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Avoid calling DBG_LOG during signal handling

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This commit is contained in:
Tim Wojtulewicz 2022-06-26 13:04:08 -07:00
parent d06387d4d3
commit f50777cdab
1 changed files with 7 additions and 1 deletions
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6
src/iosource/Manager.cc
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@ -24,6 +24,8 @@
#define DEFAULT_PREFIX "pcap" #define DEFAULT_PREFIX "pcap"
extern int signal_val;
namespace zeek::iosource namespace zeek::iosource
{ {
@ -45,7 +47,11 @@ void Manager::WakeupHandler::Process()
void Manager::WakeupHandler::Ping(std::string_view where) void Manager::WakeupHandler::Ping(std::string_view where)
{ {
// Calling DBG_LOG calls fprintf, which isn't safe to call in a signal
// handler.
if ( signal_val != 0 )
DBG_LOG(DBG_MAINLOOP, "Pinging WakeupHandler from %s", where.data()); DBG_LOG(DBG_MAINLOOP, "Pinging WakeupHandler from %s", where.data());
flare.Fire(true); flare.Fire(true);
} }