "
"B<pthread_create>(3)  call that affected I<thread>.  The returned priority "
"does not reflect any temporary priority adjustments as a result of calls to "
"any priority inheritance or priority ceiling functions (see, for example, "
"B<pthread_mutexattr_setprioceiling>(3)  and "
"B<pthread_mutexattr_setprotocol>(3))."
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, these functions return 0; on error, they return a nonzero error "
"number.  If B<pthread_setschedparam>()  fails, the scheduling policy and "
"parameters of I<thread> are not changed."
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 "Both of these functions can fail with the following error:"
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<ESRCH>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid "No thread with the ID I<thread> could be found."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"B<pthread_setschedparam>()  may additionally fail with the following 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<EINVAL>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"I<policy> is not a recognized policy, or I<param> does not make sense for "
"the I<policy>."
msgstr ""

#. type: TP
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "B<EPERM>"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The caller does not have appropriate privileges to set the specified "
"scheduling policy and parameters."
msgstr ""

#. #-#-#-#-#  archlinux: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  debian-bookworm: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#.  .SH VERSIONS
#.  Available since glibc 2.0
#. type: Plain text
#. #-#-#-#-#  debian-unstable: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  fedora-40: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  fedora-rawhide: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  mageia-cauldron: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  opensuse-leap-15-6: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#. #-#-#-#-#  opensuse-tumbleweed: pthread_setschedparam.3.pot (PACKAGE VERSION)  #-#-#-#-#
#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"POSIX.1 also documents an B<ENOTSUP> (\"attempt was made to set the policy "
"or scheduling parameters to an unsupported value\") error for "
"B<pthread_setschedparam>()."
msgstr ""

#. type: SH
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "ATTRIBUTES"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"For an explanation of the terms used in this section, see B<attributes>(7)."
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Interface"
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Attribute"
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Value"
msgstr ""

#. type: tbl table
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ".na\n"
msgstr ""

#. type: tbl table
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ".nh\n"
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid ""
"B<pthread_setschedparam>(),\n"
"B<pthread_getschedparam>()"
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "Thread safety"
msgstr ""

#. type: tbl table
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
#, no-wrap
msgid "MT-Safe"
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 ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-leap-15-6 opensuse-tumbleweed
msgid "glibc 2.0 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 ""
"For a description of the permissions required to, and the effect of, "
"changing a thread's scheduling policy and priority, and details of the "
"permitted ranges for priorities in each scheduling policy, see B<sched>(7)."
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 below demonstrates the use of B<pthread_setschedparam>()  and "
"B<pthread_getschedparam>(), as well as the use of a number of other "
"scheduling-related pthreads functions."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In the following run, the main thread sets its scheduling policy to "
"B<SCHED_FIFO> with a priority of 10, and initializes a thread attributes "
"object with a scheduling policy attribute of B<SCHED_RR> and a scheduling "
"priority attribute of 20.  The program then sets (using "
"B<pthread_attr_setinheritsched>(3))  the inherit scheduler attribute of the "
"thread attributes object to B<PTHREAD_EXPLICIT_SCHED>, meaning that threads "
"created using this attributes object should take their scheduling attributes "
"from the thread attributes object.  The program then creates a thread using "
"the thread attributes object, and that thread displays its scheduling policy "
"and priority."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"$ B<su>      # Need privilege to set real-time scheduling policies\n"
"Password:\n"
"# B<./a.out -mf10 -ar20 -i e>\n"
"Scheduler settings of main thread\n"
"    policy=SCHED_FIFO, priority=10\n"
"\\&\n"
"Scheduler settings in \\[aq]attr\\[aq]\n"
"    policy=SCHED_RR, priority=20\n"
"    inheritsched is EXPLICIT\n"
"\\&\n"
"Scheduler attributes of new thread\n"
"    policy=SCHED_RR, priority=20\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In the above output, one can see that the scheduling policy and priority "
"were taken from the values specified in the thread attributes object."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"The next run is the same as the previous, except that the inherit scheduler "
"attribute is set to B<PTHREAD_INHERIT_SCHED>, meaning that threads created "
"using the thread attributes object should ignore the scheduling attributes "
"specified in the attributes object and instead take their scheduling "
"attributes from the creating thread."
