Re: [ECOS] POSIX layer and pthread:Unable to make the application

[medamine <medamine.ecos@gmail.com>]

On 04/11/2012 07:38 PM, Fabrizio Carrai wrote:

Hi,

The problem is that I dont have the <cyg/fileio/limits.h> header in my 
install tree also the <cyg/posix/pthread.h> header
and I don't know why the confgtool did not generate these file when I 
build the library, Is it a problem of version of the configtool or what??
> Hi,
> also this seems a problem on the eCos library configuration generated
> with the configtool.
> I used the configuration I suggested in a previous post (and that you
> adopted!) and I'm able to compile your example. Some warnings, but no
> errors.
>
> The inclusion tree is the following:
> "pthread.h"
> "pkgconf/isoinfra.h"
> "cyg/posix/pthread.h"
>
> The latter include the declarations that you miss. Please, check it.
> Your "standard_Posix" configuration should be good.
>
> Fabrizio
>
> Il giorno 11 aprile 2012 16:12, medamine<medamine.ecos@gmail.com>  ha scritto:
>
>> Hi every one,
>>
>> I use
>> Hardware: ST STM3210E EVAL board
>> Packages: posix
>> in the section:POSIX threads
>>
>> POSIX pthread implementation header Enabled=True Value=0
>> POSIX mutex/cond var implementation header Enabled=True Value=0
>>
>> and I got the pthread.h :
>>
>> #ifndef CYGONCE_ISO_PTHREAD_H
>> #define CYGONCE_ISO_PTHREAD_H
>> /*===========================================
>> //
>> // pthread.h
>> //
>> // POSIX pthread functions
>> //
>> //===========================================
>>
>> /* CONFIGURATION */
>>
>> #include<pkgconf/isoinfra.h>  /* Configuration header */
>>
>> /* INCLUDES */
>>
>> #ifdef CYGINT_ISO_PTHREAD_IMPL
>> # ifdef CYGBLD_ISO_PTHREAD_IMPL_HEADER
>> # include CYGBLD_ISO_PTHREAD_IMPL_HEADER
>> # endif
>> #endif
>>
>> #ifdef CYGINT_ISO_PTHREAD_MUTEX
>> # ifdef CYGBLD_ISO_PTHREAD_MUTEX_HEADER
>> # include CYGBLD_ISO_PTHREAD_MUTEX_HEADER
>> # endif
>> #endif
>>
>> #endif /* CYGONCE_ISO_PTHREAD_H multiple inclusion protection */
>>
>> /* EOF pthread.h */
>>
>> After that, i wrote this application using thread
>>
>> #include<pthread.h>
>> #include<stdio.h>
>> #define NUM_THREADS 5
>>
>> void *PrintHello(void *threadid)
>> {
>> long tid;
>> tid = (long)threadid;
>> printf("Hello World! It's me, thread #%ld!\n", tid);
>> pthread_exit(NULL);
>> }
>>
>> int main (int argc, char *argv[])
>> {
>> pthread_t threads[NUM_THREADS];
>> int rc;
>> long t;
>> for(t=0; t<NUM_THREADS; t++){
>> printf("In main: creating thread %ld\n", t);
>> rc = pthread_create(&threads[t], NULL, PrintHello, (void *)t);
>> if (rc){
>> printf("ERROR; return code from pthread_create() is %d\n", rc);
>> exit(-1);
>> }
>> }
>>
>> /* Last thing that main() should do */
>> pthread_exit(NULL);
>> }
>>
>> but when i build the application withe eCos library, i got these errors
>>
>> /STM3240G/fork$ make hello
>> arm-eabi-gcc -c -o hello.o -I/home/st/config/standard_Posix_install/include -Wall -Wpointer-arith -Wstrict-prototypes -Wundef -Woverloaded-virtual -Wno-write-strings -mcpu=cortex-m3 -mthumb -g -O2 -ffunction-sections -fdata-sections -fno-rtti -fno-exceptions hello.c
>> cc1: warning: command line option "-Woverloaded-virtual" is valid for C++/ObjC++ but not for C
>> cc1: warning: command line option "-fno-rtti" is valid for C++/ObjC++ but not for C
>> hello.c: In function ‘PrintHello’:
>> hello.c:10: warning: implicit declaration of function ‘pthread_exit’
>> hello.c: In function ‘main’:
>> hello.c:15: error: ‘pthread_t’ undeclared (first use in this function)
>> hello.c:15: error: (Each undeclared identifier is reported only once
>> hello.c:15: error: for each function it appears in.)
>> hello.c:15: error: expected ‘;’ before ‘threads’
>> hello.c:20: warning: implicit declaration of function ‘pthread_create’
>> hello.c:20: error: ‘threads’ undeclared (first use in this function)
>> hello.c:23: warning: implicit declaration of function ‘exit’
>> hello.c:23: warning: incompatible implicit declaration of built-in function ‘exit’
>> make: *** [hello.o] Error 1
>>
>> First view is that the thread functions doesn't exist in the header thread.h, the configtool generate uncompleted headers,
>>
>> Please i need your help.
>>
>> Thanks a lot.
>>
>>
>>
>> --
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>> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>>


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