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authorMartin Hunt <hunt@redhat.com>2001-12-04 21:44:37 +0000
committerMartin Hunt <hunt@redhat.com>2001-12-04 21:44:37 +0000
commit63b5bc2fef8801f01fd14786f7893d86fa5e92ee (patch)
tree9693671d2c297b85ac196d70216a7586f2b046d1 /gdb
parentca9efc9063b7e94b26582c5b8d6c0c688d9678b6 (diff)
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Add note to serial_open.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/serial.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/serial.h b/gdb/serial.h
index a0dbe72..97d68f3 100644
--- a/gdb/serial.h
+++ b/gdb/serial.h
@@ -32,7 +32,10 @@ typedef void *serial_ttystate;
struct serial;
/* Try to open NAME. Returns a new `struct serial *' on success, NULL
- on failure. */
+ on failure. Note that some open calls can block and, if possible,
+ should be written to be non-blocking, with calls to ui_look_hook
+ so they can be cancelled. An async interface for open could be
+ added to GDB if necessary. */
extern struct serial *serial_open (const char *name);