uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK);
unsigned int multiplier = ((uint64_t)1000L / ticks);
unsigned int cur = 0;
uv_cpu_info_t* cpu_info;
u_int64_t* cp_times;
char model[512];
u_int64_t cpuspeed;
int numcpus;
size_t size;
int i;
size = sizeof(model);
if (sysctlbyname("machdep.cpu_brand", &model, &size, NULL, 0) == -1 &&
sysctlbyname("hw.model", &model, &size, NULL, 0) == -1) {
return uv__new_sys_error(errno);
}
size = sizeof(numcpus);
if (sysctlbyname("hw.ncpu", &numcpus, &size, NULL, 0) == -1) {
return uv__new_sys_error(errno);
}
*count = numcpus;
/* Only i386 and amd64 have machdep.tsc_freq */
size = sizeof(cpuspeed);
if (sysctlbyname("machdep.tsc_freq", &cpuspeed, &size, NULL, 0) == -1) {
cpuspeed = 0;
}
size = numcpus * CPUSTATES * sizeof(*cp_times);
cp_times = malloc(size);
if (cp_times == NULL) {
return uv__new_artificial_error(UV_ENOMEM);
}
if (sysctlbyname("kern.cp_time", cp_times, &size, NULL, 0) == -1) {
return uv__new_sys_error(errno);
}
*cpu_infos = malloc(numcpus * sizeof(**cpu_infos));
if (!(*cpu_infos)) {
free(cp_times);
free(*cpu_infos);
return uv__new_artificial_error(UV_ENOMEM);
}
for (i = 0; i < numcpus; i++) {
cpu_info = &(*cpu_infos)[i];
cpu_info->cpu_times.user = (uint64_t)(cp_times[CP_USER+cur]) * multiplier;
cpu_info->cpu_times.nice = (uint64_t)(cp_times[CP_NICE+cur]) * multiplier;
cpu_info->cpu_times.sys = (uint64_t)(cp_times[CP_SYS+cur]) * multiplier;
cpu_info->cpu_times.idle = (uint64_t)(cp_times[CP_IDLE+cur]) * multiplier;
cpu_info->cpu_times.irq = (uint64_t)(cp_times[CP_INTR+cur]) * multiplier;
cpu_info->model = strdup(model);
cpu_info->speed = (int)(cpuspeed/(uint64_t) 1e6);
cur += CPUSTATES;
}
free(cp_times);
return uv_ok_;
}
uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int numcpus;
uv_cpu_info_t* ci;
*cpu_infos = NULL;
*count = 0;
numcpus = sysconf(_SC_NPROCESSORS_ONLN);
assert(numcpus != (unsigned int)-1);
assert(numcpus != 0);
ci = calloc(numcpus, sizeof(*ci));
if (ci == NULL) return uv__new_sys_error(ENOMEM);
if (read_models(numcpus, ci)) {
SAVE_ERRNO(uv_free_cpu_info(ci, numcpus));
return uv__new_sys_error(errno);
}
if (read_times(numcpus, ci)) {
SAVE_ERRNO(uv_free_cpu_info(ci, numcpus));
return uv__new_sys_error(errno);
}
/* read_models() on x86 also reads the CPU speed from /proc/cpuinfo.
* We don't check for errors here. Worst case, the field is left zero.
