diff options
Diffstat (limited to 'testsuite/systemtap.samples/system_func.stp')
-rw-r--r-- | testsuite/systemtap.samples/system_func.stp | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/testsuite/systemtap.samples/system_func.stp b/testsuite/systemtap.samples/system_func.stp index 60d9a723..0b074514 100644 --- a/testsuite/systemtap.samples/system_func.stp +++ b/testsuite/systemtap.samples/system_func.stp @@ -2,20 +2,27 @@ # test the system() function +global saw_echo + probe kernel.function("sys_open") { - # very inefficient. Testing only. DO NOT DO THIS - msg="echo sys_open" - system(msg) + if (!saw_echo) { + # very inefficient. Testing only. DO NOT DO THIS + msg="echo sys_open" + system(msg) + saw_echo = 1 + } +} + +probe timer.ms(100) { + # should fail + system("cat __xyzzy123ABC__") } +probe timer.ms(110) { exit() } + probe begin { # should succeed system("whoami") - - # should fail - system("cat __xyzzy123ABC__") - - exit() } probe end { |