diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2015-06-10 18:37:02 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-06-10 19:28:17 +0200 |
| commit | 71c88f6a1d37e51f085fc8eeb71b0033602029a3 (patch) | |
| tree | ef6e5b4379b7ce0dbef56833dff3a01270fe9519 /call | |
| parent | 03f6d2aaec860d89e3d6280fa31dd03ed6a8f435 (diff) | |
call: Harden against compiler overoptimization.
A compiler won't know that the interrupted variable can be changed behind
its back in a signal handler so it might do clever overoptimizations.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'call')
| -rw-r--r-- | call/call.c | 2 | ||||
| -rw-r--r-- | call/call.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/call/call.c b/call/call.c index f7a7770..2f606bd 100644 --- a/call/call.c +++ b/call/call.c @@ -79,7 +79,7 @@ static char *mycall; static int stdin_is_tty = 1; -int interrupted = FALSE; +volatile int interrupted = FALSE; int paclen; int fd; diff --git a/call/call.h b/call/call.h index b7723d7..2a91364 100644 --- a/call/call.h +++ b/call/call.h @@ -5,7 +5,7 @@ #define TRUE 1 #endif extern int fd; -extern int interrupted; +extern volatile int interrupted; extern int paclen; /* In call.c */ |