Created
July 8, 2021 15:03
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*** tThread_orig.c 2021-07-08 11:31:40.000795883 -0300 | |
--- tThread.c 2021-07-08 11:49:00.032924787 -0300 | |
*************** | |
*** 1,4 **** | |
! // From https://pt.stackoverflow.com/questions/516989/c%c3%b3digo-compila-mas-n%c3%a3o-funciona-apenas-finaliza-com-sucesso | |
#include <stdio.h> | |
#include <stdlib.h> | |
--- 1,4 ---- | |
! /* From https://pt.stackoverflow.com/questions/516989/c%c3%b3digo-compila-mas-n%c3%a3o-funciona-apenas-finaliza-com-sucesso */ | |
#include <stdio.h> | |
#include <stdlib.h> | |
*************** | |
*** 7,13 **** | |
void *calculaPrimo(void *limitValue) { | |
int primo, j; | |
int num = 1; | |
! int maxValue = limitValue; | |
while (num <= maxValue) { | |
primo = 1; | |
--- 7,13 ---- | |
void *calculaPrimo(void *limitValue) { | |
int primo, j; | |
int num = 1; | |
! int maxValue = *(int*)limitValue; | |
while (num <= maxValue) { | |
primo = 1; | |
*************** | |
*** 23,51 **** | |
num++; | |
} | |
printf("\n"); | |
} | |
! void criaThreads(char *args[]) { | |
! int maxValue = atoi(args[1]); | |
! int maxThreads = atoi(args[2]); | |
! printf("%d , %d", maxValue, maxThreads); | |
! | |
long t; | |
! pthread_t threads[maxThreads]; | |
for (t = 0; t < maxThreads; t++) { | |
! pthread_create(&threads[t], NULL,(void * ) calculaPrimo, &maxValue); | |
} | |
for (t = 0; t < maxThreads; t++) { | |
pthread_join(threads[t],NULL); | |
} | |
- | |
} | |
! int main(int argc, int argv[]) { | |
! char *args[] = {argv[0], argv[1], argv[2]}; | |
! criaThreads(args); | |
pthread_exit(NULL); | |
return 0; | |
} | |
--- 23,63 ---- | |
num++; | |
} | |
printf("\n"); | |
+ | |
+ return NULL; | |
} | |
! void criaThreads(char* const* args) { | |
! int maxValue; | |
! int maxThreads; | |
long t; | |
+ pthread_t *threads; | |
+ | |
+ maxValue = atoi(args[1]); | |
+ maxThreads = atoi(args[2]); | |
+ | |
+ printf("Maximum integer %d\n", maxValue); | |
+ printf("Number of threads %d\n", maxThreads); | |
! threads = (pthread_t *)calloc(sizeof(pthread_t), maxThreads); | |
! | |
for (t = 0; t < maxThreads; t++) { | |
! pthread_create(&threads[t], NULL, calculaPrimo, &maxValue); | |
} | |
+ | |
for (t = 0; t < maxThreads; t++) { | |
pthread_join(threads[t],NULL); | |
} | |
} | |
! int main(int argc, char* const* argv) { | |
! if (argc < 3) { | |
! printf("%s: insufficient parameters. Please inform maximum value and number of threads\n", argv[0]); | |
! return 1; | |
! } | |
! | |
! criaThreads(argv); | |
pthread_exit(NULL); | |
return 0; | |
} |
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