github.com/opencontainers/runc@v1.2.0-rc.1.0.20240520010911-492dc558cdd6/tests/integration/testdata/dev_access_test.c (about)

     1  #include <stdio.h>
     2  #include <unistd.h>
     3  
     4  int main(int argc, char *argv[])
     5  {
     6  	const char *dev_name = "/dev/kmsg";
     7  
     8  	if (argc > 1)
     9  		dev_name = argv[1];
    10  
    11  	if (access(dev_name, F_OK) < 0) {
    12  		perror(dev_name);
    13  		return 1;
    14  	}
    15  
    16  	return 0;
    17  }