msgstr ""

#. type: Plain text
#: archlinux debian-unstable fedora-40 fedora-rawhide mageia-cauldron
#: opensuse-tumbleweed
#, no-wrap
msgid ""
"# B<./a.out -mf10 -ar20 -i i>\n"
"Scheduler settings of main thread\n"
"    policy=SCHED_FIFO, priority=10\n"
"\\&\n"
"Scheduler settings in \\[aq]attr\\[aq]\n"
"    policy=SCHED_RR, priority=20\n"
"    inheritsched is INHERIT\n"
"\\&\n"
"Scheduler attributes of new thread\n"
"    policy=SCHED_FIFO, priority=10\n"
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"In the above output, one can see that the scheduling policy and priority "
"were taken from the creating thread, rather than the thread attributes "
"object."
msgstr ""

#. type: Plain text
#: archlinux debian-bookworm debian-unstable fedora-40 fedora-rawhide
#: mageia-cauldron opensuse-leap-15-6 opensuse-tumbleweed
msgid ""
"Note that if we had omitted the I<-i\\~i> option, the output would have been "
"the same, since B<PTHREAD_INHERIT_SCHED> is the default for the inherit "
"scheduler attribute."
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 fedora-40 fedora-rawhide mageia-cauldron
#, no-wrap
msgid ""
"/* pthreads_sched_test.c */\n"
"\\&\n"
"#include E<lt>errno.hE<gt>\n"
"#include E<lt>pthread.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"#define handle_error_en(en, msg) \\e\n"
"        do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0)\n"
"\\&\n"
"[[noreturn]]\n"
"static void\n"
"usage(char *prog_name, char *msg)\n"
"{\n"
"    if (msg != NULL)\n"
"        fputs(msg, stderr);\n"
"\\&\n"
"    fprintf(stderr, \"Usage: %s [options]\\en\", prog_name);\n"
"    fprintf(stderr, \"Options are:\\en\");\n"
"#define fpe(msg) fprintf(stderr, \"\\et%s\", msg)          /* Shorter */\n"
"    fpe(\"-aE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority in\\en\");\n"
"    fpe(\"                 thread attributes object\\en\");\n"
"    fpe(\"                 E<lt>policyE<gt> can be\\en\");\n"
"    fpe(\"                     f  SCHED_FIFO\\en\");\n"
"    fpe(\"                     r  SCHED_RR\\en\");\n"
"    fpe(\"                     o  SCHED_OTHER\\en\");\n"
"    fpe(\"-A               Use default thread attributes object\\en\");\n"
"    fpe(\"-i {e|i}         Set inherit scheduler attribute to\\en\");\n"
"    fpe(\"                 \\[aq]explicit\\[aq] or \\[aq]inherit\\[aq]\\en\");\n"
"    fpe(\"-mE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority on\\en\");\n"
"    fpe(\"                 main thread before pthread_create() call\\en\");\n"
"    exit(EXIT_FAILURE);\n"
"}\n"
"\\&\n"
"static int\n"
"get_policy(char p, int *policy)\n"
"{\n"
"    switch (p) {\n"
"    case \\[aq]f\\[aq]: *policy = SCHED_FIFO;     return 1;\n"
"    case \\[aq]r\\[aq]: *policy = SCHED_RR;       return 1;\n"
"    case \\[aq]o\\[aq]: *policy = SCHED_OTHER;    return 1;\n"
"    default:  return 0;\n"
"    }\n"
"}\n"
"\\&\n"
"static void\n"
"display_sched_attr(int policy, const struct sched_param *param)\n"
"{\n"
"    printf(\"    policy=%s, priority=%d\\en\",\n"
"           (policy == SCHED_FIFO)  ? \"SCHED_FIFO\" :\n"
"           (policy == SCHED_RR)    ? \"SCHED_RR\" :\n"
"           (policy == SCHED_OTHER) ? \"SCHED_OTHER\" :\n"
"           \"???\",\n"
"           param-E<gt>sched_priority);\n"
"}\n"
"\\&\n"
"static void\n"
"display_thread_sched_attr(char *msg)\n"
"{\n"
"    int policy, s;\n"
"    struct sched_param param;\n"
"\\&\n"
"    s = pthread_getschedparam(pthread_self(), &policy, &param);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_getschedparam\");\n"
"\\&\n"
"    printf(\"%s\\en\", msg);\n"
"    display_sched_attr(policy, &param);\n"
"}\n"
"\\&\n"
"static void *\n"
"thread_start(void *arg)\n"
"{\n"
