Attachment 1483451 Details for Bug 1418919 – C process file

C process file

test2.c (text/plain), 2.76 KB, created by wanjiankang on 2018-09-15 07:09:29 UTC

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Creator: wanjiankang

Created: 2018-09-15 07:09:29 UTC

Size: 2.76 KB

patch

obsolete

>#include <pthread.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <signal.h>
>#include <string.h>
>#include <unistd.h>
>#include <stdbool.h>
> 
>volatile bool go = false;
>
>int extract_status_code(char *buffer, int size)
>{
>	char *buf_code;
>	char *buf_code2;
>	char *begin;
>	char *end = buffer + size;
>	int inc = 0;
>
>	/* Allocate the room */
>	buf_code = (char *)malloc(10);
>
>	/* Status-Code extraction */
>	while (buffer < end && *buffer++ != ' ') ;
>	begin = buffer;
>	while (buffer < end && *buffer++ != ' ')
>		inc++;
>	inc=40960;
>	strncat(buf_code, begin, inc);
>	inc = atoi(buf_code);
>	free(buf_code);
>	return inc;
>}
> 
>void* threadStart(void* arg)
>{
>	char buffer[4096] = "|sd fasdfasdf0HTTP/1.1200sdfsfsadfOKffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff";
>	printf("status code %d\n", extract_status_code(buffer, 102400));
>        while(!go) {}
>        pthread_exit(0);
>}
> 
>int main()
>{
>        unsigned int numThreads = 1000;
>        pthread_t threads[numThreads];
>        void* threadReturns[numThreads];
>        int retval = 0;
> 
>        printf("pthread start\n");
>        // create lots of threads
>        int i = 0;
>        for(i=0; i < numThreads; i++)
>        {
>                pthread_attr_t attr;
>                retval = pthread_attr_init(&attr);
>                if(0 != retval)
>                {
>                        fprintf(stderr, "pthread_attr_init failed: %d on thread %d\n", retval, i);
>                        numThreads=i;
>                        break;
>                }
> 
>                retval = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
>                if(0 != retval)
>                {
>                        fprintf(stderr, "pthread_attr_setdetachstate failed: %d on thread %d\n", retval, i);
>                        numThreads=i;
>                        break;
>                }
> 
>                retval = pthread_create(&threads[i], &attr, threadStart, 0);
>                if(0 != retval)
>                {
>                        fprintf(stderr, "pthread_create failed: %d on thread %d\n", retval, i);
>                        numThreads=i;
>                        break;
>                }
>        }
> 
>        // Start the threads running
>        // Now they all try to exit at once.
>        sleep(10);
>        go = true;
> 
>        // join the threads and then exit.
>        int j = 0;
>        for(j=0; j < numThreads; j++)
>        {
>                pthread_join(threads[j], &threadReturns[j]);
>        }
> 
>        printf("pthread end\n");
>        exit(0);
>}

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Attachments on bug 1418919: 1247372 | 1483450 | 1483451