diff options
Diffstat (limited to 'lib/libc/signal/signal.c')
| -rw-r--r-- | lib/libc/signal/signal.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/libc/signal/signal.c b/lib/libc/signal/signal.c new file mode 100644 index 00000000..c2f578eb --- /dev/null +++ b/lib/libc/signal/signal.c @@ -0,0 +1,14 @@ +#include <signal.h> + +void (*signal(int sig, void (*func)(int)))(int) +{ + struct sigaction act, oact; + + act.sa_handler = func; + act.sa_flags = SA_RESTART; + + if (sigaction(sig, &act, &oact) < 0) + return SIG_ERR; + + return oact.sa_handler; +} |
