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comparison third_party/libuv/test/test-platform-output.c @ 160:948de3f54cea

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[ThirdParty] Added libuv
author June Park <parkjune1995@gmail.com>
date Wed, 14 Jan 2026 19:39:52 -0800
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159:05cf9467a1c3 160:948de3f54cea
1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include "uv.h"
23 #include "task.h"
24 #include <string.h>
25
26
27 TEST_IMPL(platform_output) {
28 char buffer[512];
29 size_t rss;
30 size_t size;
31 double uptime;
32 uv_pid_t pid;
33 uv_pid_t ppid;
34 uv_rusage_t rusage;
35 uv_cpu_info_t* cpus;
36 uv_interface_address_t* interfaces;
37 uv_passwd_t pwd;
38 uv_group_t grp;
39 uv_utsname_t uname;
40 unsigned par;
41 char* const* member;
42 int count;
43 int i;
44 int err;
45
46 err = uv_get_process_title(buffer, sizeof(buffer));
47 ASSERT_OK(err);
48 printf("uv_get_process_title: %s\n", buffer);
49
50 size = sizeof(buffer);
51 err = uv_cwd(buffer, &size);
52 ASSERT_OK(err);
53 printf("uv_cwd: %s\n", buffer);
54
55 err = uv_resident_set_memory(&rss);
56 #if defined(__MSYS__)
57 ASSERT_EQ(err, UV_ENOSYS);
58 #else
59 ASSERT_OK(err);
60 printf("uv_resident_set_memory: %llu\n", (unsigned long long) rss);
61 #endif
62
63 err = uv_uptime(&uptime);
64 #if defined(__PASE__)
65 ASSERT_EQ(err, UV_ENOSYS);
66 #else
67 ASSERT_OK(err);
68 ASSERT_GT(uptime, 0);
69 printf("uv_uptime: %f\n", uptime);
70 #endif
71
72 err = uv_getrusage(&rusage);
73 ASSERT_OK(err);
74 ASSERT_GE(rusage.ru_utime.tv_sec, 0);
75 ASSERT_GE(rusage.ru_utime.tv_usec, 0);
76 ASSERT_GE(rusage.ru_stime.tv_sec, 0);
77 ASSERT_GE(rusage.ru_stime.tv_usec, 0);
78 printf("uv_getrusage:\n");
79 printf(" user: %llu sec %llu microsec\n",
80 (unsigned long long) rusage.ru_utime.tv_sec,
81 (unsigned long long) rusage.ru_utime.tv_usec);
82 printf(" system: %llu sec %llu microsec\n",
83 (unsigned long long) rusage.ru_stime.tv_sec,
84 (unsigned long long) rusage.ru_stime.tv_usec);
85 printf(" page faults: %llu\n", (unsigned long long) rusage.ru_majflt);
86 printf(" maximum resident set size: %llu\n",
87 (unsigned long long) rusage.ru_maxrss);
88
89 par = uv_available_parallelism();
90 ASSERT_GE(par, 1);
91 printf("uv_available_parallelism: %u\n", par);
92
93 #ifdef __linux__
94 FILE* file;
95 int cgroup_version = 0;
96 unsigned int cgroup_par = 0;
97 uint64_t quota, period;
98
99 // Attempt to parse cgroup v2 to deduce parallelism constraints
100 file = fopen("/sys/fs/cgroup/cpu.max", "r");
101 if (file) {
102 if (fscanf(file, "%lu %lu", &quota, &period) == 2 && quota > 0) {
103 cgroup_version = 2;
104 cgroup_par = (unsigned int)(quota / period);
105 }
106 fclose(file);
107 }
108
109 // If cgroup v2 wasn't present, try parsing cgroup v1
110 if (cgroup_version == 0) {
111 file = fopen("/sys/fs/cgroup/cpu,cpuacct/cpu.cfs_quota_us", "r");
112 if (file) {
113 if (fscanf(file, "%lu", &quota) == 1 && quota > 0 && quota < ~0ULL) {
114 fclose(file);
115 file = fopen("/sys/fs/cgroup/cpu,cpuacct/cpu.cfs_period_us", "r");
116 if (file && fscanf(file, "%lu", &period) == 1) {
117 cgroup_version = 1;
118 cgroup_par = (unsigned int)(quota / period);
119 }
120 }
121 if (file) fclose(file);
122 }
123 }
124
125 // If we found cgroup parallelism constraints, assert and print them
126 if (cgroup_par > 0) {
127 ASSERT_GE(par, cgroup_par);
128 printf("cgroup v%d available parallelism: %u\n", cgroup_version, cgroup_par);
129 }
130 #endif
131
132 err = uv_cpu_info(&cpus, &count);
133 #if defined(__CYGWIN__) || defined(__MSYS__)
134 ASSERT_EQ(err, UV_ENOSYS);
135 #else
136 ASSERT_OK(err);
137
138 printf("uv_cpu_info:\n");
139 for (i = 0; i < count; i++) {
140 printf(" model: %s\n", cpus[i].model);
141 printf(" speed: %d\n", cpus[i].speed);
142 printf(" times.sys: %llu\n", (unsigned long long) cpus[i].cpu_times.sys);
143 printf(" times.user: %llu\n",
144 (unsigned long long) cpus[i].cpu_times.user);