*/
if (ci[0].speed == 0) read_speeds(numcpus, ci);
*cpu_infos = ci;
*count = numcpus;
return uv_ok_;
}
uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
multiplier = ((uint64_t)1000L / ticks), cpuspeed;
uint64_t info[CPUSTATES];
char model[512];
int numcpus = 1;
static int which[] = {CTL_HW,HW_MODEL,0};
size_t size;
int i;
uv_cpu_info_t* cpu_info;
size = sizeof(model);
if (sysctl(which, 2, &model, &size, NULL, 0) < 0) {
return uv__new_sys_error(errno);
}
which[1] = HW_NCPU;
size = sizeof(numcpus);
if (sysctl(which, 2, &numcpus, &size, NULL, 0) < 0) {
return uv__new_sys_error(errno);
}
*cpu_infos = (uv_cpu_info_t*)malloc(numcpus * sizeof(uv_cpu_info_t));
if (!(*cpu_infos)) {
return uv__new_artificial_error(UV_ENOMEM);
}
*count = numcpus;
which[1] = HW_CPUSPEED;
size = sizeof(cpuspeed);
if (sysctl(which, 2, &cpuspeed, &size, NULL, 0) < 0) {
free(*cpu_infos);
return uv__new_sys_error(errno);
}
size = sizeof(info);
which[0] = CTL_KERN;
which[1] = KERN_CPTIME2;
for (i = 0; i < numcpus; i++) {
which[2] = i;
size = sizeof(info);
if (sysctl(which, 3, &info, &size, NULL, 0) < 0) {
free(*cpu_infos);
return uv__new_sys_error(errno);
}
cpu_info = &(*cpu_infos)[i];
cpu_info->cpu_times.user = (uint64_t)(info[CP_USER]) * multiplier;
cpu_info->cpu_times.nice = (uint64_t)(info[CP_NICE]) * multiplier;
cpu_info->cpu_times.sys = (uint64_t)(info[CP_SYS]) * multiplier;
cpu_info->cpu_times.idle = (uint64_t)(info[CP_IDLE]) * multiplier;
cpu_info->cpu_times.irq = (uint64_t)(info[CP_INTR]) * multiplier;
cpu_info->model = strdup(model);
cpu_info->speed = cpuspeed;
}
return uv_ok_;
}
static uv_err_t uv__kill(HANDLE process_handle, int signum) {
DWORD status;
uv_err_t err;
if (signum == SIGTERM || signum == SIGKILL || signum == SIGINT) {
/* Kill the process. On Windows, killed processes normally return 1. */
if (TerminateProcess(process_handle, 1)) {
err = uv_ok_;
} else {
err = uv__new_sys_error(GetLastError());
}
} else if (signum == 0) {
/* Health check: is the process still alive? */
if (GetExitCodeProcess(process_handle, &status)) {
if (status == STILL_ACTIVE) {
err = uv_ok_;
} else {
err = uv__new_artificial_error(UV_ESRCH);
}
} else {
err = uv__new_sys_error(GetLastError());
}
} else {
err = uv__new_artificial_error(UV_ENOSYS);
}
return err;
}
uv_err_t uv_resident_set_memory(size_t* rss) {
char buf[1024];
const char* s;
ssize_t n;
long val;
int fd;
int i;
do
fd = open("/proc/self/stat", O_RDONLY);
while (fd == -1 && errno == EINTR);
if (fd == -1)
return uv__new_sys_error(errno);
do
n = read(fd, buf, sizeof(buf) - 1);
while (n == -1 && errno == EINTR);
SAVE_ERRNO(close(fd));
if (n == -1)
return uv__new_sys_error(errno);
buf[n] = '\0';
s = strchr(buf, ' ');
if (s == NULL)
goto err;
s += 1;
if (*s != '(')
goto err;
s = strchr(s, ')');
if (s == NULL)
goto err;
for (i = 1; i <= 22; i++) {
s = strchr(s + 1, ' ');
if (s == NULL)
goto err;
}
errno = 0;
val = strtol(s, NULL, 10);
if (errno != 0)
goto err;
if (val < 0)
goto err;
*rss = val * getpagesize();
return uv_ok_;
err:
return uv__new_artificial_error(UV_EINVAL);
}
uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int ticks = (unsigned int)sysconf(_SC_CLK_TCK),
multiplier = ((uint64_t)1000L / ticks);
char model[512];
uint64_t cpuspeed;
size_t size;
unsigned int i;
natural_t numcpus;
mach_msg_type_number_t msg_type;
processor_cpu_load_info_data_t *info;
uv_cpu_info_t* cpu_info;
