util::system Namespace Reference

Cross-platform operating system related functions. More...

Functions
template<typename T >
T	betoh (T const &x)
	Big endian to host order conversion.
template<int N>
void	byte_swap (char *data)
	Swaps little/big endianess of the operand.
template<>
void	byte_swap< 2 > (char *data)
template<>
void	byte_swap< 4 > (char *data)
template<>
void	byte_swap< 8 > (char *data)
template<typename T >
T	letoh (T const &x)
	Little endian to host order conversion.
void	print_build_timestamp (char const *application_name, char const *date, char const *time)
	Prints the application name and the given date and time strings.
void	print_build_timestamp (char const *application_name)
	Prints the application name and date and time of the build.
void	print_stack_trace (void)
	Prints a stack trace.
float	rand_float (void)
	Returns a floating point random number in [0, 1].
void	rand_init (void)
	Initializes the random number generator.
int	rand_int (void)
	Returns a random number in [0, 2^31].
void	rand_seed (int seed)
	Initializes the random number generator with a given seed.
template<typename T >
T	read_binary_little_endian (std::istream *stream)
	Reads little endian according to host order conversion.
void	register_segfault_handler (void)
	Registers signal SIGSEGV (segmentation fault) handler.
void	signal_segfault_handler (int code)
	Handles signal SIGSEGV (segmentation fault) printing a stack trace.
void	sleep (std::size_t msec)
	Sleeps the given amount of milli seconds.
void	sleep_sec (float secs)
	Sleeps the given amount of seconds.

Detailed Description

Cross-platform operating system related functions.

Function Documentation

betoh()

template<typename T >

T util::system::betoh ( T const &  x )

inline

Big endian to host order conversion.

byte_swap()

template<int N>

void util::system::byte_swap ( char *  data )

inline

Swaps little/big endianess of the operand.

byte_swap< 2 >()

template<>

void util::system::byte_swap< 2 > ( char *  data )

inline

Definition at line 185 of file system.h.

byte_swap< 4 >()

template<>

void util::system::byte_swap< 4 > ( char *  data )

inline

Definition at line 192 of file system.h.

byte_swap< 8 >()

template<>

void util::system::byte_swap< 8 > ( char *  data )

inline

Definition at line 200 of file system.h.

letoh()

template<typename T >

T util::system::letoh ( T const &  x )

inline

Little endian to host order conversion.

print_build_timestamp() [1/2]

void util::system::print_build_timestamp	(	char const *	application_name,
		char const *	date,
		char const *	time
	)

Prints the application name and the given date and time strings.

Definition at line 23 of file system.cc.

print_build_timestamp() [2/2]

void util::system::print_build_timestamp ( char const *  application_name )

inline

Prints the application name and date and time of the build.

Definition at line 132 of file system.h.

print_stack_trace()

void util::system::print_stack_trace

(

void

)

Prints a stack trace.

Definition at line 52 of file system.cc.

rand_float()

float util::system::rand_float ( void  )

inline

Returns a floating point random number in [0, 1].

Definition at line 120 of file system.h.

rand_init()

void util::system::rand_init ( void  )

inline

Initializes the random number generator.

Definition at line 108 of file system.h.

rand_int()

int util::system::rand_int ( void  )

inline

Returns a random number in [0, 2^31].

Definition at line 126 of file system.h.

rand_seed()

void util::system::rand_seed ( int  seed )

inline

Initializes the random number generator with a given seed.

Definition at line 114 of file system.h.

read_binary_little_endian()

template<typename T >

T util::system::read_binary_little_endian ( std::istream *  stream )

inline

Reads little endian according to host order conversion.

Definition at line 253 of file system.h.

register_segfault_handler()

void util::system::register_segfault_handler

(

void

)

Registers signal SIGSEGV (segmentation fault) handler.

Definition at line 33 of file system.cc.

signal_segfault_handler()

void util::system::signal_segfault_handler

(

int

code

)

Handles signal SIGSEGV (segmentation fault) printing a stack trace.

Definition at line 41 of file system.cc.

sleep()

void util::system::sleep ( std::size_t  msec )

inline

Sleeps the given amount of milli seconds.

Definition at line 96 of file system.h.

sleep_sec()

void util::system::sleep_sec ( float  secs )

inline

Sleeps the given amount of seconds.

Definition at line 102 of file system.h.