"    display_thread_sched_attr(\"Scheduler attributes of new thread\");\n"
"\\&\n"
"    return NULL;\n"
"}\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
"    int s, opt, inheritsched, use_null_attrib, policy;\n"
"    pthread_t thread;\n"
"    pthread_attr_t attr;\n"
"    pthread_attr_t *attrp;\n"
"    char *attr_sched_str, *main_sched_str, *inheritsched_str;\n"
"    struct sched_param param;\n"
"\\&\n"
"    /* Process command-line options. */\n"
"\\&\n"
"    use_null_attrib = 0;\n"
"    attr_sched_str = NULL;\n"
"    main_sched_str = NULL;\n"
"    inheritsched_str = NULL;\n"
"\\&\n"
"    while ((opt = getopt(argc, argv, \"a:Ai:m:\")) != -1) {\n"
"        switch (opt) {\n"
"        case \\[aq]a\\[aq]: attr_sched_str = optarg;      break;\n"
"        case \\[aq]A\\[aq]: use_null_attrib = 1;          break;\n"
"        case \\[aq]i\\[aq]: inheritsched_str = optarg;    break;\n"
"        case \\[aq]m\\[aq]: main_sched_str = optarg;      break;\n"
"        default:  usage(argv[0], \"Unrecognized option\\en\");\n"
"        }\n"
"    }\n"
"\\&\n"
"    if (use_null_attrib\n"
"        && (inheritsched_str != NULL || attr_sched_str != NULL))\n"
"    {\n"
"        usage(argv[0], \"Can\\[aq]t specify -A with -i or -a\\en\");\n"
"    }\n"
"\\&\n"
"    /* Optionally set scheduling attributes of main thread,\n"
"       and display the attributes. */\n"
"\\&\n"
"    if (main_sched_str != NULL) {\n"
"        if (!get_policy(main_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for main thread (-m)\\en\");\n"
"        param.sched_priority = strtol(&main_sched_str[1], NULL, 0);\n"
"\\&\n"
"        s = pthread_setschedparam(pthread_self(), policy, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_setschedparam\");\n"
"    }\n"
"\\&\n"
"    display_thread_sched_attr(\"Scheduler settings of main thread\");\n"
"    printf(\"\\en\");\n"
"\\&\n"
"    /* Initialize thread attributes object according to options. */\n"
"\\&\n"
"    attrp = NULL;\n"
"\\&\n"
"    if (!use_null_attrib) {\n"
"        s = pthread_attr_init(&attr);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_init\");\n"
"        attrp = &attr;\n"
"    }\n"
"\\&\n"
"    if (inheritsched_str != NULL) {\n"
"        if (inheritsched_str[0] == \\[aq]e\\[aq])\n"
"            inheritsched = PTHREAD_EXPLICIT_SCHED;\n"
"        else if (inheritsched_str[0] == \\[aq]i\\[aq])\n"
"            inheritsched = PTHREAD_INHERIT_SCHED;\n"
"        else\n"
"            usage(argv[0], \"Value for -i must be \\[aq]e\\[aq] or \\[aq]i\\[aq]\\en\");\n"
"\\&\n"
"        s = pthread_attr_setinheritsched(&attr, inheritsched);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setinheritsched\");\n"
"    }\n"
"\\&\n"
"    if (attr_sched_str != NULL) {\n"
"        if (!get_policy(attr_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for \\[aq]attr\\[aq] (-a)\\en\");\n"
"        param.sched_priority = strtol(&attr_sched_str[1], NULL, 0);\n"
"\\&\n"
"        s = pthread_attr_setschedpolicy(&attr, policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedpolicy\");\n"
"        s = pthread_attr_setschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedparam\");\n"
"    }\n"
"\\&\n"
"    /* If we initialized a thread attributes object, display\n"
"       the scheduling attributes that were set in the object. */\n"
"\\&\n"
"    if (attrp != NULL) {\n"
"        s = pthread_attr_getschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedparam\");\n"
"        s = pthread_attr_getschedpolicy(&attr, &policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedpolicy\");\n"
"\\&\n"
"        printf(\"Scheduler settings in \\[aq]attr\\[aq]\\en\");\n"
"        display_sched_attr(policy, &param);\n"
