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(select_wrapper): Add wrapper around select to work around

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"incomplete backtrace" bug in gdb 5.3, when emacs is stopped inside
select called from wait_reading_process_output.
This commit is contained in:
Kim F. Storm 2006-05-31 08:58:02 +00:00
parent 360feccaf4
commit e1e541bdf1
1 changed files with 19 additions and 0 deletions
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19
src/process.c
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@ -4135,6 +4135,25 @@ wait_reading_process_output_1 ()
{
}
/* Use a wrapper around select to work around a bug in gdb 5.3.
Normally, the wrapper is optimzed away by inlining.
If emacs is stopped inside select, the gdb backtrace doesn't
show the function which called select, so it is practically
impossible to step through wait_reading_process_output. */
#ifndef select
static INLINE int
select_wrapper (n, rfd, wfd, xfd, tmo)
int n;
SELECT_TYPE *rfd, *wfd, *xfd;
EMACS_TIME *tmo;
{
return select (n, rfd, wfd, xfd, tmo);
}
#define select select_wrapper
#endif
/* Read and dispose of subprocess output while waiting for timeout to
elapse and/or keyboard input to be available.