复制代码 代码如下:

[sam@hzhsan test]$ more test_processname.cpp

#include <limits.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

size_t get_executable_path( char* processdir,char* processname, size_t len)

{

char* path_end;

if(readlink("/proc/self/exe", processdir,len) <=0)

return -1;

path_end = strrchr(processdir, '/');

if(path_end == NULL)

return -1;

++path_end;

strcpy(processname, path_end);

*path_end = '';

return (size_t)(path_end - processdir);

}

int main()

{

char path[PATH_MAX];

char processname[1024];

get_executable_path(path, processname, sizeof(path));

printf("directory:%snprocessname:%sn",path,processname);

}

[sam@hzhsan test]$