Execute command in the pthread

test-pexecute.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
 
#include <pthread.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>

static int
execute_command(char *cmd)
{
    pid_t pid;
    int ret = 0;  
    char * argv[] = {"sh", "-c", cmd, 0};
    
    if ((pid = fork()) < 0) {  
        printf("fork error\n");  
        ret = -1;
    } else if (pid == 0) { /* child */  
        execvp(argv[0], argv);
        perror(argv[0]);
		exit(errno);
    } else {  
        int status;  
        wait(&status);  
        ret = WEXITSTATUS(status);  
        //printf("ret: %d\n", ret);  
    }
    
    return ret;
}

void pexecute_func(void *ptr)
{
    char *cmd = (char *)ptr;

    execute_command(cmd);
    
    pthread_exit(NULL);  
}

int pexecute(char *cmd)  
{  
    pthread_t p_id;
    int ret = 0;
   
    ret = pthread_create(&p_id, NULL, (void *)&pexecute_func, (void *)cmd);  
    
    if (ret != 0) {  
       printf("create pthread error\n");
       ret = 1;
    }  
    
    //printf("ret=%d\n", ret);
    //pthread_join(p_id, NULL);
    
    return ret;  
}  

int main(int argc, char *argv[])  
{
    int ret = 0;
    
    if (argc != 2) {
        printf("Usage: %s [command]\n", argv[0]);
        return 1;
    }
   
    ret = pexecute(argv[1]);
    printf("ret=%d\n", ret);
    
    return ret;  
}