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/*
* posix-spawn replacement for Android
*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <unistd.h>
#include <errno.h>
#include "osdep/android/posix-spawn.h"
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int fd, int newfd)
{
if (fa->used >= MAX_FILE_ACTIONS)
return -1;
fa->action[fa->used].filedes = fd;
fa->action[fa->used].newfiledes = newfd;
fa->used++;
return 0;
}
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *fa)
{
fa->used = 0;
return 0;
}
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *fa)
{
return 0;
}
int posix_spawnp(pid_t *pid, const char *file,
const posix_spawn_file_actions_t *fa,
const posix_spawnattr_t *attrp,
char *const argv[], char *const envp[])
{
pid_t p;
if (attrp != NULL)
return EINVAL;
p = fork();
if (p == -1)
return errno;
if (p == 0) {
for (int i = 0; i < fa->used; i++) {
int err = dup2(fa->action[i].filedes, fa->action[i].newfiledes);
if (err == -1)
goto fail;
}
execvpe(file, argv, envp);
fail:
_exit(127);
}
*pid = p;
return 0;
}
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