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Commit 6d951c2c authored by Elliott Hughes's avatar Elliott Hughes Committed by Gerrit Code Review
Browse files

Merge "Remove execonce."

parents 3a4aedfc e2837a91

init/builtins.cpp

+0 −62
Original line number Diff line number Diff line
@@ -154,68 +154,6 @@ int do_exec(int nargs, char** args) { 
    return 0;

}



// TODO: remove execonce when exec is available.

int do_execonce(int nargs, char **args)

{

    pid_t child;

    int child_status = 0;

    static int already_done;



    if (already_done) {

      return -1;

    }

    already_done = 1;

    if (!(child = fork())) {

        /*

         * Child process.

         */

        zap_stdio();

        char *exec_args[100];

        size_t num_process_args = nargs;



        memset(exec_args, 0, sizeof(exec_args));

        if (num_process_args > ARRAY_SIZE(exec_args) - 1) {

            ERROR("exec called with %zu args, limit is %zu", num_process_args,

                  ARRAY_SIZE(exec_args) - 1);

            _exit(1);

        }

        for (size_t i = 1; i < num_process_args; i++)

            exec_args[i - 1] = args[i];



        if (execv(exec_args[0], exec_args) == -1) {

            ERROR("Failed to execv '%s' (%s)", exec_args[0], strerror(errno));

            _exit(1);

        }

        ERROR("Returned from execv()!");

        _exit(1);

    }



    /*

     * Parent process.

     */

    if (child == -1) {

        ERROR("Fork failed\n");

        return -1;

    }



    if (TEMP_FAILURE_RETRY(waitpid(child, &child_status, 0)) == -1) {

        ERROR("waitpid(): failed (%s)\n", strerror(errno));

        return -1;

    }



    if (WIFSIGNALED(child_status)) {

        INFO("Child exited due to signal %d\n", WTERMSIG(child_status));

        return -1;

    } else if (WIFEXITED(child_status)) {

        INFO("Child exited normally (exit code %d)\n", WEXITSTATUS(child_status));

        return WEXITSTATUS(child_status);

    }



    ERROR("Abnormal child process exit\n");



    return -1;

}



int do_export(int nargs, char **args)

{

    return add_environment(args[1], args[2]);

init/init_parser.cpp

+0 −1
Original line number Diff line number Diff line
@@ -138,7 +138,6 @@ static int lookup_keyword(const char *s) 
    case 'e':

        if (!strcmp(s, "nable")) return K_enable;

        if (!strcmp(s, "xec")) return K_exec;

        if (!strcmp(s, "xeconce")) return K_execonce;

        if (!strcmp(s, "xport")) return K_export;

        break;

    case 'g':

init/keywords.h

+0 −2
Original line number Diff line number Diff line
@@ -6,7 +6,6 @@ int do_class_reset(int nargs, char **args); 
int do_domainname(int nargs, char **args);

int do_enable(int nargs, char **args);

int do_exec(int nargs, char **args);

int do_execonce(int nargs, char **args);

int do_export(int nargs, char **args);

int do_hostname(int nargs, char **args);

int do_ifup(int nargs, char **args);
@@ -55,7 +54,6 @@ enum { 
    KEYWORD(domainname,  COMMAND, 1, do_domainname)

    KEYWORD(enable,      COMMAND, 1, do_enable)

    KEYWORD(exec,        COMMAND, 1, do_exec)

    KEYWORD(execonce,    COMMAND, 1, do_execonce)

    KEYWORD(export,      COMMAND, 2, do_export)

    KEYWORD(group,       OPTION,  0, 0)

    KEYWORD(hostname,    COMMAND, 1, do_hostname)

init/readme.txt

+0 −4
Original line number Diff line number Diff line
@@ -182,10 +182,6 @@ exec [ <seclabel> [ <user> [ <group> ]* ] ] -- <command> [ <argument> ]* 
   groups can be provided. No other commands will be run until this one

   finishes.



execonce <path> [ <argument> ]*

   Use exec instead. This command will be removed after existing callers have

   moved to exec.



export <name> <value>

   Set the environment variable <name> equal to <value> in the

   global environment (which will be inherited by all processes