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-rw-r--r--src/libmain/shared.cc16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index 0f7a89814..d9cf9a862 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -143,23 +143,29 @@ static void initAndRun(int argc, char * * argv)
maxSilentTime = queryIntSetting("build-max-silent-time", 0);
/* Catch SIGINT. */
- struct sigaction act, oact;
+ struct sigaction act;
act.sa_handler = sigintHandler;
sigfillset(&act.sa_mask);
act.sa_flags = 0;
- if (sigaction(SIGINT, &act, &oact))
+ if (sigaction(SIGINT, &act, 0))
throw SysError("installing handler for SIGINT");
- if (sigaction(SIGTERM, &act, &oact))
+ if (sigaction(SIGTERM, &act, 0))
throw SysError("installing handler for SIGTERM");
- if (sigaction(SIGHUP, &act, &oact))
+ if (sigaction(SIGHUP, &act, 0))
throw SysError("installing handler for SIGHUP");
/* Ignore SIGPIPE. */
act.sa_handler = SIG_IGN;
act.sa_flags = 0;
- if (sigaction(SIGPIPE, &act, &oact))
+ if (sigaction(SIGPIPE, &act, 0))
throw SysError("ignoring SIGPIPE");
+ /* Reset SIGCHLD to its default. */
+ act.sa_handler = SIG_DFL;
+ act.sa_flags = 0;
+ if (sigaction(SIGCHLD, &act, 0))
+ throw SysError("resetting SIGCHLD");
+
/* There is no privacy in the Nix system ;-) At least not for
now. In particular, store objects should be readable by
everybody. This prevents nasty surprises when using a shared