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46fef0c Mar 30, 2018
@tianon @chanezon @ncopa @surfkansas
47 lines (40 sloc) 1.33 KB
//#include <unistd.h>
#include <sys/syscall.h>
#ifndef DOCKER_IMAGE
#define DOCKER_IMAGE "hello-world"
#endif
#ifndef DOCKER_GREETING
#define DOCKER_GREETING "Hello from Docker!"
#endif
#ifndef DOCKER_ARCH
#define DOCKER_ARCH "amd64"
#endif
const char message[] =
"\n"
DOCKER_GREETING "\n"
"This message shows that your installation appears to be working correctly.\n"
"\n"
"To generate this message, Docker took the following steps:\n"
" 1. The Docker client contacted the Docker daemon.\n"
" 2. The Docker daemon pulled the \"" DOCKER_IMAGE "\" image from the Docker Hub.\n"
" (" DOCKER_ARCH ")\n"
" 3. The Docker daemon created a new container from that image which runs the\n"
" executable that produces the output you are currently reading.\n"
" 4. The Docker daemon streamed that output to the Docker client, which sent it\n"
" to your terminal.\n"
"\n"
"To try something more ambitious, you can run an Ubuntu container with:\n"
" $ docker run -it ubuntu bash\n"
"\n"
"Share images, automate workflows, and more with a free Docker ID:\n"
" https://hub.docker.com/\n"
"\n"
"For more examples and ideas, visit:\n"
" https://docs.docker.com/engine/userguide/\n"
"\n";
void _start() {
//write(1, message, sizeof(message) - 1);
syscall(SYS_write, 1, message, sizeof(message) - 1);
//_exit(0);
syscall(SYS_exit, 0);
}