size = sizeof(model);
if (sysctlbyname("machdep.cpu.brand_string", &model, &size, NULL, 0) < 0 &&
sysctlbyname("hw.model", &model, &size, NULL, 0) < 0) {
return uv__new_sys_error(errno);
}
size = sizeof(cpuspeed);
if (sysctlbyname("hw.cpufrequency", &cpuspeed, &size, NULL, 0) < 0) {
return uv__new_sys_error(errno);
}
if (host_processor_info(mach_host_self(), PROCESSOR_CPU_LOAD_INFO, &numcpus,
(processor_info_array_t*)&info,
&msg_type) != KERN_SUCCESS) {
return uv__new_sys_error(errno);
}
*cpu_infos = (uv_cpu_info_t*)malloc(numcpus * sizeof(uv_cpu_info_t));
if (!(*cpu_infos)) {
return uv__new_artificial_error(UV_ENOMEM);
}
*count = numcpus;
for (i = 0; i < numcpus; i++) {
cpu_info = &(*cpu_infos)[i];
cpu_info->cpu_times.user = (uint64_t)(info[i].cpu_ticks[0]) * multiplier;
cpu_info->cpu_times.nice = (uint64_t)(info[i].cpu_ticks[3]) * multiplier;
cpu_info->cpu_times.sys = (uint64_t)(info[i].cpu_ticks[1]) * multiplier;
cpu_info->cpu_times.idle = (uint64_t)(info[i].cpu_ticks[2]) * multiplier;
cpu_info->cpu_times.irq = 0;
cpu_info->model = strdup(model);
cpu_info->speed = cpuspeed/1000000;
}
vm_deallocate(mach_task_self(), (vm_address_t)info, msg_type);
return uv_ok_;
}
uv_err_t uv_stdio_pipe_server(uv_loop_t* loop, uv_pipe_t* handle, DWORD access,
char* name, size_t nameSize) {
HANDLE pipeHandle;
int errorno;
uv_err_t err;
char* ptr = (char*)handle;
for (;;) {
uv_unique_pipe_name(ptr, name, nameSize);
pipeHandle = CreateNamedPipeA(name,
access | FILE_FLAG_OVERLAPPED | FILE_FLAG_FIRST_PIPE_INSTANCE,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT, 1, 65536, 65536, 0,
NULL);
if (pipeHandle != INVALID_HANDLE_VALUE) {
/* No name collisions. We're done. */
break;
}
errorno = GetLastError();
if (errorno != ERROR_PIPE_BUSY && errorno != ERROR_ACCESS_DENIED) {
err = uv__new_sys_error(errorno);
goto error;
}
/* Pipe name collision. Increment the pointer and try again. */
ptr++;
}
if (CreateIoCompletionPort(pipeHandle,
loop->iocp,
(ULONG_PTR)handle,
0) == NULL) {
err = uv__new_sys_error(GetLastError());
goto error;
}
uv_pipe_connection_init(handle);
handle->handle = pipeHandle;
return uv_ok_;
error:
if (pipeHandle != INVALID_HANDLE_VALUE) {
CloseHandle(pipeHandle);
}
return err;
}
uv_err_t uv_dlclose(uv_lib_t library) {
if (!FreeLibrary(library)) {
return uv__new_sys_error(GetLastError());
}
return uv_ok_;
}
uv_err_t uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
unsigned int numcpus;
uv_cpu_info_t* ci;
*cpu_infos = NULL;
*count = 0;
numcpus = sysconf(_SC_NPROCESSORS_ONLN);
assert(numcpus != (unsigned int) -1);
assert(numcpus != 0);
ci = calloc(numcpus, sizeof(*ci));
if (ci == NULL)
return uv__new_sys_error(ENOMEM);
read_models(numcpus, ci);
read_times(numcpus, ci);
/* read_models() on x86 also reads the CPU speed from /proc/cpuinfo */
if (ci[0].speed == 0)
read_speeds(numcpus, ci);
*cpu_infos = ci;
*count = numcpus;
return uv_ok_;
}
uv_err_t uv_resident_set_memory(size_t* rss) {
kvm_t *kd = NULL;
struct kinfo_proc *kinfo = NULL;
pid_t pid;
int nprocs;
size_t page_size = getpagesize();
pid = getpid();
kd = kvm_open(NULL, _PATH_DEVNULL, NULL, O_RDONLY, "kvm_open");
if (kd == NULL) goto error;
kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, &nprocs);
if (kinfo == NULL) goto error;
#ifdef __DragonFly__
*rss = kinfo->kp_vm_rssize * page_size;
#else
*rss = kinfo->ki_rssize * page_size;
#endif
kvm_close(kd);
return uv_ok_;
