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Commit 31e0d0c8 authored by Emilio López's avatar Emilio López Committed by Steve Kondik
Browse files

init: Implement exec support 

Code copied from CM7 implementation by Steve Kondik

Change-Id: Ie8f11e9dc9e552aa7a4fe354995daaf8f0d99a11
parent 52afebc5

init/builtins.c

+35 −1
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/kd.h>

#include <errno.h>

#include <sys/socket.h>

#include <sys/wait.h>

#include <netinet/in.h>

#include <linux/if.h>

#include <arpa/inet.h>
@@ -237,10 +238,43 @@ int do_domainname(int nargs, char **args) 
    return write_file("/proc/sys/kernel/domainname", args[1]);

}



/*exec <path> <arg1> <arg2> ... */

#define MAX_PARAMETERS 64

int do_exec(int nargs, char **args)

{

    pid_t pid;

    int status, i, j;

    char *par[MAX_PARAMETERS];

    if (nargs > MAX_PARAMETERS)

    {

        return -1;

    }

    for(i=0, j=1; i<(nargs-1) ;i++,j++)

    {

        par[i] = args[j];

    }

    par[i] = (char*)0;

    pid = fork();

    if (!pid)

    {

        char tmp[32];

        int fd, sz;

        get_property_workspace(&fd, &sz);

        sprintf(tmp, "%d,%d", dup(fd), sz);

        setenv("ANDROID_PROPERTY_WORKSPACE", tmp, 1);

        execve(par[0],par,environ);

        exit(0);

    }

    else

    {

        waitpid(pid, &status, 0);

        if (WEXITSTATUS(status) != 0) {

            ERROR("exec: pid %1d exited with return code %d: %s", (int)pid, WEXITSTATUS(status), strerror(status));

        }



    }

    return 0;

}



int do_export(int nargs, char **args)

{