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authorPedro Alves <palves@redhat.com>2016-04-12 16:49:30 +0100
committerPedro Alves <palves@redhat.com>2016-04-12 16:51:18 +0100
commitd2acc30bb60357815c3965c058965d0f5313f814 (patch)
tree27cb1dbe707e739932e2c7b7e180f7c59ceeeef4 /gdb/python/py-xmethods.c
parentab33ab13aa093778263d554dd0e702814a5a8cbd (diff)
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Don't set immediate_quit in prompt_for_continue
immediate_quit used to be necessary back when prompt_for_continue used blocking fread, but nowadays it uses gdb_readline_wrapper, which is implemented in terms of a nested event loop, which already knows how to react to SIGINT: #0 throw_it (reason=RETURN_QUIT, error=GDB_NO_ERROR, fmt=0x9d6d7e "Quit", ap=0x7fffffffcb88) at .../src/gdb/common/common-exceptions.c:324 #1 0x00000000007bab5d in throw_vquit (fmt=0x9d6d7e "Quit", ap=0x7fffffffcb88) at .../src/gdb/common/common-exceptions.c:366 #2 0x00000000007bac9f in throw_quit (fmt=0x9d6d7e "Quit") at .../src/gdb/common/common-exceptions.c:385 #3 0x0000000000773a2d in quit () at .../src/gdb/utils.c:1039 #4 0x000000000065d81b in async_request_quit (arg=0x0) at .../src/gdb/event-top.c:893 #5 0x000000000065c27b in invoke_async_signal_handlers () at .../src/gdb/event-loop.c:949 #6 0x000000000065aeef in gdb_do_one_event () at .../src/gdb/event-loop.c:280 #7 0x0000000000770838 in gdb_readline_wrapper (prompt=0x7fffffffcd40 "---Type <return> to continue, or q <return> to quit---") at .../src/gdb/top.c:873 The need for the QUIT in stdin_event_handler is then exposed by the gdb.base/double-prompt-target-event-error.exp test, which has: # We're now stopped in a pagination query while handling a # target event (printing where the program stopped). Quitting # the pagination should result in only one prompt being # output. send_gdb "\003p 1\n" Without that change we'd get: Continuing. ---Type <return> to continue, or q <return> to quit---PASS: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: continue to pagination ^CpQuit (gdb) 1 Undefined command: "1". Try "help". (gdb) PASS: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: first prompt ERROR: Undefined command "". UNRESOLVED: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: no double prompt Vs: Continuing. ---Type <return> to continue, or q <return> to quit---PASS: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: continue to pagination ^CQuit (gdb) p 1 $1 = 1 (gdb) PASS: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: first prompt PASS: gdb.base/double-prompt-target-event-error.exp: ctrlc target event: continue: no double prompt gdb/ChangeLog: 2016-04-12 Pedro Alves <palves@redhat.com> * event-top.c (stdin_event_handler): Call QUIT; (prompt_for_continue): Don't run with immediate_quit set.
Diffstat (limited to 'gdb/python/py-xmethods.c')
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