error:
if (kd) kvm_close(kd);
return uv__new_sys_error(errno);
}
uv_err_t uv_chdir(const char* dir) {
if (chdir(dir) == 0) {
return uv_ok_;
} else {
return uv__new_sys_error(errno);
}
}
uv_err_t uv_resident_set_memory(size_t* rss) {
kvm_t *kd = NULL;
struct kinfo_proc *kinfo = NULL;
pid_t pid;
int nprocs, max_size = sizeof(struct kinfo_proc);
size_t page_size = getpagesize();
pid = getpid();
kd = kvm_open(NULL, _PATH_MEM, NULL, O_RDONLY, "kvm_open");
if (kd == NULL) goto error;
kinfo = kvm_getprocs(kd, KERN_PROC_PID, pid, max_size, &nprocs);
if (kinfo == NULL) goto error;
*rss = kinfo->p_vm_rssize * page_size;
kvm_close(kd);
return uv_ok_;
error:
if (kd) kvm_close(kd);
return uv__new_sys_error(errno);
}
static uv_err_t uv_utf8_to_utf16_alloc(const char* s, WCHAR** ws_ptr) {
int ws_len, r;
WCHAR* ws;
ws_len = MultiByteToWideChar(CP_UTF8,
0,
s,
-1,
NULL,
0);
if (ws_len <= 0) {
return uv__new_sys_error(GetLastError());
}
ws = (WCHAR*) malloc(ws_len * sizeof(WCHAR));
if (ws == NULL) {
return uv__new_artificial_error(UV_ENOMEM);
}
r = MultiByteToWideChar(CP_UTF8,
0,
s,
-1,
ws,
ws_len);
assert(r == ws_len);
*ws_ptr = ws;
return uv_ok_;
}
uv_err_t uv_set_process_title(const char* title) {
uv_err_t err;
int length;
wchar_t* title_w = NULL;
uv__once_init();
/* Find out how big the buffer for the wide-char title must be */
length = uv_utf8_to_utf16(title, NULL, 0);
if (!length) {
err = uv__new_sys_error(GetLastError());
goto done;
}
/* Convert to wide-char string */
title_w = (wchar_t*)malloc(sizeof(wchar_t) * length);
if (!title_w) {
uv_fatal_error(ERROR_OUTOFMEMORY, "malloc");
}
length = uv_utf8_to_utf16(title, title_w, length);
if (!length) {
err = uv__new_sys_error(GetLastError());
goto done;
};
/* If the title must be truncated insert a \0 terminator there */
if (length > MAX_TITLE_LENGTH) {
title_w[MAX_TITLE_LENGTH - 1] = L'\0';
}
if (!SetConsoleTitleW(title_w)) {
err = uv__new_sys_error(GetLastError());
goto done;
}
EnterCriticalSection(&process_title_lock);
free(process_title);
process_title = strdup(title);
LeaveCriticalSection(&process_title_lock);
err = uv_ok_;
done:
free(title_w);
return err;
}
uv_err_t uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
struct ifaddrs *addrs;
struct ifaddrs *ent;
uv_interface_address_t* address;
if (getifaddrs(&addrs) != 0) {
return uv__new_sys_error(errno);
}
*count = 0;
/* Count the number of interfaces */
for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
if (!(ent->ifa_flags & IFF_UP && ent->ifa_flags & IFF_RUNNING) ||
(ent->ifa_addr == NULL) ||
(ent->ifa_addr->sa_family != PF_INET)) {
continue;
}
(*count)++;
}
*addresses = malloc(*count * sizeof(**addresses));
if (!(*addresses)) {
return uv__new_artificial_error(UV_ENOMEM);
}
address = *addresses;
for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
if (!(ent->ifa_flags & IFF_UP && ent->ifa_flags & IFF_RUNNING)) {
continue;
}
if (ent->ifa_addr == NULL) {
continue;
}
if (ent->ifa_addr->sa_family != PF_INET) {
continue;
}
address->name = strdup(ent->ifa_name);
if (ent->ifa_addr->sa_family == AF_INET6) {
address->address.address6 = *((struct sockaddr_in6 *)ent->ifa_addr);
} else {
address->address.address4 = *((struct sockaddr_in *)ent->ifa_addr);
}
address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK) ? 1 : 0;
address++;
}
freeifaddrs(addrs);
return uv_ok_;
}
uv_err_t uv_kill(int pid, int signum) {
int r = kill(pid, signum);
