发一份linux 通过使用进程名就可以直接杀掉进程的C 代码实现程序|项目开源 - 逆天PCB论坛

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#include <dirent.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>

/*
struct dirent
{
long d_ino;
    off_t d_off;
    unsigned short d_reclen;
    unsigned char d_type;
    char d_name [NAME_MAX+1];
}
*/
char rild_pid[NAME_MAX+1];
int find_rild_flag=0;

#define READ_BUF_SIZE   2048

void  find_pid_by_name( char* pidName)
{
    DIR *dir;
    struct dirent *next;
    long* pidList=NULL;
    int i=0;

        ///proc中包括当前的进程信息,读取该目录
    dir = opendir("/proc");
    if (!dir)
        printf("Cannot open /proc");

        //遍历
    while ((next = readdir(dir)) != NULL) {
        FILE *status;
        char filename[READ_BUF_SIZE];
        char buffer[READ_BUF_SIZE];
        char name[READ_BUF_SIZE];

        /* Must skip ".." since that is outside /proc */
        if (strcmp(next->d_name, "..") == 0)
            continue;

        /* If it isn't a number, we don't want it */
        if (!isdigit(*next->d_name))
            continue;
                //设置进程
        sprintf(filename, "/proc/%s/status", next->d_name);
        if (! (status = fopen(filename, "r")) ) {
            continue;
        }
        if (fgets(buffer, READ_BUF_SIZE-1, status) == NULL) {
            fclose(status);
            continue;
        }
        fclose(status);

                //得到进程id
        /* Buffer should contain a string like "Name:   binary_name" */
        sscanf(buffer, "%*s %s", name);
        if (strcmp(name, pidName) == 0) {
#if 0
            pidList=realloc( pidList, sizeof(long) * (i+2));
            pidList[i++]=strtol(next->d_name, NULL, 0);

#else
       memcpy(rild_pid,next->d_name,strlen(next->d_name));
       rild_pid[strlen(next->d_name)]='\0';
       find_rild_flag=1;
       printf("find the pid number for zytoge process  next->d_name=%s\n",next->d_name);
       printf("find the pid number for zygote process  zygote_pid=%s\n",rild_pid);

#endif

        }
    }

#if 0

    if (pidList) {
        pidList=0; &|cg`m
    } I29aja
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      find_pid_by_name( "zygote"); ,mkXUW
    if( find_rild_flag) 6k569c{7
    { fjD/<`}v
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        printf("the original ZYGOTE process PID is = %s \n",rild_pid); QYl Pr&O9
        pid = atoi(rild_pid); # !:u*1
        printf("pid =%d\n",pid); OFcLh
             err = kill(pid, SIGKILL); HP/f`8
               if (err < 0) .x6c.Y.S
           { =EE>QM
                    printf("KILL ZYGOTE  PROCESS FAILED BECAUSE could not kill pid: %d\n", pid); _c[Bjip
            return 0; g"c|%3
              } gzV&S5A{_
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    } =t@8Y`9w
    else 'MF|(`
    { {Y0Uln5u
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        printf("KILL ZYGOTE PROCESS FAILED BECAUSE NO RILD PROCESS FIND\n"); . }#R
        return 0; -L zx3"
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    printf("****************KILL ZYGOTE PROCESS SUCCESS *************\n"); \&[Jtv *
    return 0; #ZzFAt
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代码中以 android 系统下的  "zygote” 进程为例，若要杀掉其他进程直接将 “zygote"  字符串改成要杀掉的进程名即可（执行时要有相应的权限） h\]D:S
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