/****************************************************************************** * * Copyright © International Business Machines Corp., 2009 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * DESCRIPTION * Block on a futex and wait for timeout. * * AUTHOR * Darren Hart * * HISTORY * 2009-Nov-6: Initial version by Darren Hart * *****************************************************************************/ #include #include #include #include #include #include #include "futextest.h" #include "logging.h" static long timeout_ns = 100000; /* 100us default timeout */ void usage(char *prog) { printf("Usage: %s\n", prog); printf(" -c Use color\n"); printf(" -h Display this help message\n"); printf(" -t N Timeout in nanoseconds (default: 100,000)\n"); printf(" -v L Verbosity level: %d=QUIET %d=CRITICAL %d=INFO\n", VQUIET, VCRITICAL, VINFO); } int main(int argc, char *argv[]) { futex_t f1 = FUTEX_INITIALIZER; struct timespec to; int res, ret = RET_PASS; int c; while ((c = getopt(argc, argv, "cht:v:")) != -1) { switch (c) { case 'c': log_color(1); break; case 'h': usage(basename(argv[0])); exit(0); case 't': timeout_ns = atoi(optarg); break; case 'v': log_verbosity(atoi(optarg)); break; default: usage(basename(argv[0])); exit(1); } } printf("%s: Block on a futex and wait for timeout\n", basename(argv[0])); printf("\tArguments: timeout=%ldns\n", timeout_ns); /* initialize timeout */ to.tv_sec = 0; to.tv_nsec = timeout_ns; info("Calling futex_wait on f1: %u @ %p\n", f1, &f1); res = futex_wait(&f1, f1, &to, FUTEX_PRIVATE_FLAG); if (!res || errno != ETIMEDOUT) { fail("futex_wait returned %d\n", ret < 0 ? errno : ret); ret = RET_FAIL; } print_result(ret); return ret; } s='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/pci/ac97/ac97_proc.c'>
path: root/sound/pci/ac97/ac97_proc.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:54:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:54:39 -0800
commit883af14e67e8b8702b5560aa64c888c0cd0bd66c (patch)
tree74e3a6b53f5fad9f7848ab1b9f6921b7012940a4 /sound/pci/ac97/ac97_proc.c
parent0263d4ebd94b36280608e296cba39b924b6e832b (diff)
parentaab45453ff5c77200c6da4ac909f7a4392aed17e (diff)
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton: "26 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (26 commits) MAINTAINERS: add Dan Streetman to zbud maintainers MAINTAINERS: add Dan Streetman to zswap maintainers mm: do not export ioremap_page_range symbol for external module mn10300: fix build error of missing fpu_save() romfs: use different way to generate fsid for BLOCK or MTD frv: add missing atomic64 operations mm, page_alloc: fix premature OOM when racing with cpuset mems update mm, page_alloc: move cpuset seqcount checking to slowpath mm, page_alloc: fix fast-path race with cpuset update or removal mm, page_alloc: fix check for NULL preferred_zone kernel/panic.c: add missing \n fbdev: color map copying bounds checking frv: add atomic64_add_unless() mm/mempolicy.c: do not put mempolicy before using its nodemask radix-tree: fix private list warnings Documentation/filesystems/proc.txt: add VmPin mm, memcg: do not retry precharge charges proc: add a schedule point in proc_pid_readdir() mm: alloc_contig: re-allow CMA to compact FS pages mm/slub.c: trace free objects at KERN_INFO ...
Diffstat (limited to 'sound/pci/ac97/ac97_proc.c')