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Allow pthread_condattr_setpshared() to set shared

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Justine Tunney 2024-07-22 18:41:45 -07:00
parent 0a9a6f86bb
commit 61c36c1dd6
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GPG key ID: BE714B4575D6E328
2 changed files with 61 additions and 1 deletions
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3
libc/thread/pthread_condattr_setpshared.c
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@ -24,12 +24,13 @@
*
* @param pshared can be one of
* - `PTHREAD_PROCESS_PRIVATE` (default)
* - `PTHREAD_PROCESS_SHARED` (unsupported)
* - `PTHREAD_PROCESS_SHARED`
* @return 0 on success, or error on failure
* @raises EINVAL if `pshared` is invalid
*/
errno_t pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared) {
switch (pshared) {
case PTHREAD_PROCESS_SHARED:
case PTHREAD_PROCESS_PRIVATE:
*attr = pshared;
return 0;

59
test/libc/thread/pthread_setaffinity_np_test.c Normal file
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@ -0,0 +1,59 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2024 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/struct/cpuset.h"
#include "libc/dce.h"
#include "libc/runtime/runtime.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/thread.h"
#include "libc/thread/thread2.h"
TEST(pthread_setaffinity_np, test) {
// works on almost nothing
if (IsXnu())
return;
if (IsNetbsd())
return;
if (IsOpenbsd())
return;
if (__get_cpu_count() < 2)
return;
// save bitset
cpu_set_t old;
if (!IsWindows())
ASSERT_EQ(0, pthread_getaffinity_np(pthread_self(), sizeof(old), &old));
// go to first cpu
cpu_set_t bitset;
CPU_ZERO(&bitset);
CPU_SET(0, &bitset);
ASSERT_EQ(0, pthread_setaffinity_np(pthread_self(), sizeof(bitset), &bitset));
ASSERT_EQ(0, sched_getcpu());
// go to second cpu
CPU_ZERO(&bitset);
CPU_SET(1, &bitset);
ASSERT_EQ(0, pthread_setaffinity_np(pthread_self(), sizeof(bitset), &bitset));
ASSERT_EQ(1, sched_getcpu());
// restore bitset
if (!IsWindows())
ASSERT_EQ(0, pthread_setaffinity_np(pthread_self(), sizeof(old), &old));
}