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import gdb-1999-10-04 snapshot

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This commit is contained in:
Jason Molenda
1999-10-05 23:13:56 +00:00
parent 3e9c42873e
commit 2acceee218
112 changed files with 2316 additions and 855 deletions
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42
gdb/serial.h
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@ -55,12 +55,17 @@ extern void serial_un_fdopen (serial_t scb);
/* Read one char from the serial device with TIMEOUT seconds to wait
or -1 to wait forever. Use timeout of 0 to effect a poll. Returns
char if ok, else one of the following codes. Note that all error
codes are guaranteed to be < 0. */
unsigned char if ok, else one of the following codes. Note that
all error return-codes are guaranteed to be < 0. */
#define SERIAL_ERROR -1 /* General error, see errno for details */
#define SERIAL_TIMEOUT -2
#define SERIAL_EOF -3
enum serial_rc {
SERIAL_ERROR = -1, /* General error. */
SERIAL_TIMEOUT = -2, /* Timeout during read. ui_loop_hook() can,
unfortunatly, force this to be returned. */
SERIAL_EOF = -3 /* General end-of-file or remote target
connection closed, indication. Includes
things like the line dropping dead. */
};
extern int serial_readchar (serial_t scb, int timeout);
#define SERIAL_READCHAR(SERIAL_T, TIMEOUT) serial_readchar ((SERIAL_T), (TIMEOUT))
@ -165,7 +170,7 @@ extern int serial_is_async_p (serial_t scb);
asynchronous mode. To disable asynchronous mode, register a NULL
callback. */
typedef void (serial_event_ftype) (int error, void *context, int fd);
typedef void (serial_event_ftype) (serial_t scb, void *context);
extern void serial_async (serial_t scb, serial_event_ftype *handler, void *context);
#define SERIAL_ASYNC(SERIAL_T, HANDLER, CONTEXT) serial_async ((SERIAL_T), (HANDLER), (CONTEXT))
@ -177,6 +182,17 @@ extern void serial_async (serial_t scb, serial_event_ftype *handler, void *conte
extern int deprecated_serial_fd (serial_t scb);
#define DEPRECATED_SERIAL_FD(SERIAL_T) deprecated_serial_fd ((SERIAL_T))
/* Trace/debug mechanism.
SERIAL_DEBUG() enables/disables internal debugging.
SERIAL_DEBUG_P() indicates the current debug state. */
extern void serial_debug (serial_t scb, int debug_p);
#define SERIAL_DEBUG(SERIAL_T, DEBUG_P) serial_debug ((SERIAL_T), (DEBUG_P))
extern int serial_debug_p (serial_t scb);
#define SERIAL_DEBUG_P(SERIAL_T) serial_debug_p ((SERIAL_T))
/* Details of an instance of a serial object */
@ -186,16 +202,20 @@ struct _serial_t
struct serial_ops *ops; /* Function vector */
void *state; /* Local context info for open FD */
serial_ttystate ttystate; /* Not used (yet) */
int bufcnt; /* Amount of data in receive buffer */
int bufcnt; /* Amount of data remaining in receive
buffer. -ve for sticky errors. */
unsigned char *bufp; /* Current byte */
unsigned char buf[BUFSIZ]; /* Da buffer itself */
int current_timeout; /* (termio{s} only), last value of VTIME */
/* ser-unix.c termio{,s} only, we still need to wait for this many more
seconds. */
int timeout_remaining;
int current_timeout; /* (ser-unix.c termio{,s} only), last
value of VTIME */
int timeout_remaining; /* (ser-unix.c termio{,s} only), we
still need to wait for this many
more seconds. */
char *name; /* The name of the device or host */
struct _serial_t *next; /* Pointer to the next serial_t */
int refcnt; /* Number of pointers to this block */
int debug_p; /* Trace this serial devices operation. */
int async_state; /* Async internal state. */
void *async_context; /* Async event thread's context */
serial_event_ftype *async_handler;/* Async event handler */
};