[libvirt] [PATCH 2/5] virutil: Introduce virCrash

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/libvirt_private.syms | 1 + src/util/virutil.c | 32 ++++++++++++++++++++++++++++++++ src/util/virutil.h | 2 ++ 3 files changed, 35 insertions(+) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 684f06c..afd7832 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -2418,6 +2418,7 @@ virUSBDeviceSetUsedBy; # util/virutil.h +virCrash; virDoubleToStr; virEnumFromString; virEnumToString; diff --git a/src/util/virutil.c b/src/util/virutil.c index b401f8d..44e6c9b 100644 --- a/src/util/virutil.c +++ b/src/util/virutil.c @@ -2669,3 +2669,35 @@ virMemoryMaxValue(bool capped) else return LLONG_MAX; } + +static int +virRecursive(void) +{ + virRecursive(); + return 0; +} + +int +virCrash(int mode) +{ + const char *s = "Hello world!"; + char **tmp; + char *n = NULL; + + switch ((virConnectCrashMode) mode) { + case VIR_CONNECT_CRASH_WRITE_RO: + tmp = (char **) &s; + **tmp = 'h'; + break; + + case VIR_CONNECT_CRASH_NULL_DEREF: + *n = 'L'; + break; + + case VIR_CONNECT_CRASH_STACK_OVERFLOW: + virRecursive(); + break; + } + + return 0; +} diff --git a/src/util/virutil.h b/src/util/virutil.h index b121de0..e5997e4 100644 --- a/src/util/virutil.h +++ b/src/util/virutil.h @@ -265,4 +265,6 @@ unsigned long long virMemoryMaxValue(bool ulong); # define VIR_ASSIGN_IS_OVERFLOW(lvalue, rvalue) \ (((lvalue) = (rvalue)) != (rvalue)) +int virCrash(int mode); + #endif /* __VIR_UTIL_H__ */ -- 2.7.3