subprocess: move implementation for deatched subprocesses

old-makefile

@@ -196,6 +196,7 @@ SOURCES = audio/audio.c \
           options/path.c \
           osdep/io.c \
           osdep/semaphore_osx.c \
+          osdep/subprocess.c \
           osdep/subprocess-posix.c \
           osdep/terminal-unix.c \
           osdep/timer.c \

osdep/subprocess.c

@@ -0,0 +1,57 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <pthread.h>
+
+#include "common/common.h"
+#include "common/msg.h"
+#include "common/msg_control.h"
+
+#include "subprocess.h"
+
+struct subprocess_args {
+    struct mp_log *log;
+    char **args;
+};
+
+static void *run_subprocess(void *ptr)
+{
+    struct subprocess_args *p = ptr;
+    pthread_detach(pthread_self());
+
+    mp_msg_flush_status_line(p->log);
+
+    char *err = NULL;
+    if (mp_subprocess(p->args, NULL, NULL, NULL, NULL, &err) < 0)
+        mp_err(p->log, "Running subprocess failed: %s\n", err);
+
+    talloc_free(p);
+    return NULL;
+}
+
+void mp_subprocess_detached(struct mp_log *log, char **args)
+{
+    struct subprocess_args *p = talloc_zero(NULL, struct subprocess_args);
+    p->log = mp_log_new(p, log, NULL);
+    int num_args = 0;
+    for (int n = 0; args[n]; n++)
+        MP_TARRAY_APPEND(p, p->args, num_args, talloc_strdup(p, args[n]));
+    MP_TARRAY_APPEND(p, p->args, num_args, NULL);
+    pthread_t thread;
+    if (pthread_create(&thread, NULL, run_subprocess, p))
+        talloc_free(p);
+}

osdep/subprocess.h

@@ -29,4 +29,7 @@ int mp_subprocess(char **args, struct mp_cancel *cancel, void *ctx,
                   subprocess_read_cb on_stdout, subprocess_read_cb on_stderr,
                   char **error);
 
+struct mp_log;
+void mp_subprocess_detached(struct mp_log *log, char **args);
+
 #endif

player/command.c

@@ -3960,39 +3960,6 @@ static void overlay_uninit(struct MPContext *mpctx)
     osd_set_external2(mpctx->osd, NULL);
 }
 
-struct subprocess_args {
-    struct mp_log *log;
-    char **args;
-};
-
-static void *run_subprocess(void *ptr)
-{
-    struct subprocess_args *p = ptr;
-    pthread_detach(pthread_self());
-
-    mp_msg_flush_status_line(p->log);
-
-    char *err = NULL;
-    if (mp_subprocess(p->args, NULL, NULL, NULL, NULL, &err) < 0)
-        mp_err(p->log, "Running subprocess failed: %s\n", err);
-
-    talloc_free(p);
-    return NULL;
-}
-
-static void subprocess_detached(struct mp_log *log, char **args)
-{
-    struct subprocess_args *p = talloc_zero(NULL, struct subprocess_args);
-    p->log = mp_log_new(p, log, NULL);
-    int num_args = 0;
-    for (int n = 0; args[n]; n++)
-        MP_TARRAY_APPEND(p, p->args, num_args, talloc_strdup(p, args[n]));
-    MP_TARRAY_APPEND(p, p->args, num_args, NULL);
-    pthread_t thread;
-    if (pthread_create(&thread, NULL, run_subprocess, p))
-        talloc_free(p);
-}
-
 struct cycle_counter {
     char **args;
     int counter;
@@ -4599,7 +4566,7 @@ int run_command(MPContext *mpctx, mp_cmd_t *cmd)
         char *args[MP_CMD_MAX_ARGS + 1] = {0};
         for (int n = 0; n < cmd->nargs; n++)
             args[n] = cmd->args[n].v.s;
-        subprocess_detached(mpctx->log, args);
+        mp_subprocess_detached(mpctx->log, args);
         break;
     }
 

wscript_build.py

@@ -375,6 +375,7 @@ def build(ctx):
         ( "osdep/macosx_application.m",          "cocoa-application" ),
         ( "osdep/macosx_events.m",               "cocoa" ),
         ( "osdep/semaphore_osx.c" ),
+        ( "osdep/subprocess.c" ),
         ( "osdep/subprocess-posix.c",            "posix-spawn" ),
         ( "osdep/subprocess-win.c",              "os-win32" ),
         ( "osdep/path-macosx.m",                 "cocoa" ),