145 printf(" times.idle: %llu\n",
146 (unsigned long long) cpus[i].cpu_times.idle);
147 printf(" times.irq: %llu\n", (unsigned long long) cpus[i].cpu_times.irq);
148 printf(" times.nice: %llu\n",
149 (unsigned long long) cpus[i].cpu_times.nice);
150 }
151 #endif
152 uv_free_cpu_info(cpus, count);
153
154 err = uv_interface_addresses(&interfaces, &count);
155 ASSERT_OK(err);
156
157 printf("uv_interface_addresses:\n");
158 for (i = 0; i < count; i++) {
159 printf(" name: %s\n", interfaces[i].name);
160 printf(" internal: %d\n", interfaces[i].is_internal);
161 printf(" physical address: ");
162 printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
163 (unsigned char)interfaces[i].phys_addr[0],
164 (unsigned char)interfaces[i].phys_addr[1],
165 (unsigned char)interfaces[i].phys_addr[2],
166 (unsigned char)interfaces[i].phys_addr[3],
167 (unsigned char)interfaces[i].phys_addr[4],
168 (unsigned char)interfaces[i].phys_addr[5]);
169
170 if (interfaces[i].address.address4.sin_family == AF_INET) {
171 uv_ip4_name(&interfaces[i].address.address4, buffer, sizeof(buffer));
172 } else if (interfaces[i].address.address4.sin_family == AF_INET6) {
173 uv_ip6_name(&interfaces[i].address.address6, buffer, sizeof(buffer));
174 }
175
176 printf(" address: %s\n", buffer);
177
178 if (interfaces[i].netmask.netmask4.sin_family == AF_INET) {
179 uv_ip4_name(&interfaces[i].netmask.netmask4, buffer, sizeof(buffer));
180 printf(" netmask: %s\n", buffer);
181 } else if (interfaces[i].netmask.netmask4.sin_family == AF_INET6) {
182 uv_ip6_name(&interfaces[i].netmask.netmask6, buffer, sizeof(buffer));
183 printf(" netmask: %s\n", buffer);
184 } else {
185 printf(" netmask: none\n");
186 }
187 }
188 uv_free_interface_addresses(interfaces, count);
189
190 err = uv_os_get_passwd(&pwd);
191 ASSERT_OK(err);
192
193 err = uv_os_get_group(&grp, pwd.gid);
194 #if defined(_WIN32)
195 ASSERT_EQ(err, UV_ENOTSUP);
196 ASSERT_EQ(pwd.uid, (unsigned long) -1);
197 ASSERT_EQ(pwd.gid, (unsigned long) -1);
198 (void) member;
199 grp.groupname = "ENOTSUP";
200 #else
201 ASSERT_OK(err);
202 ASSERT_EQ(pwd.gid, grp.gid);
203 #endif
204
205 printf("uv_os_get_passwd:\n");
206 printf(" euid: %ld\n", pwd.uid);
207 printf(" gid: %ld (%s)\n", pwd.gid, grp.groupname);
208 #if !defined(_WIN32)
209 printf(" members: [");
210 for (member = grp.members; *member != NULL; member++) {
211 printf(" %s", *member);
212 }
213 printf(" ]\n");
214 #endif
215 printf(" username: %s\n", pwd.username);
216 if (pwd.shell != NULL) /* Not set on Windows */
217 printf(" shell: %s\n", pwd.shell);
218 printf(" home directory: %s\n", pwd.homedir);
219 uv_os_free_passwd(&pwd);
220 #if !defined(_WIN32)
221 uv_os_free_group(&grp);
222 #endif
223
224 pid = uv_os_getpid();
225 ASSERT_GT(pid, 0);
226 printf("uv_os_getpid: %d\n", (int) pid);
227 ppid = uv_os_getppid();
228 ASSERT_GT(ppid, 0);
229 printf("uv_os_getppid: %d\n", (int) ppid);
230
231 err = uv_os_uname(&uname);
232 ASSERT_OK(err);
233 printf("uv_os_uname:\n");
234 printf(" sysname: %s\n", uname.sysname);
235 printf(" release: %s\n", uname.release);
236 printf(" version: %s\n", uname.version);
237 printf(" machine: %s\n", uname.machine);
238
239 err = uv_getrusage_thread(&rusage);
240 if (err != UV_ENOTSUP) {
241 ASSERT_OK(err);
242 ASSERT_UINT64_GE(rusage.ru_utime.tv_sec, 0);
243 ASSERT_UINT64_GE(rusage.ru_utime.tv_usec, 0);
244 ASSERT_UINT64_GE(rusage.ru_stime.tv_sec, 0);
245 ASSERT_UINT64_GE(rusage.ru_stime.tv_usec, 0);
246 printf("uv_getrusage_thread:\n");
247 printf(" user: %llu sec %llu microsec\n",
248 (unsigned long long) rusage.ru_utime.tv_sec,
249 (unsigned long long) rusage.ru_utime.tv_usec);
250 printf(" system: %llu sec %llu microsec\n",
251 (unsigned long long) rusage.ru_stime.tv_sec,
252 (unsigned long long) rusage.ru_stime.tv_usec);
253 printf(" page faults: %llu\n", (unsigned long long) rusage.ru_majflt);
254 printf(" maximum resident set size: %llu\n",
255 (unsigned long long) rusage.ru_maxrss);
256 }
257
258 return 0;
259 }