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Line 36... Line 36...
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#include <task.h>
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#include <task.h>
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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#include <ipc/loader.h>
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#include <ipc/loader.h>
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#include <libc.h>
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#include <libc.h>
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#include <string.h>
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#include <string.h>
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#include <stdlib.h>
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#include <async.h>
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#include <async.h>
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#include <errno.h>
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#include <errno.h>
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 44 
 
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task_id_t task_get_id(void)
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task_id_t task_get_id(void)
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{
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{
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        return rc;
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        return rc;
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    return phone_id;
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    return phone_id;
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}
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}
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 64 
 
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static int loader_set_args(int phone_id, const char *argv[])
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{
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    aid_t req;
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    ipc_call_t answer;
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    int rc;
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    const char **ap;
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    char *dp;
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    char *arg_buf;
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    size_t buffer_size;
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    size_t len;
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    /*
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     * Serialize the arguments into a single array. First
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     * compute size of the buffer needed.
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     */
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    ap = argv;
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    buffer_size = 0;
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    while (*ap != NULL) {
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        buffer_size += strlen(*ap) + 1;
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        ++ap;
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    }
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    arg_buf = malloc(buffer_size);
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    if (arg_buf == NULL) return ENOMEM;
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    /* Now fill the buffer with null-terminated argument strings */
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    ap = argv;
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    dp = arg_buf;
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    while (*ap != NULL) {
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        strcpy(dp, *ap);
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        dp += strlen(*ap) + 1;
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        ++ap;
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    }
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    /* Send serialized arguments to the loader */
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    req = async_send_0(phone_id, LOADER_SET_ARGS, &answer);
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    rc = ipc_data_write_start(phone_id, (void *)arg_buf, buffer_size);
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    if (rc != EOK) {
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        async_wait_for(req, NULL);
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        return rc;
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    }
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 109 
 
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    async_wait_for(req, &rc);
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    if (rc != EOK) return rc;
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    /* Free temporary buffer */
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    free(arg_buf);
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- 
 
 116 
    return EOK;
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 117 
}
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 118 
 
64 
/** Create a new task by running an executable from VFS.
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/** Create a new task by running an executable from VFS.
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 *
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 *
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 * @param path  pathname of the binary to execute
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 * @param path  pathname of the binary to execute
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 * @param argv  command-line arguments
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 * @param argv  command-line arguments
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 * @return  ID of the newly created task or zero on error.
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 * @return  ID of the newly created task or zero on error.
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        async_wait_for(req, NULL);
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        async_wait_for(req, NULL);
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        return 1;
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        return 1;
94 
    }
 149 
    }
95 
 
 150 
 
96 
    async_wait_for(req, &rc);
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    async_wait_for(req, &rc);
97 
    if (rc != EOK) return 0;
 152 
    if (rc != EOK) goto error;
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 153 
 
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    /* Send arguments */
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    rc = loader_set_args(phone_id, argv);
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 156 
    if (rc != EOK) goto error;
98 
 
 157 
 
99 
    /* Request loader to start the program */  
 158 
    /* Request loader to start the program */  
100 
    rc = async_req_0_0(phone_id, LOADER_RUN);
 159 
    rc = async_req_0_0(phone_id, LOADER_RUN);
101 
    if (rc != EOK) return 0;
 160 
    if (rc != EOK) goto error;
102 
 
 161 
 
- 
 
 162 
    /* Success */
103 
    ipc_hangup(phone_id);
 163 
    ipc_hangup(phone_id);
104 
 
 - 
 
105 
    return 1;
 164 
    return 1;
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 165 
 
- 
 
 166 
    /* Error exit */
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 167 
error:
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 168 
    ipc_hangup(phone_id);
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 169 
    return 0;
106 
}
 170 
}
107 
 
 171 
 
108 
int task_spawn(void *image, size_t size)
 172 
int task_spawn(void *image, size_t size)
109 
{
 173 
{
110 
    return __SYSCALL2(SYS_TASK_SPAWN, (sysarg_t) image, (sysarg_t) size);
 174 
    return __SYSCALL2(SYS_TASK_SPAWN, (sysarg_t) image, (sysarg_t) size);