libqi-api
2.0.6.8
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#include <cstdio>
#include <string>
#include <map>
#include <vector>
#include <qi/api.hpp>
#include <qi/types.hpp>
Go to the source code of this file.
Classes | |
struct | qi::os::timeval |
qi::os::timeval struct similar to POSIX timeval More... | |
Namespaces | |
namespace | qi |
qi general namespace | |
namespace | qi::os |
OS abstraction layer. | |
Functions | |
FILE * | qi::os::fopen (const char *filename, const char *mode) |
Open a file and returns and handle on it. | |
int | qi::os::stat (const char *filename, struct stat *pstat) |
Get file status. | |
int | qi::os::checkdbg () |
std::string | qi::os::home () |
Return path to the current user's HOME. | |
std::string | qi::os::mktmpdir (const char *prefix="") |
Return a writable temporary directory. | |
std::string | qi::os::tmp () |
Return the system's temporary directory. | |
std::string | qi::os::gethostname () |
Get the system's hostname. | |
int | qi::os::isatty (int fd=1) |
Test if descriptor represents a terminal. | |
bool | qi::os::fnmatch (const std::string &pattern, const std::string &string) |
char * | qi::os::strdup (const char *src) |
int | qi::os::snprintf (char *str, size_t size, const char *format,...) |
Implement POSIX compliant snprintf. | |
std::string | qi::os::getenv (const char *var) |
Get an environment variable. | |
int | qi::os::setenv (const char *var, const char *value) |
Change or add an environment variable. | |
std::string | qi::os::timezone () |
Return the timezone. | |
void | qi::os::sleep (unsigned int seconds) |
Sleep for the specified number of seconds. | |
void | qi::os::msleep (unsigned int milliseconds) |
Sleep for the specified number of milliseconds. | |
int | qi::os::gettimeofday (qi::os::timeval *tp) |
The gettimeofday() function shall obtain the current time. | |
qi::int64_t | qi::os::ustime () |
Return elapsed time since program started in microseconds. | |
std::pair< int64_t, int64_t > | qi::os::cputime () |
Return CPU time used by the calling thread as a pair (userTime, systemTime) in microseconds. | |
qi::os::timeval | qi::os::operator+ (const qi::os::timeval &lhs, const qi::os::timeval &rhs) |
qi::os::timeval | qi::os::operator+ (const qi::os::timeval &lhs, long us) |
qi::os::timeval | qi::os::operator- (const qi::os::timeval &lhs, const qi::os::timeval &rhs) |
qi::os::timeval | qi::os::operator- (const qi::os::timeval &lhs, long us) |
void * | qi::os::dlopen (const char *filename, int flag=-1) |
Load a dynamic library. | |
int | qi::os::dlclose (void *handle) |
Decrements the reference count on the dynamic library. | |
void * | qi::os::dlsym (void *handle, const char *symbol) |
Get the address where the symbol is loaded into memory. | |
const char * | qi::os::dlerror (void) |
Returns a human readable string of the error code. | |
int | qi::os::spawnvp (char *const argv[]) |
Create and execute a new process. | |
int | qi::os::spawnlp (const char *argv,...) |
Create and execute a new process. | |
int | qi::os::system (const char *command) |
Execute a shell command. | |
int | qi::os::getpid () |
Get the process identifier. | |
int | qi::os::gettid () |
Get the thread identifier. | |
int | qi::os::waitpid (int pid, int *status) |
Wait for process to change state. | |
int | qi::os::kill (int pid, int sig) |
Send a signal to a process. | |
unsigned short | qi::os::findAvailablePort (unsigned short port) |
Find the first available port starting at port number in parameter. | |
std::map< std::string, std::vector< std::string > > | qi::os::hostIPAddrs (bool ipv6Addr=false) |
Find all network adapters and corresponding IPs. | |
void | qi::os::setCurrentThreadName (const std::string &name) |
Set the current thread name to the string in parameter. | |
std::string | qi::os::currentThreadName () |
returns the current thread name as a std::string | |
bool | qi::os::setCurrentThreadCPUAffinity (const std::vector< int > &cpus) |
long | qi::os::numberOfCPUs () |
std::string | qi::os::getMachineId () |
Returns an unique uuid for the machine. | |
std::string | qi::os::generateUuid () |
Generate a universally unique identifier. | |
size_t | qi::os::memoryUsage (unsigned int pid) |
Get the memory usage of a process. | |
QI_API_DEPRECATED std::string | qi::os::tmpdir (const char *prefix="") |
Return a temporary directory. |