#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <string.h>
int GetPIDbyName(char* pidName)
{
FILE *fp;
char pidofCmd[50]={0};
int pidValue=-1;
if(pidName != 0) {
strcpy(pidofCmd, "pidof ");
strcat(pidofCmd, pidName);
strcat(pidofCmd, "> /tmp/pidof");
system(pidofCmd);
fp = fopen("/tmp/pidof", "r");
fscanf(fp, "%d", &pidValue);
fclose(fp);
}
return pidValue;
}
int main()
{
int eclipsePid = GetPIDbyName("eclipse") ;
if(eclipsePid < 0) {
printf("error on get eclipse pid\n");
} else {
printf("eclipse pid: %d\n", eclipsePid);
}
return 0;
}