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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>
This commit is contained in:
Chase Douglas 2012-06-05 15:39:41 +10:00 committed by Keith Packard
parent 164b38c72f
commit ac20815d52
2 changed files with 22 additions and 0 deletions
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6
include/os.h
View File

@ -656,6 +656,12 @@ extern _X_EXPORT void
ErrorF(const char *f, ...)
_X_ATTRIBUTE_PRINTF(1, 2);
extern _X_EXPORT void
VErrorFSigSafe(const char *f, va_list args)
_X_ATTRIBUTE_PRINTF(1, 0);
extern _X_EXPORT void
ErrorFSigSafe(const char *f, ...)
_X_ATTRIBUTE_PRINTF(1, 2);
extern _X_EXPORT void
LogPrintMarkers(void);
extern _X_EXPORT void

16
os/log.c
View File

@ -779,6 +779,22 @@ ErrorF(const char *f, ...)
va_end(args);
}
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)
{