39 lines
848 B
C
39 lines
848 B
C
#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <signal.h>
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extern char **environ;
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int main(int argc ,char *argv[])
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{
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char pwd[1024];
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getcwd(pwd,1024);
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printf("master \n");
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printf("path %s\n",pwd);
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char path[1024];
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snprintf(path,sizeof(path),"%s/app.bin",pwd);
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char *exec_arg[]={path,NULL};
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char *envp[] = {NULL};
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int err = execve(path,exec_arg,envp);
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printf("error happen %d\n",err);
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return 0;
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}
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// int main() {
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// char *args[] = {"/bin/ls", "-l", NULL};
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// char *envp[] = {"PATH=/bin:/usr/bin", NULL};
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// execve("/bin/ls", args, envp);
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// // 如果 execve 失败，会执行到这里
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// perror("execve failed");
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// return 1;
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// }
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