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Add phtread_setname_np() and pthread_getname_np()

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Justine Tunney 2022-09-07 18:59:00 -07:00
parent 114176c304
commit de511bc71a
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8 changed files with 355 additions and 4 deletions
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test/libc/thread/pthread_setname_np_test.c Normal file
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 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/dce.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/pthread.h"
#include "libc/testlib/testlib.h"
#include "libc/thread/thread.h"
static void *SetName(void *arg) {
ASSERT_EQ(0, pthread_setname_np(pthread_self(), "justine"));
return 0;
}
TEST(pthread_setname_np, SetName_SystemCallSucceeds) {
pthread_t id;
if (!IsLinux() || !IsNetbsd() || !IsFreebsd()) return;
ASSERT_EQ(0, pthread_create(&id, 0, SetName, 0));
ASSERT_EQ(0, pthread_join(id, 0));
}
static void *SetGetNameOfSelf(void *arg) {
char me[16];
ASSERT_EQ(0, pthread_setname_np(pthread_self(), "justine"));
ASSERT_EQ(0, pthread_getname_np(pthread_self(), me, sizeof(me)));
EXPECT_STREQ("justine", me);
return 0;
}
TEST(pthread_setname_np, SetGetNameOfSelf) {
pthread_t id;
if (!IsLinux() || !IsNetbsd()) return;
ASSERT_EQ(0, pthread_create(&id, 0, SetGetNameOfSelf, 0));
ASSERT_EQ(0, pthread_join(id, 0));
}
static void *GetDefaultName(void *arg) {
char me[16];
ASSERT_EQ(0, pthread_getname_np(pthread_self(), me, sizeof(me)));
EXPECT_STREQ("", me);
return 0;
}
TEST(pthread_setname_np, GetDefaultName_IsEmptyString) {
pthread_t id;
if (!IsLinux() || !IsNetbsd()) return;
ASSERT_EQ(0, pthread_create(&id, 0, GetDefaultName, 0));
ASSERT_EQ(0, pthread_join(id, 0));
}
_Atomic(char) sync1, sync2;
static void *GetNameOfOtherThreadWorker(void *arg) {
pthread_setname_np(pthread_self(), "justine");
atomic_store(&sync1, 1);
while (!atomic_load(&sync2)) pthread_yield();
return 0;
}
TEST(pthread_setname_np, GetNameOfOtherThread) {
char me[16];
pthread_t id;
if (!IsLinux() || !IsNetbsd()) return;
ASSERT_EQ(0, pthread_create(&id, 0, GetNameOfOtherThreadWorker, 0));
while (!atomic_load(&sync1)) pthread_yield();
ASSERT_EQ(0, pthread_getname_np(id, me, sizeof(me)));
EXPECT_STREQ("justine", me);
ASSERT_EQ(0, pthread_setname_np(id, "tunney"));
ASSERT_EQ(0, pthread_getname_np(id, me, sizeof(me)));
EXPECT_STREQ("tunney", me);
atomic_store(&sync2, 1);
ASSERT_EQ(0, pthread_join(id, 0));
}