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authorsfan5 <sfan5@live.de>2017-08-03 22:50:10 +0200
committerwm4 <wm4@nowhere>2017-09-22 09:24:19 +0200
commitacfd1a1929e9086f7a6bc3d2c05453a64be45f9a (patch)
tree77451a011158b5b9ed7d8abdba359ddc3f78f02f /osdep/android
parentc09760d9489cec6d5b90db178227f0ed5c4018d7 (diff)
downloadmpv-acfd1a1929e9086f7a6bc3d2c05453a64be45f9a.tar.bz2
mpv-acfd1a1929e9086f7a6bc3d2c05453a64be45f9a.tar.xz
android: posix_spawn(p) replacement
Signed-off-by: wm4 <wm4@nowhere>
Diffstat (limited to 'osdep/android')
-rw-r--r--osdep/android/posix-spawn.c72
-rw-r--r--osdep/android/posix-spawn.h43
2 files changed, 115 insertions, 0 deletions
diff --git a/osdep/android/posix-spawn.c b/osdep/android/posix-spawn.c
new file mode 100644
index 0000000000..a9bb27a8d1
--- /dev/null
+++ b/osdep/android/posix-spawn.c
@@ -0,0 +1,72 @@
+/*
+ * 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;
+}
diff --git a/osdep/android/posix-spawn.h b/osdep/android/posix-spawn.h
new file mode 100644
index 0000000000..d995b993ec
--- /dev/null
+++ b/osdep/android/posix-spawn.h
@@ -0,0 +1,43 @@
+/*
+ * 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/>.
+ */
+
+#pragma once
+
+#include <sys/types.h>
+
+#define MAX_FILE_ACTIONS 4
+
+typedef struct {
+ char dummy;
+} posix_spawnattr_t; /* unsupported */
+
+typedef struct {
+ int used;
+ struct {
+ int filedes, newfiledes;
+ } action[MAX_FILE_ACTIONS];
+} posix_spawn_file_actions_t;
+
+int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t*, int, int);
+int posix_spawn_file_actions_init(posix_spawn_file_actions_t*);
+int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t*);
+
+int posix_spawnp(pid_t*, const char*,
+ const posix_spawn_file_actions_t*, const posix_spawnattr_t *,
+ char *const [], char *const []);