Re: [ECOS] More than 40 files open - eCos doesn't run properly?]

[Ernie Biancarelli <ernie at aztek-eng dot com>]

Gary Thomas wrote:

> On Mon, 2003-12-15 at 12:52, Ernie Biancarelli wrote:
>  
>
> > I am using the A&M Rattler power pc 8250 based target. I'm working with 
> > the eCos source from ~September.
> >
> > I have a configuration question regarding the POSIX File IO 
> > Compatibility Layer package. I want to configure and run eCos with 110 
> > file descriptors and 100 open files. Configuring the source and creating 
> > an eCos library is no problem.  I am able to build the two threads 
> > example as well, however, when I start the program via GDB, GDB hangs 
> > and I don't see any output from the target.
> >
> > I have determined through trial and error that 40 is the magic number of 
> > open files that I can configure eCos with and still run the two threads 
> > example. Any more than that, and the GDB/target hangs.
> >
> > Can someone else with a Rattler verify this for me? Can anyone offer 
> > help in getting past the 40 open file limit I see?
> >    
>
> How did you configure the system (template, what changes, etc)?  You can
> provide this information best by using 
>  % ecosconfig export my.cfg
> This will generate an .ecm fragment, which can then be used by others 
> (like me) to recreate your setup.
>
> Also, what are you trying to open the file handles to?
>
>  

I've attached my config as you requested.

I want to create file descriptors for ~30 HDLC channels and have some 
growing space for future expansion.  In addition to those FDs, we also 
will want to open several sockets...

cdl_savefile_version 1;
cdl_savefile_command cdl_savefile_version {};
cdl_savefile_command cdl_savefile_command {};
cdl_savefile_command cdl_configuration { description hardware template package };
cdl_savefile_command cdl_package { value_source user_value wizard_value inferred_value };
cdl_savefile_command cdl_component { value_source user_value wizard_value inferred_value };
cdl_savefile_command cdl_option { value_source user_value wizard_value inferred_value };
cdl_savefile_command cdl_interface { value_source user_value wizard_value inferred_value };

cdl_configuration eCos {
    description "" ;
    hardware    rattler ;
    template    net ;
    package -hardware CYGPKG_HAL_POWERPC current ;
    package -hardware CYGPKG_HAL_POWERPC_MPC8XXX current ;
    package -hardware CYGPKG_HAL_POWERPC_RATTLER current ;
    package -hardware CYGPKG_DEVS_FLASH_POWERPC_RATTLER current ;
    package -hardware CYGPKG_DEVS_FLASH_AMD_AM29XXXXX current ;
    package -hardware CYGPKG_DEVS_ETH_POWERPC_FCC current ;
    package -hardware CYGPKG_DEVS_ETH_POWERPC_RATTLER current ;
    package -hardware CYGPKG_DEVS_ETH_PHY current ;
    package CYGPKG_HAL current ;
    package CYGPKG_IO current ;
    package CYGPKG_IO_SERIAL current ;
    package CYGPKG_INFRA current ;
    package CYGPKG_ISOINFRA current ;
    package CYGPKG_KERNEL current ;
    package CYGPKG_MEMALLOC current ;
    package CYGPKG_LIBC current ;
    package CYGPKG_LIBC_TIME current ;
    package CYGPKG_LIBC_STDLIB current ;
    package CYGPKG_LIBC_STRING current ;
    package CYGPKG_LIBC_I18N current ;
    package CYGPKG_LIBC_SETJMP current ;
    package CYGPKG_LIBC_STARTUP current ;
    package CYGPKG_LIBC_STDIO current ;
    package CYGPKG_LIBM current ;
    package CYGPKG_POSIX current ;
    package CYGPKG_IO_WATCHDOG current ;
    package CYGPKG_IO_WALLCLOCK current ;
    package -template CYGPKG_ERROR current ;
    package -template CYGPKG_IO_FILEIO current ;
    package -template CYGPKG_NET current ;
    package -template CYGPKG_NET_FREEBSD_STACK current ;
    package -template CYGPKG_NS_DNS current ;
    package -template CYGPKG_IO_ETH_DRIVERS current ;
    package -template CYGPKG_NET_SNTP current ;
};

cdl_option CYGSEM_HAL_POWERPC_RESET_USES_JUMP {
    user_value 1
};

cdl_option CYGHWR_DEVS_ETH_PHY_AM79C874 {
    user_value 1
};

cdl_option CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING {
    user_value 1
};

cdl_component CYGPKG_IO_SERIAL_TTY_TTY0 {
    user_value 1
};

cdl_component CYGPKG_IO_SERIAL_TERMIOS_TERMIOS0 {
    user_value 1
};

cdl_component CYGPKG_IO_SERIAL_DEVICES {
    user_value 1
};

cdl_option CYGBLD_ISO_CTYPE_HEADER {
    inferred_value 1 <cyg/libc/i18n/ctype.inl>
};

cdl_option CYGBLD_ISO_ERRNO_CODES_HEADER {
    inferred_value 1 <cyg/error/codes.h>
};

cdl_option CYGBLD_ISO_ERRNO_HEADER {
    inferred_value 1 <cyg/error/errno.h>
};

cdl_option CYGBLD_ISO_STDIO_FILETYPES_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_STREAMS_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_FILEACCESS_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_FORMATTED_IO_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_CHAR_IO_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_DIRECT_IO_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDIO_ERROR_HEADER {
    inferred_value 1 <cyg/libc/stdio/stdio.h>
};

cdl_option CYGBLD_ISO_STDLIB_STRCONV_HEADER {
    inferred_value 1 <cyg/libc/stdlib/atox.inl>
};

