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input: make slave command file descriptors nonblocking 

Neither fd 0 slave input (-slave) nor additional opened fds (-input
file=X) were set to nonblocking mode as they should have been. Fix.
Also rename the horribly generic USE_SELECT #define used for a
specific slave input detail.
This commit is contained in:
Uoti Urpala 2011-05-04 18:51:36 +03:00
parent 0fff1380b1
commit 618f760866
3 changed files with 12 additions and 6 deletions
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4
input/input.c
View File

@ -1838,12 +1838,12 @@ struct input_ctx *mp_input_init(struct input_conf *input_conf)
if (input_conf->in_file) {
struct stat st;
int mode = O_RDONLY;
int mode = O_RDONLY | O_NONBLOCK;
// Use RDWR for FIFOs to ensure they stay open over multiple accesses.
// Note that on Windows stat may fail for named pipes,
// but due to how the API works, using RDONLY should be ok.
if (stat(input_conf->in_file, &st) == 0 && S_ISFIFO(st.st_mode))
mode = O_RDWR;
mode = O_RDWR | O_NONBLOCK;
int in_file_fd = open(input_conf->in_file, mode);
if (in_file_fd >= 0)
mp_input_add_cmd_fd(ictx, in_file_fd, 1, NULL,

10
mplayer.c
View File

@ -4030,8 +4030,14 @@ if(!codecs_file || !parse_codec_cfg(codecs_file)){
current_module = "init_input";
mpctx->input = mp_input_init(&opts->input);
mp_input_add_key_fd(mpctx->input, -1,0,mplayer_get_key,NULL, mpctx->key_fifo);
if(slave_mode)
mp_input_add_cmd_fd(mpctx->input, 0,USE_SELECT,MP_INPUT_SLAVE_CMD_FUNC,NULL);
if(slave_mode) {
#if USE_FD0_CMD_SELECT
int flags = fcntl(0, F_GETFL);
if (flags != -1)
fcntl(0, F_SETFL, flags | O_NONBLOCK);
#endif
mp_input_add_cmd_fd(mpctx->input, 0,USE_FD0_CMD_SELECT,MP_INPUT_SLAVE_CMD_FUNC,NULL);
}
else if (opts->consolecontrols)
mp_input_add_key_fd(mpctx->input, 0, 1, read_keys, NULL, mpctx->key_fifo);
// Set the libstream interrupt callback

4
osdep/getch2.h
View File

@ -61,10 +61,10 @@ char *get_term_charset(void);
#if defined(__MINGW32__) || defined(__OS2__)
/* slave cmd function for Windows and OS/2 */
int mp_input_slave_cmd_func(int fd,char* dest,int size);
#define USE_SELECT 0
#define USE_FD0_CMD_SELECT 0
#define MP_INPUT_SLAVE_CMD_FUNC mp_input_slave_cmd_func
#else
#define USE_SELECT 1
#define USE_FD0_CMD_SELECT 1
#define MP_INPUT_SLAVE_CMD_FUNC NULL
#endif