if (r) {
return uv__new_sys_error(errno);
} else {
return uv_ok_;
}
}
uv_err_t uv_uptime(double* uptime) {
#ifdef CLOCK_MONOTONIC
struct timespec now;
if (0 == clock_gettime(CLOCK_MONOTONIC, &now)) {
*uptime = now.tv_sec;
*uptime += (double)now.tv_nsec / 1000000000.0;
return uv_ok_;
}
return uv__new_sys_error(errno);
#else
struct sysinfo info;
if (sysinfo(&info) < 0) {
return uv__new_sys_error(errno);
}
*uptime = (double)info.uptime;
return uv_ok_;
#endif
}
uv_err_t uv_dlsym(uv_lib_t library, const char* name, void** ptr) {
FARPROC proc = GetProcAddress(library, name);
if (proc == NULL) {
return uv__new_sys_error(GetLastError());
}
*ptr = (void*) proc;
return uv_ok_;
}
uv_err_t uv_dlopen(const char* filename, uv_lib_t* library) {
wchar_t filename_w[32768];
HMODULE handle;
if (!uv_utf8_to_utf16(filename,
filename_w,
sizeof(filename_w) / sizeof(wchar_t))) {
return uv__new_sys_error(GetLastError());
}
handle = LoadLibraryW(filename_w);
if (handle == NULL) {
return uv__new_sys_error(GetLastError());
}
*library = handle;
return uv_ok_;
}
uv_err_t uv_cwd(char* buffer, size_t size) {
DWORD utf16_len;
WCHAR utf16_buffer[MAX_PATH];
int r;
if (buffer == NULL || size == 0) {
return uv__new_artificial_error(UV_EINVAL);
}
utf16_len = GetCurrentDirectoryW(MAX_PATH, utf16_buffer);
if (utf16_len == 0) {
return uv__new_sys_error(GetLastError());
} else if (utf16_len > MAX_PATH) {
/* This should be impossible; however the CRT has a code path to deal */
/* with this scenario, so I added a check anyway. */
return uv__new_artificial_error(UV_EIO);
}
/* utf16_len contains the length, *not* including the terminating null. */
utf16_buffer[utf16_len] = L'\0';
/* The returned directory should not have a trailing slash, unless it */
/* points at a drive root, like c:\. Remove it if needed.*/
if (utf16_buffer[utf16_len - 1] == L'\\' &&
!(utf16_len == 3 && utf16_buffer[1] == L':')) {
utf16_len--;
utf16_buffer[utf16_len] = L'\0';
}
/* Convert to UTF-8 */
r = WideCharToMultiByte(CP_UTF8,
0,
utf16_buffer,
-1,
buffer,
size > INT_MAX ? INT_MAX : (int) size,
NULL,
NULL);
if (r == 0) {
return uv__new_sys_error(GetLastError());
}
return uv_ok_;
}
uv_err_t uv_resident_set_memory(size_t* rss) {
psinfo_t psinfo;
uv_err_t err;
int fd;
fd = open("/proc/self/psinfo", O_RDONLY);
if (fd == -1) return uv__new_sys_error(errno);
err = uv_ok_;
if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo))
*rss = (size_t)psinfo.pr_rssize * 1024;
else
err = uv__new_sys_error(EINVAL);
close(fd);
return err;
}
static uv_err_t uv__kill(HANDLE process_handle, int signum) {
switch (signum) {
case SIGTERM:
case SIGKILL:
case SIGINT: {
/* Unconditionally terminate the process. On Windows, killed processes */
/* normally return 1. */
DWORD error, status;
if (TerminateProcess(process_handle, 1))
return uv_ok_;
/* If the process already exited before TerminateProcess was called, */
/* TerminateProcess will fail with ERROR_ACESS_DENIED. */
error = GetLastError();
if (error == ERROR_ACCESS_DENIED &&
GetExitCodeProcess(process_handle, &status) &&
status != STILL_ACTIVE) {
return uv__new_artificial_error(UV_ESRCH);
}
return uv__new_sys_error(error);
}
case 0: {
/* Health check: is the process still alive? */
DWORD status;
if (!GetExitCodeProcess(process_handle, &status))
return uv__new_sys_error(GetLastError());
if (status != STILL_ACTIVE)
return uv__new_artificial_error(UV_ESRCH);