"\\&\n"
"        pthread_attr_getinheritsched(&attr, &inheritsched);\n"
"        printf(\"    inheritsched is %s\\en\",\n"
"               (inheritsched == PTHREAD_INHERIT_SCHED)  ? \"INHERIT\" :\n"
"               (inheritsched == PTHREAD_EXPLICIT_SCHED) ? \"EXPLICIT\" :\n"
"               \"???\");\n"
"        printf(\"\\en\");\n"
"    }\n"
"\\&\n"
"    /* Create a thread that will display its scheduling attributes. */\n"
"\\&\n"
"    s = pthread_create(&thread, attrp, &thread_start, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_create\");\n"
"\\&\n"
"    /* Destroy unneeded thread attributes object. */\n"
"\\&\n"
"    if (!use_null_attrib) {\n"
"      s = pthread_attr_destroy(&attr);\n"
"      if (s != 0)\n"
"          handle_error_en(s, \"pthread_attr_destroy\");\n"
"    }\n"
"\\&\n"
"    s = pthread_join(thread, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_join\");\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<getrlimit>(2), B<sched_get_priority_min>(2), B<pthread_attr_init>(3), "
"B<pthread_attr_setinheritsched>(3), B<pthread_attr_setschedparam>(3), "
"B<pthread_attr_setschedpolicy>(3), B<pthread_create>(3), B<pthread_self>(3), "
"B<pthread_setschedprio>(3), B<pthreads>(7), B<sched>(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
msgid "POSIX.1-2001, POSIX.1-2008."
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"$ B<su>      # Need privilege to set real-time scheduling policies\n"
"Password:\n"
"# B<./a.out -mf10 -ar20 -i e>\n"
"Scheduler settings of main thread\n"
"    policy=SCHED_FIFO, priority=10\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"Scheduler settings in \\[aq]attr\\[aq]\n"
"    policy=SCHED_RR, priority=20\n"
"    inheritsched is EXPLICIT\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"Scheduler attributes of new thread\n"
"    policy=SCHED_RR, priority=20\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"# B<./a.out -mf10 -ar20 -i i>\n"
"Scheduler settings of main thread\n"
"    policy=SCHED_FIFO, priority=10\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"Scheduler settings in \\[aq]attr\\[aq]\n"
"    policy=SCHED_RR, priority=20\n"
"    inheritsched is INHERIT\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"Scheduler attributes of new thread\n"
"    policy=SCHED_FIFO, priority=10\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "/* pthreads_sched_test.c */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#include E<lt>errno.hE<gt>\n"
"#include E<lt>pthread.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"#define handle_error_en(en, msg) \\e\n"
"        do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0)\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"usage(char *prog_name, char *msg)\n"
"{\n"
"    if (msg != NULL)\n"
"        fputs(msg, stderr);\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    fprintf(stderr, \"Usage: %s [options]\\en\", prog_name);\n"
"    fprintf(stderr, \"Options are:\\en\");\n"
"#define fpe(msg) fprintf(stderr, \"\\et%s\", msg)          /* Shorter */\n"
"    fpe(\"-aE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority in\\en\");\n"
"    fpe(\"                 thread attributes object\\en\");\n"
"    fpe(\"                 E<lt>policyE<gt> can be\\en\");\n"
"    fpe(\"                     f  SCHED_FIFO\\en\");\n"
"    fpe(\"                     r  SCHED_RR\\en\");\n"
"    fpe(\"                     o  SCHED_OTHER\\en\");\n"
"    fpe(\"-A               Use default thread attributes object\\en\");\n"
"    fpe(\"-i {e|i}         Set inherit scheduler attribute to\\en\");\n"
"    fpe(\"                 \\[aq]explicit\\[aq] or \\[aq]inherit\\[aq]\\en\");\n"