cdl_option CYGBLD_ISO_STDLIB_ABS_HEADER {
    inferred_value 1 <cyg/libc/stdlib/abs.inl>
};

cdl_option CYGBLD_ISO_STDLIB_DIV_HEADER {
    inferred_value 1 <cyg/libc/stdlib/div.inl>
};

cdl_option CYGBLD_ISO_STRERROR_HEADER {
    inferred_value 1 <cyg/error/strerror.h>
};

cdl_option CYGBLD_ISO_STRTOK_R_HEADER {
    inferred_value 1 <cyg/libc/string/string.h>
};

cdl_option CYGBLD_ISO_STRING_LOCALE_FUNCS_HEADER {
    inferred_value 1 <cyg/libc/string/string.h>
};

cdl_option CYGBLD_ISO_STRING_BSD_FUNCS_HEADER {
    inferred_value 1 <cyg/libc/string/bsdstring.h>
};

cdl_option CYGBLD_ISO_STRING_MEMFUNCS_HEADER {
    inferred_value 1 <cyg/libc/string/string.h>
};

cdl_option CYGBLD_ISO_STRING_STRFUNCS_HEADER {
    inferred_value 1 <cyg/libc/string/string.h>
};

cdl_option CYGBLD_ISO_POSIX_TIMER_TYPES_HEADER {
    inferred_value 1 <cyg/posix/time.h>
};

cdl_option CYGBLD_ISO_POSIX_CLOCK_TYPES_HEADER {
    inferred_value 1 <cyg/posix/time.h>
};

cdl_option CYGBLD_ISO_C_TIME_TYPES_HEADER {
    inferred_value 1 <cyg/libc/time/time.h>
};

cdl_option CYGBLD_ISO_POSIX_TIMERS_HEADER {
    inferred_value 1 <cyg/posix/time.h>
};

cdl_option CYGBLD_ISO_POSIX_CLOCKS_HEADER {
    inferred_value 1 <cyg/posix/time.h>
};

cdl_option CYGBLD_ISO_C_CLOCK_FUNCS_HEADER {
    inferred_value 1 <cyg/libc/time/time.h>
};

cdl_option CYGBLD_ISO_SIGNAL_NUMBERS_HEADER {
    inferred_value 1 <cyg/posix/signal.h>
};

cdl_option CYGBLD_ISO_SIGNAL_IMPL_HEADER {
    inferred_value 1 <cyg/posix/signal.h>
};

cdl_option CYGBLD_ISO_SETJMP_HEADER {
    inferred_value 1 <cyg/libc/setjmp/setjmp.h>
};

cdl_option CYGBLD_ISO_SIGSETJMP_HEADER {
    inferred_value 1 <cyg/posix/sigsetjmp.h>
};

cdl_option CYGBLD_ISO_DIRENT_HEADER {
    inferred_value 1 <cyg/fileio/dirent.h>
};

cdl_option CYGBLD_ISO_PTHREADTYPES_HEADER {
    inferred_value 1 <cyg/posix/types.h>
};

cdl_option CYGBLD_ISO_PMUTEXTYPES_HEADER {
    inferred_value 1 <cyg/posix/muttypes.h>
};

cdl_option CYGBLD_ISO_BSDTYPES_HEADER {
    inferred_value 1 <sys/bsdtypes.h>
};

cdl_option CYGBLD_ISO_UTSNAME_HEADER {
    inferred_value 1 <cyg/posix/utsname.h>
};

cdl_option CYGBLD_ISO_SEMAPHORES_HEADER {
    inferred_value 1 <cyg/posix/semaphore.h>
};

cdl_option CYGBLD_ISO_PTHREAD_IMPL_HEADER {
    inferred_value 1 <cyg/posix/pthread.h>
};

cdl_option CYGBLD_ISO_PTHREAD_MUTEX_HEADER {
    inferred_value 1 <cyg/posix/mutex.h>
};

cdl_option CYGBLD_ISO_POSIX_LIMITS_HEADER {
    inferred_value 1 <cyg/posix/limits.h>
};

cdl_option CYGBLD_ISO_OPEN_MAX_HEADER {
    inferred_value 1 <cyg/fileio/limits.h>
};

cdl_option CYGBLD_ISO_NAME_MAX_HEADER {
    inferred_value 1 <cyg/fileio/limits.h>
};

cdl_option CYGBLD_ISO_DNS_HEADER {
    inferred_value 1 <cyg/ns/dns/dns.h>
};

cdl_option CYGBLD_ISO_NETDB_PROTO_HEADER {
    inferred_value 1 <net/netdb.h>
};

cdl_option CYGBLD_ISO_NETDB_SERV_HEADER {
    inferred_value 1 <net/netdb.h>
};

cdl_option CYGIMP_KERNEL_SCHED_SORTED_QUEUES {
    inferred_value 1
};

cdl_option CYGSEM_KERNEL_SCHED_TIMESLICE_ENABLE {
    inferred_value 1
};

cdl_component CYGSEM_KERNEL_SCHED_ASR_SUPPORT {
    inferred_value 1
};

cdl_option CYGSEM_KERNEL_SCHED_ASR_GLOBAL {
    inferred_value 1
};

cdl_component CYGPKG_KERNEL_THREADS_DESTRUCTORS {
    inferred_value 1
};

cdl_option CYGNUM_KERNEL_SYNCH_MBOX_QUEUE_SIZE {
    user_value 100
};

cdl_option CYGNUM_FILEIO_NFILE {
    user_value 40
};

cdl_option CYGNUM_FILEIO_NFD {
    user_value 110
};

cdl_option CYGPKG_NET_FORCE_SERIAL_CONSOLE {
    user_value 1
};




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