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/*
* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mowgli.h"
typedef struct
{
char *path;
char **argv;
} mowgli_process_execv_req_t;
static void
mowgli_process_cloned_execv(mowgli_process_execv_req_t *execv_req)
{
#ifndef _WIN32
return_if_fail(execv_req != NULL);
return_if_fail(execv_req->path != NULL);
return_if_fail(execv_req->argv != NULL);
/* Do best to set proctitle if below hack don't work */
mowgli_proctitle_set("%s", execv_req->argv[0]);
execv(execv_req->path, execv_req->argv);
mowgli_free(execv_req->argv);
mowgli_free(execv_req->path);
mowgli_free(execv_req);
#else
# warning implement me :(
#endif
}
mowgli_process_t *
mowgli_process_clone(mowgli_process_start_fn_t start_fn, const char *procname, void *userdata)
{
#ifndef _WIN32
mowgli_process_t *out;
return_val_if_fail(start_fn != NULL, NULL);
out = mowgli_alloc(sizeof(mowgli_process_t));
out->userdata = userdata;
out->pid = fork();
switch (out->pid)
{
default:
break;
case 0:
/* Do our best to set this... */
mowgli_proctitle_set("%s", procname);
start_fn(out->userdata);
_exit(255);
return NULL;
break;
case -1:
mowgli_free(out);
return NULL;
break;
}
return out;
#else
# warning implement me :(
return NULL;
#endif
}
mowgli_process_t *
mowgli_process_spawn(const char *path, char *const argv[])
{
size_t i;
mowgli_process_execv_req_t *req;
return_val_if_fail(path != NULL, NULL);
return_val_if_fail(argv != NULL, NULL);
req = mowgli_alloc(sizeof(mowgli_process_execv_req_t));
req->path = mowgli_strdup(path);
for (i = 0; argv[i] != NULL; i++)
;
req->argv = mowgli_alloc_array(sizeof(char *), i + 1);
for (i = 0; argv[i] != NULL; i++)
req->argv[i] = argv[i];
return mowgli_process_clone((mowgli_process_start_fn_t) mowgli_process_cloned_execv, req->argv[0], req);
}
void
mowgli_process_kill(mowgli_process_t *process)
{
#ifndef _WIN32
return_if_fail(process != NULL);
kill(process->pid, SIGKILL);
#else
# warning implement me :(
#endif
}
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