"    fpe(\"-mE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority on\\en\");\n"
"    fpe(\"                 main thread before pthread_create() call\\en\");\n"
"    exit(EXIT_FAILURE);\n"
"}\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static int\n"
"get_policy(char p, int *policy)\n"
"{\n"
"    switch (p) {\n"
"    case \\[aq]f\\[aq]: *policy = SCHED_FIFO;     return 1;\n"
"    case \\[aq]r\\[aq]: *policy = SCHED_RR;       return 1;\n"
"    case \\[aq]o\\[aq]: *policy = SCHED_OTHER;    return 1;\n"
"    default:  return 0;\n"
"    }\n"
"}\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"display_sched_attr(int policy, struct sched_param *param)\n"
"{\n"
"    printf(\"    policy=%s, priority=%d\\en\",\n"
"           (policy == SCHED_FIFO)  ? \"SCHED_FIFO\" :\n"
"           (policy == SCHED_RR)    ? \"SCHED_RR\" :\n"
"           (policy == SCHED_OTHER) ? \"SCHED_OTHER\" :\n"
"           \"???\",\n"
"           param-E<gt>sched_priority);\n"
"}\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void\n"
"display_thread_sched_attr(char *msg)\n"
"{\n"
"    int policy, s;\n"
"    struct sched_param param;\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    s = pthread_getschedparam(pthread_self(), &policy, &param);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_getschedparam\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    printf(\"%s\\en\", msg);\n"
"    display_sched_attr(policy, &param);\n"
"}\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"static void *\n"
"thread_start(void *arg)\n"
"{\n"
"    display_thread_sched_attr(\"Scheduler attributes of new thread\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    return NULL;\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 s, opt, inheritsched, use_null_attrib, policy;\n"
"    pthread_t thread;\n"
"    pthread_attr_t attr;\n"
"    pthread_attr_t *attrp;\n"
"    char *attr_sched_str, *main_sched_str, *inheritsched_str;\n"
"    struct sched_param param;\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    /* Process command-line options. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    use_null_attrib = 0;\n"
"    attr_sched_str = NULL;\n"
"    main_sched_str = NULL;\n"
"    inheritsched_str = NULL;\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    while ((opt = getopt(argc, argv, \"a:Ai:m:\")) != -1) {\n"
"        switch (opt) {\n"
"        case \\[aq]a\\[aq]: attr_sched_str = optarg;      break;\n"
"        case \\[aq]A\\[aq]: use_null_attrib = 1;          break;\n"
"        case \\[aq]i\\[aq]: inheritsched_str = optarg;    break;\n"
"        case \\[aq]m\\[aq]: main_sched_str = optarg;      break;\n"
"        default:  usage(argv[0], \"Unrecognized option\\en\");\n"
"        }\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (use_null_attrib\n"
"        && (inheritsched_str != NULL || attr_sched_str != NULL))\n"
"    {\n"
"        usage(argv[0], \"Can\\[aq]t specify -A with -i or -a\\en\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    /* Optionally set scheduling attributes of main thread,\n"
"       and display the attributes. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (main_sched_str != NULL) {\n"
"        if (!get_policy(main_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for main thread (-m)\\en\");\n"
"        param.sched_priority = strtol(&main_sched_str[1], NULL, 0);\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"        s = pthread_setschedparam(pthread_self(), policy, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_setschedparam\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    display_thread_sched_attr(\"Scheduler settings of main thread\");\n"
