From c173df46a0a12fe52fdf13323f967e9117462096 Mon Sep 17 00:00:00 2001 From: Miquel Sabaté Solà Date: Mon, 12 Aug 2024 08:24:44 +0200 Subject: Initial commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Mainly with the code I took from @popovicu's blog. Signed-off-by: Miquel Sabaté Solà --- init/shell.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 init/shell.c (limited to 'init/shell.c') diff --git a/init/shell.c b/init/shell.c new file mode 100644 index 0000000..d44b1c7 --- /dev/null +++ b/init/shell.c @@ -0,0 +1,32 @@ +#include +#include + +int main(int argc, char *argv[]) +{ + pid_t pid = fork(); + + if (pid == -1) { + printf("Unable to fork!"); + return -1; + } + + if (pid == 0) { + // This is a child process. + int status = execl("/little_shell", "irrelevant", NULL); + + if (status == -1) { + printf("Forked process cannot start the little_shell"); + return -2; + } + } + + int count = 1; + + while (1) { + printf("Hello from the original init! %d\n", count); + count++; + sleep(10); + } + + return 0; +} -- cgit v1.2.3