+++ /dev/null
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-NAME="POSIX-PROCESS-ENVIRONMENT">Process Environment [POSIX Section 4]</H1
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-><A
-NAME="AEN13011">Functions Implemented</H2
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->int uname( struct utsname *name );
-time_t time( time_t *tloc );
-char *getenv( const char *name );
-int isatty( int fd );
-long sysconf( int name );</PRE
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-NAME="AEN13014">Functions Omitted</H2
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->pid_t getpid( void );
-pid_t getppid( void );
-uid_t getuid( void );
-uid_t geteuid( void );
-gid_t getgid( void );
-gid_t getegid( void );
-int setuid( uid_t uid );
-int setgid( gid_t gid );
-int getgroups( int gidsetsize, gid_t grouplist[] );
-char *getlogin( void );
-int getlogin_r( char *name, size_t namesize );
-pid_t getpgrp( void );
-pid_t setsid( void );
-int setpgid( pid_t pid, pid_t pgid );
-char *ctermid( char *s);
-char *ttyname( int fd ); // TBA
-int ttyname_r( int fd, char *name, size_t namesize); // TBA
-clock_t times( struct tms *buffer ); // TBA</PRE
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-><P
->The fields of the <SPAN
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-><I
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->utsname</I
-></SPAN
->
- structure are initialized as follows:
- <TABLE
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-><TR
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-CLASS="SCREEN"
-> sysname “eCos”
- nodename “” (gethostname() is currently not available)
-
- release Major version number of the kernel
- version Minor version number of the kernel
- machine “” (Requires some config tool changes)
- </PRE
-></TD
-></TR
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->
- </P
-><P
-> The sizes of these strings are defined by
- CYG_POSIX_UTSNAME_LENGTH and
- CYG_POSIX_UTSNAME_NODENAME_LENGTH. The
- latter defaults to the value of the former, but may also
- be set independently to accommodate a longer node name.
- </P
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-> The <SPAN
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-> function is currently
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- </P
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->A set of environment strings may be defined at configuration
- time with the CYGDAT_LIBC_DEFAULT_ENVIRONMENT
- option. The application may also define an environment by direct
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-> At present <SPAN
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->isatty()</I
-></SPAN
-> assumes that
- any character device is a tty and that all other devices are not
- ttys. Since the only kind of device that eCos currently supports
- is serial character devices, this is an adequate
- distinction.
- </P
-></LI
-><LI
-><P
-> All system variables supported by sysconf will yield a
- value. However, those that are irrelevant to eCos will
- either return the default minimum defined in
- <TT
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-><limits.h></TT
->,
- or zero.
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