"    printf(\"\\en\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    /* Initialize thread attributes object according to options. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    attrp = NULL;\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (!use_null_attrib) {\n"
"        s = pthread_attr_init(&attr);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_init\");\n"
"        attrp = &attr;\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (inheritsched_str != NULL) {\n"
"        if (inheritsched_str[0] == \\[aq]e\\[aq])\n"
"            inheritsched = PTHREAD_EXPLICIT_SCHED;\n"
"        else if (inheritsched_str[0] == \\[aq]i\\[aq])\n"
"            inheritsched = PTHREAD_INHERIT_SCHED;\n"
"        else\n"
"            usage(argv[0], \"Value for -i must be \\[aq]e\\[aq] or \\[aq]i\\[aq]\\en\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"        s = pthread_attr_setinheritsched(&attr, inheritsched);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setinheritsched\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (attr_sched_str != NULL) {\n"
"        if (!get_policy(attr_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for \\[aq]attr\\[aq] (-a)\\en\");\n"
"        param.sched_priority = strtol(&attr_sched_str[1], NULL, 0);\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"        s = pthread_attr_setschedpolicy(&attr, policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedpolicy\");\n"
"        s = pthread_attr_setschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedparam\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    /* If we initialized a thread attributes object, display\n"
"       the scheduling attributes that were set in the object. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (attrp != NULL) {\n"
"        s = pthread_attr_getschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedparam\");\n"
"        s = pthread_attr_getschedpolicy(&attr, &policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedpolicy\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"        printf(\"Scheduler settings in \\[aq]attr\\[aq]\\en\");\n"
"        display_sched_attr(policy, &param);\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"        pthread_attr_getinheritsched(&attr, &inheritsched);\n"
"        printf(\"    inheritsched is %s\\en\",\n"
"               (inheritsched == PTHREAD_INHERIT_SCHED)  ? \"INHERIT\" :\n"
"               (inheritsched == PTHREAD_EXPLICIT_SCHED) ? \"EXPLICIT\" :\n"
"               \"???\");\n"
"        printf(\"\\en\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    /* Create a thread that will display its scheduling attributes. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    s = pthread_create(&thread, attrp, &thread_start, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_create\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid "    /* Destroy unneeded thread attributes object. */\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    if (!use_null_attrib) {\n"
"      s = pthread_attr_destroy(&attr);\n"
"      if (s != 0)\n"
"          handle_error_en(s, \"pthread_attr_destroy\");\n"
"    }\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    s = pthread_join(thread, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_join\");\n"
msgstr ""

#. type: Plain text
#: debian-bookworm opensuse-leap-15-6
#, no-wrap
msgid ""
"    exit(EXIT_SUCCESS);\n"
"}\n"
msgstr ""

#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "2023-07-20"
msgstr ""

#. type: TH
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid "Linux man-pages 6.05.01"
msgstr ""

#. type: Plain text
#: debian-unstable opensuse-tumbleweed
#, no-wrap
msgid ""
