Operating System Interface¶

Operating Systems Interface Code.

• $yap_home/1

• [sh

• working_directory/2

Define:¶

1. is_valid_env_char:

1. isValidEnvChar:

Functions:¶

1. Creates a new shell interaction *static Int p_sh(USES_REGS1):

1. static Int p_shell(USES_REGS1): : shell(+Command:text, -Status:integer) is det.

Run an external command and wait for its completion.

1. static Int p_system(USES_REGS1): : system(+Command:text).

Run an external command.

1. static Int p_mv(USES_REGS1):

1. static Int p_dir_sp(USES_REGS1):

1. static Int p_getenv(USES_REGS1):

1. static Int p_putenv(USES_REGS1):

1. void exit(int):

1. bool Yap_isDirectory(const char *FileName): : is_directory: verifies whether an expanded file name points at a readable directory

1. bool Yap_Exists(const char *f):

1. static int dir_separator(int ch):

1. int Yap_dir_separator(int ch):

1. bool Yap_ChDir(const char *path):

1. Atom Yap_TemporaryFile(const char prefix, int fd):

1. static bool initSysPath(Term tlib, Term tcommons, bool dir_done, bool commons_done):

1. static Int libraries_directories(USES_REGS1): : "libraries_directories(Dirs" ) }

@class libraries_directories_1

unify Dirs with the paths where YAP search for system libraries

1. static Int system_library(USES_REGS1): : "system_library(Dir" ) }

@class system_library_1

unify Dir with the path for the main library.

1. static Int commons_library(USES_REGS1): : "commons_library(Dir" ) }

@class commons_library_1

unify Dir with the path for the commons library.

1. size_t Yap_InitPageSize(void):

1. static int volume_header(char *file):

1. int Yap_volume_header(char *file):

1. const char * Yap_getcwd(char *buf, size_t cwdlen):

1. static Int working_directory(USES_REGS1):

1. static Int p_host_type(USES_REGS1):

1. static Int p_yap_home(USES_REGS1):

1. static Int p_yap_paths(USES_REGS1):

1. static Int p_log_event(USES_REGS1):

1. static Int p_env_separator(USES_REGS1):

1. void Yap_InitSysbits(int wid):

1. static Int p_unix(USES_REGS1):

1. static Int p_win/2(USES_REGS1):

1. static Int p_ld_path(USES_REGS1):

1. static Int p_address_bits(USES_REGS1):

1. static Int p_sleep(USES_REGS1): : sleep(Time)

stop the process for Time seconds

1. static Int p_mtrace(USES_REGS1):

1. void Yap_InitSysPreds(void):

Var:¶

1. char* virtual_cwd: