#include "Unix.h"
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#if defined(HAVE_MALLOC_H) && !defined(__DragonFly__)
#include <malloc.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_TERMIOS_H
# include <termios.h>
#endif
using namespace llvm;
using namespace sys;
unsigned
Process::GetPageSize()
{
#if defined(__CYGWIN__)
const int page_size = 0x1000;
#elif defined(HAVE_GETPAGESIZE)
const int page_size = ::getpagesize();
#elif defined(HAVE_SYSCONF)
long page_size = ::sysconf(_SC_PAGE_SIZE);
#else
#warning Cannot get the page size on this machine
#endif
return static_cast<unsigned>(page_size);
}
size_t Process::GetMallocUsage() {
#if defined(HAVE_MALLINFO)
struct mallinfo mi;
mi = ::mallinfo();
return mi.uordblks;
#elif defined(HAVE_MALLOC_ZONE_STATISTICS) && defined(HAVE_MALLOC_MALLOC_H)
malloc_statistics_t Stats;
malloc_zone_statistics(malloc_default_zone(), &Stats);
return Stats.size_in_use; #elif defined(HAVE_SBRK)
static char *StartOfMemory = reinterpret_cast<char*>(::sbrk(0));
char *EndOfMemory = (char*)sbrk(0);
if (EndOfMemory != ((char*)-1) && StartOfMemory != ((char*)-1))
return EndOfMemory - StartOfMemory;
else
return 0;
#else
#warning Cannot get malloc info on this platform
return 0;
#endif
}
size_t
Process::GetTotalMemoryUsage()
{
#if defined(HAVE_MALLINFO)
struct mallinfo mi = ::mallinfo();
return mi.uordblks + mi.hblkhd;
#elif defined(HAVE_MALLOC_ZONE_STATISTICS) && defined(HAVE_MALLOC_MALLOC_H)
malloc_statistics_t Stats;
malloc_zone_statistics(malloc_default_zone(), &Stats);
return Stats.size_allocated; #elif defined(HAVE_GETRUSAGE) && !defined(__HAIKU__)
struct rusage usage;
::getrusage(RUSAGE_SELF, &usage);
return usage.ru_maxrss;
#else
#warning Cannot get total memory size on this platform
return 0;
#endif
}
void
Process::GetTimeUsage(TimeValue& elapsed, TimeValue& user_time,
TimeValue& sys_time)
{
elapsed = TimeValue::now();
#if defined(HAVE_GETRUSAGE)
struct rusage usage;
::getrusage(RUSAGE_SELF, &usage);
user_time = TimeValue(
static_cast<TimeValue::SecondsType>( usage.ru_utime.tv_sec ),
static_cast<TimeValue::NanoSecondsType>( usage.ru_utime.tv_usec *
TimeValue::NANOSECONDS_PER_MICROSECOND ) );
sys_time = TimeValue(
static_cast<TimeValue::SecondsType>( usage.ru_stime.tv_sec ),
static_cast<TimeValue::NanoSecondsType>( usage.ru_stime.tv_usec *
TimeValue::NANOSECONDS_PER_MICROSECOND ) );
#else
#warning Cannot get usage times on this platform
user_time.seconds(0);
user_time.microseconds(0);
sys_time.seconds(0);
sys_time.microseconds(0);
#endif
}
int Process::GetCurrentUserId() {
return getuid();
}
int Process::GetCurrentGroupId() {
return getgid();
}
#ifdef HAVE_MACH_MACH_H
#include <mach/mach.h>
#endif
void Process::PreventCoreFiles() {
#if HAVE_SETRLIMIT
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max = 0;
setrlimit(RLIMIT_CORE, &rlim);
#endif
#ifdef HAVE_MACH_MACH_H
mach_msg_type_number_t Count = 0;
exception_mask_t OriginalMasks[EXC_TYPES_COUNT];
exception_port_t OriginalPorts[EXC_TYPES_COUNT];
exception_behavior_t OriginalBehaviors[EXC_TYPES_COUNT];
thread_state_flavor_t OriginalFlavors[EXC_TYPES_COUNT];
kern_return_t err =
task_get_exception_ports(mach_task_self(), EXC_MASK_ALL, OriginalMasks,
&Count, OriginalPorts, OriginalBehaviors,
OriginalFlavors);
if (err == KERN_SUCCESS) {
for (unsigned i = 0; i != Count; ++i)
task_set_exception_ports(mach_task_self(), OriginalMasks[i],
MACH_PORT_NULL, OriginalBehaviors[i],
OriginalFlavors[i]);
}
signal(SIGABRT, _exit);
signal(SIGILL, _exit);
signal(SIGFPE, _exit);
signal(SIGSEGV, _exit);
signal(SIGBUS, _exit);
#endif
}
bool Process::StandardInIsUserInput() {
return FileDescriptorIsDisplayed(STDIN_FILENO);
}
bool Process::StandardOutIsDisplayed() {
return FileDescriptorIsDisplayed(STDOUT_FILENO);
}
bool Process::StandardErrIsDisplayed() {
return FileDescriptorIsDisplayed(STDERR_FILENO);
}
bool Process::FileDescriptorIsDisplayed(int fd) {
#if HAVE_ISATTY
return isatty(fd);
#else
return false;
#endif
}
static unsigned getColumns(int FileID) {
if (const char *ColumnsStr = std::getenv("COLUMNS")) {
int Columns = std::atoi(ColumnsStr);
if (Columns > 0)
return Columns;
}
unsigned Columns = 0;
#if defined(HAVE_SYS_IOCTL_H) && defined(HAVE_TERMIOS_H)
struct winsize ws;
if (ioctl(FileID, TIOCGWINSZ, &ws) == 0)
Columns = ws.ws_col;
#endif
return Columns;
}
unsigned Process::StandardOutColumns() {
if (!StandardOutIsDisplayed())
return 0;
return getColumns(1);
}
unsigned Process::StandardErrColumns() {
if (!StandardErrIsDisplayed())
return 0;
return getColumns(2);
}
static bool terminalHasColors() {
if (const char *term = std::getenv("TERM")) {
return strcmp(term, "dumb") != 0;
}
return false;
}
bool Process::StandardOutHasColors() {
if (!StandardOutIsDisplayed())
return false;
return terminalHasColors();
}
bool Process::StandardErrHasColors() {
if (!StandardErrIsDisplayed())
return false;
return terminalHasColors();
}
bool Process::ColorNeedsFlush() {
return false;
}
#define COLOR(FGBG, CODE, BOLD) "\033[0;" BOLD FGBG CODE "m"
#define ALLCOLORS(FGBG,BOLD) {\
COLOR(FGBG, "0", BOLD),\
COLOR(FGBG, "1", BOLD),\
COLOR(FGBG, "2", BOLD),\
COLOR(FGBG, "3", BOLD),\
COLOR(FGBG, "4", BOLD),\
COLOR(FGBG, "5", BOLD),\
COLOR(FGBG, "6", BOLD),\
COLOR(FGBG, "7", BOLD)\
}
static const char colorcodes[2][2][8][10] = {
{ ALLCOLORS("3",""), ALLCOLORS("3","1;") },
{ ALLCOLORS("4",""), ALLCOLORS("4","1;") }
};
const char *Process::OutputColor(char code, bool bold, bool bg) {
return colorcodes[bg?1:0][bold?1:0][code&7];
}
const char *Process::OutputBold(bool bg) {
return "\033[1m";
}
const char *Process::ResetColor() {
return "\033[0m";
}