"/* pthreads_sched_test.c */\n"
"\\&\n"
"#include E<lt>errno.hE<gt>\n"
"#include E<lt>pthread.hE<gt>\n"
"#include E<lt>stdio.hE<gt>\n"
"#include E<lt>stdlib.hE<gt>\n"
"#include E<lt>unistd.hE<gt>\n"
"\\&\n"
"#define handle_error_en(en, msg) \\e\n"
"        do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0)\n"
"\\&\n"
"static void\n"
"usage(char *prog_name, char *msg)\n"
"{\n"
"    if (msg != NULL)\n"
"        fputs(msg, stderr);\n"
"\\&\n"
"    fprintf(stderr, \"Usage: %s [options]\\en\", prog_name);\n"
"    fprintf(stderr, \"Options are:\\en\");\n"
"#define fpe(msg) fprintf(stderr, \"\\et%s\", msg)          /* Shorter */\n"
"    fpe(\"-aE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority in\\en\");\n"
"    fpe(\"                 thread attributes object\\en\");\n"
"    fpe(\"                 E<lt>policyE<gt> can be\\en\");\n"
"    fpe(\"                     f  SCHED_FIFO\\en\");\n"
"    fpe(\"                     r  SCHED_RR\\en\");\n"
"    fpe(\"                     o  SCHED_OTHER\\en\");\n"
"    fpe(\"-A               Use default thread attributes object\\en\");\n"
"    fpe(\"-i {e|i}         Set inherit scheduler attribute to\\en\");\n"
"    fpe(\"                 \\[aq]explicit\\[aq] or \\[aq]inherit\\[aq]\\en\");\n"
"    fpe(\"-mE<lt>policyE<gt>E<lt>prioE<gt> Set scheduling policy and priority on\\en\");\n"
"    fpe(\"                 main thread before pthread_create() call\\en\");\n"
"    exit(EXIT_FAILURE);\n"
"}\n"
"\\&\n"
"static int\n"
"get_policy(char p, int *policy)\n"
"{\n"
"    switch (p) {\n"
"    case \\[aq]f\\[aq]: *policy = SCHED_FIFO;     return 1;\n"
"    case \\[aq]r\\[aq]: *policy = SCHED_RR;       return 1;\n"
"    case \\[aq]o\\[aq]: *policy = SCHED_OTHER;    return 1;\n"
"    default:  return 0;\n"
"    }\n"
"}\n"
"\\&\n"
"static void\n"
"display_sched_attr(int policy, struct sched_param *param)\n"
"{\n"
"    printf(\"    policy=%s, priority=%d\\en\",\n"
"           (policy == SCHED_FIFO)  ? \"SCHED_FIFO\" :\n"
"           (policy == SCHED_RR)    ? \"SCHED_RR\" :\n"
"           (policy == SCHED_OTHER) ? \"SCHED_OTHER\" :\n"
"           \"???\",\n"
"           param-E<gt>sched_priority);\n"
"}\n"
"\\&\n"
"static void\n"
"display_thread_sched_attr(char *msg)\n"
"{\n"
"    int policy, s;\n"
"    struct sched_param param;\n"
"\\&\n"
"    s = pthread_getschedparam(pthread_self(), &policy, &param);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_getschedparam\");\n"
"\\&\n"
"    printf(\"%s\\en\", msg);\n"
"    display_sched_attr(policy, &param);\n"
"}\n"
"\\&\n"
"static void *\n"
"thread_start(void *arg)\n"
"{\n"
"    display_thread_sched_attr(\"Scheduler attributes of new thread\");\n"
"\\&\n"
"    return NULL;\n"
"}\n"
"\\&\n"
"int\n"
"main(int argc, char *argv[])\n"
"{\n"
"    int s, opt, inheritsched, use_null_attrib, policy;\n"
"    pthread_t thread;\n"
"    pthread_attr_t attr;\n"
"    pthread_attr_t *attrp;\n"
"    char *attr_sched_str, *main_sched_str, *inheritsched_str;\n"
"    struct sched_param param;\n"
"\\&\n"
"    /* Process command-line options. */\n"
"\\&\n"
"    use_null_attrib = 0;\n"
"    attr_sched_str = NULL;\n"
"    main_sched_str = NULL;\n"
"    inheritsched_str = NULL;\n"
"\\&\n"
"    while ((opt = getopt(argc, argv, \"a:Ai:m:\")) != -1) {\n"
"        switch (opt) {\n"
"        case \\[aq]a\\[aq]: attr_sched_str = optarg;      break;\n"
"        case \\[aq]A\\[aq]: use_null_attrib = 1;          break;\n"
"        case \\[aq]i\\[aq]: inheritsched_str = optarg;    break;\n"
"        case \\[aq]m\\[aq]: main_sched_str = optarg;      break;\n"
"        default:  usage(argv[0], \"Unrecognized option\\en\");\n"
"        }\n"
"    }\n"
"\\&\n"
"    if (use_null_attrib\n"
