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ipc: make sure --input-file=/dev/stdin always works

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It's not necessarily available on Unix systems other than Linux (sigh).
This commit is contained in:
wm4 2014-11-07 09:50:29 +01:00
parent 97b4b4c8e0
commit c920a3920e
1 changed files with 20 additions and 7 deletions
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27
input/ipc.c
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@ -58,6 +58,7 @@ struct client_arg {
char *client_name;
int client_fd;
bool close_client_fd;
bool writable;
@ -616,7 +617,8 @@ static void *client_thread(void *p)
done:
talloc_free(client_msg.start);
close(arg->client_fd);
if (arg->close_client_fd)
close(arg->client_fd);
mpv_detach_destroy(arg->client);
talloc_free(arg);
return NULL;
@ -630,7 +632,8 @@ static void ipc_start_client(struct mp_ipc_ctx *ctx, struct client_arg *client)
pthread_t client_thr;
if (pthread_create(&client_thr, NULL, client_thread, client)) {
mpv_detach_destroy(client->client);
close(client->client_fd);
if (client->close_client_fd)
close(client->client_fd);
talloc_free(client);
}
}
@ -641,6 +644,7 @@ static void ipc_start_client_json(struct mp_ipc_ctx *ctx, int id, int fd)
*client = (struct client_arg){
.client_name = talloc_asprintf(client, "ipc-%d", id),
.client_fd = fd,
.close_client_fd = true,
.writable = true,
};
@ -651,11 +655,19 @@ static void ipc_start_client_json(struct mp_ipc_ctx *ctx, int id, int fd)
static void ipc_start_client_text(struct mp_ipc_ctx *ctx, const char *path)
{
int mode = O_RDONLY;
// Use RDWR for FIFOs to ensure they stay open over multiple accesses.
struct stat st;
if (stat(path, &st) == 0 && S_ISFIFO(st.st_mode))
mode = O_RDWR;
int client_fd = open(path, mode);
int client_fd = -1;
bool close_client_fd = true;
if (strcmp(path, "/dev/stdin") == 0) { // for symmetry with Linux
client_fd = STDIN_FILENO;
close_client_fd = false;
} else {
// Use RDWR for FIFOs to ensure they stay open over multiple accesses.
struct stat st;
if (stat(path, &st) == 0 && S_ISFIFO(st.st_mode))
mode = O_RDWR;
client_fd = open(path, mode);
}
if (client_fd < 0) {
MP_ERR(ctx, "Could not open pipe at '%s'\n", path);
return;
@ -665,6 +677,7 @@ static void ipc_start_client_text(struct mp_ipc_ctx *ctx, const char *path)
*client = (struct client_arg){
.client_name = "input-file",
.client_fd = client_fd,
.close_client_fd = close_client_fd,
.writable = false,
};