diff options
| author | Mattias Andrée <maandree@operamail.com> | 2015-08-23 03:30:46 +0200 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2015-08-23 03:30:46 +0200 |
| commit | 3d652087604ca1c6a66d9fa319645aeec1cf1b7b (patch) | |
| tree | 0c54c322b6f053bdb4e898b6683c8190922f3539 /src/libmdsserver | |
| parent | m + colour on selected items in lists and tables (diff) | |
| download | mds-3d652087604ca1c6a66d9fa319645aeec1cf1b7b.tar.gz mds-3d652087604ca1c6a66d9fa319645aeec1cf1b7b.tar.bz2 mds-3d652087604ca1c6a66d9fa319645aeec1cf1b7b.tar.xz | |
signal handlers that return should not modify errno
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/libmdsserver')
| -rw-r--r-- | src/libmdsserver/macros.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/libmdsserver/macros.h b/src/libmdsserver/macros.h index 89db22f..f17da94 100644 --- a/src/libmdsserver/macros.h +++ b/src/libmdsserver/macros.h @@ -752,5 +752,22 @@ #endif +/** + * Normal signal handlers should place this macro + * at the top of the function + */ +#define SIGHANDLER_START \ + int sighandler_saved_errno = errno + + +/** + * Normal signal handlers should place this macro + * at the bottom of the function, or just before + * any `return` + */ +#define SIGHANDLER_END \ + (errno = sighandler_saved_errno) + + #endif |