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testsuite: refactor spawn and wait for attach

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Several places in the testsuite have a copy of a snippet of code that
spawns a test program, waits a bit, and then does some PID munging for
Cygwin.  This is in order to have GDB attach to the spawned program.

This refactors all that to a common procedure.

(multi-attach.exp wants to spawn multiple processes, so this makes the
new procedure's interface work with lists.)

Tested on x86_64 Fedora 20.

gdb/testsuite/ChangeLog:
2014-09-11  Pedro Alves  <palves@redhat.com>

	* lib/gdb.exp (spawn_wait_for_attach): New procedure.
	* gdb.base/attach.exp (do_attach_tests, do_call_attach_tests)
	(do_command_attach_tests): Use spawn_wait_for_attach.
	* gdb.base/solib-overlap.exp: Likewise.
	* gdb.multi/multi-attach.exp: Likewise.
	* gdb.python/py-prompt.exp: Likewise.
	* gdb.python/py-sync-interp.exp: Likewise.
	* gdb.server/ext-attach.exp: Likewise.
This commit is contained in:
Pedro Alves
2014-09-11 13:04:14 +01:00
parent bd9269f70c
commit 4c92ff2c35
8 changed files with 48 additions and 83 deletions
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10
gdb/testsuite/gdb.python/py-sync-interp.exp
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@ -41,15 +41,7 @@ if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
return -1
}
# Start the program running and then wait for a bit, to be sure
# that it can be attached to.
set testpid [eval exec $binfile &]
exec sleep 2
if { [istarget "*-*-cygwin*"] } {
# testpid is the Cygwin PID, GDB uses the Windows PID, which might be
# different due to the way fork/exec works.
set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
}
set testpid [spawn_wait_for_attach $binfile]
# Test command 'where' is executed when command 'attach' is done, otherwise
# function 'sleep' may not show up in backtrace.