return uv_ok_;
}
default:
/* Unsupported signal. */
return uv__new_artificial_error(UV_ENOSYS);
}
}
uv_err_t uv_cwd(char* buffer, size_t size) {
if (!buffer || !size) {
return uv__new_artificial_error(UV_EINVAL);
}
if (getcwd(buffer, size)) {
return uv_ok_;
} else {
return uv__new_sys_error(errno);
}
}
uv_err_t uv_chdir(const char* dir) {
uv_err_t err;
wchar_t* utf16Buffer = NULL;
size_t utf16Size;
if (!dir) {
err.code = UV_EINVAL;
goto done;
}
utf16Size = uv_utf8_to_utf16(dir, NULL, 0);
if (!utf16Size) {
err = uv__new_sys_error(GetLastError());
goto done;
}
utf16Buffer = (wchar_t*)malloc(sizeof(wchar_t) * utf16Size);
if (!utf16Buffer) {
err.code = UV_ENOMEM;
goto done;
}
if (!uv_utf8_to_utf16(dir, utf16Buffer, utf16Size)) {
err = uv__new_sys_error(GetLastError());
goto done;
}
if (_wchdir(utf16Buffer) == -1) {
err = uv__new_sys_error(_doserrno);
goto done;
}
err = uv_ok_;
done:
if (utf16Buffer) {
free(utf16Buffer);
}
return err;
}
uv_err_t uv_cwd(char* buffer, size_t size) {
uv_err_t err;
size_t utf8Size;
wchar_t* utf16Buffer = NULL;
if (!buffer || !size) {
err.code = UV_EINVAL;
goto done;
}
utf16Buffer = (wchar_t*)malloc(sizeof(wchar_t) * size);
if (!utf16Buffer) {
err.code = UV_ENOMEM;
goto done;
}
if (!_wgetcwd(utf16Buffer, size - 1)) {
err = uv__new_sys_error(_doserrno);
goto done;
}
utf16Buffer[size - 1] = L'\0';
/* Convert to UTF-8 */
utf8Size = uv_utf16_to_utf8(utf16Buffer, -1, buffer, size);
if (utf8Size == 0) {
err = uv__new_sys_error(GetLastError());
goto done;
}
buffer[utf8Size] = '\0';
err = uv_ok_;
done:
if (utf16Buffer) {
free(utf16Buffer);
}
return err;
}
uv_err_t uv_kill(int pid, int signum) {
uv_err_t err;
HANDLE process_handle = OpenProcess(PROCESS_TERMINATE |
PROCESS_QUERY_INFORMATION, FALSE, pid);
if (process_handle == INVALID_HANDLE_VALUE) {
return uv__new_sys_error(GetLastError());
}
err = uv__kill(process_handle, signum);
CloseHandle(process_handle);
return err;
}
uv_err_t uv_resident_set_memory(size_t* rss) {
HANDLE current_process;
PROCESS_MEMORY_COUNTERS pmc;
current_process = GetCurrentProcess();
if (!GetProcessMemoryInfo(current_process, &pmc, sizeof(pmc))) {
return uv__new_sys_error(GetLastError());
}
*rss = pmc.WorkingSetSize;
return uv_ok_;
}
uv_err_t uv_resident_set_memory(size_t* rss) {
char pp[64];
psinfo_t psinfo;
uv_err_t err;
int fd;
(void) snprintf(pp, sizeof(pp), "/proc/%lu/psinfo", (unsigned long) getpid());
fd = open(pp, O_RDONLY);
if (fd == -1)
return uv__new_sys_error(errno);
err = uv_ok_;
if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo))
*rss = (size_t)psinfo.pr_rssize * 1024;
else
err = uv__new_sys_error(EINVAL);
close(fd);
return err;
}
uv_err_t uv_uptime(double* uptime) {
time_t now;
struct timeval info;
size_t size = sizeof(info);
static int which[] = {CTL_KERN, KERN_BOOTTIME};
if (sysctl(which, 2, &info, &size, NULL, 0) < 0) {
return uv__new_sys_error(errno);
}
now = time(NULL);
*uptime = (double)(now - info.tv_sec);
return uv_ok_;
}
static uv_err_t uv__signal_register_control_handler() {
/* When this function is called, the uv__signal_lock must be held. */
/* If the console control handler has already been hooked, just add a */
/* reference. */
if (uv__signal_control_handler_refs > 0)
return uv_ok_;
if (!SetConsoleCtrlHandler(uv__signal_control_handler, TRUE))
return uv__new_sys_error(GetLastError());
uv__signal_control_handler_refs++;
return uv_ok_;
}
