Add ErrorFSigSafe() alternative to ErrorF()

ErrorF() is not signal safe. Use ErrorSigSafe() whenever an error
message may be logged in signal context.

[whot: edited to "ErrorFSigSafe"]

Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 16 insertions, 0 deletions

diff --git a/os/log.c b/os/log.c
index f1a6e3bcd..47ba34876 100644
--- a/os/log.c
+++ b/os/log.c
@@ -780,6 +780,22 @@ ErrorF(const char *f, ...)
 }
 
 void
+VErrorFSigSafe(const char *f, va_list args)
+{
+    LogVMessageVerbSigSafe(X_ERROR, -1, f, args);
+}
+
+void
+ErrorFSigSafe(const char *f, ...)
+{
+    va_list args;
+
+    va_start(args, f);
+    VErrorFSigSafe(f, args);
+    va_end(args);
+}
+
+void
 LogPrintMarkers(void)
 {
     /* Show what the message marker symbols mean. */