"        && (inheritsched_str != NULL || attr_sched_str != NULL))\n"
"    {\n"
"        usage(argv[0], \"Can\\[aq]t specify -A with -i or -a\\en\");\n"
"    }\n"
"\\&\n"
"    /* Optionally set scheduling attributes of main thread,\n"
"       and display the attributes. */\n"
"\\&\n"
"    if (main_sched_str != NULL) {\n"
"        if (!get_policy(main_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for main thread (-m)\\en\");\n"
"        param.sched_priority = strtol(&main_sched_str[1], NULL, 0);\n"
"\\&\n"
"        s = pthread_setschedparam(pthread_self(), policy, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_setschedparam\");\n"
"    }\n"
"\\&\n"
"    display_thread_sched_attr(\"Scheduler settings of main thread\");\n"
"    printf(\"\\en\");\n"
"\\&\n"
"    /* Initialize thread attributes object according to options. */\n"
"\\&\n"
"    attrp = NULL;\n"
"\\&\n"
"    if (!use_null_attrib) {\n"
"        s = pthread_attr_init(&attr);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_init\");\n"
"        attrp = &attr;\n"
"    }\n"
"\\&\n"
"    if (inheritsched_str != NULL) {\n"
"        if (inheritsched_str[0] == \\[aq]e\\[aq])\n"
"            inheritsched = PTHREAD_EXPLICIT_SCHED;\n"
"        else if (inheritsched_str[0] == \\[aq]i\\[aq])\n"
"            inheritsched = PTHREAD_INHERIT_SCHED;\n"
"        else\n"
"            usage(argv[0], \"Value for -i must be \\[aq]e\\[aq] or \\[aq]i\\[aq]\\en\");\n"
"\\&\n"
"        s = pthread_attr_setinheritsched(&attr, inheritsched);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setinheritsched\");\n"
"    }\n"
"\\&\n"
"    if (attr_sched_str != NULL) {\n"
"        if (!get_policy(attr_sched_str[0], &policy))\n"
"            usage(argv[0], \"Bad policy for \\[aq]attr\\[aq] (-a)\\en\");\n"
"        param.sched_priority = strtol(&attr_sched_str[1], NULL, 0);\n"
"\\&\n"
"        s = pthread_attr_setschedpolicy(&attr, policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedpolicy\");\n"
"        s = pthread_attr_setschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_setschedparam\");\n"
"    }\n"
"\\&\n"
"    /* If we initialized a thread attributes object, display\n"
"       the scheduling attributes that were set in the object. */\n"
"\\&\n"
"    if (attrp != NULL) {\n"
"        s = pthread_attr_getschedparam(&attr, &param);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedparam\");\n"
"        s = pthread_attr_getschedpolicy(&attr, &policy);\n"
"        if (s != 0)\n"
"            handle_error_en(s, \"pthread_attr_getschedpolicy\");\n"
"\\&\n"
"        printf(\"Scheduler settings in \\[aq]attr\\[aq]\\en\");\n"
"        display_sched_attr(policy, &param);\n"
"\\&\n"
"        pthread_attr_getinheritsched(&attr, &inheritsched);\n"
"        printf(\"    inheritsched is %s\\en\",\n"
"               (inheritsched == PTHREAD_INHERIT_SCHED)  ? \"INHERIT\" :\n"
"               (inheritsched == PTHREAD_EXPLICIT_SCHED) ? \"EXPLICIT\" :\n"
"               \"???\");\n"
"        printf(\"\\en\");\n"
"    }\n"
"\\&\n"
"    /* Create a thread that will display its scheduling attributes. */\n"
"\\&\n"
"    s = pthread_create(&thread, attrp, &thread_start, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_create\");\n"
"\\&\n"
"    /* Destroy unneeded thread attributes object. */\n"
"\\&\n"
"    if (!use_null_attrib) {\n"
"      s = pthread_attr_destroy(&attr);\n"
"      if (s != 0)\n"
"          handle_error_en(s, \"pthread_attr_destroy\");\n"
"    }\n"
"\\&\n"
"    s = pthread_join(thread, NULL);\n"
"    if (s != 0)\n"
"        handle_error_en(s, \"pthread_join\");\n"
"\\&\n"
"    exit(EXIT_SUCCESS);\n"
"}\n"
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 ""