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