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misc/ios: extra stdout check before run 

On one recent job I saw an unexpected SIGSTOP, which I suspect is
simply the job timeout. But the lack of other diagnostics suggests
lldb just didn't see the "run" command.

-----

process handle SIGHUP  --stop false --pass true --notify false
process handle SIGPIPE --stop false --pass true --notify false
process handle SIGUSR1 --stop false --pass true --notify false
process handle SIGSEGV --stop false --pass true --notify false
process handle SIGBUS  --stop false --pass true --notify false
breakpoint set -n getwd
run
(lldb) NAME        PASS   STOP   NOTIFY
==========  =====  =====  ======
SIGHUP      true   false  false
(lldb) NAME        PASS   STOP   NOTIFY
==========  =====  =====  ======
SIGPIPE     true   false  false
(lldb) NAME        PASS   STOP   NOTIFY
==========  =====  =====  ======
SIGUSR1     true   false  false
(lldb) NAME        PASS   STOP   NOTIFY
==========  =====  =====  ======
SIGSEGV     true   false  false
(lldb) NAME        PASS   STOP   NOTIFY
==========  =====  =====  ======
SIGBUS      true   false  false
(lldb) Breakpoint 1: where = libsystem_c.dylib`getwd, address = 0x2f7f7294
(lldb) Process 23755 stopped
* thread #1: tid = 0x104c02, 0x1febb000 dyld`_dyld_start, stop reason = signal SIGSTOP
    frame #0: 0x1febb000 dyld`_dyld_start
dyld`_dyld_start:
-> 0x1febb000:  mov    r8, sp
   0x1febb004:  sub    sp, sp, #0x10
   0x1febb008:  bic    sp, sp, #0x7
   0x1febb00c:  ldr    r3, [pc, #112]            ; _dyld_start + 132
(lldb) go_darwin_arm_exec: timeout (stage br getwd)
FAIL	compress/gzip	359.226s

Change-Id: Ifc2123f5ceaa6d3f9b31bb5cb6e77a2c8ec23818
Reviewed-on: https://go-review.googlesource.com/6613
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
This commit is contained in:
David Crawshaw 2015-03-03 14:18:56 -05:00
parent 5cc6bfe234
commit 1fdeb6b58a
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
misc/ios/go_darwin_arm_exec.go
View File

@ -179,8 +179,15 @@ func run(bin string, args []string) error {
do(`process handle SIGUSR1 --stop false --pass true --notify false`)
do(`process handle SIGSEGV --stop false --pass true --notify false`) // does not work
do(`process handle SIGBUS --stop false --pass true --notify false`) // does not work
if err := waitFor("handlers set", "(lldb)"); err != nil {
return err
}
do(`breakpoint set -n getwd`) // in runtime/cgo/gcc_darwin_arm.go
if err := waitFor("breakpoint set", "(lldb)"); err != nil {
return err
}
do(`run`)
if err := waitFor("br getwd", "stop reason = breakpoint"); err != nil {
return err